text: 
  /**
   * @vue/test-utils v2.0.0-rc.18
   * (c) 2021 Lachlan Miller
   * Released under the MIT License
   */
  
  import * as Vue from 'vue';
  import { transformVNodeArgs, Transition, defineComponent, TransitionGroup, Teleport, h, nextTick, setDevtoolsHook, reactive, createApp } from 'vue';
  
  /*! *****************************************************************************
  Copyright (c) Microsoft Corporation.
  
  Permission to use, copy, modify, and/or distribute this software for any
  purpose with or without fee is hereby granted.
  
  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
  REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
  AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
  INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
  LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
  OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  PERFORMANCE OF THIS SOFTWARE.
  ***************************************************************************** */
  /* global Reflect, Promise */
  
  var extendStatics = function(d, b) {
      extendStatics = Object.setPrototypeOf ||
          ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
          function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
      return extendStatics(d, b);
  };
  
  function __extends(d, b) {
      if (typeof b !== "function" && b !== null)
          throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
      extendStatics(d, b);
      function __() { this.constructor = d; }
      d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
  }
  
  var __assign = function() {
      __assign = Object.assign || function __assign(t) {
          for (var s, i = 1, n = arguments.length; i < n; i++) {
              s = arguments[i];
              for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];
          }
          return t;
      };
      return __assign.apply(this, arguments);
  };
  
  function __awaiter(thisArg, _arguments, P, generator) {
      function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
      return new (P || (P = Promise))(function (resolve, reject) {
          function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
          function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
          function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
          step((generator = generator.apply(thisArg, _arguments || [])).next());
      });
  }
  
  function __generator(thisArg, body) {
      var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
      return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
      function verb(n) { return function (v) { return step([n, v]); }; }
      function step(op) {
          if (f) throw new TypeError("Generator is already executing.");
          while (_) try {
              if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
              if (y = 0, t) op = [op[0] & 2, t.value];
              switch (op[0]) {
                  case 0: case 1: t = op; break;
                  case 4: _.label++; return { value: op[1], done: false };
                  case 5: _.label++; y = op[1]; op = [0]; continue;
                  case 7: op = _.ops.pop(); _.trys.pop(); continue;
                  default:
                      if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
                      if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
                      if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
                      if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
                      if (t[2]) _.ops.pop();
                      _.trys.pop(); continue;
              }
              op = body.call(thisArg, _);
          } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
          if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
      }
  }
  
  function __spreadArray(to, from, pack) {
      if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {
          if (ar || !(i in from)) {
              if (!ar) ar = Array.prototype.slice.call(from, 0, i);
              ar[i] = from[i];
          }
      }
      return to.concat(ar || Array.prototype.slice.call(from));
  }
  
  var Pluggable = /** @class */ (function () {
      function Pluggable() {
          this.installedPlugins = [];
      }
      Pluggable.prototype.install = function (handler, options) {
          if (typeof handler !== 'function') {
              console.error('plugin.install must receive a function');
              handler = function () { return ({}); };
          }
          this.installedPlugins.push({ handler: handler, options: options });
      };
      Pluggable.prototype.extend = function (instance) {
          var invokeSetup = function (_a) {
              var handler = _a.handler, options = _a.options;
              return handler(instance, options); // invoke the setup method passed to install
          };
          var bindProperty = function (_a) {
              var property = _a[0], value = _a[1];
              instance[property] =
                  typeof value === 'function' ? value.bind(instance) : value;
          };
          var addAllPropertiesFromSetup = function (setupResult) {
              setupResult = typeof setupResult === 'object' ? setupResult : {};
              Object.entries(setupResult).forEach(bindProperty);
          };
          this.installedPlugins.map(invokeSetup).forEach(addAllPropertiesFromSetup);
      };
      /** For testing */
      Pluggable.prototype.reset = function () {
          this.installedPlugins = [];
      };
      return Pluggable;
  }());
  var config = {
      global: {
          stubs: {
              transition: true,
              'transition-group': true
          },
          provide: {},
          components: {},
          config: {},
          directives: {},
          mixins: [],
          mocks: {},
          plugins: [],
          renderStubDefaultSlot: false
      },
      plugins: {
          VueWrapper: new Pluggable(),
          DOMWrapper: new Pluggable()
      },
      renderStubDefaultSlot: false
  };
  
  function mergeStubs(target, source) {
      if (source.stubs) {
          if (Array.isArray(source.stubs)) {
              source.stubs.forEach(function (x) { return (target[x] = true); });
          }
          else {
              for (var _i = 0, _a = Object.entries(source.stubs); _i < _a.length; _i++) {
                  var _b = _a[_i], k = _b[0], v = _b[1];
                  target[k] = v;
              }
          }
      }
  }
  function mergeGlobalProperties(mountGlobal) {
      var _a, _b, _c;
      if (mountGlobal === void 0) { mountGlobal = {}; }
      var stubs = {};
      var configGlobal = (_a = config === null || config === void 0 ? void 0 : config.global) !== null && _a !== void 0 ? _a : {};
      mergeStubs(stubs, configGlobal);
      mergeStubs(stubs, mountGlobal);
      var renderStubDefaultSlot = (_c = (_b = mountGlobal.renderStubDefaultSlot) !== null && _b !== void 0 ? _b : config === null || config === void 0 ? void 0 : config.renderStubDefaultSlot) !== null && _c !== void 0 ? _c : configGlobal === null || configGlobal === void 0 ? void 0 : configGlobal.renderStubDefaultSlot;
      return {
          mixins: __spreadArray(__spreadArray([], (configGlobal.mixins || []), true), (mountGlobal.mixins || []), true),
          plugins: __spreadArray(__spreadArray([], (configGlobal.plugins || []), true), (mountGlobal.plugins || []), true),
          stubs: stubs,
          components: __assign(__assign({}, configGlobal.components), mountGlobal.components),
          provide: __assign(__assign({}, configGlobal.provide), mountGlobal.provide),
          mocks: __assign(__assign({}, configGlobal.mocks), mountGlobal.mocks),
          config: __assign(__assign({}, configGlobal.config), mountGlobal.config),
          directives: __assign(__assign({}, configGlobal.directives), mountGlobal.directives),
          renderStubDefaultSlot: renderStubDefaultSlot
      };
  }
  var isObject$2 = function (obj) {
      return !!obj && typeof obj === 'object';
  };
  // https://stackoverflow.com/a/48218209
  var mergeDeep = function (target, source) {
      if (!isObject$2(target) || !isObject$2(source)) {
          return source;
      }
      Object.keys(source).forEach(function (key) {
          var targetValue = target[key];
          var sourceValue = source[key];
          if (Array.isArray(targetValue) && Array.isArray(sourceValue)) {
              target[key] = sourceValue;
          }
          else if (isObject$2(targetValue) && isObject$2(sourceValue)) {
              target[key] = mergeDeep(Object.assign({}, targetValue), sourceValue);
          }
          else {
              target[key] = sourceValue;
          }
      });
      return target;
  };
  function isClassComponent(component) {
      return typeof component === 'function' && '__vccOpts' in component;
  }
  function isComponent$1(component) {
      return Boolean(component &&
          (typeof component === 'object' || typeof component === 'function'));
  }
  function isFunctionalComponent(component) {
      return typeof component === 'function' && !isClassComponent(component);
  }
  function isObjectComponent(component) {
      return Boolean(component && typeof component === 'object');
  }
  function textContent(element) {
      var _a, _b;
      // we check if the element is a comment first
      // to return an empty string in that case, instead of the comment content
      return element.nodeType !== Node.COMMENT_NODE
          ? (_b = (_a = element.textContent) === null || _a === void 0 ? void 0 : _a.trim()) !== null && _b !== void 0 ? _b : ''
          : '';
  }
  function hasOwnProperty(obj, prop) {
      return obj.hasOwnProperty(prop);
  }
  function isNotNullOrUndefined(obj) {
      return Boolean(obj);
  }
  function isRefSelector(selector) {
      return typeof selector === 'object' && 'ref' in selector;
  }
  
  var ignorableKeyModifiers = [
      'stop',
      'prevent',
      'self',
      'exact',
      'prevent',
      'capture'
  ];
  var systemKeyModifiers = ['ctrl', 'shift', 'alt', 'meta'];
  var mouseKeyModifiers = ['left', 'middle', 'right'];
  var keyCodesByKeyName = {
      backspace: 8,
      tab: 9,
      enter: 13,
      esc: 27,
      space: 32,
      pageup: 33,
      pagedown: 34,
      end: 35,
      home: 36,
      left: 37,
      up: 38,
      right: 39,
      down: 40,
      insert: 45,
      delete: 46
  };
  var domEvents = {
      abort: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      afterprint: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      animationend: {
          eventInterface: 'AnimationEvent',
          bubbles: true,
          cancelable: false
      },
      animationiteration: {
          eventInterface: 'AnimationEvent',
          bubbles: true,
          cancelable: false
      },
      animationstart: {
          eventInterface: 'AnimationEvent',
          bubbles: true,
          cancelable: false
      },
      appinstalled: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      /**
       * @deprecated
       */
      audioprocess: {
          eventInterface: 'AudioProcessingEvent',
          bubbles: false,
          cancelable: false
      },
      audioend: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      audiostart: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      beforeprint: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      beforeunload: {
          eventInterface: 'BeforeUnloadEvent',
          bubbles: false,
          cancelable: true
      },
      beginEvent: {
          eventInterface: 'TimeEvent',
          bubbles: false,
          cancelable: false
      },
      blur: {
          eventInterface: 'FocusEvent',
          bubbles: false,
          cancelable: false
      },
      boundary: {
          eventInterface: 'SpeechSynthesisEvent',
          bubbles: false,
          cancelable: false
      },
      cached: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      canplay: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      canplaythrough: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      change: {
          eventInterface: 'Event',
          bubbles: true,
          cancelable: false
      },
      chargingchange: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      chargingtimechange: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      checking: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      click: {
          eventInterface: 'MouseEvent',
          bubbles: true,
          cancelable: true
      },
      close: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      complete: {
          eventInterface: 'OfflineAudioCompletionEvent',
          bubbles: false,
          cancelable: false
      },
      compositionend: {
          eventInterface: 'CompositionEvent',
          bubbles: true,
          cancelable: true
      },
      compositionstart: {
          eventInterface: 'CompositionEvent',
          bubbles: true,
          cancelable: true
      },
      compositionupdate: {
          eventInterface: 'CompositionEvent',
          bubbles: true,
          cancelable: false
      },
      contextmenu: {
          eventInterface: 'MouseEvent',
          bubbles: true,
          cancelable: true
      },
      copy: {
          eventInterface: 'ClipboardEvent',
          bubbles: true,
          cancelable: true
      },
      cut: {
          eventInterface: 'ClipboardEvent',
          bubbles: true,
          cancelable: true
      },
      dblclick: {
          eventInterface: 'MouseEvent',
          bubbles: true,
          cancelable: true
      },
      devicechange: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      devicelight: {
          eventInterface: 'DeviceLightEvent',
          bubbles: false,
          cancelable: false
      },
      devicemotion: {
          eventInterface: 'DeviceMotionEvent',
          bubbles: false,
          cancelable: false
      },
      deviceorientation: {
          eventInterface: 'DeviceOrientationEvent',
          bubbles: false,
          cancelable: false
      },
      deviceproximity: {
          eventInterface: 'DeviceProximityEvent',
          bubbles: false,
          cancelable: false
      },
      dischargingtimechange: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      DOMActivate: {
          eventInterface: 'UIEvent',
          bubbles: true,
          cancelable: true
      },
      DOMAttributeNameChanged: {
          eventInterface: 'MutationNameEvent',
          bubbles: true,
          cancelable: true
      },
      DOMAttrModified: {
          eventInterface: 'MutationEvent',
          bubbles: true,
          cancelable: true
      },
      DOMCharacterDataModified: {
          eventInterface: 'MutationEvent',
          bubbles: true,
          cancelable: true
      },
      DOMContentLoaded: {
          eventInterface: 'Event',
          bubbles: true,
          cancelable: true
      },
      DOMElementNameChanged: {
          eventInterface: 'MutationNameEvent',
          bubbles: true,
          cancelable: true
      },
      DOMFocusIn: {
          eventInterface: 'FocusEvent',
          bubbles: true,
          cancelable: true
      },
      DOMFocusOut: {
          eventInterface: 'FocusEvent',
          bubbles: true,
          cancelable: true
      },
      DOMNodeInserted: {
          eventInterface: 'MutationEvent',
          bubbles: true,
          cancelable: true
      },
      DOMNodeInsertedIntoDocument: {
          eventInterface: 'MutationEvent',
          bubbles: true,
          cancelable: true
      },
      DOMNodeRemoved: {
          eventInterface: 'MutationEvent',
          bubbles: true,
          cancelable: true
      },
      DOMNodeRemovedFromDocument: {
          eventInterface: 'MutationEvent',
          bubbles: true,
          cancelable: true
      },
      /**
       * @deprecated
       */
      DOMSubtreeModified: {
          eventInterface: 'MutationEvent',
          bubbles: true,
          cancelable: false
      },
      downloading: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      drag: {
          eventInterface: 'DragEvent',
          bubbles: true,
          cancelable: true
      },
      dragend: {
          eventInterface: 'DragEvent',
          bubbles: true,
          cancelable: false
      },
      dragenter: {
          eventInterface: 'DragEvent',
          bubbles: true,
          cancelable: true
      },
      dragleave: {
          eventInterface: 'DragEvent',
          bubbles: true,
          cancelable: false
      },
      dragover: {
          eventInterface: 'DragEvent',
          bubbles: true,
          cancelable: true
      },
      dragstart: {
          eventInterface: 'DragEvent',
          bubbles: true,
          cancelable: true
      },
      drop: {
          eventInterface: 'DragEvent',
          bubbles: true,
          cancelable: true
      },
      durationchange: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      emptied: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      end: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      ended: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      endEvent: {
          eventInterface: 'TimeEvent',
          bubbles: false,
          cancelable: false
      },
      error: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      focus: {
          eventInterface: 'FocusEvent',
          bubbles: false,
          cancelable: false
      },
      focusin: {
          eventInterface: 'FocusEvent',
          bubbles: true,
          cancelable: false
      },
      focusout: {
          eventInterface: 'FocusEvent',
          bubbles: true,
          cancelable: false
      },
      fullscreenchange: {
          eventInterface: 'Event',
          bubbles: true,
          cancelable: false
      },
      fullscreenerror: {
          eventInterface: 'Event',
          bubbles: true,
          cancelable: false
      },
      gamepadconnected: {
          eventInterface: 'GamepadEvent',
          bubbles: false,
          cancelable: false
      },
      gamepaddisconnected: {
          eventInterface: 'GamepadEvent',
          bubbles: false,
          cancelable: false
      },
      gotpointercapture: {
          eventInterface: 'PointerEvent',
          bubbles: false,
          cancelable: false
      },
      hashchange: {
          eventInterface: 'HashChangeEvent',
          bubbles: true,
          cancelable: false
      },
      lostpointercapture: {
          eventInterface: 'PointerEvent',
          bubbles: false,
          cancelable: false
      },
      input: {
          eventInterface: 'Event',
          bubbles: true,
          cancelable: false
      },
      invalid: {
          eventInterface: 'Event',
          cancelable: true,
          bubbles: false
      },
      keydown: {
          eventInterface: 'KeyboardEvent',
          bubbles: true,
          cancelable: true
      },
      keypress: {
          eventInterface: 'KeyboardEvent',
          bubbles: true,
          cancelable: true
      },
      keyup: {
          eventInterface: 'KeyboardEvent',
          bubbles: true,
          cancelable: true
      },
      languagechange: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      levelchange: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      load: {
          eventInterface: 'UIEvent',
          bubbles: false,
          cancelable: false
      },
      loadeddata: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      loadedmetadata: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      loadend: {
          eventInterface: 'ProgressEvent',
          bubbles: false,
          cancelable: false
      },
      loadstart: {
          eventInterface: 'ProgressEvent',
          bubbles: false,
          cancelable: false
      },
      mark: {
          eventInterface: 'SpeechSynthesisEvent',
          bubbles: false,
          cancelable: false
      },
      message: {
          eventInterface: 'MessageEvent',
          bubbles: false,
          cancelable: false
      },
      messageerror: {
          eventInterface: 'MessageEvent',
          bubbles: false,
          cancelable: false
      },
      mousedown: {
          eventInterface: 'MouseEvent',
          bubbles: true,
          cancelable: true
      },
      mouseenter: {
          eventInterface: 'MouseEvent',
          bubbles: false,
          cancelable: false
      },
      mouseleave: {
          eventInterface: 'MouseEvent',
          bubbles: false,
          cancelable: false
      },
      mousemove: {
          eventInterface: 'MouseEvent',
          bubbles: true,
          cancelable: true
      },
      mouseout: {
          eventInterface: 'MouseEvent',
          bubbles: true,
          cancelable: true
      },
      mouseover: {
          eventInterface: 'MouseEvent',
          bubbles: true,
          cancelable: true
      },
      mouseup: {
          eventInterface: 'MouseEvent',
          bubbles: true,
          cancelable: true
      },
      nomatch: {
          eventInterface: 'SpeechRecognitionEvent',
          bubbles: false,
          cancelable: false
      },
      notificationclick: {
          eventInterface: 'NotificationEvent',
          bubbles: false,
          cancelable: false
      },
      noupdate: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      obsolete: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      offline: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      online: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      open: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      orientationchange: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      pagehide: {
          eventInterface: 'PageTransitionEvent',
          bubbles: false,
          cancelable: false
      },
      pageshow: {
          eventInterface: 'PageTransitionEvent',
          bubbles: false,
          cancelable: false
      },
      paste: {
          eventInterface: 'ClipboardEvent',
          bubbles: true,
          cancelable: true
      },
      pause: {
          eventInterface: 'SpeechSynthesisEvent',
          bubbles: false,
          cancelable: false
      },
      pointercancel: {
          eventInterface: 'PointerEvent',
          bubbles: true,
          cancelable: false
      },
      pointerdown: {
          eventInterface: 'PointerEvent',
          bubbles: true,
          cancelable: true
      },
      pointerenter: {
          eventInterface: 'PointerEvent',
          bubbles: false,
          cancelable: false
      },
      pointerleave: {
          eventInterface: 'PointerEvent',
          bubbles: false,
          cancelable: false
      },
      pointerlockchange: {
          eventInterface: 'Event',
          bubbles: true,
          cancelable: false
      },
      pointerlockerror: {
          eventInterface: 'Event',
          bubbles: true,
          cancelable: false
      },
      pointermove: {
          eventInterface: 'PointerEvent',
          bubbles: true,
          cancelable: true
      },
      pointerout: {
          eventInterface: 'PointerEvent',
          bubbles: true,
          cancelable: true
      },
      pointerover: {
          eventInterface: 'PointerEvent',
          bubbles: true,
          cancelable: true
      },
      pointerup: {
          eventInterface: 'PointerEvent',
          bubbles: true,
          cancelable: true
      },
      play: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      playing: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      popstate: {
          eventInterface: 'PopStateEvent',
          bubbles: true,
          cancelable: false
      },
      progress: {
          eventInterface: 'ProgressEvent',
          bubbles: false,
          cancelable: false
      },
      push: {
          eventInterface: 'PushEvent',
          bubbles: false,
          cancelable: false
      },
      pushsubscriptionchange: {
          eventInterface: 'PushEvent',
          bubbles: false,
          cancelable: false
      },
      ratechange: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      readystatechange: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      repeatEvent: {
          eventInterface: 'TimeEvent',
          bubbles: false,
          cancelable: false
      },
      reset: {
          eventInterface: 'Event',
          bubbles: true,
          cancelable: true
      },
      resize: {
          eventInterface: 'UIEvent',
          bubbles: false,
          cancelable: false
      },
      resourcetimingbufferfull: {
          eventInterface: 'Performance',
          bubbles: true,
          cancelable: true
      },
      result: {
          eventInterface: 'SpeechRecognitionEvent',
          bubbles: false,
          cancelable: false
      },
      resume: {
          eventInterface: 'SpeechSynthesisEvent',
          bubbles: false,
          cancelable: false
      },
      scroll: {
          eventInterface: 'UIEvent',
          bubbles: false,
          cancelable: false
      },
      seeked: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      seeking: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      select: {
          eventInterface: 'UIEvent',
          bubbles: true,
          cancelable: false
      },
      selectstart: {
          eventInterface: 'Event',
          bubbles: true,
          cancelable: true
      },
      selectionchange: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      show: {
          eventInterface: 'MouseEvent',
          bubbles: false,
          cancelable: false
      },
      slotchange: {
          eventInterface: 'Event',
          bubbles: true,
          cancelable: false
      },
      soundend: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      soundstart: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      speechend: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      speechstart: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      stalled: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      start: {
          eventInterface: 'SpeechSynthesisEvent',
          bubbles: false,
          cancelable: false
      },
      storage: {
          eventInterface: 'StorageEvent',
          bubbles: false,
          cancelable: false
      },
      submit: {
          eventInterface: 'Event',
          bubbles: true,
          cancelable: true
      },
      success: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      suspend: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      SVGAbort: {
          eventInterface: 'SVGEvent',
          bubbles: true,
          cancelable: false
      },
      SVGError: {
          eventInterface: 'SVGEvent',
          bubbles: true,
          cancelable: false
      },
      SVGLoad: {
          eventInterface: 'SVGEvent',
          bubbles: false,
          cancelable: false
      },
      SVGResize: {
          eventInterface: 'SVGEvent',
          bubbles: true,
          cancelable: false
      },
      SVGScroll: {
          eventInterface: 'SVGEvent',
          bubbles: true,
          cancelable: false
      },
      SVGUnload: {
          eventInterface: 'SVGEvent',
          bubbles: false,
          cancelable: false
      },
      SVGZoom: {
          eventInterface: 'SVGZoomEvent',
          bubbles: true,
          cancelable: false
      },
      timeout: {
          eventInterface: 'ProgressEvent',
          bubbles: false,
          cancelable: false
      },
      timeupdate: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      touchcancel: {
          eventInterface: 'TouchEvent',
          bubbles: true,
          cancelable: false
      },
      touchend: {
          eventInterface: 'TouchEvent',
          bubbles: true,
          cancelable: true
      },
      touchmove: {
          eventInterface: 'TouchEvent',
          bubbles: true,
          cancelable: true
      },
      touchstart: {
          eventInterface: 'TouchEvent',
          bubbles: true,
          cancelable: true
      },
      transitionend: {
          eventInterface: 'TransitionEvent',
          bubbles: true,
          cancelable: true
      },
      unload: {
          eventInterface: 'UIEvent',
          bubbles: false,
          cancelable: false
      },
      updateready: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      userproximity: {
          eventInterface: 'UserProximityEvent',
          bubbles: false,
          cancelable: false
      },
      voiceschanged: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      visibilitychange: {
          eventInterface: 'Event',
          bubbles: true,
          cancelable: false
      },
      volumechange: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      waiting: {
          eventInterface: 'Event',
          bubbles: false,
          cancelable: false
      },
      wheel: {
          eventInterface: 'WheelEvent',
          bubbles: true,
          cancelable: true
      }
  };
  
  /**
   * Groups modifiers into lists
   */
  function generateModifiers(modifiers, isOnClick) {
      var keyModifiers = [];
      var systemModifiers = [];
      for (var i = 0; i < modifiers.length; i++) {
          var modifier = modifiers[i];
          // addEventListener() options, e.g. .passive & .capture, that we dont need to handle
          if (ignorableKeyModifiers.includes(modifier)) {
              continue;
          }
          // modifiers that require special conversion
          // if passed a left/right key modifier with onClick, add it here as well.
          if (systemKeyModifiers.includes(modifier) ||
              (mouseKeyModifiers.includes(modifier) &&
                  isOnClick)) {
              systemModifiers.push(modifier);
          }
          else {
              keyModifiers.push(modifier);
          }
      }
      return {
          keyModifiers: keyModifiers,
          systemModifiers: systemModifiers
      };
  }
  function getEventProperties(eventParams) {
      var modifiers = eventParams.modifiers, _a = eventParams.options, options = _a === void 0 ? {} : _a, eventType = eventParams.eventType;
      var isOnClick = eventType === 'click';
      var _b = generateModifiers(modifiers, isOnClick), keyModifiers = _b.keyModifiers, systemModifiers = _b.systemModifiers;
      if (isOnClick) {
          // if it's a right click, it should fire a `contextmenu` event
          if (systemModifiers.includes('right')) {
              eventType = 'contextmenu';
              options.button = 2;
              // if its a middle click, fire a `mouseup` event
          }
          else if (systemModifiers.includes('middle')) {
              eventType = 'mouseup';
              options.button = 1;
          }
      }
      var meta = domEvents[eventType] || {
          eventInterface: 'Event',
          cancelable: true,
          bubbles: true
      };
      // convert `shift, ctrl` to `shiftKey, ctrlKey`
      // allows trigger('keydown.shift.ctrl.n') directly
      var systemModifiersMeta = systemModifiers.reduce(function (all, key) {
          all["".concat(key, "Key")] = true;
          return all;
      }, {});
      // get the keyCode for backwards compat
      var keyCode = keyCodesByKeyName[keyModifiers[0]] ||
          (options && (options.keyCode || options.code));
      var eventProperties = __assign(__assign(__assign(__assign({}, systemModifiersMeta), options), { bubbles: meta.bubbles, cancelable: meta.cancelable, 
          // Any derived options should go here
          keyCode: keyCode, code: keyCode }), (keyModifiers[0] ? { key: keyModifiers[0] } : {}));
      return {
          eventProperties: eventProperties,
          meta: meta,
          eventType: eventType
      };
  }
  function createEvent(eventParams) {
      var _a = getEventProperties(eventParams), eventProperties = _a.eventProperties, meta = _a.meta, eventType = _a.eventType;
      // user defined eventInterface
      var eventInterface = meta.eventInterface;
      var metaEventInterface = window[eventInterface];
      var SupportedEventInterface = typeof metaEventInterface === 'function' ? metaEventInterface : window.Event;
      return new SupportedEventInterface(eventType, 
      // event properties can only be added when the event is instantiated
      // custom properties must be added after the event has been instantiated
      eventProperties);
  }
  function createDOMEvent(eventString, options) {
      // split eventString like `keydown.ctrl.shift` into `keydown` and array of modifiers
      var _a = eventString.split('.'), eventType = _a[0], modifiers = _a.slice(1);
      var eventParams = {
          eventType: eventType,
          modifiers: modifiers,
          options: options
      };
      var event = createEvent(eventParams);
      var eventPrototype = Object.getPrototypeOf(event);
      // attach custom options to the event, like `relatedTarget` and so on.
      options &&
          Object.keys(options).forEach(function (key) {
              var propertyDescriptor = Object.getOwnPropertyDescriptor(eventPrototype, key);
              var canSetProperty = !(propertyDescriptor && propertyDescriptor.set === undefined);
              if (canSetProperty) {
                  event[key] = options[key];
              }
          });
      return event;
  }
  
  var cacheStringFunction$2 = function (fn) {
      var cache = Object.create(null);
      return (function (str) {
          var hit = cache[str];
          return hit || (cache[str] = fn(str));
      });
  };
  var camelizeRE$2 = /-(\w)/g;
  var camelize$2 = cacheStringFunction$2(function (str) {
      return str.replace(camelizeRE$2, function (_, c) { return (c ? c.toUpperCase() : ''); });
  });
  var capitalize$1 = cacheStringFunction$2(function (str) {
      return str.charAt(0).toUpperCase() + str.slice(1);
  });
  var hyphenateRE$1 = /\B([A-Z])/g;
  var hyphenate$1 = cacheStringFunction$2(function (str) {
      return str.replace(hyphenateRE$1, '-$1').toLowerCase();
  });
  
  function matchName(target, sourceName) {
      var camelized = camelize$2(target);
      var capitalized = capitalize$1(camelized);
      return (!!sourceName &&
          (sourceName === target ||
              sourceName === camelized ||
              sourceName === capitalized ||
              capitalize$1(camelize$2(sourceName)) === capitalized));
  }
  
  function isCompatEnabled$1(key) {
      var _a, _b;
      return (_b = (_a = Vue.compatUtils) === null || _a === void 0 ? void 0 : _a.isCompatEnabled(key)) !== null && _b !== void 0 ? _b : false;
  }
  function isLegacyExtendedComponent(component) {
      if (!isCompatEnabled$1('GLOBAL_EXTEND') || typeof component !== 'function') {
          return false;
      }
      return (hasOwnProperty(component, 'super') &&
          component.super.extend({}).super === component.super);
  }
  function unwrapLegacyVueExtendComponent(selector) {
      return isLegacyExtendedComponent(selector) ? selector.options : selector;
  }
  function isLegacyFunctionalComponent(component) {
      return Boolean(component &&
          typeof component === 'object' &&
          hasOwnProperty(component, 'functional') &&
          component.functional);
  }
  
  var stubsMap = new WeakMap();
  var registerStub = function (_a) {
      var source = _a.source, stub = _a.stub, originalStub = _a.originalStub;
      stubsMap.set(stub, { source: source, originalStub: originalStub });
  };
  var getOriginalVNodeTypeFromStub = function (type) { var _a; return (_a = stubsMap.get(type)) === null || _a === void 0 ? void 0 : _a.source; };
  var getOriginalStubFromSpecializedStub = function (type) { var _a; return (_a = stubsMap.get(type)) === null || _a === void 0 ? void 0 : _a.originalStub; };
  var doNotStubComponents = new WeakSet();
  var shouldNotStub = function (type) { return doNotStubComponents.has(type); };
  var addToDoNotStubComponents = function (type) {
      return doNotStubComponents.add(type);
  };
  var stringifySymbols = function (props) {
      // props are always normalized to object syntax
      var $props = props;
      return Object.keys($props).reduce(function (acc, key) {
          var _a, _b;
          var _c;
          if (typeof $props[key] === 'symbol') {
              return __assign(__assign({}, acc), (_a = {}, _a[key] = (_c = $props[key]) === null || _c === void 0 ? void 0 : _c.toString(), _a));
          }
          return __assign(__assign({}, acc), (_b = {}, _b[key] = $props[key], _b));
      }, {});
  };
  var createStub = function (_a) {
      var name = _a.name, propsDeclaration = _a.propsDeclaration, renderStubDefaultSlot = _a.renderStubDefaultSlot;
      var anonName = 'anonymous-stub';
      var tag = name ? "".concat(hyphenate$1(name), "-stub") : anonName;
      var render = function (ctx) {
          // https://github.com/vuejs/vue-test-utils-next/issues/1076
          // Passing a symbol as a static prop is not legal, since Vue will try to do
          // something like `el.setAttribute('val', Symbol())` which is not valid and
          // causes an error.
          // Only a problem when shallow mounting. For this reason we iterate of the
          // props that will be passed and stringify any that are symbols.
          var propsWithoutSymbols = stringifySymbols(ctx.$props);
          return h(tag, propsWithoutSymbols, renderStubDefaultSlot ? ctx.$slots : undefined);
      };
      return defineComponent({
          name: name || anonName,
          compatConfig: { MODE: 3, RENDER_FUNCTION: false },
          render: render,
          props: propsDeclaration || {}
      });
  };
  var createTransitionStub = function (_a) {
      var name = _a.name;
      var render = function (ctx) {
          return h(name, {}, ctx.$slots);
      };
      return defineComponent({
          name: name,
          compatConfig: { MODE: 3, RENDER_FUNCTION: false },
          render: render
      });
  };
  var createTeleportStub = function (_a) {
      var name = _a.name;
      var render = function (ctx) {
          return h(name, {}, ctx.$slots);
      };
      return defineComponent({
          name: name,
          compatConfig: { MODE: 3, RENDER_FUNCTION: false },
          render: render
      });
  };
  var resolveComponentStubByName = function (componentName, stubs) {
      if (Array.isArray(stubs) && stubs.length) {
          // ['Foo', 'Bar'] => { Foo: true, Bar: true }
          stubs = stubs.reduce(function (acc, current) {
              acc[current] = true;
              return acc;
          }, {});
      }
      for (var _i = 0, _a = Object.entries(stubs); _i < _a.length; _i++) {
          var _b = _a[_i], stubKey = _b[0], value = _b[1];
          if (matchName(componentName, stubKey)) {
              return value;
          }
      }
  };
  var getComponentRegisteredName = function (instance, type) {
      if (!instance || !instance.parent)
          return null;
      // try to infer the name based on local resolution
      var registry = instance.type.components;
      for (var key in registry) {
          if (registry[key] === type) {
              return key;
          }
      }
      return null;
  };
  var getComponentName = function (instance, type) {
      if (isObjectComponent(type)) {
          var defaultName = Object.keys((instance === null || instance === void 0 ? void 0 : instance.setupState) || {}).find(function (key) { return instance.setupState[key] === type; });
          return defaultName || type.name || '';
      }
      if (isLegacyExtendedComponent(type)) {
          return unwrapLegacyVueExtendComponent(type).name || '';
      }
      if (isFunctionalComponent(type)) {
          return type.displayName || type.name;
      }
      return '';
  };
  function createStubOnceForType(type, factoryFn, cache) {
      var cachedStub = cache.get(type);
      if (cachedStub) {
          return cachedStub;
      }
      var stub = factoryFn();
      cache.set(type, stub);
      return stub;
  }
  function stubComponents(stubs, shallow, renderStubDefaultSlot) {
      if (stubs === void 0) { stubs = {}; }
      if (shallow === void 0) { shallow = false; }
      if (renderStubDefaultSlot === void 0) { renderStubDefaultSlot = false; }
      var createdStubsMap = new WeakMap();
      var createStubOnce = function (type, factoryFn) { return createStubOnceForType(type, factoryFn, createdStubsMap); };
      transformVNodeArgs(function (args, instance) {
          var nodeType = args[0], props = args[1], children = args[2], patchFlag = args[3], dynamicProps = args[4];
          var type = nodeType;
          // stub transition by default via config.global.stubs
          if (type === Transition && 'transition' in stubs && stubs['transition']) {
              return [
                  createTransitionStub({
                      name: 'transition-stub'
                  }),
                  undefined,
                  children
              ];
          }
          // stub transition-group by default via config.global.stubs
          if (type === TransitionGroup &&
              'transition-group' in stubs &&
              stubs['transition-group']) {
              return [
                  createTransitionStub({
                      name: 'transition-group-stub'
                  }),
                  undefined,
                  children
              ];
          }
          // stub teleport by default via config.global.stubs
          if (type === Teleport && 'teleport' in stubs && stubs['teleport']) {
              return [
                  createTeleportStub({
                      name: 'teleport-stub'
                  }),
                  undefined,
                  function () { return children; }
              ];
          }
          if (isComponent$1(type) || isFunctionalComponent(type)) {
              if (shouldNotStub(type)) {
                  return args;
              }
              var registeredName = getComponentRegisteredName(instance, type);
              var componentName = getComponentName(instance, type);
              var stub = null;
              var name_1 = null;
              // Prio 1 using the key in locally registered components in the parent
              if (registeredName) {
                  stub = resolveComponentStubByName(registeredName, stubs);
                  if (stub) {
                      name_1 = registeredName;
                  }
              }
              // Prio 2 using the name attribute in the component
              if (!stub && componentName) {
                  stub = resolveComponentStubByName(componentName, stubs);
                  if (stub) {
                      name_1 = componentName;
                  }
              }
              // case 2: custom implementation
              if (isComponent$1(stub)) {
                  var unwrappedStub = unwrapLegacyVueExtendComponent(stub);
                  var stubFn_1 = isFunctionalComponent(unwrappedStub)
                      ? unwrappedStub
                      : null;
                  var specializedStubComponent_1 = stubFn_1
                      ? function () {
                          var args = [];
                          for (var _i = 0; _i < arguments.length; _i++) {
                              args[_i] = arguments[_i];
                          }
                          return stubFn_1.apply(void 0, args);
                      }
                      : __assign({}, unwrappedStub);
                  specializedStubComponent_1.props = unwrappedStub.props;
                  var specializedStub = createStubOnce(type, function () { return specializedStubComponent_1; });
                  specializedStub.props = unwrappedStub.props;
                  registerStub({
                      source: type,
                      stub: specializedStub,
                      originalStub: stub
                  });
                  // pass the props and children, for advanced stubbing
                  return [specializedStub, props, children, patchFlag, dynamicProps];
              }
              if (stub === false) {
                  // we explicitly opt out of stubbing this component
                  return args;
              }
              // we return a stub by matching Vue's `h` function
              // where the signature is h(Component, props, slots)
              // case 1: default stub
              if (stub === true || shallow) {
                  // Set name when using shallow without stub
                  var stubName_1 = name_1 || registeredName || componentName;
                  if (!isComponent$1(type)) {
                      throw new Error('Attempted to stub a non-component');
                  }
                  var propsDeclaration_1 = unwrapLegacyVueExtendComponent(type).props || {};
                  var newStub = createStubOnce(type, function () {
                      return createStub({
                          name: stubName_1,
                          propsDeclaration: propsDeclaration_1,
                          renderStubDefaultSlot: renderStubDefaultSlot
                      });
                  });
                  registerStub({ source: type, stub: newStub });
                  return [newStub, props, children, patchFlag, dynamicProps];
              }
          }
          // do not stub anything what is not a component
          return args;
      });
  }
  
  /**
   * Detect whether a selector matches a VNode
   * @param node
   * @param selector
   * @return {boolean | ((value: any) => boolean)}
   */
  function matches(node, rawSelector) {
      var _a, _b;
      var selector = unwrapLegacyVueExtendComponent(rawSelector);
      // do not return none Vue components
      if (!node.component)
          return false;
      var nodeType = node.type;
      if (!isComponent$1(nodeType))
          return false;
      if (typeof selector === 'string') {
          return (_b = (_a = node.el) === null || _a === void 0 ? void 0 : _a.matches) === null || _b === void 0 ? void 0 : _b.call(_a, selector);
      }
      // When we're using stubs we want user to be able to
      // find stubbed components both by original component
      // or stub definition. That's why we are trying to
      // extract original component and also stub, which was
      // used to create specialized stub for render
      var nodeTypeCandidates = [
          nodeType,
          getOriginalVNodeTypeFromStub(nodeType),
          getOriginalStubFromSpecializedStub(nodeType)
      ].filter(Boolean);
      if (nodeTypeCandidates.includes(selector)) {
          return true;
      }
      var componentName;
      componentName = nodeType.displayName || nodeType.name;
      var selectorName = selector.name;
      // the component and selector both have a name
      if (componentName && selectorName) {
          return matchName(selectorName, componentName);
      }
      // if a name is missing, then check the locally registered components in the parent
      if (node.component.parent) {
          var registry = node.component.parent.type.components;
          for (var key in registry) {
              // is it the selector
              if (!selectorName && registry[key] === selector) {
                  selectorName = key;
              }
              // is it the component
              if (!componentName && registry[key] === nodeType) {
                  componentName = key;
              }
          }
          // we may have one or both missing names
          if (selectorName && componentName) {
              return matchName(selectorName, componentName);
          }
      }
      return false;
  }
  /**
   * Filters out the null, undefined and primitive values,
   * to only keep VNode and VNodeArrayChildren values
   * @param value
   */
  function nodesAsObject(value) {
      return !!value && typeof value === 'object';
  }
  /**
   * Collect all children
   * @param nodes
   * @param children
   */
  function aggregateChildren(nodes, children) {
      if (children && Array.isArray(children)) {
          var reversedNodes = __spreadArray([], children, true).reverse().filter(nodesAsObject);
          reversedNodes.forEach(function (node) {
              if (Array.isArray(node)) {
                  aggregateChildren(nodes, node);
              }
              else {
                  nodes.unshift(node);
              }
          });
      }
  }
  function findAllVNodes(vnode, selector) {
      var matchingNodes = [];
      var nodes = [vnode];
      while (nodes.length) {
          var node = nodes.shift();
          aggregateChildren(nodes, node.children);
          if (node.component) {
              aggregateChildren(nodes, [node.component.subTree]);
          }
          if (node.suspense) {
              // match children if component is Suspense
              var activeBranch = node.suspense.activeBranch;
              aggregateChildren(nodes, [activeBranch]);
          }
          if (matches(node, selector)) {
              matchingNodes.push(node);
          }
      }
      return matchingNodes;
  }
  function find(root, selector) {
      var matchingVNodes = findAllVNodes(root, selector);
      if (typeof selector === 'string') {
          // When searching by CSS selector we want only one (topmost) vnode for each el`
          matchingVNodes = matchingVNodes.filter(function (vnode) { var _a; return ((_a = vnode.component.parent) === null || _a === void 0 ? void 0 : _a.vnode.el) !== vnode.el; });
      }
      return matchingVNodes.map(function (vnode) { return vnode.component; });
  }
  
  function createWrapperError(wrapperType) {
      return new Proxy(Object.create(null), {
          get: function (obj, prop) {
              switch (prop) {
                  case 'then':
                      // allows for better errors when wrapping `find` in `await`
                      // https://github.com/vuejs/vue-test-utils-next/issues/638
                      return;
                  case 'exists':
                      return function () { return false; };
                  default:
                      throw new Error("Cannot call ".concat(String(prop), " on an empty ").concat(wrapperType, "."));
              }
          }
      });
  }
  
  /*!
   * isElementVisible
   * Adapted from https://github.com/testing-library/jest-dom
   * Licensed under the MIT License.
   */
  function isStyleVisible(element) {
      if (!(element instanceof HTMLElement) && !(element instanceof SVGElement)) {
          return false;
      }
      var _a = getComputedStyle(element), display = _a.display, visibility = _a.visibility, opacity = _a.opacity;
      return (display !== 'none' &&
          visibility !== 'hidden' &&
          visibility !== 'collapse' &&
          opacity !== '0');
  }
  function isAttributeVisible(element) {
      return (!element.hasAttribute('hidden') &&
          (element.nodeName === 'DETAILS' ? element.hasAttribute('open') : true));
  }
  function isElementVisible(element) {
      return (element.nodeName !== '#comment' &&
          isStyleVisible(element) &&
          isAttributeVisible(element) &&
          (!element.parentElement || isElementVisible(element.parentElement)));
  }
  
  function isElement(element) {
      return element instanceof Element;
  }
  
  var WrapperType;
  (function (WrapperType) {
      WrapperType[WrapperType["DOMWrapper"] = 0] = "DOMWrapper";
      WrapperType[WrapperType["VueWrapper"] = 1] = "VueWrapper";
  })(WrapperType || (WrapperType = {}));
  var factories = {};
  function registerFactory(type, fn) {
      factories[type] = fn;
  }
  var createDOMWrapper = function (element) {
      return factories[WrapperType.DOMWrapper](element);
  };
  var createVueWrapper = function (app, vm, setProps) {
      return factories[WrapperType.VueWrapper](app, vm, setProps);
  };
  
  function stringifyNode(node) {
      return node instanceof Element
          ? node.outerHTML
          : new XMLSerializer().serializeToString(node);
  }
  
  var js = {exports: {}};
  
  var src = {};
  
  var javascript = {exports: {}};
  
  var beautifier$2 = {};
  
  var output = {};
  
  /*jshint node:true */
  
  function OutputLine(parent) {
    this.__parent = parent;
    this.__character_count = 0;
    // use indent_count as a marker for this.__lines that have preserved indentation
    this.__indent_count = -1;
    this.__alignment_count = 0;
    this.__wrap_point_index = 0;
    this.__wrap_point_character_count = 0;
    this.__wrap_point_indent_count = -1;
    this.__wrap_point_alignment_count = 0;
  
    this.__items = [];
  }
  
  OutputLine.prototype.clone_empty = function() {
    var line = new OutputLine(this.__parent);
    line.set_indent(this.__indent_count, this.__alignment_count);
    return line;
  };
  
  OutputLine.prototype.item = function(index) {
    if (index < 0) {
      return this.__items[this.__items.length + index];
    } else {
      return this.__items[index];
    }
  };
  
  OutputLine.prototype.has_match = function(pattern) {
    for (var lastCheckedOutput = this.__items.length - 1; lastCheckedOutput >= 0; lastCheckedOutput--) {
      if (this.__items[lastCheckedOutput].match(pattern)) {
        return true;
      }
    }
    return false;
  };
  
  OutputLine.prototype.set_indent = function(indent, alignment) {
    if (this.is_empty()) {
      this.__indent_count = indent || 0;
      this.__alignment_count = alignment || 0;
      this.__character_count = this.__parent.get_indent_size(this.__indent_count, this.__alignment_count);
    }
  };
  
  OutputLine.prototype._set_wrap_point = function() {
    if (this.__parent.wrap_line_length) {
      this.__wrap_point_index = this.__items.length;
      this.__wrap_point_character_count = this.__character_count;
      this.__wrap_point_indent_count = this.__parent.next_line.__indent_count;
      this.__wrap_point_alignment_count = this.__parent.next_line.__alignment_count;
    }
  };
  
  OutputLine.prototype._should_wrap = function() {
    return this.__wrap_point_index &&
      this.__character_count > this.__parent.wrap_line_length &&
      this.__wrap_point_character_count > this.__parent.next_line.__character_count;
  };
  
  OutputLine.prototype._allow_wrap = function() {
    if (this._should_wrap()) {
      this.__parent.add_new_line();
      var next = this.__parent.current_line;
      next.set_indent(this.__wrap_point_indent_count, this.__wrap_point_alignment_count);
      next.__items = this.__items.slice(this.__wrap_point_index);
      this.__items = this.__items.slice(0, this.__wrap_point_index);
  
      next.__character_count += this.__character_count - this.__wrap_point_character_count;
      this.__character_count = this.__wrap_point_character_count;
  
      if (next.__items[0] === " ") {
        next.__items.splice(0, 1);
        next.__character_count -= 1;
      }
      return true;
    }
    return false;
  };
  
  OutputLine.prototype.is_empty = function() {
    return this.__items.length === 0;
  };
  
  OutputLine.prototype.last = function() {
    if (!this.is_empty()) {
      return this.__items[this.__items.length - 1];
    } else {
      return null;
    }
  };
  
  OutputLine.prototype.push = function(item) {
    this.__items.push(item);
    var last_newline_index = item.lastIndexOf('\n');
    if (last_newline_index !== -1) {
      this.__character_count = item.length - last_newline_index;
    } else {
      this.__character_count += item.length;
    }
  };
  
  OutputLine.prototype.pop = function() {
    var item = null;
    if (!this.is_empty()) {
      item = this.__items.pop();
      this.__character_count -= item.length;
    }
    return item;
  };
  
  
  OutputLine.prototype._remove_indent = function() {
    if (this.__indent_count > 0) {
      this.__indent_count -= 1;
      this.__character_count -= this.__parent.indent_size;
    }
  };
  
  OutputLine.prototype._remove_wrap_indent = function() {
    if (this.__wrap_point_indent_count > 0) {
      this.__wrap_point_indent_count -= 1;
    }
  };
  OutputLine.prototype.trim = function() {
    while (this.last() === ' ') {
      this.__items.pop();
      this.__character_count -= 1;
    }
  };
  
  OutputLine.prototype.toString = function() {
    var result = '';
    if (this.is_empty()) {
      if (this.__parent.indent_empty_lines) {
        result = this.__parent.get_indent_string(this.__indent_count);
      }
    } else {
      result = this.__parent.get_indent_string(this.__indent_count, this.__alignment_count);
      result += this.__items.join('');
    }
    return result;
  };
  
  function IndentStringCache(options, baseIndentString) {
    this.__cache = [''];
    this.__indent_size = options.indent_size;
    this.__indent_string = options.indent_char;
    if (!options.indent_with_tabs) {
      this.__indent_string = new Array(options.indent_size + 1).join(options.indent_char);
    }
  
    // Set to null to continue support for auto detection of base indent
    baseIndentString = baseIndentString || '';
    if (options.indent_level > 0) {
      baseIndentString = new Array(options.indent_level + 1).join(this.__indent_string);
    }
  
    this.__base_string = baseIndentString;
    this.__base_string_length = baseIndentString.length;
  }
  
  IndentStringCache.prototype.get_indent_size = function(indent, column) {
    var result = this.__base_string_length;
    column = column || 0;
    if (indent < 0) {
      result = 0;
    }
    result += indent * this.__indent_size;
    result += column;
    return result;
  };
  
  IndentStringCache.prototype.get_indent_string = function(indent_level, column) {
    var result = this.__base_string;
    column = column || 0;
    if (indent_level < 0) {
      indent_level = 0;
      result = '';
    }
    column += indent_level * this.__indent_size;
    this.__ensure_cache(column);
    result += this.__cache[column];
    return result;
  };
  
  IndentStringCache.prototype.__ensure_cache = function(column) {
    while (column >= this.__cache.length) {
      this.__add_column();
    }
  };
  
  IndentStringCache.prototype.__add_column = function() {
    var column = this.__cache.length;
    var indent = 0;
    var result = '';
    if (this.__indent_size && column >= this.__indent_size) {
      indent = Math.floor(column / this.__indent_size);
      column -= indent * this.__indent_size;
      result = new Array(indent + 1).join(this.__indent_string);
    }
    if (column) {
      result += new Array(column + 1).join(' ');
    }
  
    this.__cache.push(result);
  };
  
  function Output$3(options, baseIndentString) {
    this.__indent_cache = new IndentStringCache(options, baseIndentString);
    this.raw = false;
    this._end_with_newline = options.end_with_newline;
    this.indent_size = options.indent_size;
    this.wrap_line_length = options.wrap_line_length;
    this.indent_empty_lines = options.indent_empty_lines;
    this.__lines = [];
    this.previous_line = null;
    this.current_line = null;
    this.next_line = new OutputLine(this);
    this.space_before_token = false;
    this.non_breaking_space = false;
    this.previous_token_wrapped = false;
    // initialize
    this.__add_outputline();
  }
  
  Output$3.prototype.__add_outputline = function() {
    this.previous_line = this.current_line;
    this.current_line = this.next_line.clone_empty();
    this.__lines.push(this.current_line);
  };
  
  Output$3.prototype.get_line_number = function() {
    return this.__lines.length;
  };
  
  Output$3.prototype.get_indent_string = function(indent, column) {
    return this.__indent_cache.get_indent_string(indent, column);
  };
  
  Output$3.prototype.get_indent_size = function(indent, column) {
    return this.__indent_cache.get_indent_size(indent, column);
  };
  
  Output$3.prototype.is_empty = function() {
    return !this.previous_line && this.current_line.is_empty();
  };
  
  Output$3.prototype.add_new_line = function(force_newline) {
    // never newline at the start of file
    // otherwise, newline only if we didn't just add one or we're forced
    if (this.is_empty() ||
      (!force_newline && this.just_added_newline())) {
      return false;
    }
  
    // if raw output is enabled, don't print additional newlines,
    // but still return True as though you had
    if (!this.raw) {
      this.__add_outputline();
    }
    return true;
  };
  
  Output$3.prototype.get_code = function(eol) {
    this.trim(true);
  
    // handle some edge cases where the last tokens
    // has text that ends with newline(s)
    var last_item = this.current_line.pop();
    if (last_item) {
      if (last_item[last_item.length - 1] === '\n') {
        last_item = last_item.replace(/\n+$/g, '');
      }
      this.current_line.push(last_item);
    }
  
    if (this._end_with_newline) {
      this.__add_outputline();
    }
  
    var sweet_code = this.__lines.join('\n');
  
    if (eol !== '\n') {
      sweet_code = sweet_code.replace(/[\n]/g, eol);
    }
    return sweet_code;
  };
  
  Output$3.prototype.set_wrap_point = function() {
    this.current_line._set_wrap_point();
  };
  
  Output$3.prototype.set_indent = function(indent, alignment) {
    indent = indent || 0;
    alignment = alignment || 0;
  
    // Next line stores alignment values
    this.next_line.set_indent(indent, alignment);
  
    // Never indent your first output indent at the start of the file
    if (this.__lines.length > 1) {
      this.current_line.set_indent(indent, alignment);
      return true;
    }
  
    this.current_line.set_indent();
    return false;
  };
  
  Output$3.prototype.add_raw_token = function(token) {
    for (var x = 0; x < token.newlines; x++) {
      this.__add_outputline();
    }
    this.current_line.set_indent(-1);
    this.current_line.push(token.whitespace_before);
    this.current_line.push(token.text);
    this.space_before_token = false;
    this.non_breaking_space = false;
    this.previous_token_wrapped = false;
  };
  
  Output$3.prototype.add_token = function(printable_token) {
    this.__add_space_before_token();
    this.current_line.push(printable_token);
    this.space_before_token = false;
    this.non_breaking_space = false;
    this.previous_token_wrapped = this.current_line._allow_wrap();
  };
  
  Output$3.prototype.__add_space_before_token = function() {
    if (this.space_before_token && !this.just_added_newline()) {
      if (!this.non_breaking_space) {
        this.set_wrap_point();
      }
      this.current_line.push(' ');
    }
  };
  
  Output$3.prototype.remove_indent = function(index) {
    var output_length = this.__lines.length;
    while (index < output_length) {
      this.__lines[index]._remove_indent();
      index++;
    }
    this.current_line._remove_wrap_indent();
  };
  
  Output$3.prototype.trim = function(eat_newlines) {
    eat_newlines = (eat_newlines === undefined) ? false : eat_newlines;
  
    this.current_line.trim();
  
    while (eat_newlines && this.__lines.length > 1 &&
      this.current_line.is_empty()) {
      this.__lines.pop();
      this.current_line = this.__lines[this.__lines.length - 1];
      this.current_line.trim();
    }
  
    this.previous_line = this.__lines.length > 1 ?
      this.__lines[this.__lines.length - 2] : null;
  };
  
  Output$3.prototype.just_added_newline = function() {
    return this.current_line.is_empty();
  };
  
  Output$3.prototype.just_added_blankline = function() {
    return this.is_empty() ||
      (this.current_line.is_empty() && this.previous_line.is_empty());
  };
  
  Output$3.prototype.ensure_empty_line_above = function(starts_with, ends_with) {
    var index = this.__lines.length - 2;
    while (index >= 0) {
      var potentialEmptyLine = this.__lines[index];
      if (potentialEmptyLine.is_empty()) {
        break;
      } else if (potentialEmptyLine.item(0).indexOf(starts_with) !== 0 &&
        potentialEmptyLine.item(-1) !== ends_with) {
        this.__lines.splice(index + 1, 0, new OutputLine(this));
        this.previous_line = this.__lines[this.__lines.length - 2];
        break;
      }
      index--;
    }
  };
  
  output.Output = Output$3;
  
  var token = {};
  
  /*jshint node:true */
  
  function Token$2(type, text, newlines, whitespace_before) {
    this.type = type;
    this.text = text;
  
    // comments_before are
    // comments that have a new line before them
    // and may or may not have a newline after
    // this is a set of comments before
    this.comments_before = null; /* inline comment*/
  
  
    // this.comments_after =  new TokenStream(); // no new line before and newline after
    this.newlines = newlines || 0;
    this.whitespace_before = whitespace_before || '';
    this.parent = null;
    this.next = null;
    this.previous = null;
    this.opened = null;
    this.closed = null;
    this.directives = null;
  }
  
  
  token.Token = Token$2;
  
  var acorn$2 = {};
  
  /* jshint node: true, curly: false */
  
  (function (exports) {
  
  // acorn used char codes to squeeze the last bit of performance out
  // Beautifier is okay without that, so we're using regex
  // permit # (23), $ (36), and @ (64). @ is used in ES7 decorators.
  // 65 through 91 are uppercase letters.
  // permit _ (95).
  // 97 through 123 are lowercase letters.
  var baseASCIIidentifierStartChars = "\\x23\\x24\\x40\\x41-\\x5a\\x5f\\x61-\\x7a";
  
  // inside an identifier @ is not allowed but 0-9 are.
  var baseASCIIidentifierChars = "\\x24\\x30-\\x39\\x41-\\x5a\\x5f\\x61-\\x7a";
  
  // Big ugly regular expressions that match characters in the
  // whitespace, identifier, and identifier-start categories. These
  // are only applied when a character is found to actually have a
  // code point above 128.
  var nonASCIIidentifierStartChars = "\\xaa\\xb5\\xba\\xc0-\\xd6\\xd8-\\xf6\\xf8-\\u02c1\\u02c6-\\u02d1\\u02e0-\\u02e4\\u02ec\\u02ee\\u0370-\\u0374\\u0376\\u0377\\u037a-\\u037d\\u0386\\u0388-\\u038a\\u038c\\u038e-\\u03a1\\u03a3-\\u03f5\\u03f7-\\u0481\\u048a-\\u0527\\u0531-\\u0556\\u0559\\u0561-\\u0587\\u05d0-\\u05ea\\u05f0-\\u05f2\\u0620-\\u064a\\u066e\\u066f\\u0671-\\u06d3\\u06d5\\u06e5\\u06e6\\u06ee\\u06ef\\u06fa-\\u06fc\\u06ff\\u0710\\u0712-\\u072f\\u074d-\\u07a5\\u07b1\\u07ca-\\u07ea\\u07f4\\u07f5\\u07fa\\u0800-\\u0815\\u081a\\u0824\\u0828\\u0840-\\u0858\\u08a0\\u08a2-\\u08ac\\u0904-\\u0939\\u093d\\u0950\\u0958-\\u0961\\u0971-\\u0977\\u0979-\\u097f\\u0985-\\u098c\\u098f\\u0990\\u0993-\\u09a8\\u09aa-\\u09b0\\u09b2\\u09b6-\\u09b9\\u09bd\\u09ce\\u09dc\\u09dd\\u09df-\\u09e1\\u09f0\\u09f1\\u0a05-\\u0a0a\\u0a0f\\u0a10\\u0a13-\\u0a28\\u0a2a-\\u0a30\\u0a32\\u0a33\\u0a35\\u0a36\\u0a38\\u0a39\\u0a59-\\u0a5c\\u0a5e\\u0a72-\\u0a74\\u0a85-\\u0a8d\\u0a8f-\\u0a91\\u0a93-\\u0aa8\\u0aaa-\\u0ab0\\u0ab2\\u0ab3\\u0ab5-\\u0ab9\\u0abd\\u0ad0\\u0ae0\\u0ae1\\u0b05-\\u0b0c\\u0b0f\\u0b10\\u0b13-\\u0b28\\u0b2a-\\u0b30\\u0b32\\u0b33\\u0b35-\\u0b39\\u0b3d\\u0b5c\\u0b5d\\u0b5f-\\u0b61\\u0b71\\u0b83\\u0b85-\\u0b8a\\u0b8e-\\u0b90\\u0b92-\\u0b95\\u0b99\\u0b9a\\u0b9c\\u0b9e\\u0b9f\\u0ba3\\u0ba4\\u0ba8-\\u0baa\\u0bae-\\u0bb9\\u0bd0\\u0c05-\\u0c0c\\u0c0e-\\u0c10\\u0c12-\\u0c28\\u0c2a-\\u0c33\\u0c35-\\u0c39\\u0c3d\\u0c58\\u0c59\\u0c60\\u0c61\\u0c85-\\u0c8c\\u0c8e-\\u0c90\\u0c92-\\u0ca8\\u0caa-\\u0cb3\\u0cb5-\\u0cb9\\u0cbd\\u0cde\\u0ce0\\u0ce1\\u0cf1\\u0cf2\\u0d05-\\u0d0c\\u0d0e-\\u0d10\\u0d12-\\u0d3a\\u0d3d\\u0d4e\\u0d60\\u0d61\\u0d7a-\\u0d7f\\u0d85-\\u0d96\\u0d9a-\\u0db1\\u0db3-\\u0dbb\\u0dbd\\u0dc0-\\u0dc6\\u0e01-\\u0e30\\u0e32\\u0e33\\u0e40-\\u0e46\\u0e81\\u0e82\\u0e84\\u0e87\\u0e88\\u0e8a\\u0e8d\\u0e94-\\u0e97\\u0e99-\\u0e9f\\u0ea1-\\u0ea3\\u0ea5\\u0ea7\\u0eaa\\u0eab\\u0ead-\\u0eb0\\u0eb2\\u0eb3\\u0ebd\\u0ec0-\\u0ec4\\u0ec6\\u0edc-\\u0edf\\u0f00\\u0f40-\\u0f47\\u0f49-\\u0f6c\\u0f88-\\u0f8c\\u1000-\\u102a\\u103f\\u1050-\\u1055\\u105a-\\u105d\\u1061\\u1065\\u1066\\u106e-\\u1070\\u1075-\\u1081\\u108e\\u10a0-\\u10c5\\u10c7\\u10cd\\u10d0-\\u10fa\\u10fc-\\u1248\\u124a-\\u124d\\u1250-\\u1256\\u1258\\u125a-\\u125d\\u1260-\\u1288\\u128a-\\u128d\\u1290-\\u12b0\\u12b2-\\u12b5\\u12b8-\\u12be\\u12c0\\u12c2-\\u12c5\\u12c8-\\u12d6\\u12d8-\\u1310\\u1312-\\u1315\\u1318-\\u135a\\u1380-\\u138f\\u13a0-\\u13f4\\u1401-\\u166c\\u166f-\\u167f\\u1681-\\u169a\\u16a0-\\u16ea\\u16ee-\\u16f0\\u1700-\\u170c\\u170e-\\u1711\\u1720-\\u1731\\u1740-\\u1751\\u1760-\\u176c\\u176e-\\u1770\\u1780-\\u17b3\\u17d7\\u17dc\\u1820-\\u1877\\u1880-\\u18a8\\u18aa\\u18b0-\\u18f5\\u1900-\\u191c\\u1950-\\u196d\\u1970-\\u1974\\u1980-\\u19ab\\u19c1-\\u19c7\\u1a00-\\u1a16\\u1a20-\\u1a54\\u1aa7\\u1b05-\\u1b33\\u1b45-\\u1b4b\\u1b83-\\u1ba0\\u1bae\\u1baf\\u1bba-\\u1be5\\u1c00-\\u1c23\\u1c4d-\\u1c4f\\u1c5a-\\u1c7d\\u1ce9-\\u1cec\\u1cee-\\u1cf1\\u1cf5\\u1cf6\\u1d00-\\u1dbf\\u1e00-\\u1f15\\u1f18-\\u1f1d\\u1f20-\\u1f45\\u1f48-\\u1f4d\\u1f50-\\u1f57\\u1f59\\u1f5b\\u1f5d\\u1f5f-\\u1f7d\\u1f80-\\u1fb4\\u1fb6-\\u1fbc\\u1fbe\\u1fc2-\\u1fc4\\u1fc6-\\u1fcc\\u1fd0-\\u1fd3\\u1fd6-\\u1fdb\\u1fe0-\\u1fec\\u1ff2-\\u1ff4\\u1ff6-\\u1ffc\\u2071\\u207f\\u2090-\\u209c\\u2102\\u2107\\u210a-\\u2113\\u2115\\u2119-\\u211d\\u2124\\u2126\\u2128\\u212a-\\u212d\\u212f-\\u2139\\u213c-\\u213f\\u2145-\\u2149\\u214e\\u2160-\\u2188\\u2c00-\\u2c2e\\u2c30-\\u2c5e\\u2c60-\\u2ce4\\u2ceb-\\u2cee\\u2cf2\\u2cf3\\u2d00-\\u2d25\\u2d27\\u2d2d\\u2d30-\\u2d67\\u2d6f\\u2d80-\\u2d96\\u2da0-\\u2da6\\u2da8-\\u2dae\\u2db0-\\u2db6\\u2db8-\\u2dbe\\u2dc0-\\u2dc6\\u2dc8-\\u2dce\\u2dd0-\\u2dd6\\u2dd8-\\u2dde\\u2e2f\\u3005-\\u3007\\u3021-\\u3029\\u3031-\\u3035\\u3038-\\u303c\\u3041-\\u3096\\u309d-\\u309f\\u30a1-\\u30fa\\u30fc-\\u30ff\\u3105-\\u312d\\u3131-\\u318e\\u31a0-\\u31ba\\u31f0-\\u31ff\\u3400-\\u4db5\\u4e00-\\u9fcc\\ua000-\\ua48c\\ua4d0-\\ua4fd\\ua500-\\ua60c\\ua610-\\ua61f\\ua62a\\ua62b\\ua640-\\ua66e\\ua67f-\\ua697\\ua6a0-\\ua6ef\\ua717-\\ua71f\\ua722-\\ua788\\ua78b-\\ua78e\\ua790-\\ua793\\ua7a0-\\ua7aa\\ua7f8-\\ua801\\ua803-\\ua805\\ua807-\\ua80a\\ua80c-\\ua822\\ua840-\\ua873\\ua882-\\ua8b3\\ua8f2-\\ua8f7\\ua8fb\\ua90a-\\ua925\\ua930-\\ua946\\ua960-\\ua97c\\ua984-\\ua9b2\\ua9cf\\uaa00-\\uaa28\\uaa40-\\uaa42\\uaa44-\\uaa4b\\uaa60-\\uaa76\\uaa7a\\uaa80-\\uaaaf\\uaab1\\uaab5\\uaab6\\uaab9-\\uaabd\\uaac0\\uaac2\\uaadb-\\uaadd\\uaae0-\\uaaea\\uaaf2-\\uaaf4\\uab01-\\uab06\\uab09-\\uab0e\\uab11-\\uab16\\uab20-\\uab26\\uab28-\\uab2e\\uabc0-\\uabe2\\uac00-\\ud7a3\\ud7b0-\\ud7c6\\ud7cb-\\ud7fb\\uf900-\\ufa6d\\ufa70-\\ufad9\\ufb00-\\ufb06\\ufb13-\\ufb17\\ufb1d\\ufb1f-\\ufb28\\ufb2a-\\ufb36\\ufb38-\\ufb3c\\ufb3e\\ufb40\\ufb41\\ufb43\\ufb44\\ufb46-\\ufbb1\\ufbd3-\\ufd3d\\ufd50-\\ufd8f\\ufd92-\\ufdc7\\ufdf0-\\ufdfb\\ufe70-\\ufe74\\ufe76-\\ufefc\\uff21-\\uff3a\\uff41-\\uff5a\\uff66-\\uffbe\\uffc2-\\uffc7\\uffca-\\uffcf\\uffd2-\\uffd7\\uffda-\\uffdc";
  var nonASCIIidentifierChars = "\\u0300-\\u036f\\u0483-\\u0487\\u0591-\\u05bd\\u05bf\\u05c1\\u05c2\\u05c4\\u05c5\\u05c7\\u0610-\\u061a\\u0620-\\u0649\\u0672-\\u06d3\\u06e7-\\u06e8\\u06fb-\\u06fc\\u0730-\\u074a\\u0800-\\u0814\\u081b-\\u0823\\u0825-\\u0827\\u0829-\\u082d\\u0840-\\u0857\\u08e4-\\u08fe\\u0900-\\u0903\\u093a-\\u093c\\u093e-\\u094f\\u0951-\\u0957\\u0962-\\u0963\\u0966-\\u096f\\u0981-\\u0983\\u09bc\\u09be-\\u09c4\\u09c7\\u09c8\\u09d7\\u09df-\\u09e0\\u0a01-\\u0a03\\u0a3c\\u0a3e-\\u0a42\\u0a47\\u0a48\\u0a4b-\\u0a4d\\u0a51\\u0a66-\\u0a71\\u0a75\\u0a81-\\u0a83\\u0abc\\u0abe-\\u0ac5\\u0ac7-\\u0ac9\\u0acb-\\u0acd\\u0ae2-\\u0ae3\\u0ae6-\\u0aef\\u0b01-\\u0b03\\u0b3c\\u0b3e-\\u0b44\\u0b47\\u0b48\\u0b4b-\\u0b4d\\u0b56\\u0b57\\u0b5f-\\u0b60\\u0b66-\\u0b6f\\u0b82\\u0bbe-\\u0bc2\\u0bc6-\\u0bc8\\u0bca-\\u0bcd\\u0bd7\\u0be6-\\u0bef\\u0c01-\\u0c03\\u0c46-\\u0c48\\u0c4a-\\u0c4d\\u0c55\\u0c56\\u0c62-\\u0c63\\u0c66-\\u0c6f\\u0c82\\u0c83\\u0cbc\\u0cbe-\\u0cc4\\u0cc6-\\u0cc8\\u0cca-\\u0ccd\\u0cd5\\u0cd6\\u0ce2-\\u0ce3\\u0ce6-\\u0cef\\u0d02\\u0d03\\u0d46-\\u0d48\\u0d57\\u0d62-\\u0d63\\u0d66-\\u0d6f\\u0d82\\u0d83\\u0dca\\u0dcf-\\u0dd4\\u0dd6\\u0dd8-\\u0ddf\\u0df2\\u0df3\\u0e34-\\u0e3a\\u0e40-\\u0e45\\u0e50-\\u0e59\\u0eb4-\\u0eb9\\u0ec8-\\u0ecd\\u0ed0-\\u0ed9\\u0f18\\u0f19\\u0f20-\\u0f29\\u0f35\\u0f37\\u0f39\\u0f41-\\u0f47\\u0f71-\\u0f84\\u0f86-\\u0f87\\u0f8d-\\u0f97\\u0f99-\\u0fbc\\u0fc6\\u1000-\\u1029\\u1040-\\u1049\\u1067-\\u106d\\u1071-\\u1074\\u1082-\\u108d\\u108f-\\u109d\\u135d-\\u135f\\u170e-\\u1710\\u1720-\\u1730\\u1740-\\u1750\\u1772\\u1773\\u1780-\\u17b2\\u17dd\\u17e0-\\u17e9\\u180b-\\u180d\\u1810-\\u1819\\u1920-\\u192b\\u1930-\\u193b\\u1951-\\u196d\\u19b0-\\u19c0\\u19c8-\\u19c9\\u19d0-\\u19d9\\u1a00-\\u1a15\\u1a20-\\u1a53\\u1a60-\\u1a7c\\u1a7f-\\u1a89\\u1a90-\\u1a99\\u1b46-\\u1b4b\\u1b50-\\u1b59\\u1b6b-\\u1b73\\u1bb0-\\u1bb9\\u1be6-\\u1bf3\\u1c00-\\u1c22\\u1c40-\\u1c49\\u1c5b-\\u1c7d\\u1cd0-\\u1cd2\\u1d00-\\u1dbe\\u1e01-\\u1f15\\u200c\\u200d\\u203f\\u2040\\u2054\\u20d0-\\u20dc\\u20e1\\u20e5-\\u20f0\\u2d81-\\u2d96\\u2de0-\\u2dff\\u3021-\\u3028\\u3099\\u309a\\ua640-\\ua66d\\ua674-\\ua67d\\ua69f\\ua6f0-\\ua6f1\\ua7f8-\\ua800\\ua806\\ua80b\\ua823-\\ua827\\ua880-\\ua881\\ua8b4-\\ua8c4\\ua8d0-\\ua8d9\\ua8f3-\\ua8f7\\ua900-\\ua909\\ua926-\\ua92d\\ua930-\\ua945\\ua980-\\ua983\\ua9b3-\\ua9c0\\uaa00-\\uaa27\\uaa40-\\uaa41\\uaa4c-\\uaa4d\\uaa50-\\uaa59\\uaa7b\\uaae0-\\uaae9\\uaaf2-\\uaaf3\\uabc0-\\uabe1\\uabec\\uabed\\uabf0-\\uabf9\\ufb20-\\ufb28\\ufe00-\\ufe0f\\ufe20-\\ufe26\\ufe33\\ufe34\\ufe4d-\\ufe4f\\uff10-\\uff19\\uff3f";
  //var nonASCIIidentifierStart = new RegExp("[" + nonASCIIidentifierStartChars + "]");
  //var nonASCIIidentifier = new RegExp("[" + nonASCIIidentifierStartChars + nonASCIIidentifierChars + "]");
  
  var identifierStart = "(?:\\\\u[0-9a-fA-F]{4}|[" + baseASCIIidentifierStartChars + nonASCIIidentifierStartChars + "])";
  var identifierChars = "(?:\\\\u[0-9a-fA-F]{4}|[" + baseASCIIidentifierChars + nonASCIIidentifierStartChars + nonASCIIidentifierChars + "])*";
  
  exports.identifier = new RegExp(identifierStart + identifierChars, 'g');
  exports.identifierStart = new RegExp(identifierStart);
  exports.identifierMatch = new RegExp("(?:\\\\u[0-9a-fA-F]{4}|[" + baseASCIIidentifierChars + nonASCIIidentifierStartChars + nonASCIIidentifierChars + "])+");
  
  // Whether a single character denotes a newline.
  
  exports.newline = /[\n\r\u2028\u2029]/;
  
  // Matches a whole line break (where CRLF is considered a single
  // line break). Used to count lines.
  
  // in javascript, these two differ
  // in python they are the same, different methods are called on them
  exports.lineBreak = new RegExp('\r\n|' + exports.newline.source);
  exports.allLineBreaks = new RegExp(exports.lineBreak.source, 'g');
  }(acorn$2));
  
  var options$3 = {};
  
  var options$2 = {};
  
  /*jshint node:true */
  
  function Options$9(options, merge_child_field) {
    this.raw_options = _mergeOpts(options, merge_child_field);
  
    // Support passing the source text back with no change
    this.disabled = this._get_boolean('disabled');
  
    this.eol = this._get_characters('eol', 'auto');
    this.end_with_newline = this._get_boolean('end_with_newline');
    this.indent_size = this._get_number('indent_size', 4);
    this.indent_char = this._get_characters('indent_char', ' ');
    this.indent_level = this._get_number('indent_level');
  
    this.preserve_newlines = this._get_boolean('preserve_newlines', true);
    this.max_preserve_newlines = this._get_number('max_preserve_newlines', 32786);
    if (!this.preserve_newlines) {
      this.max_preserve_newlines = 0;
    }
  
    this.indent_with_tabs = this._get_boolean('indent_with_tabs', this.indent_char === '\t');
    if (this.indent_with_tabs) {
      this.indent_char = '\t';
  
      // indent_size behavior changed after 1.8.6
      // It used to be that indent_size would be
      // set to 1 for indent_with_tabs. That is no longer needed and
      // actually doesn't make sense - why not use spaces? Further,
      // that might produce unexpected behavior - tabs being used
      // for single-column alignment. So, when indent_with_tabs is true
      // and indent_size is 1, reset indent_size to 4.
      if (this.indent_size === 1) {
        this.indent_size = 4;
      }
    }
  
    // Backwards compat with 1.3.x
    this.wrap_line_length = this._get_number('wrap_line_length', this._get_number('max_char'));
  
    this.indent_empty_lines = this._get_boolean('indent_empty_lines');
  
    // valid templating languages ['django', 'erb', 'handlebars', 'php', 'smarty']
    // For now, 'auto' = all off for javascript, all on for html (and inline javascript).
    // other values ignored
    this.templating = this._get_selection_list('templating', ['auto', 'none', 'django', 'erb', 'handlebars', 'php', 'smarty'], ['auto']);
  }
  
  Options$9.prototype._get_array = function(name, default_value) {
    var option_value = this.raw_options[name];
    var result = default_value || [];
    if (typeof option_value === 'object') {
      if (option_value !== null && typeof option_value.concat === 'function') {
        result = option_value.concat();
      }
    } else if (typeof option_value === 'string') {
      result = option_value.split(/[^a-zA-Z0-9_\/\-]+/);
    }
    return result;
  };
  
  Options$9.prototype._get_boolean = function(name, default_value) {
    var option_value = this.raw_options[name];
    var result = option_value === undefined ? !!default_value : !!option_value;
    return result;
  };
  
  Options$9.prototype._get_characters = function(name, default_value) {
    var option_value = this.raw_options[name];
    var result = default_value || '';
    if (typeof option_value === 'string') {
      result = option_value.replace(/\\r/, '\r').replace(/\\n/, '\n').replace(/\\t/, '\t');
    }
    return result;
  };
  
  Options$9.prototype._get_number = function(name, default_value) {
    var option_value = this.raw_options[name];
    default_value = parseInt(default_value, 10);
    if (isNaN(default_value)) {
      default_value = 0;
    }
    var result = parseInt(option_value, 10);
    if (isNaN(result)) {
      result = default_value;
    }
    return result;
  };
  
  Options$9.prototype._get_selection = function(name, selection_list, default_value) {
    var result = this._get_selection_list(name, selection_list, default_value);
    if (result.length !== 1) {
      throw new Error(
        "Invalid Option Value: The option '" + name + "' can only be one of the following values:\n" +
        selection_list + "\nYou passed in: '" + this.raw_options[name] + "'");
    }
  
    return result[0];
  };
  
  
  Options$9.prototype._get_selection_list = function(name, selection_list, default_value) {
    if (!selection_list || selection_list.length === 0) {
      throw new Error("Selection list cannot be empty.");
    }
  
    default_value = default_value || [selection_list[0]];
    if (!this._is_valid_selection(default_value, selection_list)) {
      throw new Error("Invalid Default Value!");
    }
  
    var result = this._get_array(name, default_value);
    if (!this._is_valid_selection(result, selection_list)) {
      throw new Error(
        "Invalid Option Value: The option '" + name + "' can contain only the following values:\n" +
        selection_list + "\nYou passed in: '" + this.raw_options[name] + "'");
    }
  
    return result;
  };
  
  Options$9.prototype._is_valid_selection = function(result, selection_list) {
    return result.length && selection_list.length &&
      !result.some(function(item) { return selection_list.indexOf(item) === -1; });
  };
  
  
  // merges child options up with the parent options object
  // Example: obj = {a: 1, b: {a: 2}}
  //          mergeOpts(obj, 'b')
  //
  //          Returns: {a: 2}
  function _mergeOpts(allOptions, childFieldName) {
    var finalOpts = {};
    allOptions = _normalizeOpts(allOptions);
    var name;
  
    for (name in allOptions) {
      if (name !== childFieldName) {
        finalOpts[name] = allOptions[name];
      }
    }
  
    //merge in the per type settings for the childFieldName
    if (childFieldName && allOptions[childFieldName]) {
      for (name in allOptions[childFieldName]) {
        finalOpts[name] = allOptions[childFieldName][name];
      }
    }
    return finalOpts;
  }
  
  function _normalizeOpts(options) {
    var convertedOpts = {};
    var key;
  
    for (key in options) {
      var newKey = key.replace(/-/g, "_");
      convertedOpts[newKey] = options[key];
    }
    return convertedOpts;
  }
  
  options$2.Options = Options$9;
  options$2.normalizeOpts = _normalizeOpts;
  options$2.mergeOpts = _mergeOpts;
  
  /*jshint node:true */
  
  var BaseOptions$2 = options$2.Options;
  
  var validPositionValues$1 = ['before-newline', 'after-newline', 'preserve-newline'];
  
  function Options$8(options) {
    BaseOptions$2.call(this, options, 'js');
  
    // compatibility, re
    var raw_brace_style = this.raw_options.brace_style || null;
    if (raw_brace_style === "expand-strict") { //graceful handling of deprecated option
      this.raw_options.brace_style = "expand";
    } else if (raw_brace_style === "collapse-preserve-inline") { //graceful handling of deprecated option
      this.raw_options.brace_style = "collapse,preserve-inline";
    } else if (this.raw_options.braces_on_own_line !== undefined) { //graceful handling of deprecated option
      this.raw_options.brace_style = this.raw_options.braces_on_own_line ? "expand" : "collapse";
      // } else if (!raw_brace_style) { //Nothing exists to set it
      //   raw_brace_style = "collapse";
    }
  
    //preserve-inline in delimited string will trigger brace_preserve_inline, everything
    //else is considered a brace_style and the last one only will have an effect
  
    var brace_style_split = this._get_selection_list('brace_style', ['collapse', 'expand', 'end-expand', 'none', 'preserve-inline']);
  
    this.brace_preserve_inline = false; //Defaults in case one or other was not specified in meta-option
    this.brace_style = "collapse";
  
    for (var bs = 0; bs < brace_style_split.length; bs++) {
      if (brace_style_split[bs] === "preserve-inline") {
        this.brace_preserve_inline = true;
      } else {
        this.brace_style = brace_style_split[bs];
      }
    }
  
    this.unindent_chained_methods = this._get_boolean('unindent_chained_methods');
    this.break_chained_methods = this._get_boolean('break_chained_methods');
    this.space_in_paren = this._get_boolean('space_in_paren');
    this.space_in_empty_paren = this._get_boolean('space_in_empty_paren');
    this.jslint_happy = this._get_boolean('jslint_happy');
    this.space_after_anon_function = this._get_boolean('space_after_anon_function');
    this.space_after_named_function = this._get_boolean('space_after_named_function');
    this.keep_array_indentation = this._get_boolean('keep_array_indentation');
    this.space_before_conditional = this._get_boolean('space_before_conditional', true);
    this.unescape_strings = this._get_boolean('unescape_strings');
    this.e4x = this._get_boolean('e4x');
    this.comma_first = this._get_boolean('comma_first');
    this.operator_position = this._get_selection('operator_position', validPositionValues$1);
  
    // For testing of beautify preserve:start directive
    this.test_output_raw = this._get_boolean('test_output_raw');
  
    // force this._options.space_after_anon_function to true if this._options.jslint_happy
    if (this.jslint_happy) {
      this.space_after_anon_function = true;
    }
  
  }
  Options$8.prototype = new BaseOptions$2();
  
  
  
  options$3.Options = Options$8;
  
  var tokenizer$2 = {};
  
  var inputscanner = {};
  
  /*jshint node:true */
  
  var regexp_has_sticky = RegExp.prototype.hasOwnProperty('sticky');
  
  function InputScanner$3(input_string) {
    this.__input = input_string || '';
    this.__input_length = this.__input.length;
    this.__position = 0;
  }
  
  InputScanner$3.prototype.restart = function() {
    this.__position = 0;
  };
  
  InputScanner$3.prototype.back = function() {
    if (this.__position > 0) {
      this.__position -= 1;
    }
  };
  
  InputScanner$3.prototype.hasNext = function() {
    return this.__position < this.__input_length;
  };
  
  InputScanner$3.prototype.next = function() {
    var val = null;
    if (this.hasNext()) {
      val = this.__input.charAt(this.__position);
      this.__position += 1;
    }
    return val;
  };
  
  InputScanner$3.prototype.peek = function(index) {
    var val = null;
    index = index || 0;
    index += this.__position;
    if (index >= 0 && index < this.__input_length) {
      val = this.__input.charAt(index);
    }
    return val;
  };
  
  // This is a JavaScript only helper function (not in python)
  // Javascript doesn't have a match method
  // and not all implementation support "sticky" flag.
  // If they do not support sticky then both this.match() and this.test() method
  // must get the match and check the index of the match.
  // If sticky is supported and set, this method will use it.
  // Otherwise it will check that global is set, and fall back to the slower method.
  InputScanner$3.prototype.__match = function(pattern, index) {
    pattern.lastIndex = index;
    var pattern_match = pattern.exec(this.__input);
  
    if (pattern_match && !(regexp_has_sticky && pattern.sticky)) {
      if (pattern_match.index !== index) {
        pattern_match = null;
      }
    }
  
    return pattern_match;
  };
  
  InputScanner$3.prototype.test = function(pattern, index) {
    index = index || 0;
    index += this.__position;
  
    if (index >= 0 && index < this.__input_length) {
      return !!this.__match(pattern, index);
    } else {
      return false;
    }
  };
  
  InputScanner$3.prototype.testChar = function(pattern, index) {
    // test one character regex match
    var val = this.peek(index);
    pattern.lastIndex = 0;
    return val !== null && pattern.test(val);
  };
  
  InputScanner$3.prototype.match = function(pattern) {
    var pattern_match = this.__match(pattern, this.__position);
    if (pattern_match) {
      this.__position += pattern_match[0].length;
    } else {
      pattern_match = null;
    }
    return pattern_match;
  };
  
  InputScanner$3.prototype.read = function(starting_pattern, until_pattern, until_after) {
    var val = '';
    var match;
    if (starting_pattern) {
      match = this.match(starting_pattern);
      if (match) {
        val += match[0];
      }
    }
    if (until_pattern && (match || !starting_pattern)) {
      val += this.readUntil(until_pattern, until_after);
    }
    return val;
  };
  
  InputScanner$3.prototype.readUntil = function(pattern, until_after) {
    var val = '';
    var match_index = this.__position;
    pattern.lastIndex = this.__position;
    var pattern_match = pattern.exec(this.__input);
    if (pattern_match) {
      match_index = pattern_match.index;
      if (until_after) {
        match_index += pattern_match[0].length;
      }
    } else {
      match_index = this.__input_length;
    }
  
    val = this.__input.substring(this.__position, match_index);
    this.__position = match_index;
    return val;
  };
  
  InputScanner$3.prototype.readUntilAfter = function(pattern) {
    return this.readUntil(pattern, true);
  };
  
  InputScanner$3.prototype.get_regexp = function(pattern, match_from) {
    var result = null;
    var flags = 'g';
    if (match_from && regexp_has_sticky) {
      flags = 'y';
    }
    // strings are converted to regexp
    if (typeof pattern === "string" && pattern !== '') {
      // result = new RegExp(pattern.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&'), flags);
      result = new RegExp(pattern, flags);
    } else if (pattern) {
      result = new RegExp(pattern.source, flags);
    }
    return result;
  };
  
  InputScanner$3.prototype.get_literal_regexp = function(literal_string) {
    return RegExp(literal_string.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&'));
  };
  
  /* css beautifier legacy helpers */
  InputScanner$3.prototype.peekUntilAfter = function(pattern) {
    var start = this.__position;
    var val = this.readUntilAfter(pattern);
    this.__position = start;
    return val;
  };
  
  InputScanner$3.prototype.lookBack = function(testVal) {
    var start = this.__position - 1;
    return start >= testVal.length && this.__input.substring(start - testVal.length, start)
      .toLowerCase() === testVal;
  };
  
  inputscanner.InputScanner = InputScanner$3;
  
  var tokenizer$1 = {};
  
  var tokenstream = {};
  
  /*jshint node:true */
  
  function TokenStream$1(parent_token) {
    // private
    this.__tokens = [];
    this.__tokens_length = this.__tokens.length;
    this.__position = 0;
    this.__parent_token = parent_token;
  }
  
  TokenStream$1.prototype.restart = function() {
    this.__position = 0;
  };
  
  TokenStream$1.prototype.isEmpty = function() {
    return this.__tokens_length === 0;
  };
  
  TokenStream$1.prototype.hasNext = function() {
    return this.__position < this.__tokens_length;
  };
  
  TokenStream$1.prototype.next = function() {
    var val = null;
    if (this.hasNext()) {
      val = this.__tokens[this.__position];
      this.__position += 1;
    }
    return val;
  };
  
  TokenStream$1.prototype.peek = function(index) {
    var val = null;
    index = index || 0;
    index += this.__position;
    if (index >= 0 && index < this.__tokens_length) {
      val = this.__tokens[index];
    }
    return val;
  };
  
  TokenStream$1.prototype.add = function(token) {
    if (this.__parent_token) {
      token.parent = this.__parent_token;
    }
    this.__tokens.push(token);
    this.__tokens_length += 1;
  };
  
  tokenstream.TokenStream = TokenStream$1;
  
  var whitespacepattern = {};
  
  var pattern = {};
  
  /*jshint node:true */
  
  function Pattern$4(input_scanner, parent) {
    this._input = input_scanner;
    this._starting_pattern = null;
    this._match_pattern = null;
    this._until_pattern = null;
    this._until_after = false;
  
    if (parent) {
      this._starting_pattern = this._input.get_regexp(parent._starting_pattern, true);
      this._match_pattern = this._input.get_regexp(parent._match_pattern, true);
      this._until_pattern = this._input.get_regexp(parent._until_pattern);
      this._until_after = parent._until_after;
    }
  }
  
  Pattern$4.prototype.read = function() {
    var result = this._input.read(this._starting_pattern);
    if (!this._starting_pattern || result) {
      result += this._input.read(this._match_pattern, this._until_pattern, this._until_after);
    }
    return result;
  };
  
  Pattern$4.prototype.read_match = function() {
    return this._input.match(this._match_pattern);
  };
  
  Pattern$4.prototype.until_after = function(pattern) {
    var result = this._create();
    result._until_after = true;
    result._until_pattern = this._input.get_regexp(pattern);
    result._update();
    return result;
  };
  
  Pattern$4.prototype.until = function(pattern) {
    var result = this._create();
    result._until_after = false;
    result._until_pattern = this._input.get_regexp(pattern);
    result._update();
    return result;
  };
  
  Pattern$4.prototype.starting_with = function(pattern) {
    var result = this._create();
    result._starting_pattern = this._input.get_regexp(pattern, true);
    result._update();
    return result;
  };
  
  Pattern$4.prototype.matching = function(pattern) {
    var result = this._create();
    result._match_pattern = this._input.get_regexp(pattern, true);
    result._update();
    return result;
  };
  
  Pattern$4.prototype._create = function() {
    return new Pattern$4(this._input, this);
  };
  
  Pattern$4.prototype._update = function() {};
  
  pattern.Pattern = Pattern$4;
  
  /*jshint node:true */
  
  var Pattern$3 = pattern.Pattern;
  
  function WhitespacePattern$1(input_scanner, parent) {
    Pattern$3.call(this, input_scanner, parent);
    if (parent) {
      this._line_regexp = this._input.get_regexp(parent._line_regexp);
    } else {
      this.__set_whitespace_patterns('', '');
    }
  
    this.newline_count = 0;
    this.whitespace_before_token = '';
  }
  WhitespacePattern$1.prototype = new Pattern$3();
  
  WhitespacePattern$1.prototype.__set_whitespace_patterns = function(whitespace_chars, newline_chars) {
    whitespace_chars += '\\t ';
    newline_chars += '\\n\\r';
  
    this._match_pattern = this._input.get_regexp(
      '[' + whitespace_chars + newline_chars + ']+', true);
    this._newline_regexp = this._input.get_regexp(
      '\\r\\n|[' + newline_chars + ']');
  };
  
  WhitespacePattern$1.prototype.read = function() {
    this.newline_count = 0;
    this.whitespace_before_token = '';
  
    var resulting_string = this._input.read(this._match_pattern);
    if (resulting_string === ' ') {
      this.whitespace_before_token = ' ';
    } else if (resulting_string) {
      var matches = this.__split(this._newline_regexp, resulting_string);
      this.newline_count = matches.length - 1;
      this.whitespace_before_token = matches[this.newline_count];
    }
  
    return resulting_string;
  };
  
  WhitespacePattern$1.prototype.matching = function(whitespace_chars, newline_chars) {
    var result = this._create();
    result.__set_whitespace_patterns(whitespace_chars, newline_chars);
    result._update();
    return result;
  };
  
  WhitespacePattern$1.prototype._create = function() {
    return new WhitespacePattern$1(this._input, this);
  };
  
  WhitespacePattern$1.prototype.__split = function(regexp, input_string) {
    regexp.lastIndex = 0;
    var start_index = 0;
    var result = [];
    var next_match = regexp.exec(input_string);
    while (next_match) {
      result.push(input_string.substring(start_index, next_match.index));
      start_index = next_match.index + next_match[0].length;
      next_match = regexp.exec(input_string);
    }
  
    if (start_index < input_string.length) {
      result.push(input_string.substring(start_index, input_string.length));
    } else {
      result.push('');
    }
  
    return result;
  };
  
  
  
  whitespacepattern.WhitespacePattern = WhitespacePattern$1;
  
  /*jshint node:true */
  
  var InputScanner$2 = inputscanner.InputScanner;
  var Token$1 = token.Token;
  var TokenStream = tokenstream.TokenStream;
  var WhitespacePattern = whitespacepattern.WhitespacePattern;
  
  var TOKEN$4 = {
    START: 'TK_START',
    RAW: 'TK_RAW',
    EOF: 'TK_EOF'
  };
  
  var Tokenizer$4 = function(input_string, options) {
    this._input = new InputScanner$2(input_string);
    this._options = options || {};
    this.__tokens = null;
  
    this._patterns = {};
    this._patterns.whitespace = new WhitespacePattern(this._input);
  };
  
  Tokenizer$4.prototype.tokenize = function() {
    this._input.restart();
    this.__tokens = new TokenStream();
  
    this._reset();
  
    var current;
    var previous = new Token$1(TOKEN$4.START, '');
    var open_token = null;
    var open_stack = [];
    var comments = new TokenStream();
  
    while (previous.type !== TOKEN$4.EOF) {
      current = this._get_next_token(previous, open_token);
      while (this._is_comment(current)) {
        comments.add(current);
        current = this._get_next_token(previous, open_token);
      }
  
      if (!comments.isEmpty()) {
        current.comments_before = comments;
        comments = new TokenStream();
      }
  
      current.parent = open_token;
  
      if (this._is_opening(current)) {
        open_stack.push(open_token);
        open_token = current;
      } else if (open_token && this._is_closing(current, open_token)) {
        current.opened = open_token;
        open_token.closed = current;
        open_token = open_stack.pop();
        current.parent = open_token;
      }
  
      current.previous = previous;
      previous.next = current;
  
      this.__tokens.add(current);
      previous = current;
    }
  
    return this.__tokens;
  };
  
  
  Tokenizer$4.prototype._is_first_token = function() {
    return this.__tokens.isEmpty();
  };
  
  Tokenizer$4.prototype._reset = function() {};
  
  Tokenizer$4.prototype._get_next_token = function(previous_token, open_token) { // jshint unused:false
    this._readWhitespace();
    var resulting_string = this._input.read(/.+/g);
    if (resulting_string) {
      return this._create_token(TOKEN$4.RAW, resulting_string);
    } else {
      return this._create_token(TOKEN$4.EOF, '');
    }
  };
  
  Tokenizer$4.prototype._is_comment = function(current_token) { // jshint unused:false
    return false;
  };
  
  Tokenizer$4.prototype._is_opening = function(current_token) { // jshint unused:false
    return false;
  };
  
  Tokenizer$4.prototype._is_closing = function(current_token, open_token) { // jshint unused:false
    return false;
  };
  
  Tokenizer$4.prototype._create_token = function(type, text) {
    var token = new Token$1(type, text,
      this._patterns.whitespace.newline_count,
      this._patterns.whitespace.whitespace_before_token);
    return token;
  };
  
  Tokenizer$4.prototype._readWhitespace = function() {
    return this._patterns.whitespace.read();
  };
  
  
  
  tokenizer$1.Tokenizer = Tokenizer$4;
  tokenizer$1.TOKEN = TOKEN$4;
  
  var directives = {};
  
  /*jshint node:true */
  
  function Directives$3(start_block_pattern, end_block_pattern) {
    start_block_pattern = typeof start_block_pattern === 'string' ? start_block_pattern : start_block_pattern.source;
    end_block_pattern = typeof end_block_pattern === 'string' ? end_block_pattern : end_block_pattern.source;
    this.__directives_block_pattern = new RegExp(start_block_pattern + / beautify( \w+[:]\w+)+ /.source + end_block_pattern, 'g');
    this.__directive_pattern = / (\w+)[:](\w+)/g;
  
    this.__directives_end_ignore_pattern = new RegExp(start_block_pattern + /\sbeautify\signore:end\s/.source + end_block_pattern, 'g');
  }
  
  Directives$3.prototype.get_directives = function(text) {
    if (!text.match(this.__directives_block_pattern)) {
      return null;
    }
  
    var directives = {};
    this.__directive_pattern.lastIndex = 0;
    var directive_match = this.__directive_pattern.exec(text);
  
    while (directive_match) {
      directives[directive_match[1]] = directive_match[2];
      directive_match = this.__directive_pattern.exec(text);
    }
  
    return directives;
  };
  
  Directives$3.prototype.readIgnored = function(input) {
    return input.readUntilAfter(this.__directives_end_ignore_pattern);
  };
  
  
  directives.Directives = Directives$3;
  
  var templatablepattern = {};
  
  /*jshint node:true */
  
  var Pattern$2 = pattern.Pattern;
  
  
  var template_names = {
    django: false,
    erb: false,
    handlebars: false,
    php: false,
    smarty: false
  };
  
  // This lets templates appear anywhere we would do a readUntil
  // The cost is higher but it is pay to play.
  function TemplatablePattern$2(input_scanner, parent) {
    Pattern$2.call(this, input_scanner, parent);
    this.__template_pattern = null;
    this._disabled = Object.assign({}, template_names);
    this._excluded = Object.assign({}, template_names);
  
    if (parent) {
      this.__template_pattern = this._input.get_regexp(parent.__template_pattern);
      this._excluded = Object.assign(this._excluded, parent._excluded);
      this._disabled = Object.assign(this._disabled, parent._disabled);
    }
    var pattern = new Pattern$2(input_scanner);
    this.__patterns = {
      handlebars_comment: pattern.starting_with(/{{!--/).until_after(/--}}/),
      handlebars_unescaped: pattern.starting_with(/{{{/).until_after(/}}}/),
      handlebars: pattern.starting_with(/{{/).until_after(/}}/),
      php: pattern.starting_with(/<\?(?:[= ]|php)/).until_after(/\?>/),
      erb: pattern.starting_with(/<%[^%]/).until_after(/[^%]%>/),
      // django coflicts with handlebars a bit.
      django: pattern.starting_with(/{%/).until_after(/%}/),
      django_value: pattern.starting_with(/{{/).until_after(/}}/),
      django_comment: pattern.starting_with(/{#/).until_after(/#}/),
      smarty: pattern.starting_with(/{(?=[^}{\s\n])/).until_after(/[^\s\n]}/),
      smarty_comment: pattern.starting_with(/{\*/).until_after(/\*}/),
      smarty_literal: pattern.starting_with(/{literal}/).until_after(/{\/literal}/)
    };
  }
  TemplatablePattern$2.prototype = new Pattern$2();
  
  TemplatablePattern$2.prototype._create = function() {
    return new TemplatablePattern$2(this._input, this);
  };
  
  TemplatablePattern$2.prototype._update = function() {
    this.__set_templated_pattern();
  };
  
  TemplatablePattern$2.prototype.disable = function(language) {
    var result = this._create();
    result._disabled[language] = true;
    result._update();
    return result;
  };
  
  TemplatablePattern$2.prototype.read_options = function(options) {
    var result = this._create();
    for (var language in template_names) {
      result._disabled[language] = options.templating.indexOf(language) === -1;
    }
    result._update();
    return result;
  };
  
  TemplatablePattern$2.prototype.exclude = function(language) {
    var result = this._create();
    result._excluded[language] = true;
    result._update();
    return result;
  };
  
  TemplatablePattern$2.prototype.read = function() {
    var result = '';
    if (this._match_pattern) {
      result = this._input.read(this._starting_pattern);
    } else {
      result = this._input.read(this._starting_pattern, this.__template_pattern);
    }
    var next = this._read_template();
    while (next) {
      if (this._match_pattern) {
        next += this._input.read(this._match_pattern);
      } else {
        next += this._input.readUntil(this.__template_pattern);
      }
      result += next;
      next = this._read_template();
    }
  
    if (this._until_after) {
      result += this._input.readUntilAfter(this._until_pattern);
    }
    return result;
  };
  
  TemplatablePattern$2.prototype.__set_templated_pattern = function() {
    var items = [];
  
    if (!this._disabled.php) {
      items.push(this.__patterns.php._starting_pattern.source);
    }
    if (!this._disabled.handlebars) {
      items.push(this.__patterns.handlebars._starting_pattern.source);
    }
    if (!this._disabled.erb) {
      items.push(this.__patterns.erb._starting_pattern.source);
    }
    if (!this._disabled.django) {
      items.push(this.__patterns.django._starting_pattern.source);
      // The starting pattern for django is more complex because it has different
      // patterns for value, comment, and other sections
      items.push(this.__patterns.django_value._starting_pattern.source);
      items.push(this.__patterns.django_comment._starting_pattern.source);
    }
    if (!this._disabled.smarty) {
      items.push(this.__patterns.smarty._starting_pattern.source);
    }
  
    if (this._until_pattern) {
      items.push(this._until_pattern.source);
    }
    this.__template_pattern = this._input.get_regexp('(?:' + items.join('|') + ')');
  };
  
  TemplatablePattern$2.prototype._read_template = function() {
    var resulting_string = '';
    var c = this._input.peek();
    if (c === '<') {
      var peek1 = this._input.peek(1);
      //if we're in a comment, do something special
      // We treat all comments as literals, even more than preformatted tags
      // we just look for the appropriate close tag
      if (!this._disabled.php && !this._excluded.php && peek1 === '?') {
        resulting_string = resulting_string ||
          this.__patterns.php.read();
      }
      if (!this._disabled.erb && !this._excluded.erb && peek1 === '%') {
        resulting_string = resulting_string ||
          this.__patterns.erb.read();
      }
    } else if (c === '{') {
      if (!this._disabled.handlebars && !this._excluded.handlebars) {
        resulting_string = resulting_string ||
          this.__patterns.handlebars_comment.read();
        resulting_string = resulting_string ||
          this.__patterns.handlebars_unescaped.read();
        resulting_string = resulting_string ||
          this.__patterns.handlebars.read();
      }
      if (!this._disabled.django) {
        // django coflicts with handlebars a bit.
        if (!this._excluded.django && !this._excluded.handlebars) {
          resulting_string = resulting_string ||
            this.__patterns.django_value.read();
        }
        if (!this._excluded.django) {
          resulting_string = resulting_string ||
            this.__patterns.django_comment.read();
          resulting_string = resulting_string ||
            this.__patterns.django.read();
        }
      }
      if (!this._disabled.smarty) {
        // smarty cannot be enabled with django or handlebars enabled
        if (this._disabled.django && this._disabled.handlebars) {
          resulting_string = resulting_string ||
            this.__patterns.smarty_comment.read();
          resulting_string = resulting_string ||
            this.__patterns.smarty_literal.read();
          resulting_string = resulting_string ||
            this.__patterns.smarty.read();
        }
      }
    }
    return resulting_string;
  };
  
  
  templatablepattern.TemplatablePattern = TemplatablePattern$2;
  
  /*jshint node:true */
  
  var InputScanner$1 = inputscanner.InputScanner;
  var BaseTokenizer$1 = tokenizer$1.Tokenizer;
  var BASETOKEN$1 = tokenizer$1.TOKEN;
  var Directives$2 = directives.Directives;
  var acorn$1 = acorn$2;
  var Pattern$1 = pattern.Pattern;
  var TemplatablePattern$1 = templatablepattern.TemplatablePattern;
  
  
  function in_array$2(what, arr) {
    return arr.indexOf(what) !== -1;
  }
  
  
  var TOKEN$3 = {
    START_EXPR: 'TK_START_EXPR',
    END_EXPR: 'TK_END_EXPR',
    START_BLOCK: 'TK_START_BLOCK',
    END_BLOCK: 'TK_END_BLOCK',
    WORD: 'TK_WORD',
    RESERVED: 'TK_RESERVED',
    SEMICOLON: 'TK_SEMICOLON',
    STRING: 'TK_STRING',
    EQUALS: 'TK_EQUALS',
    OPERATOR: 'TK_OPERATOR',
    COMMA: 'TK_COMMA',
    BLOCK_COMMENT: 'TK_BLOCK_COMMENT',
    COMMENT: 'TK_COMMENT',
    DOT: 'TK_DOT',
    UNKNOWN: 'TK_UNKNOWN',
    START: BASETOKEN$1.START,
    RAW: BASETOKEN$1.RAW,
    EOF: BASETOKEN$1.EOF
  };
  
  
  var directives_core$2 = new Directives$2(/\/\*/, /\*\//);
  
  var number_pattern = /0[xX][0123456789abcdefABCDEF_]*n?|0[oO][01234567_]*n?|0[bB][01_]*n?|\d[\d_]*n|(?:\.\d[\d_]*|\d[\d_]*\.?[\d_]*)(?:[eE][+-]?[\d_]+)?/;
  
  var digit = /[0-9]/;
  
  // Dot "." must be distinguished from "..." and decimal
  var dot_pattern = /[^\d\.]/;
  
  var positionable_operators$1 = (
    ">>> === !== " +
    "<< && >= ** != == <= >> || ?? |> " +
    "< / - + > : & % ? ^ | *").split(' ');
  
  // IMPORTANT: this must be sorted longest to shortest or tokenizing many not work.
  // Also, you must update possitionable operators separately from punct
  var punct =
    ">>>= " +
    "... >>= <<= === >>> !== **= " +
    "=> ^= :: /= << <= == && -= >= >> != -- += ** || ?? ++ %= &= *= |= |> " +
    "= ! ? > < : / ^ - + * & % ~ |";
  
  punct = punct.replace(/[-[\]{}()*+?.,\\^$|#]/g, "\\$&");
  // ?. but not if followed by a number 
  punct = '\\?\\.(?!\\d) ' + punct;
  punct = punct.replace(/ /g, '|');
  
  var punct_pattern = new RegExp(punct);
  
  // words which should always start on new line.
  var line_starters$1 = 'continue,try,throw,return,var,let,const,if,switch,case,default,for,while,break,function,import,export'.split(',');
  var reserved_words = line_starters$1.concat(['do', 'in', 'of', 'else', 'get', 'set', 'new', 'catch', 'finally', 'typeof', 'yield', 'async', 'await', 'from', 'as']);
  var reserved_word_pattern = new RegExp('^(?:' + reserved_words.join('|') + ')$');
  
  // var template_pattern = /(?:(?:<\?php|<\?=)[\s\S]*?\?>)|(?:<%[\s\S]*?%>)/g;
  
  var in_html_comment;
  
  var Tokenizer$3 = function(input_string, options) {
    BaseTokenizer$1.call(this, input_string, options);
  
    this._patterns.whitespace = this._patterns.whitespace.matching(
      /\u00A0\u1680\u180e\u2000-\u200a\u202f\u205f\u3000\ufeff/.source,
      /\u2028\u2029/.source);
  
    var pattern_reader = new Pattern$1(this._input);
    var templatable = new TemplatablePattern$1(this._input)
      .read_options(this._options);
  
    this.__patterns = {
      template: templatable,
      identifier: templatable.starting_with(acorn$1.identifier).matching(acorn$1.identifierMatch),
      number: pattern_reader.matching(number_pattern),
      punct: pattern_reader.matching(punct_pattern),
      // comment ends just before nearest linefeed or end of file
      comment: pattern_reader.starting_with(/\/\//).until(/[\n\r\u2028\u2029]/),
      //  /* ... */ comment ends with nearest */ or end of file
      block_comment: pattern_reader.starting_with(/\/\*/).until_after(/\*\//),
      html_comment_start: pattern_reader.matching(/<!--/),
      html_comment_end: pattern_reader.matching(/-->/),
      include: pattern_reader.starting_with(/#include/).until_after(acorn$1.lineBreak),
      shebang: pattern_reader.starting_with(/#!/).until_after(acorn$1.lineBreak),
      xml: pattern_reader.matching(/[\s\S]*?<(\/?)([-a-zA-Z:0-9_.]+|{[\s\S]+?}|!\[CDATA\[[\s\S]*?\]\]|)(\s+{[\s\S]+?}|\s+[-a-zA-Z:0-9_.]+|\s+[-a-zA-Z:0-9_.]+\s*=\s*('[^']*'|"[^"]*"|{[\s\S]+?}))*\s*(\/?)\s*>/),
      single_quote: templatable.until(/['\\\n\r\u2028\u2029]/),
      double_quote: templatable.until(/["\\\n\r\u2028\u2029]/),
      template_text: templatable.until(/[`\\$]/),
      template_expression: templatable.until(/[`}\\]/)
    };
  
  };
  Tokenizer$3.prototype = new BaseTokenizer$1();
  
  Tokenizer$3.prototype._is_comment = function(current_token) {
    return current_token.type === TOKEN$3.COMMENT || current_token.type === TOKEN$3.BLOCK_COMMENT || current_token.type === TOKEN$3.UNKNOWN;
  };
  
  Tokenizer$3.prototype._is_opening = function(current_token) {
    return current_token.type === TOKEN$3.START_BLOCK || current_token.type === TOKEN$3.START_EXPR;
  };
  
  Tokenizer$3.prototype._is_closing = function(current_token, open_token) {
    return (current_token.type === TOKEN$3.END_BLOCK || current_token.type === TOKEN$3.END_EXPR) &&
      (open_token && (
        (current_token.text === ']' && open_token.text === '[') ||
        (current_token.text === ')' && open_token.text === '(') ||
        (current_token.text === '}' && open_token.text === '{')));
  };
  
  Tokenizer$3.prototype._reset = function() {
    in_html_comment = false;
  };
  
  Tokenizer$3.prototype._get_next_token = function(previous_token, open_token) { // jshint unused:false
    var token = null;
    this._readWhitespace();
    var c = this._input.peek();
  
    if (c === null) {
      return this._create_token(TOKEN$3.EOF, '');
    }
  
    token = token || this._read_non_javascript(c);
    token = token || this._read_string(c);
    token = token || this._read_word(previous_token);
    token = token || this._read_singles(c);
    token = token || this._read_comment(c);
    token = token || this._read_regexp(c, previous_token);
    token = token || this._read_xml(c, previous_token);
    token = token || this._read_punctuation();
    token = token || this._create_token(TOKEN$3.UNKNOWN, this._input.next());
  
    return token;
  };
  
  Tokenizer$3.prototype._read_word = function(previous_token) {
    var resulting_string;
    resulting_string = this.__patterns.identifier.read();
    if (resulting_string !== '') {
      resulting_string = resulting_string.replace(acorn$1.allLineBreaks, '\n');
      if (!(previous_token.type === TOKEN$3.DOT ||
          (previous_token.type === TOKEN$3.RESERVED && (previous_token.text === 'set' || previous_token.text === 'get'))) &&
        reserved_word_pattern.test(resulting_string)) {
        if (resulting_string === 'in' || resulting_string === 'of') { // hack for 'in' and 'of' operators
          return this._create_token(TOKEN$3.OPERATOR, resulting_string);
        }
        return this._create_token(TOKEN$3.RESERVED, resulting_string);
      }
      return this._create_token(TOKEN$3.WORD, resulting_string);
    }
  
    resulting_string = this.__patterns.number.read();
    if (resulting_string !== '') {
      return this._create_token(TOKEN$3.WORD, resulting_string);
    }
  };
  
  Tokenizer$3.prototype._read_singles = function(c) {
    var token = null;
    if (c === '(' || c === '[') {
      token = this._create_token(TOKEN$3.START_EXPR, c);
    } else if (c === ')' || c === ']') {
      token = this._create_token(TOKEN$3.END_EXPR, c);
    } else if (c === '{') {
      token = this._create_token(TOKEN$3.START_BLOCK, c);
    } else if (c === '}') {
      token = this._create_token(TOKEN$3.END_BLOCK, c);
    } else if (c === ';') {
      token = this._create_token(TOKEN$3.SEMICOLON, c);
    } else if (c === '.' && dot_pattern.test(this._input.peek(1))) {
      token = this._create_token(TOKEN$3.DOT, c);
    } else if (c === ',') {
      token = this._create_token(TOKEN$3.COMMA, c);
    }
  
    if (token) {
      this._input.next();
    }
    return token;
  };
  
  Tokenizer$3.prototype._read_punctuation = function() {
    var resulting_string = this.__patterns.punct.read();
  
    if (resulting_string !== '') {
      if (resulting_string === '=') {
        return this._create_token(TOKEN$3.EQUALS, resulting_string);
      } else if (resulting_string === '?.') {
        return this._create_token(TOKEN$3.DOT, resulting_string);
      } else {
        return this._create_token(TOKEN$3.OPERATOR, resulting_string);
      }
    }
  };
  
  Tokenizer$3.prototype._read_non_javascript = function(c) {
    var resulting_string = '';
  
    if (c === '#') {
      if (this._is_first_token()) {
        resulting_string = this.__patterns.shebang.read();
  
        if (resulting_string) {
          return this._create_token(TOKEN$3.UNKNOWN, resulting_string.trim() + '\n');
        }
      }
  
      // handles extendscript #includes
      resulting_string = this.__patterns.include.read();
  
      if (resulting_string) {
        return this._create_token(TOKEN$3.UNKNOWN, resulting_string.trim() + '\n');
      }
  
      c = this._input.next();
  
      // Spidermonkey-specific sharp variables for circular references. Considered obsolete.
      var sharp = '#';
      if (this._input.hasNext() && this._input.testChar(digit)) {
        do {
          c = this._input.next();
          sharp += c;
        } while (this._input.hasNext() && c !== '#' && c !== '=');
        if (c === '#') ; else if (this._input.peek() === '[' && this._input.peek(1) === ']') {
          sharp += '[]';
          this._input.next();
          this._input.next();
        } else if (this._input.peek() === '{' && this._input.peek(1) === '}') {
          sharp += '{}';
          this._input.next();
          this._input.next();
        }
        return this._create_token(TOKEN$3.WORD, sharp);
      }
  
      this._input.back();
  
    } else if (c === '<' && this._is_first_token()) {
      resulting_string = this.__patterns.html_comment_start.read();
      if (resulting_string) {
        while (this._input.hasNext() && !this._input.testChar(acorn$1.newline)) {
          resulting_string += this._input.next();
        }
        in_html_comment = true;
        return this._create_token(TOKEN$3.COMMENT, resulting_string);
      }
    } else if (in_html_comment && c === '-') {
      resulting_string = this.__patterns.html_comment_end.read();
      if (resulting_string) {
        in_html_comment = false;
        return this._create_token(TOKEN$3.COMMENT, resulting_string);
      }
    }
  
    return null;
  };
  
  Tokenizer$3.prototype._read_comment = function(c) {
    var token = null;
    if (c === '/') {
      var comment = '';
      if (this._input.peek(1) === '*') {
        // peek for comment /* ... */
        comment = this.__patterns.block_comment.read();
        var directives = directives_core$2.get_directives(comment);
        if (directives && directives.ignore === 'start') {
          comment += directives_core$2.readIgnored(this._input);
        }
        comment = comment.replace(acorn$1.allLineBreaks, '\n');
        token = this._create_token(TOKEN$3.BLOCK_COMMENT, comment);
        token.directives = directives;
      } else if (this._input.peek(1) === '/') {
        // peek for comment // ...
        comment = this.__patterns.comment.read();
        token = this._create_token(TOKEN$3.COMMENT, comment);
      }
    }
    return token;
  };
  
  Tokenizer$3.prototype._read_string = function(c) {
    if (c === '`' || c === "'" || c === '"') {
      var resulting_string = this._input.next();
      this.has_char_escapes = false;
  
      if (c === '`') {
        resulting_string += this._read_string_recursive('`', true, '${');
      } else {
        resulting_string += this._read_string_recursive(c);
      }
  
      if (this.has_char_escapes && this._options.unescape_strings) {
        resulting_string = unescape_string(resulting_string);
      }
  
      if (this._input.peek() === c) {
        resulting_string += this._input.next();
      }
  
      resulting_string = resulting_string.replace(acorn$1.allLineBreaks, '\n');
  
      return this._create_token(TOKEN$3.STRING, resulting_string);
    }
  
    return null;
  };
  
  Tokenizer$3.prototype._allow_regexp_or_xml = function(previous_token) {
    // regex and xml can only appear in specific locations during parsing
    return (previous_token.type === TOKEN$3.RESERVED && in_array$2(previous_token.text, ['return', 'case', 'throw', 'else', 'do', 'typeof', 'yield'])) ||
      (previous_token.type === TOKEN$3.END_EXPR && previous_token.text === ')' &&
        previous_token.opened.previous.type === TOKEN$3.RESERVED && in_array$2(previous_token.opened.previous.text, ['if', 'while', 'for'])) ||
      (in_array$2(previous_token.type, [TOKEN$3.COMMENT, TOKEN$3.START_EXPR, TOKEN$3.START_BLOCK, TOKEN$3.START,
        TOKEN$3.END_BLOCK, TOKEN$3.OPERATOR, TOKEN$3.EQUALS, TOKEN$3.EOF, TOKEN$3.SEMICOLON, TOKEN$3.COMMA
      ]));
  };
  
  Tokenizer$3.prototype._read_regexp = function(c, previous_token) {
  
    if (c === '/' && this._allow_regexp_or_xml(previous_token)) {
      // handle regexp
      //
      var resulting_string = this._input.next();
      var esc = false;
  
      var in_char_class = false;
      while (this._input.hasNext() &&
        ((esc || in_char_class || this._input.peek() !== c) &&
          !this._input.testChar(acorn$1.newline))) {
        resulting_string += this._input.peek();
        if (!esc) {
          esc = this._input.peek() === '\\';
          if (this._input.peek() === '[') {
            in_char_class = true;
          } else if (this._input.peek() === ']') {
            in_char_class = false;
          }
        } else {
          esc = false;
        }
        this._input.next();
      }
  
      if (this._input.peek() === c) {
        resulting_string += this._input.next();
  
        // regexps may have modifiers /regexp/MOD , so fetch those, too
        // Only [gim] are valid, but if the user puts in garbage, do what we can to take it.
        resulting_string += this._input.read(acorn$1.identifier);
      }
      return this._create_token(TOKEN$3.STRING, resulting_string);
    }
    return null;
  };
  
  Tokenizer$3.prototype._read_xml = function(c, previous_token) {
  
    if (this._options.e4x && c === "<" && this._allow_regexp_or_xml(previous_token)) {
      var xmlStr = '';
      var match = this.__patterns.xml.read_match();
      // handle e4x xml literals
      //
      if (match) {
        // Trim root tag to attempt to
        var rootTag = match[2].replace(/^{\s+/, '{').replace(/\s+}$/, '}');
        var isCurlyRoot = rootTag.indexOf('{') === 0;
        var depth = 0;
        while (match) {
          var isEndTag = !!match[1];
          var tagName = match[2];
          var isSingletonTag = (!!match[match.length - 1]) || (tagName.slice(0, 8) === "![CDATA[");
          if (!isSingletonTag &&
            (tagName === rootTag || (isCurlyRoot && tagName.replace(/^{\s+/, '{').replace(/\s+}$/, '}')))) {
            if (isEndTag) {
              --depth;
            } else {
              ++depth;
            }
          }
          xmlStr += match[0];
          if (depth <= 0) {
            break;
          }
          match = this.__patterns.xml.read_match();
        }
        // if we didn't close correctly, keep unformatted.
        if (!match) {
          xmlStr += this._input.match(/[\s\S]*/g)[0];
        }
        xmlStr = xmlStr.replace(acorn$1.allLineBreaks, '\n');
        return this._create_token(TOKEN$3.STRING, xmlStr);
      }
    }
  
    return null;
  };
  
  function unescape_string(s) {
    // You think that a regex would work for this
    // return s.replace(/\\x([0-9a-f]{2})/gi, function(match, val) {
    //         return String.fromCharCode(parseInt(val, 16));
    //     })
    // However, dealing with '\xff', '\\xff', '\\\xff' makes this more fun.
    var out = '',
      escaped = 0;
  
    var input_scan = new InputScanner$1(s);
    var matched = null;
  
    while (input_scan.hasNext()) {
      // Keep any whitespace, non-slash characters
      // also keep slash pairs.
      matched = input_scan.match(/([\s]|[^\\]|\\\\)+/g);
  
      if (matched) {
        out += matched[0];
      }
  
      if (input_scan.peek() === '\\') {
        input_scan.next();
        if (input_scan.peek() === 'x') {
          matched = input_scan.match(/x([0-9A-Fa-f]{2})/g);
        } else if (input_scan.peek() === 'u') {
          matched = input_scan.match(/u([0-9A-Fa-f]{4})/g);
        } else {
          out += '\\';
          if (input_scan.hasNext()) {
            out += input_scan.next();
          }
          continue;
        }
  
        // If there's some error decoding, return the original string
        if (!matched) {
          return s;
        }
  
        escaped = parseInt(matched[1], 16);
  
        if (escaped > 0x7e && escaped <= 0xff && matched[0].indexOf('x') === 0) {
          // we bail out on \x7f..\xff,
          // leaving whole string escaped,
          // as it's probably completely binary
          return s;
        } else if (escaped >= 0x00 && escaped < 0x20) {
          // leave 0x00...0x1f escaped
          out += '\\' + matched[0];
          continue;
        } else if (escaped === 0x22 || escaped === 0x27 || escaped === 0x5c) {
          // single-quote, apostrophe, backslash - escape these
          out += '\\' + String.fromCharCode(escaped);
        } else {
          out += String.fromCharCode(escaped);
        }
      }
    }
  
    return out;
  }
  
  // handle string
  //
  Tokenizer$3.prototype._read_string_recursive = function(delimiter, allow_unescaped_newlines, start_sub) {
    var current_char;
    var pattern;
    if (delimiter === '\'') {
      pattern = this.__patterns.single_quote;
    } else if (delimiter === '"') {
      pattern = this.__patterns.double_quote;
    } else if (delimiter === '`') {
      pattern = this.__patterns.template_text;
    } else if (delimiter === '}') {
      pattern = this.__patterns.template_expression;
    }
  
    var resulting_string = pattern.read();
    var next = '';
    while (this._input.hasNext()) {
      next = this._input.next();
      if (next === delimiter ||
        (!allow_unescaped_newlines && acorn$1.newline.test(next))) {
        this._input.back();
        break;
      } else if (next === '\\' && this._input.hasNext()) {
        current_char = this._input.peek();
  
        if (current_char === 'x' || current_char === 'u') {
          this.has_char_escapes = true;
        } else if (current_char === '\r' && this._input.peek(1) === '\n') {
          this._input.next();
        }
        next += this._input.next();
      } else if (start_sub) {
        if (start_sub === '${' && next === '$' && this._input.peek() === '{') {
          next += this._input.next();
        }
  
        if (start_sub === next) {
          if (delimiter === '`') {
            next += this._read_string_recursive('}', allow_unescaped_newlines, '`');
          } else {
            next += this._read_string_recursive('`', allow_unescaped_newlines, '${');
          }
          if (this._input.hasNext()) {
            next += this._input.next();
          }
        }
      }
      next += pattern.read();
      resulting_string += next;
    }
  
    return resulting_string;
  };
  
  tokenizer$2.Tokenizer = Tokenizer$3;
  tokenizer$2.TOKEN = TOKEN$3;
  tokenizer$2.positionable_operators = positionable_operators$1.slice();
  tokenizer$2.line_starters = line_starters$1.slice();
  
  /*jshint node:true */
  
  var Output$2 = output.Output;
  var Token = token.Token;
  var acorn = acorn$2;
  var Options$7 = options$3.Options;
  var Tokenizer$2 = tokenizer$2.Tokenizer;
  var line_starters = tokenizer$2.line_starters;
  var positionable_operators = tokenizer$2.positionable_operators;
  var TOKEN$2 = tokenizer$2.TOKEN;
  
  
  function in_array$1(what, arr) {
    return arr.indexOf(what) !== -1;
  }
  
  function ltrim(s) {
    return s.replace(/^\s+/g, '');
  }
  
  function generateMapFromStrings(list) {
    var result = {};
    for (var x = 0; x < list.length; x++) {
      // make the mapped names underscored instead of dash
      result[list[x].replace(/-/g, '_')] = list[x];
    }
    return result;
  }
  
  function reserved_word(token, word) {
    return token && token.type === TOKEN$2.RESERVED && token.text === word;
  }
  
  function reserved_array(token, words) {
    return token && token.type === TOKEN$2.RESERVED && in_array$1(token.text, words);
  }
  // Unsure of what they mean, but they work. Worth cleaning up in future.
  var special_words = ['case', 'return', 'do', 'if', 'throw', 'else', 'await', 'break', 'continue', 'async'];
  
  var validPositionValues = ['before-newline', 'after-newline', 'preserve-newline'];
  
  // Generate map from array
  var OPERATOR_POSITION = generateMapFromStrings(validPositionValues);
  
  var OPERATOR_POSITION_BEFORE_OR_PRESERVE = [OPERATOR_POSITION.before_newline, OPERATOR_POSITION.preserve_newline];
  
  var MODE = {
    BlockStatement: 'BlockStatement', // 'BLOCK'
    Statement: 'Statement', // 'STATEMENT'
    ObjectLiteral: 'ObjectLiteral', // 'OBJECT',
    ArrayLiteral: 'ArrayLiteral', //'[EXPRESSION]',
    ForInitializer: 'ForInitializer', //'(FOR-EXPRESSION)',
    Conditional: 'Conditional', //'(COND-EXPRESSION)',
    Expression: 'Expression' //'(EXPRESSION)'
  };
  
  function remove_redundant_indentation(output, frame) {
    // This implementation is effective but has some issues:
    //     - can cause line wrap to happen too soon due to indent removal
    //           after wrap points are calculated
    // These issues are minor compared to ugly indentation.
  
    if (frame.multiline_frame ||
      frame.mode === MODE.ForInitializer ||
      frame.mode === MODE.Conditional) {
      return;
    }
  
    // remove one indent from each line inside this section
    output.remove_indent(frame.start_line_index);
  }
  
  // we could use just string.split, but
  // IE doesn't like returning empty strings
  function split_linebreaks(s) {
    //return s.split(/\x0d\x0a|\x0a/);
  
    s = s.replace(acorn.allLineBreaks, '\n');
    var out = [],
      idx = s.indexOf("\n");
    while (idx !== -1) {
      out.push(s.substring(0, idx));
      s = s.substring(idx + 1);
      idx = s.indexOf("\n");
    }
    if (s.length) {
      out.push(s);
    }
    return out;
  }
  
  function is_array(mode) {
    return mode === MODE.ArrayLiteral;
  }
  
  function is_expression(mode) {
    return in_array$1(mode, [MODE.Expression, MODE.ForInitializer, MODE.Conditional]);
  }
  
  function all_lines_start_with(lines, c) {
    for (var i = 0; i < lines.length; i++) {
      var line = lines[i].trim();
      if (line.charAt(0) !== c) {
        return false;
      }
    }
    return true;
  }
  
  function each_line_matches_indent(lines, indent) {
    var i = 0,
      len = lines.length,
      line;
    for (; i < len; i++) {
      line = lines[i];
      // allow empty lines to pass through
      if (line && line.indexOf(indent) !== 0) {
        return false;
      }
    }
    return true;
  }
  
  
  function Beautifier$5(source_text, options) {
    options = options || {};
    this._source_text = source_text || '';
  
    this._output = null;
    this._tokens = null;
    this._last_last_text = null;
    this._flags = null;
    this._previous_flags = null;
  
    this._flag_store = null;
    this._options = new Options$7(options);
  }
  
  Beautifier$5.prototype.create_flags = function(flags_base, mode) {
    var next_indent_level = 0;
    if (flags_base) {
      next_indent_level = flags_base.indentation_level;
      if (!this._output.just_added_newline() &&
        flags_base.line_indent_level > next_indent_level) {
        next_indent_level = flags_base.line_indent_level;
      }
    }
  
    var next_flags = {
      mode: mode,
      parent: flags_base,
      last_token: flags_base ? flags_base.last_token : new Token(TOKEN$2.START_BLOCK, ''), // last token text
      last_word: flags_base ? flags_base.last_word : '', // last TOKEN.WORD passed
      declaration_statement: false,
      declaration_assignment: false,
      multiline_frame: false,
      inline_frame: false,
      if_block: false,
      else_block: false,
      do_block: false,
      do_while: false,
      import_block: false,
      in_case_statement: false, // switch(..){ INSIDE HERE }
      in_case: false, // we're on the exact line with "case 0:"
      case_body: false, // the indented case-action block
      indentation_level: next_indent_level,
      alignment: 0,
      line_indent_level: flags_base ? flags_base.line_indent_level : next_indent_level,
      start_line_index: this._output.get_line_number(),
      ternary_depth: 0
    };
    return next_flags;
  };
  
  Beautifier$5.prototype._reset = function(source_text) {
    var baseIndentString = source_text.match(/^[\t ]*/)[0];
  
    this._last_last_text = ''; // pre-last token text
    this._output = new Output$2(this._options, baseIndentString);
  
    // If testing the ignore directive, start with output disable set to true
    this._output.raw = this._options.test_output_raw;
  
  
    // Stack of parsing/formatting states, including MODE.
    // We tokenize, parse, and output in an almost purely a forward-only stream of token input
    // and formatted output.  This makes the beautifier less accurate than full parsers
    // but also far more tolerant of syntax errors.
    //
    // For example, the default mode is MODE.BlockStatement. If we see a '{' we push a new frame of type
    // MODE.BlockStatement on the the stack, even though it could be object literal.  If we later
    // encounter a ":", we'll switch to to MODE.ObjectLiteral.  If we then see a ";",
    // most full parsers would die, but the beautifier gracefully falls back to
    // MODE.BlockStatement and continues on.
    this._flag_store = [];
    this.set_mode(MODE.BlockStatement);
    var tokenizer = new Tokenizer$2(source_text, this._options);
    this._tokens = tokenizer.tokenize();
    return source_text;
  };
  
  Beautifier$5.prototype.beautify = function() {
    // if disabled, return the input unchanged.
    if (this._options.disabled) {
      return this._source_text;
    }
  
    var sweet_code;
    var source_text = this._reset(this._source_text);
  
    var eol = this._options.eol;
    if (this._options.eol === 'auto') {
      eol = '\n';
      if (source_text && acorn.lineBreak.test(source_text || '')) {
        eol = source_text.match(acorn.lineBreak)[0];
      }
    }
  
    var current_token = this._tokens.next();
    while (current_token) {
      this.handle_token(current_token);
  
      this._last_last_text = this._flags.last_token.text;
      this._flags.last_token = current_token;
  
      current_token = this._tokens.next();
    }
  
    sweet_code = this._output.get_code(eol);
  
    return sweet_code;
  };
  
  Beautifier$5.prototype.handle_token = function(current_token, preserve_statement_flags) {
    if (current_token.type === TOKEN$2.START_EXPR) {
      this.handle_start_expr(current_token);
    } else if (current_token.type === TOKEN$2.END_EXPR) {
      this.handle_end_expr(current_token);
    } else if (current_token.type === TOKEN$2.START_BLOCK) {
      this.handle_start_block(current_token);
    } else if (current_token.type === TOKEN$2.END_BLOCK) {
      this.handle_end_block(current_token);
    } else if (current_token.type === TOKEN$2.WORD) {
      this.handle_word(current_token);
    } else if (current_token.type === TOKEN$2.RESERVED) {
      this.handle_word(current_token);
    } else if (current_token.type === TOKEN$2.SEMICOLON) {
      this.handle_semicolon(current_token);
    } else if (current_token.type === TOKEN$2.STRING) {
      this.handle_string(current_token);
    } else if (current_token.type === TOKEN$2.EQUALS) {
      this.handle_equals(current_token);
    } else if (current_token.type === TOKEN$2.OPERATOR) {
      this.handle_operator(current_token);
    } else if (current_token.type === TOKEN$2.COMMA) {
      this.handle_comma(current_token);
    } else if (current_token.type === TOKEN$2.BLOCK_COMMENT) {
      this.handle_block_comment(current_token, preserve_statement_flags);
    } else if (current_token.type === TOKEN$2.COMMENT) {
      this.handle_comment(current_token, preserve_statement_flags);
    } else if (current_token.type === TOKEN$2.DOT) {
      this.handle_dot(current_token);
    } else if (current_token.type === TOKEN$2.EOF) {
      this.handle_eof(current_token);
    } else if (current_token.type === TOKEN$2.UNKNOWN) {
      this.handle_unknown(current_token, preserve_statement_flags);
    } else {
      this.handle_unknown(current_token, preserve_statement_flags);
    }
  };
  
  Beautifier$5.prototype.handle_whitespace_and_comments = function(current_token, preserve_statement_flags) {
    var newlines = current_token.newlines;
    var keep_whitespace = this._options.keep_array_indentation && is_array(this._flags.mode);
  
    if (current_token.comments_before) {
      var comment_token = current_token.comments_before.next();
      while (comment_token) {
        // The cleanest handling of inline comments is to treat them as though they aren't there.
        // Just continue formatting and the behavior should be logical.
        // Also ignore unknown tokens.  Again, this should result in better behavior.
        this.handle_whitespace_and_comments(comment_token, preserve_statement_flags);
        this.handle_token(comment_token, preserve_statement_flags);
        comment_token = current_token.comments_before.next();
      }
    }
  
    if (keep_whitespace) {
      for (var i = 0; i < newlines; i += 1) {
        this.print_newline(i > 0, preserve_statement_flags);
      }
    } else {
      if (this._options.max_preserve_newlines && newlines > this._options.max_preserve_newlines) {
        newlines = this._options.max_preserve_newlines;
      }
  
      if (this._options.preserve_newlines) {
        if (newlines > 1) {
          this.print_newline(false, preserve_statement_flags);
          for (var j = 1; j < newlines; j += 1) {
            this.print_newline(true, preserve_statement_flags);
          }
        }
      }
    }
  
  };
  
  var newline_restricted_tokens = ['async', 'break', 'continue', 'return', 'throw', 'yield'];
  
  Beautifier$5.prototype.allow_wrap_or_preserved_newline = function(current_token, force_linewrap) {
    force_linewrap = (force_linewrap === undefined) ? false : force_linewrap;
  
    // Never wrap the first token on a line
    if (this._output.just_added_newline()) {
      return;
    }
  
    var shouldPreserveOrForce = (this._options.preserve_newlines && current_token.newlines) || force_linewrap;
    var operatorLogicApplies = in_array$1(this._flags.last_token.text, positionable_operators) ||
      in_array$1(current_token.text, positionable_operators);
  
    if (operatorLogicApplies) {
      var shouldPrintOperatorNewline = (
          in_array$1(this._flags.last_token.text, positionable_operators) &&
          in_array$1(this._options.operator_position, OPERATOR_POSITION_BEFORE_OR_PRESERVE)
        ) ||
        in_array$1(current_token.text, positionable_operators);
      shouldPreserveOrForce = shouldPreserveOrForce && shouldPrintOperatorNewline;
    }
  
    if (shouldPreserveOrForce) {
      this.print_newline(false, true);
    } else if (this._options.wrap_line_length) {
      if (reserved_array(this._flags.last_token, newline_restricted_tokens)) {
        // These tokens should never have a newline inserted
        // between them and the following expression.
        return;
      }
      this._output.set_wrap_point();
    }
  };
  
  Beautifier$5.prototype.print_newline = function(force_newline, preserve_statement_flags) {
    if (!preserve_statement_flags) {
      if (this._flags.last_token.text !== ';' && this._flags.last_token.text !== ',' && this._flags.last_token.text !== '=' && (this._flags.last_token.type !== TOKEN$2.OPERATOR || this._flags.last_token.text === '--' || this._flags.last_token.text === '++')) {
        var next_token = this._tokens.peek();
        while (this._flags.mode === MODE.Statement &&
          !(this._flags.if_block && reserved_word(next_token, 'else')) &&
          !this._flags.do_block) {
          this.restore_mode();
        }
      }
    }
  
    if (this._output.add_new_line(force_newline)) {
      this._flags.multiline_frame = true;
    }
  };
  
  Beautifier$5.prototype.print_token_line_indentation = function(current_token) {
    if (this._output.just_added_newline()) {
      if (this._options.keep_array_indentation &&
        current_token.newlines &&
        (current_token.text === '[' || is_array(this._flags.mode))) {
        this._output.current_line.set_indent(-1);
        this._output.current_line.push(current_token.whitespace_before);
        this._output.space_before_token = false;
      } else if (this._output.set_indent(this._flags.indentation_level, this._flags.alignment)) {
        this._flags.line_indent_level = this._flags.indentation_level;
      }
    }
  };
  
  Beautifier$5.prototype.print_token = function(current_token) {
    if (this._output.raw) {
      this._output.add_raw_token(current_token);
      return;
    }
  
    if (this._options.comma_first && current_token.previous && current_token.previous.type === TOKEN$2.COMMA &&
      this._output.just_added_newline()) {
      if (this._output.previous_line.last() === ',') {
        var popped = this._output.previous_line.pop();
        // if the comma was already at the start of the line,
        // pull back onto that line and reprint the indentation
        if (this._output.previous_line.is_empty()) {
          this._output.previous_line.push(popped);
          this._output.trim(true);
          this._output.current_line.pop();
          this._output.trim();
        }
  
        // add the comma in front of the next token
        this.print_token_line_indentation(current_token);
        this._output.add_token(',');
        this._output.space_before_token = true;
      }
    }
  
    this.print_token_line_indentation(current_token);
    this._output.non_breaking_space = true;
    this._output.add_token(current_token.text);
    if (this._output.previous_token_wrapped) {
      this._flags.multiline_frame = true;
    }
  };
  
  Beautifier$5.prototype.indent = function() {
    this._flags.indentation_level += 1;
    this._output.set_indent(this._flags.indentation_level, this._flags.alignment);
  };
  
  Beautifier$5.prototype.deindent = function() {
    if (this._flags.indentation_level > 0 &&
      ((!this._flags.parent) || this._flags.indentation_level > this._flags.parent.indentation_level)) {
      this._flags.indentation_level -= 1;
      this._output.set_indent(this._flags.indentation_level, this._flags.alignment);
    }
  };
  
  Beautifier$5.prototype.set_mode = function(mode) {
    if (this._flags) {
      this._flag_store.push(this._flags);
      this._previous_flags = this._flags;
    } else {
      this._previous_flags = this.create_flags(null, mode);
    }
  
    this._flags = this.create_flags(this._previous_flags, mode);
    this._output.set_indent(this._flags.indentation_level, this._flags.alignment);
  };
  
  
  Beautifier$5.prototype.restore_mode = function() {
    if (this._flag_store.length > 0) {
      this._previous_flags = this._flags;
      this._flags = this._flag_store.pop();
      if (this._previous_flags.mode === MODE.Statement) {
        remove_redundant_indentation(this._output, this._previous_flags);
      }
      this._output.set_indent(this._flags.indentation_level, this._flags.alignment);
    }
  };
  
  Beautifier$5.prototype.start_of_object_property = function() {
    return this._flags.parent.mode === MODE.ObjectLiteral && this._flags.mode === MODE.Statement && (
      (this._flags.last_token.text === ':' && this._flags.ternary_depth === 0) || (reserved_array(this._flags.last_token, ['get', 'set'])));
  };
  
  Beautifier$5.prototype.start_of_statement = function(current_token) {
    var start = false;
    start = start || reserved_array(this._flags.last_token, ['var', 'let', 'const']) && current_token.type === TOKEN$2.WORD;
    start = start || reserved_word(this._flags.last_token, 'do');
    start = start || (!(this._flags.parent.mode === MODE.ObjectLiteral && this._flags.mode === MODE.Statement)) && reserved_array(this._flags.last_token, newline_restricted_tokens) && !current_token.newlines;
    start = start || reserved_word(this._flags.last_token, 'else') &&
      !(reserved_word(current_token, 'if') && !current_token.comments_before);
    start = start || (this._flags.last_token.type === TOKEN$2.END_EXPR && (this._previous_flags.mode === MODE.ForInitializer || this._previous_flags.mode === MODE.Conditional));
    start = start || (this._flags.last_token.type === TOKEN$2.WORD && this._flags.mode === MODE.BlockStatement &&
      !this._flags.in_case &&
      !(current_token.text === '--' || current_token.text === '++') &&
      this._last_last_text !== 'function' &&
      current_token.type !== TOKEN$2.WORD && current_token.type !== TOKEN$2.RESERVED);
    start = start || (this._flags.mode === MODE.ObjectLiteral && (
      (this._flags.last_token.text === ':' && this._flags.ternary_depth === 0) || reserved_array(this._flags.last_token, ['get', 'set'])));
  
    if (start) {
      this.set_mode(MODE.Statement);
      this.indent();
  
      this.handle_whitespace_and_comments(current_token, true);
  
      // Issue #276:
      // If starting a new statement with [if, for, while, do], push to a new line.
      // if (a) if (b) if(c) d(); else e(); else f();
      if (!this.start_of_object_property()) {
        this.allow_wrap_or_preserved_newline(current_token,
          reserved_array(current_token, ['do', 'for', 'if', 'while']));
      }
      return true;
    }
    return false;
  };
  
  Beautifier$5.prototype.handle_start_expr = function(current_token) {
    // The conditional starts the statement if appropriate.
    if (!this.start_of_statement(current_token)) {
      this.handle_whitespace_and_comments(current_token);
    }
  
    var next_mode = MODE.Expression;
    if (current_token.text === '[') {
  
      if (this._flags.last_token.type === TOKEN$2.WORD || this._flags.last_token.text === ')') {
        // this is array index specifier, break immediately
        // a[x], fn()[x]
        if (reserved_array(this._flags.last_token, line_starters)) {
          this._output.space_before_token = true;
        }
        this.print_token(current_token);
        this.set_mode(next_mode);
        this.indent();
        if (this._options.space_in_paren) {
          this._output.space_before_token = true;
        }
        return;
      }
  
      next_mode = MODE.ArrayLiteral;
      if (is_array(this._flags.mode)) {
        if (this._flags.last_token.text === '[' ||
          (this._flags.last_token.text === ',' && (this._last_last_text === ']' || this._last_last_text === '}'))) {
          // ], [ goes to new line
          // }, [ goes to new line
          if (!this._options.keep_array_indentation) {
            this.print_newline();
          }
        }
      }
  
      if (!in_array$1(this._flags.last_token.type, [TOKEN$2.START_EXPR, TOKEN$2.END_EXPR, TOKEN$2.WORD, TOKEN$2.OPERATOR, TOKEN$2.DOT])) {
        this._output.space_before_token = true;
      }
    } else {
      if (this._flags.last_token.type === TOKEN$2.RESERVED) {
        if (this._flags.last_token.text === 'for') {
          this._output.space_before_token = this._options.space_before_conditional;
          next_mode = MODE.ForInitializer;
        } else if (in_array$1(this._flags.last_token.text, ['if', 'while', 'switch'])) {
          this._output.space_before_token = this._options.space_before_conditional;
          next_mode = MODE.Conditional;
        } else if (in_array$1(this._flags.last_word, ['await', 'async'])) {
          // Should be a space between await and an IIFE, or async and an arrow function
          this._output.space_before_token = true;
        } else if (this._flags.last_token.text === 'import' && current_token.whitespace_before === '') {
          this._output.space_before_token = false;
        } else if (in_array$1(this._flags.last_token.text, line_starters) || this._flags.last_token.text === 'catch') {
          this._output.space_before_token = true;
        }
      } else if (this._flags.last_token.type === TOKEN$2.EQUALS || this._flags.last_token.type === TOKEN$2.OPERATOR) {
        // Support of this kind of newline preservation.
        // a = (b &&
        //     (c || d));
        if (!this.start_of_object_property()) {
          this.allow_wrap_or_preserved_newline(current_token);
        }
      } else if (this._flags.last_token.type === TOKEN$2.WORD) {
        this._output.space_before_token = false;
  
        // function name() vs function name ()
        // function* name() vs function* name ()
        // async name() vs async name ()
        // In ES6, you can also define the method properties of an object
        // var obj = {a: function() {}}
        // It can be abbreviated
        // var obj = {a() {}}
        // var obj = { a() {}} vs var obj = { a () {}}
        // var obj = { * a() {}} vs var obj = { * a () {}}
        var peek_back_two = this._tokens.peek(-3);
        if (this._options.space_after_named_function && peek_back_two) {
          // peek starts at next character so -1 is current token
          var peek_back_three = this._tokens.peek(-4);
          if (reserved_array(peek_back_two, ['async', 'function']) ||
            (peek_back_two.text === '*' && reserved_array(peek_back_three, ['async', 'function']))) {
            this._output.space_before_token = true;
          } else if (this._flags.mode === MODE.ObjectLiteral) {
            if ((peek_back_two.text === '{' || peek_back_two.text === ',') ||
              (peek_back_two.text === '*' && (peek_back_three.text === '{' || peek_back_three.text === ','))) {
              this._output.space_before_token = true;
            }
          }
        }
      } else {
        // Support preserving wrapped arrow function expressions
        // a.b('c',
        //     () => d.e
        // )
        this.allow_wrap_or_preserved_newline(current_token);
      }
  
      // function() vs function ()
      // yield*() vs yield* ()
      // function*() vs function* ()
      if ((this._flags.last_token.type === TOKEN$2.RESERVED && (this._flags.last_word === 'function' || this._flags.last_word === 'typeof')) ||
        (this._flags.last_token.text === '*' &&
          (in_array$1(this._last_last_text, ['function', 'yield']) ||
            (this._flags.mode === MODE.ObjectLiteral && in_array$1(this._last_last_text, ['{', ',']))))) {
        this._output.space_before_token = this._options.space_after_anon_function;
      }
    }
  
    if (this._flags.last_token.text === ';' || this._flags.last_token.type === TOKEN$2.START_BLOCK) {
      this.print_newline();
    } else if (this._flags.last_token.type === TOKEN$2.END_EXPR || this._flags.last_token.type === TOKEN$2.START_EXPR || this._flags.last_token.type === TOKEN$2.END_BLOCK || this._flags.last_token.text === '.' || this._flags.last_token.type === TOKEN$2.COMMA) {
      // do nothing on (( and )( and ][ and ]( and .(
      // TODO: Consider whether forcing this is required.  Review failing tests when removed.
      this.allow_wrap_or_preserved_newline(current_token, current_token.newlines);
    }
  
    this.print_token(current_token);
    this.set_mode(next_mode);
    if (this._options.space_in_paren) {
      this._output.space_before_token = true;
    }
  
    // In all cases, if we newline while inside an expression it should be indented.
    this.indent();
  };
  
  Beautifier$5.prototype.handle_end_expr = function(current_token) {
    // statements inside expressions are not valid syntax, but...
    // statements must all be closed when their container closes
    while (this._flags.mode === MODE.Statement) {
      this.restore_mode();
    }
  
    this.handle_whitespace_and_comments(current_token);
  
    if (this._flags.multiline_frame) {
      this.allow_wrap_or_preserved_newline(current_token,
        current_token.text === ']' && is_array(this._flags.mode) && !this._options.keep_array_indentation);
    }
  
    if (this._options.space_in_paren) {
      if (this._flags.last_token.type === TOKEN$2.START_EXPR && !this._options.space_in_empty_paren) {
        // () [] no inner space in empty parens like these, ever, ref #320
        this._output.trim();
        this._output.space_before_token = false;
      } else {
        this._output.space_before_token = true;
      }
    }
    this.deindent();
    this.print_token(current_token);
    this.restore_mode();
  
    remove_redundant_indentation(this._output, this._previous_flags);
  
    // do {} while () // no statement required after
    if (this._flags.do_while && this._previous_flags.mode === MODE.Conditional) {
      this._previous_flags.mode = MODE.Expression;
      this._flags.do_block = false;
      this._flags.do_while = false;
  
    }
  };
  
  Beautifier$5.prototype.handle_start_block = function(current_token) {
    this.handle_whitespace_and_comments(current_token);
  
    // Check if this is should be treated as a ObjectLiteral
    var next_token = this._tokens.peek();
    var second_token = this._tokens.peek(1);
    if (this._flags.last_word === 'switch' && this._flags.last_token.type === TOKEN$2.END_EXPR) {
      this.set_mode(MODE.BlockStatement);
      this._flags.in_case_statement = true;
    } else if (this._flags.case_body) {
      this.set_mode(MODE.BlockStatement);
    } else if (second_token && (
        (in_array$1(second_token.text, [':', ',']) && in_array$1(next_token.type, [TOKEN$2.STRING, TOKEN$2.WORD, TOKEN$2.RESERVED])) ||
        (in_array$1(next_token.text, ['get', 'set', '...']) && in_array$1(second_token.type, [TOKEN$2.WORD, TOKEN$2.RESERVED]))
      )) {
      // We don't support TypeScript,but we didn't break it for a very long time.
      // We'll try to keep not breaking it.
      if (!in_array$1(this._last_last_text, ['class', 'interface'])) {
        this.set_mode(MODE.ObjectLiteral);
      } else {
        this.set_mode(MODE.BlockStatement);
      }
    } else if (this._flags.last_token.type === TOKEN$2.OPERATOR && this._flags.last_token.text === '=>') {
      // arrow function: (param1, paramN) => { statements }
      this.set_mode(MODE.BlockStatement);
    } else if (in_array$1(this._flags.last_token.type, [TOKEN$2.EQUALS, TOKEN$2.START_EXPR, TOKEN$2.COMMA, TOKEN$2.OPERATOR]) ||
      reserved_array(this._flags.last_token, ['return', 'throw', 'import', 'default'])
    ) {
      // Detecting shorthand function syntax is difficult by scanning forward,
      //     so check the surrounding context.
      // If the block is being returned, imported, export default, passed as arg,
      //     assigned with = or assigned in a nested object, treat as an ObjectLiteral.
      this.set_mode(MODE.ObjectLiteral);
    } else {
      this.set_mode(MODE.BlockStatement);
    }
  
    var empty_braces = !next_token.comments_before && next_token.text === '}';
    var empty_anonymous_function = empty_braces && this._flags.last_word === 'function' &&
      this._flags.last_token.type === TOKEN$2.END_EXPR;
  
    if (this._options.brace_preserve_inline) // check for inline, set inline_frame if so
    {
      // search forward for a newline wanted inside this block
      var index = 0;
      var check_token = null;
      this._flags.inline_frame = true;
      do {
        index += 1;
        check_token = this._tokens.peek(index - 1);
        if (check_token.newlines) {
          this._flags.inline_frame = false;
          break;
        }
      } while (check_token.type !== TOKEN$2.EOF &&
        !(check_token.type === TOKEN$2.END_BLOCK && check_token.opened === current_token));
    }
  
    if ((this._options.brace_style === "expand" ||
        (this._options.brace_style === "none" && current_token.newlines)) &&
      !this._flags.inline_frame) {
      if (this._flags.last_token.type !== TOKEN$2.OPERATOR &&
        (empty_anonymous_function ||
          this._flags.last_token.type === TOKEN$2.EQUALS ||
          (reserved_array(this._flags.last_token, special_words) && this._flags.last_token.text !== 'else'))) {
        this._output.space_before_token = true;
      } else {
        this.print_newline(false, true);
      }
    } else { // collapse || inline_frame
      if (is_array(this._previous_flags.mode) && (this._flags.last_token.type === TOKEN$2.START_EXPR || this._flags.last_token.type === TOKEN$2.COMMA)) {
        if (this._flags.last_token.type === TOKEN$2.COMMA || this._options.space_in_paren) {
          this._output.space_before_token = true;
        }
  
        if (this._flags.last_token.type === TOKEN$2.COMMA || (this._flags.last_token.type === TOKEN$2.START_EXPR && this._flags.inline_frame)) {
          this.allow_wrap_or_preserved_newline(current_token);
          this._previous_flags.multiline_frame = this._previous_flags.multiline_frame || this._flags.multiline_frame;
          this._flags.multiline_frame = false;
        }
      }
      if (this._flags.last_token.type !== TOKEN$2.OPERATOR && this._flags.last_token.type !== TOKEN$2.START_EXPR) {
        if (this._flags.last_token.type === TOKEN$2.START_BLOCK && !this._flags.inline_frame) {
          this.print_newline();
        } else {
          this._output.space_before_token = true;
        }
      }
    }
    this.print_token(current_token);
    this.indent();
  
    // Except for specific cases, open braces are followed by a new line.
    if (!empty_braces && !(this._options.brace_preserve_inline && this._flags.inline_frame)) {
      this.print_newline();
    }
  };
  
  Beautifier$5.prototype.handle_end_block = function(current_token) {
    // statements must all be closed when their container closes
    this.handle_whitespace_and_comments(current_token);
  
    while (this._flags.mode === MODE.Statement) {
      this.restore_mode();
    }
  
    var empty_braces = this._flags.last_token.type === TOKEN$2.START_BLOCK;
  
    if (this._flags.inline_frame && !empty_braces) { // try inline_frame (only set if this._options.braces-preserve-inline) first
      this._output.space_before_token = true;
    } else if (this._options.brace_style === "expand") {
      if (!empty_braces) {
        this.print_newline();
      }
    } else {
      // skip {}
      if (!empty_braces) {
        if (is_array(this._flags.mode) && this._options.keep_array_indentation) {
          // we REALLY need a newline here, but newliner would skip that
          this._options.keep_array_indentation = false;
          this.print_newline();
          this._options.keep_array_indentation = true;
  
        } else {
          this.print_newline();
        }
      }
    }
    this.restore_mode();
    this.print_token(current_token);
  };
  
  Beautifier$5.prototype.handle_word = function(current_token) {
    if (current_token.type === TOKEN$2.RESERVED) {
      if (in_array$1(current_token.text, ['set', 'get']) && this._flags.mode !== MODE.ObjectLiteral) {
        current_token.type = TOKEN$2.WORD;
      } else if (current_token.text === 'import' && this._tokens.peek().text === '(') {
        current_token.type = TOKEN$2.WORD;
      } else if (in_array$1(current_token.text, ['as', 'from']) && !this._flags.import_block) {
        current_token.type = TOKEN$2.WORD;
      } else if (this._flags.mode === MODE.ObjectLiteral) {
        var next_token = this._tokens.peek();
        if (next_token.text === ':') {
          current_token.type = TOKEN$2.WORD;
        }
      }
    }
  
    if (this.start_of_statement(current_token)) {
      // The conditional starts the statement if appropriate.
      if (reserved_array(this._flags.last_token, ['var', 'let', 'const']) && current_token.type === TOKEN$2.WORD) {
        this._flags.declaration_statement = true;
      }
    } else if (current_token.newlines && !is_expression(this._flags.mode) &&
      (this._flags.last_token.type !== TOKEN$2.OPERATOR || (this._flags.last_token.text === '--' || this._flags.last_token.text === '++')) &&
      this._flags.last_token.type !== TOKEN$2.EQUALS &&
      (this._options.preserve_newlines || !reserved_array(this._flags.last_token, ['var', 'let', 'const', 'set', 'get']))) {
      this.handle_whitespace_and_comments(current_token);
      this.print_newline();
    } else {
      this.handle_whitespace_and_comments(current_token);
    }
  
    if (this._flags.do_block && !this._flags.do_while) {
      if (reserved_word(current_token, 'while')) {
        // do {} ## while ()
        this._output.space_before_token = true;
        this.print_token(current_token);
        this._output.space_before_token = true;
        this._flags.do_while = true;
        return;
      } else {
        // do {} should always have while as the next word.
        // if we don't see the expected while, recover
        this.print_newline();
        this._flags.do_block = false;
      }
    }
  
    // if may be followed by else, or not
    // Bare/inline ifs are tricky
    // Need to unwind the modes correctly: if (a) if (b) c(); else d(); else e();
    if (this._flags.if_block) {
      if (!this._flags.else_block && reserved_word(current_token, 'else')) {
        this._flags.else_block = true;
      } else {
        while (this._flags.mode === MODE.Statement) {
          this.restore_mode();
        }
        this._flags.if_block = false;
        this._flags.else_block = false;
      }
    }
  
    if (this._flags.in_case_statement && reserved_array(current_token, ['case', 'default'])) {
      this.print_newline();
      if (this._flags.last_token.type !== TOKEN$2.END_BLOCK && (this._flags.case_body || this._options.jslint_happy)) {
        // switch cases following one another
        this.deindent();
      }
      this._flags.case_body = false;
  
      this.print_token(current_token);
      this._flags.in_case = true;
      return;
    }
  
    if (this._flags.last_token.type === TOKEN$2.COMMA || this._flags.last_token.type === TOKEN$2.START_EXPR || this._flags.last_token.type === TOKEN$2.EQUALS || this._flags.last_token.type === TOKEN$2.OPERATOR) {
      if (!this.start_of_object_property()) {
        this.allow_wrap_or_preserved_newline(current_token);
      }
    }
  
    if (reserved_word(current_token, 'function')) {
      if (in_array$1(this._flags.last_token.text, ['}', ';']) ||
        (this._output.just_added_newline() && !(in_array$1(this._flags.last_token.text, ['(', '[', '{', ':', '=', ',']) || this._flags.last_token.type === TOKEN$2.OPERATOR))) {
        // make sure there is a nice clean space of at least one blank line
        // before a new function definition
        if (!this._output.just_added_blankline() && !current_token.comments_before) {
          this.print_newline();
          this.print_newline(true);
        }
      }
      if (this._flags.last_token.type === TOKEN$2.RESERVED || this._flags.last_token.type === TOKEN$2.WORD) {
        if (reserved_array(this._flags.last_token, ['get', 'set', 'new', 'export']) ||
          reserved_array(this._flags.last_token, newline_restricted_tokens)) {
          this._output.space_before_token = true;
        } else if (reserved_word(this._flags.last_token, 'default') && this._last_last_text === 'export') {
          this._output.space_before_token = true;
        } else if (this._flags.last_token.text === 'declare') {
          // accomodates Typescript declare function formatting
          this._output.space_before_token = true;
        } else {
          this.print_newline();
        }
      } else if (this._flags.last_token.type === TOKEN$2.OPERATOR || this._flags.last_token.text === '=') {
        // foo = function
        this._output.space_before_token = true;
      } else if (!this._flags.multiline_frame && (is_expression(this._flags.mode) || is_array(this._flags.mode))) ; else {
        this.print_newline();
      }
  
      this.print_token(current_token);
      this._flags.last_word = current_token.text;
      return;
    }
  
    var prefix = 'NONE';
  
    if (this._flags.last_token.type === TOKEN$2.END_BLOCK) {
  
      if (this._previous_flags.inline_frame) {
        prefix = 'SPACE';
      } else if (!reserved_array(current_token, ['else', 'catch', 'finally', 'from'])) {
        prefix = 'NEWLINE';
      } else {
        if (this._options.brace_style === "expand" ||
          this._options.brace_style === "end-expand" ||
          (this._options.brace_style === "none" && current_token.newlines)) {
          prefix = 'NEWLINE';
        } else {
          prefix = 'SPACE';
          this._output.space_before_token = true;
        }
      }
    } else if (this._flags.last_token.type === TOKEN$2.SEMICOLON && this._flags.mode === MODE.BlockStatement) {
      // TODO: Should this be for STATEMENT as well?
      prefix = 'NEWLINE';
    } else if (this._flags.last_token.type === TOKEN$2.SEMICOLON && is_expression(this._flags.mode)) {
      prefix = 'SPACE';
    } else if (this._flags.last_token.type === TOKEN$2.STRING) {
      prefix = 'NEWLINE';
    } else if (this._flags.last_token.type === TOKEN$2.RESERVED || this._flags.last_token.type === TOKEN$2.WORD ||
      (this._flags.last_token.text === '*' &&
        (in_array$1(this._last_last_text, ['function', 'yield']) ||
          (this._flags.mode === MODE.ObjectLiteral && in_array$1(this._last_last_text, ['{', ',']))))) {
      prefix = 'SPACE';
    } else if (this._flags.last_token.type === TOKEN$2.START_BLOCK) {
      if (this._flags.inline_frame) {
        prefix = 'SPACE';
      } else {
        prefix = 'NEWLINE';
      }
    } else if (this._flags.last_token.type === TOKEN$2.END_EXPR) {
      this._output.space_before_token = true;
      prefix = 'NEWLINE';
    }
  
    if (reserved_array(current_token, line_starters) && this._flags.last_token.text !== ')') {
      if (this._flags.inline_frame || this._flags.last_token.text === 'else' || this._flags.last_token.text === 'export') {
        prefix = 'SPACE';
      } else {
        prefix = 'NEWLINE';
      }
  
    }
  
    if (reserved_array(current_token, ['else', 'catch', 'finally'])) {
      if ((!(this._flags.last_token.type === TOKEN$2.END_BLOCK && this._previous_flags.mode === MODE.BlockStatement) ||
          this._options.brace_style === "expand" ||
          this._options.brace_style === "end-expand" ||
          (this._options.brace_style === "none" && current_token.newlines)) &&
        !this._flags.inline_frame) {
        this.print_newline();
      } else {
        this._output.trim(true);
        var line = this._output.current_line;
        // If we trimmed and there's something other than a close block before us
        // put a newline back in.  Handles '} // comment' scenario.
        if (line.last() !== '}') {
          this.print_newline();
        }
        this._output.space_before_token = true;
      }
    } else if (prefix === 'NEWLINE') {
      if (reserved_array(this._flags.last_token, special_words)) {
        // no newline between 'return nnn'
        this._output.space_before_token = true;
      } else if (this._flags.last_token.text === 'declare' && reserved_array(current_token, ['var', 'let', 'const'])) {
        // accomodates Typescript declare formatting
        this._output.space_before_token = true;
      } else if (this._flags.last_token.type !== TOKEN$2.END_EXPR) {
        if ((this._flags.last_token.type !== TOKEN$2.START_EXPR || !reserved_array(current_token, ['var', 'let', 'const'])) && this._flags.last_token.text !== ':') {
          // no need to force newline on 'var': for (var x = 0...)
          if (reserved_word(current_token, 'if') && reserved_word(current_token.previous, 'else')) {
            // no newline for } else if {
            this._output.space_before_token = true;
          } else {
            this.print_newline();
          }
        }
      } else if (reserved_array(current_token, line_starters) && this._flags.last_token.text !== ')') {
        this.print_newline();
      }
    } else if (this._flags.multiline_frame && is_array(this._flags.mode) && this._flags.last_token.text === ',' && this._last_last_text === '}') {
      this.print_newline(); // }, in lists get a newline treatment
    } else if (prefix === 'SPACE') {
      this._output.space_before_token = true;
    }
    if (current_token.previous && (current_token.previous.type === TOKEN$2.WORD || current_token.previous.type === TOKEN$2.RESERVED)) {
      this._output.space_before_token = true;
    }
    this.print_token(current_token);
    this._flags.last_word = current_token.text;
  
    if (current_token.type === TOKEN$2.RESERVED) {
      if (current_token.text === 'do') {
        this._flags.do_block = true;
      } else if (current_token.text === 'if') {
        this._flags.if_block = true;
      } else if (current_token.text === 'import') {
        this._flags.import_block = true;
      } else if (this._flags.import_block && reserved_word(current_token, 'from')) {
        this._flags.import_block = false;
      }
    }
  };
  
  Beautifier$5.prototype.handle_semicolon = function(current_token) {
    if (this.start_of_statement(current_token)) {
      // The conditional starts the statement if appropriate.
      // Semicolon can be the start (and end) of a statement
      this._output.space_before_token = false;
    } else {
      this.handle_whitespace_and_comments(current_token);
    }
  
    var next_token = this._tokens.peek();
    while (this._flags.mode === MODE.Statement &&
      !(this._flags.if_block && reserved_word(next_token, 'else')) &&
      !this._flags.do_block) {
      this.restore_mode();
    }
  
    // hacky but effective for the moment
    if (this._flags.import_block) {
      this._flags.import_block = false;
    }
    this.print_token(current_token);
  };
  
  Beautifier$5.prototype.handle_string = function(current_token) {
    if (current_token.text.startsWith("`") && current_token.newlines === 0 && current_token.whitespace_before === '' && (current_token.previous.text === ')' || this._flags.last_token.type === TOKEN$2.WORD)) ; else if (this.start_of_statement(current_token)) {
      // The conditional starts the statement if appropriate.
      // One difference - strings want at least a space before
      this._output.space_before_token = true;
    } else {
      this.handle_whitespace_and_comments(current_token);
      if (this._flags.last_token.type === TOKEN$2.RESERVED || this._flags.last_token.type === TOKEN$2.WORD || this._flags.inline_frame) {
        this._output.space_before_token = true;
      } else if (this._flags.last_token.type === TOKEN$2.COMMA || this._flags.last_token.type === TOKEN$2.START_EXPR || this._flags.last_token.type === TOKEN$2.EQUALS || this._flags.last_token.type === TOKEN$2.OPERATOR) {
        if (!this.start_of_object_property()) {
          this.allow_wrap_or_preserved_newline(current_token);
        }
      } else if ((current_token.text.startsWith("`") && this._flags.last_token.type === TOKEN$2.END_EXPR && (current_token.previous.text === ']' || current_token.previous.text === ')') && current_token.newlines === 0)) {
        this._output.space_before_token = true;
      } else {
        this.print_newline();
      }
    }
    this.print_token(current_token);
  };
  
  Beautifier$5.prototype.handle_equals = function(current_token) {
    if (this.start_of_statement(current_token)) ; else {
      this.handle_whitespace_and_comments(current_token);
    }
  
    if (this._flags.declaration_statement) {
      // just got an '=' in a var-line, different formatting/line-breaking, etc will now be done
      this._flags.declaration_assignment = true;
    }
    this._output.space_before_token = true;
    this.print_token(current_token);
    this._output.space_before_token = true;
  };
  
  Beautifier$5.prototype.handle_comma = function(current_token) {
    this.handle_whitespace_and_comments(current_token, true);
  
    this.print_token(current_token);
    this._output.space_before_token = true;
    if (this._flags.declaration_statement) {
      if (is_expression(this._flags.parent.mode)) {
        // do not break on comma, for(var a = 1, b = 2)
        this._flags.declaration_assignment = false;
      }
  
      if (this._flags.declaration_assignment) {
        this._flags.declaration_assignment = false;
        this.print_newline(false, true);
      } else if (this._options.comma_first) {
        // for comma-first, we want to allow a newline before the comma
        // to turn into a newline after the comma, which we will fixup later
        this.allow_wrap_or_preserved_newline(current_token);
      }
    } else if (this._flags.mode === MODE.ObjectLiteral ||
      (this._flags.mode === MODE.Statement && this._flags.parent.mode === MODE.ObjectLiteral)) {
      if (this._flags.mode === MODE.Statement) {
        this.restore_mode();
      }
  
      if (!this._flags.inline_frame) {
        this.print_newline();
      }
    } else if (this._options.comma_first) {
      // EXPR or DO_BLOCK
      // for comma-first, we want to allow a newline before the comma
      // to turn into a newline after the comma, which we will fixup later
      this.allow_wrap_or_preserved_newline(current_token);
    }
  };
  
  Beautifier$5.prototype.handle_operator = function(current_token) {
    var isGeneratorAsterisk = current_token.text === '*' &&
      (reserved_array(this._flags.last_token, ['function', 'yield']) ||
        (in_array$1(this._flags.last_token.type, [TOKEN$2.START_BLOCK, TOKEN$2.COMMA, TOKEN$2.END_BLOCK, TOKEN$2.SEMICOLON]))
      );
    var isUnary = in_array$1(current_token.text, ['-', '+']) && (
      in_array$1(this._flags.last_token.type, [TOKEN$2.START_BLOCK, TOKEN$2.START_EXPR, TOKEN$2.EQUALS, TOKEN$2.OPERATOR]) ||
      in_array$1(this._flags.last_token.text, line_starters) ||
      this._flags.last_token.text === ','
    );
  
    if (this.start_of_statement(current_token)) ; else {
      var preserve_statement_flags = !isGeneratorAsterisk;
      this.handle_whitespace_and_comments(current_token, preserve_statement_flags);
    }
  
    if (reserved_array(this._flags.last_token, special_words)) {
      // "return" had a special handling in TK_WORD. Now we need to return the favor
      this._output.space_before_token = true;
      this.print_token(current_token);
      return;
    }
  
    // hack for actionscript's import .*;
    if (current_token.text === '*' && this._flags.last_token.type === TOKEN$2.DOT) {
      this.print_token(current_token);
      return;
    }
  
    if (current_token.text === '::') {
      // no spaces around exotic namespacing syntax operator
      this.print_token(current_token);
      return;
    }
  
    // Allow line wrapping between operators when operator_position is
    //   set to before or preserve
    if (this._flags.last_token.type === TOKEN$2.OPERATOR && in_array$1(this._options.operator_position, OPERATOR_POSITION_BEFORE_OR_PRESERVE)) {
      this.allow_wrap_or_preserved_newline(current_token);
    }
  
    if (current_token.text === ':' && this._flags.in_case) {
      this.print_token(current_token);
  
      this._flags.in_case = false;
      this._flags.case_body = true;
      if (this._tokens.peek().type !== TOKEN$2.START_BLOCK) {
        this.indent();
        this.print_newline();
      } else {
        this._output.space_before_token = true;
      }
      return;
    }
  
    var space_before = true;
    var space_after = true;
    var in_ternary = false;
    if (current_token.text === ':') {
      if (this._flags.ternary_depth === 0) {
        // Colon is invalid javascript outside of ternary and object, but do our best to guess what was meant.
        space_before = false;
      } else {
        this._flags.ternary_depth -= 1;
        in_ternary = true;
      }
    } else if (current_token.text === '?') {
      this._flags.ternary_depth += 1;
    }
  
    // let's handle the operator_position option prior to any conflicting logic
    if (!isUnary && !isGeneratorAsterisk && this._options.preserve_newlines && in_array$1(current_token.text, positionable_operators)) {
      var isColon = current_token.text === ':';
      var isTernaryColon = (isColon && in_ternary);
      var isOtherColon = (isColon && !in_ternary);
  
      switch (this._options.operator_position) {
        case OPERATOR_POSITION.before_newline:
          // if the current token is : and it's not a ternary statement then we set space_before to false
          this._output.space_before_token = !isOtherColon;
  
          this.print_token(current_token);
  
          if (!isColon || isTernaryColon) {
            this.allow_wrap_or_preserved_newline(current_token);
          }
  
          this._output.space_before_token = true;
          return;
  
        case OPERATOR_POSITION.after_newline:
          // if the current token is anything but colon, or (via deduction) it's a colon and in a ternary statement,
          //   then print a newline.
  
          this._output.space_before_token = true;
  
          if (!isColon || isTernaryColon) {
            if (this._tokens.peek().newlines) {
              this.print_newline(false, true);
            } else {
              this.allow_wrap_or_preserved_newline(current_token);
            }
          } else {
            this._output.space_before_token = false;
          }
  
          this.print_token(current_token);
  
          this._output.space_before_token = true;
          return;
  
        case OPERATOR_POSITION.preserve_newline:
          if (!isOtherColon) {
            this.allow_wrap_or_preserved_newline(current_token);
          }
  
          // if we just added a newline, or the current token is : and it's not a ternary statement,
          //   then we set space_before to false
          space_before = !(this._output.just_added_newline() || isOtherColon);
  
          this._output.space_before_token = space_before;
          this.print_token(current_token);
          this._output.space_before_token = true;
          return;
      }
    }
  
    if (isGeneratorAsterisk) {
      this.allow_wrap_or_preserved_newline(current_token);
      space_before = false;
      var next_token = this._tokens.peek();
      space_after = next_token && in_array$1(next_token.type, [TOKEN$2.WORD, TOKEN$2.RESERVED]);
    } else if (current_token.text === '...') {
      this.allow_wrap_or_preserved_newline(current_token);
      space_before = this._flags.last_token.type === TOKEN$2.START_BLOCK;
      space_after = false;
    } else if (in_array$1(current_token.text, ['--', '++', '!', '~']) || isUnary) {
      // unary operators (and binary +/- pretending to be unary) special cases
      if (this._flags.last_token.type === TOKEN$2.COMMA || this._flags.last_token.type === TOKEN$2.START_EXPR) {
        this.allow_wrap_or_preserved_newline(current_token);
      }
  
      space_before = false;
      space_after = false;
  
      // http://www.ecma-international.org/ecma-262/5.1/#sec-7.9.1
      // if there is a newline between -- or ++ and anything else we should preserve it.
      if (current_token.newlines && (current_token.text === '--' || current_token.text === '++')) {
        this.print_newline(false, true);
      }
  
      if (this._flags.last_token.text === ';' && is_expression(this._flags.mode)) {
        // for (;; ++i)
        //        ^^^
        space_before = true;
      }
  
      if (this._flags.last_token.type === TOKEN$2.RESERVED) {
        space_before = true;
      } else if (this._flags.last_token.type === TOKEN$2.END_EXPR) {
        space_before = !(this._flags.last_token.text === ']' && (current_token.text === '--' || current_token.text === '++'));
      } else if (this._flags.last_token.type === TOKEN$2.OPERATOR) {
        // a++ + ++b;
        // a - -b
        space_before = in_array$1(current_token.text, ['--', '-', '++', '+']) && in_array$1(this._flags.last_token.text, ['--', '-', '++', '+']);
        // + and - are not unary when preceeded by -- or ++ operator
        // a-- + b
        // a * +b
        // a - -b
        if (in_array$1(current_token.text, ['+', '-']) && in_array$1(this._flags.last_token.text, ['--', '++'])) {
          space_after = true;
        }
      }
  
  
      if (((this._flags.mode === MODE.BlockStatement && !this._flags.inline_frame) || this._flags.mode === MODE.Statement) &&
        (this._flags.last_token.text === '{' || this._flags.last_token.text === ';')) {
        // { foo; --i }
        // foo(); --bar;
        this.print_newline();
      }
    }
  
    this._output.space_before_token = this._output.space_before_token || space_before;
    this.print_token(current_token);
    this._output.space_before_token = space_after;
  };
  
  Beautifier$5.prototype.handle_block_comment = function(current_token, preserve_statement_flags) {
    if (this._output.raw) {
      this._output.add_raw_token(current_token);
      if (current_token.directives && current_token.directives.preserve === 'end') {
        // If we're testing the raw output behavior, do not allow a directive to turn it off.
        this._output.raw = this._options.test_output_raw;
      }
      return;
    }
  
    if (current_token.directives) {
      this.print_newline(false, preserve_statement_flags);
      this.print_token(current_token);
      if (current_token.directives.preserve === 'start') {
        this._output.raw = true;
      }
      this.print_newline(false, true);
      return;
    }
  
    // inline block
    if (!acorn.newline.test(current_token.text) && !current_token.newlines) {
      this._output.space_before_token = true;
      this.print_token(current_token);
      this._output.space_before_token = true;
      return;
    } else {
      this.print_block_commment(current_token, preserve_statement_flags);
    }
  };
  
  Beautifier$5.prototype.print_block_commment = function(current_token, preserve_statement_flags) {
    var lines = split_linebreaks(current_token.text);
    var j; // iterator for this case
    var javadoc = false;
    var starless = false;
    var lastIndent = current_token.whitespace_before;
    var lastIndentLength = lastIndent.length;
  
    // block comment starts with a new line
    this.print_newline(false, preserve_statement_flags);
  
    // first line always indented
    this.print_token_line_indentation(current_token);
    this._output.add_token(lines[0]);
    this.print_newline(false, preserve_statement_flags);
  
  
    if (lines.length > 1) {
      lines = lines.slice(1);
      javadoc = all_lines_start_with(lines, '*');
      starless = each_line_matches_indent(lines, lastIndent);
  
      if (javadoc) {
        this._flags.alignment = 1;
      }
  
      for (j = 0; j < lines.length; j++) {
        if (javadoc) {
          // javadoc: reformat and re-indent
          this.print_token_line_indentation(current_token);
          this._output.add_token(ltrim(lines[j]));
        } else if (starless && lines[j]) {
          // starless: re-indent non-empty content, avoiding trim
          this.print_token_line_indentation(current_token);
          this._output.add_token(lines[j].substring(lastIndentLength));
        } else {
          // normal comments output raw
          this._output.current_line.set_indent(-1);
          this._output.add_token(lines[j]);
        }
  
        // for comments on their own line or  more than one line, make sure there's a new line after
        this.print_newline(false, preserve_statement_flags);
      }
  
      this._flags.alignment = 0;
    }
  };
  
  
  Beautifier$5.prototype.handle_comment = function(current_token, preserve_statement_flags) {
    if (current_token.newlines) {
      this.print_newline(false, preserve_statement_flags);
    } else {
      this._output.trim(true);
    }
  
    this._output.space_before_token = true;
    this.print_token(current_token);
    this.print_newline(false, preserve_statement_flags);
  };
  
  Beautifier$5.prototype.handle_dot = function(current_token) {
    if (this.start_of_statement(current_token)) ; else {
      this.handle_whitespace_and_comments(current_token, true);
    }
  
    if (reserved_array(this._flags.last_token, special_words)) {
      this._output.space_before_token = false;
    } else {
      // allow preserved newlines before dots in general
      // force newlines on dots after close paren when break_chained - for bar().baz()
      this.allow_wrap_or_preserved_newline(current_token,
        this._flags.last_token.text === ')' && this._options.break_chained_methods);
    }
  
    // Only unindent chained method dot if this dot starts a new line.
    // Otherwise the automatic extra indentation removal will handle the over indent
    if (this._options.unindent_chained_methods && this._output.just_added_newline()) {
      this.deindent();
    }
  
    this.print_token(current_token);
  };
  
  Beautifier$5.prototype.handle_unknown = function(current_token, preserve_statement_flags) {
    this.print_token(current_token);
  
    if (current_token.text[current_token.text.length - 1] === '\n') {
      this.print_newline(false, preserve_statement_flags);
    }
  };
  
  Beautifier$5.prototype.handle_eof = function(current_token) {
    // Unwind any open statements
    while (this._flags.mode === MODE.Statement) {
      this.restore_mode();
    }
    this.handle_whitespace_and_comments(current_token);
  };
  
  beautifier$2.Beautifier = Beautifier$5;
  
  /*jshint node:true */
  
  var Beautifier$4 = beautifier$2.Beautifier,
    Options$6 = options$3.Options;
  
  function js_beautify$1(js_source_text, options) {
    var beautifier = new Beautifier$4(js_source_text, options);
    return beautifier.beautify();
  }
  
  javascript.exports = js_beautify$1;
  javascript.exports.defaultOptions = function() {
    return new Options$6();
  };
  
  var css = {exports: {}};
  
  var beautifier$1 = {};
  
  var options$1 = {};
  
  /*jshint node:true */
  
  var BaseOptions$1 = options$2.Options;
  
  function Options$5(options) {
    BaseOptions$1.call(this, options, 'css');
  
    this.selector_separator_newline = this._get_boolean('selector_separator_newline', true);
    this.newline_between_rules = this._get_boolean('newline_between_rules', true);
    var space_around_selector_separator = this._get_boolean('space_around_selector_separator');
    this.space_around_combinator = this._get_boolean('space_around_combinator') || space_around_selector_separator;
  
    var brace_style_split = this._get_selection_list('brace_style', ['collapse', 'expand', 'end-expand', 'none', 'preserve-inline']);
    this.brace_style = 'collapse';
    for (var bs = 0; bs < brace_style_split.length; bs++) {
      if (brace_style_split[bs] !== 'expand') {
        // default to collapse, as only collapse|expand is implemented for now
        this.brace_style = 'collapse';
      } else {
        this.brace_style = brace_style_split[bs];
      }
    }
  }
  Options$5.prototype = new BaseOptions$1();
  
  
  
  options$1.Options = Options$5;
  
  /*jshint node:true */
  
  var Options$4 = options$1.Options;
  var Output$1 = output.Output;
  var InputScanner = inputscanner.InputScanner;
  var Directives$1 = directives.Directives;
  
  var directives_core$1 = new Directives$1(/\/\*/, /\*\//);
  
  var lineBreak$1 = /\r\n|[\r\n]/;
  var allLineBreaks$1 = /\r\n|[\r\n]/g;
  
  // tokenizer
  var whitespaceChar = /\s/;
  var whitespacePattern = /(?:\s|\n)+/g;
  var block_comment_pattern = /\/\*(?:[\s\S]*?)((?:\*\/)|$)/g;
  var comment_pattern = /\/\/(?:[^\n\r\u2028\u2029]*)/g;
  
  function Beautifier$3(source_text, options) {
    this._source_text = source_text || '';
    // Allow the setting of language/file-type specific options
    // with inheritance of overall settings
    this._options = new Options$4(options);
    this._ch = null;
    this._input = null;
  
    // https://developer.mozilla.org/en-US/docs/Web/CSS/At-rule
    this.NESTED_AT_RULE = {
      "@page": true,
      "@font-face": true,
      "@keyframes": true,
      // also in CONDITIONAL_GROUP_RULE below
      "@media": true,
      "@supports": true,
      "@document": true
    };
    this.CONDITIONAL_GROUP_RULE = {
      "@media": true,
      "@supports": true,
      "@document": true
    };
  
  }
  
  Beautifier$3.prototype.eatString = function(endChars) {
    var result = '';
    this._ch = this._input.next();
    while (this._ch) {
      result += this._ch;
      if (this._ch === "\\") {
        result += this._input.next();
      } else if (endChars.indexOf(this._ch) !== -1 || this._ch === "\n") {
        break;
      }
      this._ch = this._input.next();
    }
    return result;
  };
  
  // Skips any white space in the source text from the current position.
  // When allowAtLeastOneNewLine is true, will output new lines for each
  // newline character found; if the user has preserve_newlines off, only
  // the first newline will be output
  Beautifier$3.prototype.eatWhitespace = function(allowAtLeastOneNewLine) {
    var result = whitespaceChar.test(this._input.peek());
    var newline_count = 0;
    while (whitespaceChar.test(this._input.peek())) {
      this._ch = this._input.next();
      if (allowAtLeastOneNewLine && this._ch === '\n') {
        if (newline_count === 0 || newline_count < this._options.max_preserve_newlines) {
          newline_count++;
          this._output.add_new_line(true);
        }
      }
    }
    return result;
  };
  
  // Nested pseudo-class if we are insideRule
  // and the next special character found opens
  // a new block
  Beautifier$3.prototype.foundNestedPseudoClass = function() {
    var openParen = 0;
    var i = 1;
    var ch = this._input.peek(i);
    while (ch) {
      if (ch === "{") {
        return true;
      } else if (ch === '(') {
        // pseudoclasses can contain ()
        openParen += 1;
      } else if (ch === ')') {
        if (openParen === 0) {
          return false;
        }
        openParen -= 1;
      } else if (ch === ";" || ch === "}") {
        return false;
      }
      i++;
      ch = this._input.peek(i);
    }
    return false;
  };
  
  Beautifier$3.prototype.print_string = function(output_string) {
    this._output.set_indent(this._indentLevel);
    this._output.non_breaking_space = true;
    this._output.add_token(output_string);
  };
  
  Beautifier$3.prototype.preserveSingleSpace = function(isAfterSpace) {
    if (isAfterSpace) {
      this._output.space_before_token = true;
    }
  };
  
  Beautifier$3.prototype.indent = function() {
    this._indentLevel++;
  };
  
  Beautifier$3.prototype.outdent = function() {
    if (this._indentLevel > 0) {
      this._indentLevel--;
    }
  };
  
  /*_____________________--------------------_____________________*/
  
  Beautifier$3.prototype.beautify = function() {
    if (this._options.disabled) {
      return this._source_text;
    }
  
    var source_text = this._source_text;
    var eol = this._options.eol;
    if (eol === 'auto') {
      eol = '\n';
      if (source_text && lineBreak$1.test(source_text || '')) {
        eol = source_text.match(lineBreak$1)[0];
      }
    }
  
  
    // HACK: newline parsing inconsistent. This brute force normalizes the this._input.
    source_text = source_text.replace(allLineBreaks$1, '\n');
  
    // reset
    var baseIndentString = source_text.match(/^[\t ]*/)[0];
  
    this._output = new Output$1(this._options, baseIndentString);
    this._input = new InputScanner(source_text);
    this._indentLevel = 0;
    this._nestedLevel = 0;
  
    this._ch = null;
    var parenLevel = 0;
  
    var insideRule = false;
    // This is the value side of a property value pair (blue in the following ex)
    // label { content: blue }
    var insidePropertyValue = false;
    var enteringConditionalGroup = false;
    var insideAtExtend = false;
    var insideAtImport = false;
    var topCharacter = this._ch;
    var whitespace;
    var isAfterSpace;
    var previous_ch;
  
    while (true) {
      whitespace = this._input.read(whitespacePattern);
      isAfterSpace = whitespace !== '';
      previous_ch = topCharacter;
      this._ch = this._input.next();
      if (this._ch === '\\' && this._input.hasNext()) {
        this._ch += this._input.next();
      }
      topCharacter = this._ch;
  
      if (!this._ch) {
        break;
      } else if (this._ch === '/' && this._input.peek() === '*') {
        // /* css comment */
        // Always start block comments on a new line.
        // This handles scenarios where a block comment immediately
        // follows a property definition on the same line or where
        // minified code is being beautified.
        this._output.add_new_line();
        this._input.back();
  
        var comment = this._input.read(block_comment_pattern);
  
        // Handle ignore directive
        var directives = directives_core$1.get_directives(comment);
        if (directives && directives.ignore === 'start') {
          comment += directives_core$1.readIgnored(this._input);
        }
  
        this.print_string(comment);
  
        // Ensures any new lines following the comment are preserved
        this.eatWhitespace(true);
  
        // Block comments are followed by a new line so they don't
        // share a line with other properties
        this._output.add_new_line();
      } else if (this._ch === '/' && this._input.peek() === '/') {
        // // single line comment
        // Preserves the space before a comment
        // on the same line as a rule
        this._output.space_before_token = true;
        this._input.back();
        this.print_string(this._input.read(comment_pattern));
  
        // Ensures any new lines following the comment are preserved
        this.eatWhitespace(true);
      } else if (this._ch === '@') {
        this.preserveSingleSpace(isAfterSpace);
  
        // deal with less propery mixins @{...}
        if (this._input.peek() === '{') {
          this.print_string(this._ch + this.eatString('}'));
        } else {
          this.print_string(this._ch);
  
          // strip trailing space, if present, for hash property checks
          var variableOrRule = this._input.peekUntilAfter(/[: ,;{}()[\]\/='"]/g);
  
          if (variableOrRule.match(/[ :]$/)) {
            // we have a variable or pseudo-class, add it and insert one space before continuing
            variableOrRule = this.eatString(": ").replace(/\s$/, '');
            this.print_string(variableOrRule);
            this._output.space_before_token = true;
          }
  
          variableOrRule = variableOrRule.replace(/\s$/, '');
  
          if (variableOrRule === 'extend') {
            insideAtExtend = true;
          } else if (variableOrRule === 'import') {
            insideAtImport = true;
          }
  
          // might be a nesting at-rule
          if (variableOrRule in this.NESTED_AT_RULE) {
            this._nestedLevel += 1;
            if (variableOrRule in this.CONDITIONAL_GROUP_RULE) {
              enteringConditionalGroup = true;
            }
            // might be less variable
          } else if (!insideRule && parenLevel === 0 && variableOrRule.indexOf(':') !== -1) {
            insidePropertyValue = true;
            this.indent();
          }
        }
      } else if (this._ch === '#' && this._input.peek() === '{') {
        this.preserveSingleSpace(isAfterSpace);
        this.print_string(this._ch + this.eatString('}'));
      } else if (this._ch === '{') {
        if (insidePropertyValue) {
          insidePropertyValue = false;
          this.outdent();
        }
  
        // when entering conditional groups, only rulesets are allowed
        if (enteringConditionalGroup) {
          enteringConditionalGroup = false;
          insideRule = (this._indentLevel >= this._nestedLevel);
        } else {
          // otherwise, declarations are also allowed
          insideRule = (this._indentLevel >= this._nestedLevel - 1);
        }
        if (this._options.newline_between_rules && insideRule) {
          if (this._output.previous_line && this._output.previous_line.item(-1) !== '{') {
            this._output.ensure_empty_line_above('/', ',');
          }
        }
  
        this._output.space_before_token = true;
  
        // The difference in print_string and indent order is necessary to indent the '{' correctly
        if (this._options.brace_style === 'expand') {
          this._output.add_new_line();
          this.print_string(this._ch);
          this.indent();
          this._output.set_indent(this._indentLevel);
        } else {
          this.indent();
          this.print_string(this._ch);
        }
  
        this.eatWhitespace(true);
        this._output.add_new_line();
      } else if (this._ch === '}') {
        this.outdent();
        this._output.add_new_line();
        if (previous_ch === '{') {
          this._output.trim(true);
        }
        insideAtImport = false;
        insideAtExtend = false;
        if (insidePropertyValue) {
          this.outdent();
          insidePropertyValue = false;
        }
        this.print_string(this._ch);
        insideRule = false;
        if (this._nestedLevel) {
          this._nestedLevel--;
        }
  
        this.eatWhitespace(true);
        this._output.add_new_line();
  
        if (this._options.newline_between_rules && !this._output.just_added_blankline()) {
          if (this._input.peek() !== '}') {
            this._output.add_new_line(true);
          }
        }
      } else if (this._ch === ":") {
        if ((insideRule || enteringConditionalGroup) && !(this._input.lookBack("&") || this.foundNestedPseudoClass()) && !this._input.lookBack("(") && !insideAtExtend && parenLevel === 0) {
          // 'property: value' delimiter
          // which could be in a conditional group query
          this.print_string(':');
          if (!insidePropertyValue) {
            insidePropertyValue = true;
            this._output.space_before_token = true;
            this.eatWhitespace(true);
            this.indent();
          }
        } else {
          // sass/less parent reference don't use a space
          // sass nested pseudo-class don't use a space
  
          // preserve space before pseudoclasses/pseudoelements, as it means "in any child"
          if (this._input.lookBack(" ")) {
            this._output.space_before_token = true;
          }
          if (this._input.peek() === ":") {
            // pseudo-element
            this._ch = this._input.next();
            this.print_string("::");
          } else {
            // pseudo-class
            this.print_string(':');
          }
        }
      } else if (this._ch === '"' || this._ch === '\'') {
        this.preserveSingleSpace(isAfterSpace);
        this.print_string(this._ch + this.eatString(this._ch));
        this.eatWhitespace(true);
      } else if (this._ch === ';') {
        if (parenLevel === 0) {
          if (insidePropertyValue) {
            this.outdent();
            insidePropertyValue = false;
          }
          insideAtExtend = false;
          insideAtImport = false;
          this.print_string(this._ch);
          this.eatWhitespace(true);
  
          // This maintains single line comments on the same
          // line. Block comments are also affected, but
          // a new line is always output before one inside
          // that section
          if (this._input.peek() !== '/') {
            this._output.add_new_line();
          }
        } else {
          this.print_string(this._ch);
          this.eatWhitespace(true);
          this._output.space_before_token = true;
        }
      } else if (this._ch === '(') { // may be a url
        if (this._input.lookBack("url")) {
          this.print_string(this._ch);
          this.eatWhitespace();
          parenLevel++;
          this.indent();
          this._ch = this._input.next();
          if (this._ch === ')' || this._ch === '"' || this._ch === '\'') {
            this._input.back();
          } else if (this._ch) {
            this.print_string(this._ch + this.eatString(')'));
            if (parenLevel) {
              parenLevel--;
              this.outdent();
            }
          }
        } else {
          this.preserveSingleSpace(isAfterSpace);
          this.print_string(this._ch);
          this.eatWhitespace();
          parenLevel++;
          this.indent();
        }
      } else if (this._ch === ')') {
        if (parenLevel) {
          parenLevel--;
          this.outdent();
        }
        this.print_string(this._ch);
      } else if (this._ch === ',') {
        this.print_string(this._ch);
        this.eatWhitespace(true);
        if (this._options.selector_separator_newline && !insidePropertyValue && parenLevel === 0 && !insideAtImport && !insideAtExtend) {
          this._output.add_new_line();
        } else {
          this._output.space_before_token = true;
        }
      } else if ((this._ch === '>' || this._ch === '+' || this._ch === '~') && !insidePropertyValue && parenLevel === 0) {
        //handle combinator spacing
        if (this._options.space_around_combinator) {
          this._output.space_before_token = true;
          this.print_string(this._ch);
          this._output.space_before_token = true;
        } else {
          this.print_string(this._ch);
          this.eatWhitespace();
          // squash extra whitespace
          if (this._ch && whitespaceChar.test(this._ch)) {
            this._ch = '';
          }
        }
      } else if (this._ch === ']') {
        this.print_string(this._ch);
      } else if (this._ch === '[') {
        this.preserveSingleSpace(isAfterSpace);
        this.print_string(this._ch);
      } else if (this._ch === '=') { // no whitespace before or after
        this.eatWhitespace();
        this.print_string('=');
        if (whitespaceChar.test(this._ch)) {
          this._ch = '';
        }
      } else if (this._ch === '!' && !this._input.lookBack("\\")) { // !important
        this.print_string(' ');
        this.print_string(this._ch);
      } else {
        this.preserveSingleSpace(isAfterSpace);
        this.print_string(this._ch);
      }
    }
  
    var sweetCode = this._output.get_code(eol);
  
    return sweetCode;
  };
  
  beautifier$1.Beautifier = Beautifier$3;
  
  /*jshint node:true */
  
  var Beautifier$2 = beautifier$1.Beautifier,
    Options$3 = options$1.Options;
  
  function css_beautify$1(source_text, options) {
    var beautifier = new Beautifier$2(source_text, options);
    return beautifier.beautify();
  }
  
  css.exports = css_beautify$1;
  css.exports.defaultOptions = function() {
    return new Options$3();
  };
  
  var html = {exports: {}};
  
  var beautifier = {};
  
  var options = {};
  
  /*jshint node:true */
  
  var BaseOptions = options$2.Options;
  
  function Options$2(options) {
    BaseOptions.call(this, options, 'html');
    if (this.templating.length === 1 && this.templating[0] === 'auto') {
      this.templating = ['django', 'erb', 'handlebars', 'php'];
    }
  
    this.indent_inner_html = this._get_boolean('indent_inner_html');
    this.indent_body_inner_html = this._get_boolean('indent_body_inner_html', true);
    this.indent_head_inner_html = this._get_boolean('indent_head_inner_html', true);
  
    this.indent_handlebars = this._get_boolean('indent_handlebars', true);
    this.wrap_attributes = this._get_selection('wrap_attributes',
      ['auto', 'force', 'force-aligned', 'force-expand-multiline', 'aligned-multiple', 'preserve', 'preserve-aligned']);
    this.wrap_attributes_indent_size = this._get_number('wrap_attributes_indent_size', this.indent_size);
    this.extra_liners = this._get_array('extra_liners', ['head', 'body', '/html']);
  
    // Block vs inline elements
    // https://developer.mozilla.org/en-US/docs/Web/HTML/Block-level_elements
    // https://developer.mozilla.org/en-US/docs/Web/HTML/Inline_elements
    // https://www.w3.org/TR/html5/dom.html#phrasing-content
    this.inline = this._get_array('inline', [
      'a', 'abbr', 'area', 'audio', 'b', 'bdi', 'bdo', 'br', 'button', 'canvas', 'cite',
      'code', 'data', 'datalist', 'del', 'dfn', 'em', 'embed', 'i', 'iframe', 'img',
      'input', 'ins', 'kbd', 'keygen', 'label', 'map', 'mark', 'math', 'meter', 'noscript',
      'object', 'output', 'progress', 'q', 'ruby', 's', 'samp', /* 'script', */ 'select', 'small',
      'span', 'strong', 'sub', 'sup', 'svg', 'template', 'textarea', 'time', 'u', 'var',
      'video', 'wbr', 'text',
      // obsolete inline tags
      'acronym', 'big', 'strike', 'tt'
    ]);
    this.void_elements = this._get_array('void_elements', [
      // HTLM void elements - aka self-closing tags - aka singletons
      // https://www.w3.org/html/wg/drafts/html/master/syntax.html#void-elements
      'area', 'base', 'br', 'col', 'embed', 'hr', 'img', 'input', 'keygen',
      'link', 'menuitem', 'meta', 'param', 'source', 'track', 'wbr',
      // NOTE: Optional tags are too complex for a simple list
      // they are hard coded in _do_optional_end_element
  
      // Doctype and xml elements
      '!doctype', '?xml',
  
      // obsolete tags
      // basefont: https://www.computerhope.com/jargon/h/html-basefont-tag.htm
      // isndex: https://developer.mozilla.org/en-US/docs/Web/HTML/Element/isindex
      'basefont', 'isindex'
    ]);
    this.unformatted = this._get_array('unformatted', []);
    this.content_unformatted = this._get_array('content_unformatted', [
      'pre', 'textarea'
    ]);
    this.unformatted_content_delimiter = this._get_characters('unformatted_content_delimiter');
    this.indent_scripts = this._get_selection('indent_scripts', ['normal', 'keep', 'separate']);
  
  }
  Options$2.prototype = new BaseOptions();
  
  
  
  options.Options = Options$2;
  
  var tokenizer = {};
  
  /*jshint node:true */
  
  var BaseTokenizer = tokenizer$1.Tokenizer;
  var BASETOKEN = tokenizer$1.TOKEN;
  var Directives = directives.Directives;
  var TemplatablePattern = templatablepattern.TemplatablePattern;
  var Pattern = pattern.Pattern;
  
  var TOKEN$1 = {
    TAG_OPEN: 'TK_TAG_OPEN',
    TAG_CLOSE: 'TK_TAG_CLOSE',
    ATTRIBUTE: 'TK_ATTRIBUTE',
    EQUALS: 'TK_EQUALS',
    VALUE: 'TK_VALUE',
    COMMENT: 'TK_COMMENT',
    TEXT: 'TK_TEXT',
    UNKNOWN: 'TK_UNKNOWN',
    START: BASETOKEN.START,
    RAW: BASETOKEN.RAW,
    EOF: BASETOKEN.EOF
  };
  
  var directives_core = new Directives(/<\!--/, /-->/);
  
  var Tokenizer$1 = function(input_string, options) {
    BaseTokenizer.call(this, input_string, options);
    this._current_tag_name = '';
  
    // Words end at whitespace or when a tag starts
    // if we are indenting handlebars, they are considered tags
    var templatable_reader = new TemplatablePattern(this._input).read_options(this._options);
    var pattern_reader = new Pattern(this._input);
  
    this.__patterns = {
      word: templatable_reader.until(/[\n\r\t <]/),
      single_quote: templatable_reader.until_after(/'/),
      double_quote: templatable_reader.until_after(/"/),
      attribute: templatable_reader.until(/[\n\r\t =>]|\/>/),
      element_name: templatable_reader.until(/[\n\r\t >\/]/),
  
      handlebars_comment: pattern_reader.starting_with(/{{!--/).until_after(/--}}/),
      handlebars: pattern_reader.starting_with(/{{/).until_after(/}}/),
      handlebars_open: pattern_reader.until(/[\n\r\t }]/),
      handlebars_raw_close: pattern_reader.until(/}}/),
      comment: pattern_reader.starting_with(/<!--/).until_after(/-->/),
      cdata: pattern_reader.starting_with(/<!\[CDATA\[/).until_after(/]]>/),
      // https://en.wikipedia.org/wiki/Conditional_comment
      conditional_comment: pattern_reader.starting_with(/<!\[/).until_after(/]>/),
      processing: pattern_reader.starting_with(/<\?/).until_after(/\?>/)
    };
  
    if (this._options.indent_handlebars) {
      this.__patterns.word = this.__patterns.word.exclude('handlebars');
    }
  
    this._unformatted_content_delimiter = null;
  
    if (this._options.unformatted_content_delimiter) {
      var literal_regexp = this._input.get_literal_regexp(this._options.unformatted_content_delimiter);
      this.__patterns.unformatted_content_delimiter =
        pattern_reader.matching(literal_regexp)
        .until_after(literal_regexp);
    }
  };
  Tokenizer$1.prototype = new BaseTokenizer();
  
  Tokenizer$1.prototype._is_comment = function(current_token) { // jshint unused:false
    return false; //current_token.type === TOKEN.COMMENT || current_token.type === TOKEN.UNKNOWN;
  };
  
  Tokenizer$1.prototype._is_opening = function(current_token) {
    return current_token.type === TOKEN$1.TAG_OPEN;
  };
  
  Tokenizer$1.prototype._is_closing = function(current_token, open_token) {
    return current_token.type === TOKEN$1.TAG_CLOSE &&
      (open_token && (
        ((current_token.text === '>' || current_token.text === '/>') && open_token.text[0] === '<') ||
        (current_token.text === '}}' && open_token.text[0] === '{' && open_token.text[1] === '{')));
  };
  
  Tokenizer$1.prototype._reset = function() {
    this._current_tag_name = '';
  };
  
  Tokenizer$1.prototype._get_next_token = function(previous_token, open_token) { // jshint unused:false
    var token = null;
    this._readWhitespace();
    var c = this._input.peek();
  
    if (c === null) {
      return this._create_token(TOKEN$1.EOF, '');
    }
  
    token = token || this._read_open_handlebars(c, open_token);
    token = token || this._read_attribute(c, previous_token, open_token);
    token = token || this._read_close(c, open_token);
    token = token || this._read_raw_content(c, previous_token, open_token);
    token = token || this._read_content_word(c);
    token = token || this._read_comment_or_cdata(c);
    token = token || this._read_processing(c);
    token = token || this._read_open(c, open_token);
    token = token || this._create_token(TOKEN$1.UNKNOWN, this._input.next());
  
    return token;
  };
  
  Tokenizer$1.prototype._read_comment_or_cdata = function(c) { // jshint unused:false
    var token = null;
    var resulting_string = null;
    var directives = null;
  
    if (c === '<') {
      var peek1 = this._input.peek(1);
      // We treat all comments as literals, even more than preformatted tags
      // we only look for the appropriate closing marker
      if (peek1 === '!') {
        resulting_string = this.__patterns.comment.read();
  
        // only process directive on html comments
        if (resulting_string) {
          directives = directives_core.get_directives(resulting_string);
          if (directives && directives.ignore === 'start') {
            resulting_string += directives_core.readIgnored(this._input);
          }
        } else {
          resulting_string = this.__patterns.cdata.read();
        }
      }
  
      if (resulting_string) {
        token = this._create_token(TOKEN$1.COMMENT, resulting_string);
        token.directives = directives;
      }
    }
  
    return token;
  };
  
  Tokenizer$1.prototype._read_processing = function(c) { // jshint unused:false
    var token = null;
    var resulting_string = null;
    var directives = null;
  
    if (c === '<') {
      var peek1 = this._input.peek(1);
      if (peek1 === '!' || peek1 === '?') {
        resulting_string = this.__patterns.conditional_comment.read();
        resulting_string = resulting_string || this.__patterns.processing.read();
      }
  
      if (resulting_string) {
        token = this._create_token(TOKEN$1.COMMENT, resulting_string);
        token.directives = directives;
      }
    }
  
    return token;
  };
  
  Tokenizer$1.prototype._read_open = function(c, open_token) {
    var resulting_string = null;
    var token = null;
    if (!open_token) {
      if (c === '<') {
  
        resulting_string = this._input.next();
        if (this._input.peek() === '/') {
          resulting_string += this._input.next();
        }
        resulting_string += this.__patterns.element_name.read();
        token = this._create_token(TOKEN$1.TAG_OPEN, resulting_string);
      }
    }
    return token;
  };
  
  Tokenizer$1.prototype._read_open_handlebars = function(c, open_token) {
    var resulting_string = null;
    var token = null;
    if (!open_token) {
      if (this._options.indent_handlebars && c === '{' && this._input.peek(1) === '{') {
        if (this._input.peek(2) === '!') {
          resulting_string = this.__patterns.handlebars_comment.read();
          resulting_string = resulting_string || this.__patterns.handlebars.read();
          token = this._create_token(TOKEN$1.COMMENT, resulting_string);
        } else {
          resulting_string = this.__patterns.handlebars_open.read();
          token = this._create_token(TOKEN$1.TAG_OPEN, resulting_string);
        }
      }
    }
    return token;
  };
  
  
  Tokenizer$1.prototype._read_close = function(c, open_token) {
    var resulting_string = null;
    var token = null;
    if (open_token) {
      if (open_token.text[0] === '<' && (c === '>' || (c === '/' && this._input.peek(1) === '>'))) {
        resulting_string = this._input.next();
        if (c === '/') { //  for close tag "/>"
          resulting_string += this._input.next();
        }
        token = this._create_token(TOKEN$1.TAG_CLOSE, resulting_string);
      } else if (open_token.text[0] === '{' && c === '}' && this._input.peek(1) === '}') {
        this._input.next();
        this._input.next();
        token = this._create_token(TOKEN$1.TAG_CLOSE, '}}');
      }
    }
  
    return token;
  };
  
  Tokenizer$1.prototype._read_attribute = function(c, previous_token, open_token) {
    var token = null;
    var resulting_string = '';
    if (open_token && open_token.text[0] === '<') {
  
      if (c === '=') {
        token = this._create_token(TOKEN$1.EQUALS, this._input.next());
      } else if (c === '"' || c === "'") {
        var content = this._input.next();
        if (c === '"') {
          content += this.__patterns.double_quote.read();
        } else {
          content += this.__patterns.single_quote.read();
        }
        token = this._create_token(TOKEN$1.VALUE, content);
      } else {
        resulting_string = this.__patterns.attribute.read();
  
        if (resulting_string) {
          if (previous_token.type === TOKEN$1.EQUALS) {
            token = this._create_token(TOKEN$1.VALUE, resulting_string);
          } else {
            token = this._create_token(TOKEN$1.ATTRIBUTE, resulting_string);
          }
        }
      }
    }
    return token;
  };
  
  Tokenizer$1.prototype._is_content_unformatted = function(tag_name) {
    // void_elements have no content and so cannot have unformatted content
    // script and style tags should always be read as unformatted content
    // finally content_unformatted and unformatted element contents are unformatted
    return this._options.void_elements.indexOf(tag_name) === -1 &&
      (this._options.content_unformatted.indexOf(tag_name) !== -1 ||
        this._options.unformatted.indexOf(tag_name) !== -1);
  };
  
  
  Tokenizer$1.prototype._read_raw_content = function(c, previous_token, open_token) { // jshint unused:false
    var resulting_string = '';
    if (open_token && open_token.text[0] === '{') {
      resulting_string = this.__patterns.handlebars_raw_close.read();
    } else if (previous_token.type === TOKEN$1.TAG_CLOSE &&
      previous_token.opened.text[0] === '<' && previous_token.text[0] !== '/') {
      // ^^ empty tag has no content 
      var tag_name = previous_token.opened.text.substr(1).toLowerCase();
      if (tag_name === 'script' || tag_name === 'style') {
        // Script and style tags are allowed to have comments wrapping their content
        // or just have regular content.
        var token = this._read_comment_or_cdata(c);
        if (token) {
          token.type = TOKEN$1.TEXT;
          return token;
        }
        resulting_string = this._input.readUntil(new RegExp('</' + tag_name + '[\\n\\r\\t ]*?>', 'ig'));
      } else if (this._is_content_unformatted(tag_name)) {
  
        resulting_string = this._input.readUntil(new RegExp('</' + tag_name + '[\\n\\r\\t ]*?>', 'ig'));
      }
    }
  
    if (resulting_string) {
      return this._create_token(TOKEN$1.TEXT, resulting_string);
    }
  
    return null;
  };
  
  Tokenizer$1.prototype._read_content_word = function(c) {
    var resulting_string = '';
    if (this._options.unformatted_content_delimiter) {
      if (c === this._options.unformatted_content_delimiter[0]) {
        resulting_string = this.__patterns.unformatted_content_delimiter.read();
      }
    }
  
    if (!resulting_string) {
      resulting_string = this.__patterns.word.read();
    }
    if (resulting_string) {
      return this._create_token(TOKEN$1.TEXT, resulting_string);
    }
  };
  
  tokenizer.Tokenizer = Tokenizer$1;
  tokenizer.TOKEN = TOKEN$1;
  
  /*jshint node:true */
  
  var Options$1 = options.Options;
  var Output = output.Output;
  var Tokenizer = tokenizer.Tokenizer;
  var TOKEN = tokenizer.TOKEN;
  
  var lineBreak = /\r\n|[\r\n]/;
  var allLineBreaks = /\r\n|[\r\n]/g;
  
  var Printer = function(options, base_indent_string) { //handles input/output and some other printing functions
  
    this.indent_level = 0;
    this.alignment_size = 0;
    this.max_preserve_newlines = options.max_preserve_newlines;
    this.preserve_newlines = options.preserve_newlines;
  
    this._output = new Output(options, base_indent_string);
  
  };
  
  Printer.prototype.current_line_has_match = function(pattern) {
    return this._output.current_line.has_match(pattern);
  };
  
  Printer.prototype.set_space_before_token = function(value, non_breaking) {
    this._output.space_before_token = value;
    this._output.non_breaking_space = non_breaking;
  };
  
  Printer.prototype.set_wrap_point = function() {
    this._output.set_indent(this.indent_level, this.alignment_size);
    this._output.set_wrap_point();
  };
  
  
  Printer.prototype.add_raw_token = function(token) {
    this._output.add_raw_token(token);
  };
  
  Printer.prototype.print_preserved_newlines = function(raw_token) {
    var newlines = 0;
    if (raw_token.type !== TOKEN.TEXT && raw_token.previous.type !== TOKEN.TEXT) {
      newlines = raw_token.newlines ? 1 : 0;
    }
  
    if (this.preserve_newlines) {
      newlines = raw_token.newlines < this.max_preserve_newlines + 1 ? raw_token.newlines : this.max_preserve_newlines + 1;
    }
    for (var n = 0; n < newlines; n++) {
      this.print_newline(n > 0);
    }
  
    return newlines !== 0;
  };
  
  Printer.prototype.traverse_whitespace = function(raw_token) {
    if (raw_token.whitespace_before || raw_token.newlines) {
      if (!this.print_preserved_newlines(raw_token)) {
        this._output.space_before_token = true;
      }
      return true;
    }
    return false;
  };
  
  Printer.prototype.previous_token_wrapped = function() {
    return this._output.previous_token_wrapped;
  };
  
  Printer.prototype.print_newline = function(force) {
    this._output.add_new_line(force);
  };
  
  Printer.prototype.print_token = function(token) {
    if (token.text) {
      this._output.set_indent(this.indent_level, this.alignment_size);
      this._output.add_token(token.text);
    }
  };
  
  Printer.prototype.indent = function() {
    this.indent_level++;
  };
  
  Printer.prototype.get_full_indent = function(level) {
    level = this.indent_level + (level || 0);
    if (level < 1) {
      return '';
    }
  
    return this._output.get_indent_string(level);
  };
  
  var get_type_attribute = function(start_token) {
    var result = null;
    var raw_token = start_token.next;
  
    // Search attributes for a type attribute
    while (raw_token.type !== TOKEN.EOF && start_token.closed !== raw_token) {
      if (raw_token.type === TOKEN.ATTRIBUTE && raw_token.text === 'type') {
        if (raw_token.next && raw_token.next.type === TOKEN.EQUALS &&
          raw_token.next.next && raw_token.next.next.type === TOKEN.VALUE) {
          result = raw_token.next.next.text;
        }
        break;
      }
      raw_token = raw_token.next;
    }
  
    return result;
  };
  
  var get_custom_beautifier_name = function(tag_check, raw_token) {
    var typeAttribute = null;
    var result = null;
  
    if (!raw_token.closed) {
      return null;
    }
  
    if (tag_check === 'script') {
      typeAttribute = 'text/javascript';
    } else if (tag_check === 'style') {
      typeAttribute = 'text/css';
    }
  
    typeAttribute = get_type_attribute(raw_token) || typeAttribute;
  
    // For script and style tags that have a type attribute, only enable custom beautifiers for matching values
    // For those without a type attribute use default;
    if (typeAttribute.search('text/css') > -1) {
      result = 'css';
    } else if (typeAttribute.search(/module|((text|application|dojo)\/(x-)?(javascript|ecmascript|jscript|livescript|(ld\+)?json|method|aspect))/) > -1) {
      result = 'javascript';
    } else if (typeAttribute.search(/(text|application|dojo)\/(x-)?(html)/) > -1) {
      result = 'html';
    } else if (typeAttribute.search(/test\/null/) > -1) {
      // Test only mime-type for testing the beautifier when null is passed as beautifing function
      result = 'null';
    }
  
    return result;
  };
  
  function in_array(what, arr) {
    return arr.indexOf(what) !== -1;
  }
  
  function TagFrame(parent, parser_token, indent_level) {
    this.parent = parent || null;
    this.tag = parser_token ? parser_token.tag_name : '';
    this.indent_level = indent_level || 0;
    this.parser_token = parser_token || null;
  }
  
  function TagStack(printer) {
    this._printer = printer;
    this._current_frame = null;
  }
  
  TagStack.prototype.get_parser_token = function() {
    return this._current_frame ? this._current_frame.parser_token : null;
  };
  
  TagStack.prototype.record_tag = function(parser_token) { //function to record a tag and its parent in this.tags Object
    var new_frame = new TagFrame(this._current_frame, parser_token, this._printer.indent_level);
    this._current_frame = new_frame;
  };
  
  TagStack.prototype._try_pop_frame = function(frame) { //function to retrieve the opening tag to the corresponding closer
    var parser_token = null;
  
    if (frame) {
      parser_token = frame.parser_token;
      this._printer.indent_level = frame.indent_level;
      this._current_frame = frame.parent;
    }
  
    return parser_token;
  };
  
  TagStack.prototype._get_frame = function(tag_list, stop_list) { //function to retrieve the opening tag to the corresponding closer
    var frame = this._current_frame;
  
    while (frame) { //till we reach '' (the initial value);
      if (tag_list.indexOf(frame.tag) !== -1) { //if this is it use it
        break;
      } else if (stop_list && stop_list.indexOf(frame.tag) !== -1) {
        frame = null;
        break;
      }
      frame = frame.parent;
    }
  
    return frame;
  };
  
  TagStack.prototype.try_pop = function(tag, stop_list) { //function to retrieve the opening tag to the corresponding closer
    var frame = this._get_frame([tag], stop_list);
    return this._try_pop_frame(frame);
  };
  
  TagStack.prototype.indent_to_tag = function(tag_list) {
    var frame = this._get_frame(tag_list);
    if (frame) {
      this._printer.indent_level = frame.indent_level;
    }
  };
  
  function Beautifier$1(source_text, options, js_beautify, css_beautify) {
    //Wrapper function to invoke all the necessary constructors and deal with the output.
    this._source_text = source_text || '';
    options = options || {};
    this._js_beautify = js_beautify;
    this._css_beautify = css_beautify;
    this._tag_stack = null;
  
    // Allow the setting of language/file-type specific options
    // with inheritance of overall settings
    var optionHtml = new Options$1(options, 'html');
  
    this._options = optionHtml;
  
    this._is_wrap_attributes_force = this._options.wrap_attributes.substr(0, 'force'.length) === 'force';
    this._is_wrap_attributes_force_expand_multiline = (this._options.wrap_attributes === 'force-expand-multiline');
    this._is_wrap_attributes_force_aligned = (this._options.wrap_attributes === 'force-aligned');
    this._is_wrap_attributes_aligned_multiple = (this._options.wrap_attributes === 'aligned-multiple');
    this._is_wrap_attributes_preserve = this._options.wrap_attributes.substr(0, 'preserve'.length) === 'preserve';
    this._is_wrap_attributes_preserve_aligned = (this._options.wrap_attributes === 'preserve-aligned');
  }
  
  Beautifier$1.prototype.beautify = function() {
  
    // if disabled, return the input unchanged.
    if (this._options.disabled) {
      return this._source_text;
    }
  
    var source_text = this._source_text;
    var eol = this._options.eol;
    if (this._options.eol === 'auto') {
      eol = '\n';
      if (source_text && lineBreak.test(source_text)) {
        eol = source_text.match(lineBreak)[0];
      }
    }
  
    // HACK: newline parsing inconsistent. This brute force normalizes the input.
    source_text = source_text.replace(allLineBreaks, '\n');
  
    var baseIndentString = source_text.match(/^[\t ]*/)[0];
  
    var last_token = {
      text: '',
      type: ''
    };
  
    var last_tag_token = new TagOpenParserToken();
  
    var printer = new Printer(this._options, baseIndentString);
    var tokens = new Tokenizer(source_text, this._options).tokenize();
  
    this._tag_stack = new TagStack(printer);
  
    var parser_token = null;
    var raw_token = tokens.next();
    while (raw_token.type !== TOKEN.EOF) {
  
      if (raw_token.type === TOKEN.TAG_OPEN || raw_token.type === TOKEN.COMMENT) {
        parser_token = this._handle_tag_open(printer, raw_token, last_tag_token, last_token);
        last_tag_token = parser_token;
      } else if ((raw_token.type === TOKEN.ATTRIBUTE || raw_token.type === TOKEN.EQUALS || raw_token.type === TOKEN.VALUE) ||
        (raw_token.type === TOKEN.TEXT && !last_tag_token.tag_complete)) {
        parser_token = this._handle_inside_tag(printer, raw_token, last_tag_token, tokens);
      } else if (raw_token.type === TOKEN.TAG_CLOSE) {
        parser_token = this._handle_tag_close(printer, raw_token, last_tag_token);
      } else if (raw_token.type === TOKEN.TEXT) {
        parser_token = this._handle_text(printer, raw_token, last_tag_token);
      } else {
        // This should never happen, but if it does. Print the raw token
        printer.add_raw_token(raw_token);
      }
  
      last_token = parser_token;
  
      raw_token = tokens.next();
    }
    var sweet_code = printer._output.get_code(eol);
  
    return sweet_code;
  };
  
  Beautifier$1.prototype._handle_tag_close = function(printer, raw_token, last_tag_token) {
    var parser_token = {
      text: raw_token.text,
      type: raw_token.type
    };
    printer.alignment_size = 0;
    last_tag_token.tag_complete = true;
  
    printer.set_space_before_token(raw_token.newlines || raw_token.whitespace_before !== '', true);
    if (last_tag_token.is_unformatted) {
      printer.add_raw_token(raw_token);
    } else {
      if (last_tag_token.tag_start_char === '<') {
        printer.set_space_before_token(raw_token.text[0] === '/', true); // space before />, no space before >
        if (this._is_wrap_attributes_force_expand_multiline && last_tag_token.has_wrapped_attrs) {
          printer.print_newline(false);
        }
      }
      printer.print_token(raw_token);
  
    }
  
    if (last_tag_token.indent_content &&
      !(last_tag_token.is_unformatted || last_tag_token.is_content_unformatted)) {
      printer.indent();
  
      // only indent once per opened tag
      last_tag_token.indent_content = false;
    }
  
    if (!last_tag_token.is_inline_element &&
      !(last_tag_token.is_unformatted || last_tag_token.is_content_unformatted)) {
      printer.set_wrap_point();
    }
  
    return parser_token;
  };
  
  Beautifier$1.prototype._handle_inside_tag = function(printer, raw_token, last_tag_token, tokens) {
    var wrapped = last_tag_token.has_wrapped_attrs;
    var parser_token = {
      text: raw_token.text,
      type: raw_token.type
    };
  
    printer.set_space_before_token(raw_token.newlines || raw_token.whitespace_before !== '', true);
    if (last_tag_token.is_unformatted) {
      printer.add_raw_token(raw_token);
    } else if (last_tag_token.tag_start_char === '{' && raw_token.type === TOKEN.TEXT) {
      // For the insides of handlebars allow newlines or a single space between open and contents
      if (printer.print_preserved_newlines(raw_token)) {
        raw_token.newlines = 0;
        printer.add_raw_token(raw_token);
      } else {
        printer.print_token(raw_token);
      }
    } else {
      if (raw_token.type === TOKEN.ATTRIBUTE) {
        printer.set_space_before_token(true);
        last_tag_token.attr_count += 1;
      } else if (raw_token.type === TOKEN.EQUALS) { //no space before =
        printer.set_space_before_token(false);
      } else if (raw_token.type === TOKEN.VALUE && raw_token.previous.type === TOKEN.EQUALS) { //no space before value
        printer.set_space_before_token(false);
      }
  
      if (raw_token.type === TOKEN.ATTRIBUTE && last_tag_token.tag_start_char === '<') {
        if (this._is_wrap_attributes_preserve || this._is_wrap_attributes_preserve_aligned) {
          printer.traverse_whitespace(raw_token);
          wrapped = wrapped || raw_token.newlines !== 0;
        }
  
  
        if (this._is_wrap_attributes_force) {
          var force_attr_wrap = last_tag_token.attr_count > 1;
          if (this._is_wrap_attributes_force_expand_multiline && last_tag_token.attr_count === 1) {
            var is_only_attribute = true;
            var peek_index = 0;
            var peek_token;
            do {
              peek_token = tokens.peek(peek_index);
              if (peek_token.type === TOKEN.ATTRIBUTE) {
                is_only_attribute = false;
                break;
              }
              peek_index += 1;
            } while (peek_index < 4 && peek_token.type !== TOKEN.EOF && peek_token.type !== TOKEN.TAG_CLOSE);
  
            force_attr_wrap = !is_only_attribute;
          }
  
          if (force_attr_wrap) {
            printer.print_newline(false);
            wrapped = true;
          }
        }
      }
      printer.print_token(raw_token);
      wrapped = wrapped || printer.previous_token_wrapped();
      last_tag_token.has_wrapped_attrs = wrapped;
    }
    return parser_token;
  };
  
  Beautifier$1.prototype._handle_text = function(printer, raw_token, last_tag_token) {
    var parser_token = {
      text: raw_token.text,
      type: 'TK_CONTENT'
    };
    if (last_tag_token.custom_beautifier_name) { //check if we need to format javascript
      this._print_custom_beatifier_text(printer, raw_token, last_tag_token);
    } else if (last_tag_token.is_unformatted || last_tag_token.is_content_unformatted) {
      printer.add_raw_token(raw_token);
    } else {
      printer.traverse_whitespace(raw_token);
      printer.print_token(raw_token);
    }
    return parser_token;
  };
  
  Beautifier$1.prototype._print_custom_beatifier_text = function(printer, raw_token, last_tag_token) {
    var local = this;
    if (raw_token.text !== '') {
  
      var text = raw_token.text,
        _beautifier,
        script_indent_level = 1,
        pre = '',
        post = '';
      if (last_tag_token.custom_beautifier_name === 'javascript' && typeof this._js_beautify === 'function') {
        _beautifier = this._js_beautify;
      } else if (last_tag_token.custom_beautifier_name === 'css' && typeof this._css_beautify === 'function') {
        _beautifier = this._css_beautify;
      } else if (last_tag_token.custom_beautifier_name === 'html') {
        _beautifier = function(html_source, options) {
          var beautifier = new Beautifier$1(html_source, options, local._js_beautify, local._css_beautify);
          return beautifier.beautify();
        };
      }
  
      if (this._options.indent_scripts === "keep") {
        script_indent_level = 0;
      } else if (this._options.indent_scripts === "separate") {
        script_indent_level = -printer.indent_level;
      }
  
      var indentation = printer.get_full_indent(script_indent_level);
  
      // if there is at least one empty line at the end of this text, strip it
      // we'll be adding one back after the text but before the containing tag.
      text = text.replace(/\n[ \t]*$/, '');
  
      // Handle the case where content is wrapped in a comment or cdata.
      if (last_tag_token.custom_beautifier_name !== 'html' &&
        text[0] === '<' && text.match(/^(<!--|<!\[CDATA\[)/)) {
        var matched = /^(<!--[^\n]*|<!\[CDATA\[)(\n?)([ \t\n]*)([\s\S]*)(-->|]]>)$/.exec(text);
  
        // if we start to wrap but don't finish, print raw
        if (!matched) {
          printer.add_raw_token(raw_token);
          return;
        }
  
        pre = indentation + matched[1] + '\n';
        text = matched[4];
        if (matched[5]) {
          post = indentation + matched[5];
        }
  
        // if there is at least one empty line at the end of this text, strip it
        // we'll be adding one back after the text but before the containing tag.
        text = text.replace(/\n[ \t]*$/, '');
  
        if (matched[2] || matched[3].indexOf('\n') !== -1) {
          // if the first line of the non-comment text has spaces
          // use that as the basis for indenting in null case.
          matched = matched[3].match(/[ \t]+$/);
          if (matched) {
            raw_token.whitespace_before = matched[0];
          }
        }
      }
  
      if (text) {
        if (_beautifier) {
  
          // call the Beautifier if avaliable
          var Child_options = function() {
            this.eol = '\n';
          };
          Child_options.prototype = this._options.raw_options;
          var child_options = new Child_options();
          text = _beautifier(indentation + text, child_options);
        } else {
          // simply indent the string otherwise
          var white = raw_token.whitespace_before;
          if (white) {
            text = text.replace(new RegExp('\n(' + white + ')?', 'g'), '\n');
          }
  
          text = indentation + text.replace(/\n/g, '\n' + indentation);
        }
      }
  
      if (pre) {
        if (!text) {
          text = pre + post;
        } else {
          text = pre + text + '\n' + post;
        }
      }
  
      printer.print_newline(false);
      if (text) {
        raw_token.text = text;
        raw_token.whitespace_before = '';
        raw_token.newlines = 0;
        printer.add_raw_token(raw_token);
        printer.print_newline(true);
      }
    }
  };
  
  Beautifier$1.prototype._handle_tag_open = function(printer, raw_token, last_tag_token, last_token) {
    var parser_token = this._get_tag_open_token(raw_token);
  
    if ((last_tag_token.is_unformatted || last_tag_token.is_content_unformatted) &&
      !last_tag_token.is_empty_element &&
      raw_token.type === TOKEN.TAG_OPEN && raw_token.text.indexOf('</') === 0) {
      // End element tags for unformatted or content_unformatted elements
      // are printed raw to keep any newlines inside them exactly the same.
      printer.add_raw_token(raw_token);
      parser_token.start_tag_token = this._tag_stack.try_pop(parser_token.tag_name);
    } else {
      printer.traverse_whitespace(raw_token);
      this._set_tag_position(printer, raw_token, parser_token, last_tag_token, last_token);
      if (!parser_token.is_inline_element) {
        printer.set_wrap_point();
      }
      printer.print_token(raw_token);
    }
  
    //indent attributes an auto, forced, aligned or forced-align line-wrap
    if (this._is_wrap_attributes_force_aligned || this._is_wrap_attributes_aligned_multiple || this._is_wrap_attributes_preserve_aligned) {
      parser_token.alignment_size = raw_token.text.length + 1;
    }
  
    if (!parser_token.tag_complete && !parser_token.is_unformatted) {
      printer.alignment_size = parser_token.alignment_size;
    }
  
    return parser_token;
  };
  
  var TagOpenParserToken = function(parent, raw_token) {
    this.parent = parent || null;
    this.text = '';
    this.type = 'TK_TAG_OPEN';
    this.tag_name = '';
    this.is_inline_element = false;
    this.is_unformatted = false;
    this.is_content_unformatted = false;
    this.is_empty_element = false;
    this.is_start_tag = false;
    this.is_end_tag = false;
    this.indent_content = false;
    this.multiline_content = false;
    this.custom_beautifier_name = null;
    this.start_tag_token = null;
    this.attr_count = 0;
    this.has_wrapped_attrs = false;
    this.alignment_size = 0;
    this.tag_complete = false;
    this.tag_start_char = '';
    this.tag_check = '';
  
    if (!raw_token) {
      this.tag_complete = true;
    } else {
      var tag_check_match;
  
      this.tag_start_char = raw_token.text[0];
      this.text = raw_token.text;
  
      if (this.tag_start_char === '<') {
        tag_check_match = raw_token.text.match(/^<([^\s>]*)/);
        this.tag_check = tag_check_match ? tag_check_match[1] : '';
      } else {
        tag_check_match = raw_token.text.match(/^{{(?:[\^]|#\*?)?([^\s}]+)/);
        this.tag_check = tag_check_match ? tag_check_match[1] : '';
  
        // handle "{{#> myPartial}}
        if (raw_token.text === '{{#>' && this.tag_check === '>' && raw_token.next !== null) {
          this.tag_check = raw_token.next.text;
        }
      }
      this.tag_check = this.tag_check.toLowerCase();
  
      if (raw_token.type === TOKEN.COMMENT) {
        this.tag_complete = true;
      }
  
      this.is_start_tag = this.tag_check.charAt(0) !== '/';
      this.tag_name = !this.is_start_tag ? this.tag_check.substr(1) : this.tag_check;
      this.is_end_tag = !this.is_start_tag ||
        (raw_token.closed && raw_token.closed.text === '/>');
  
      // handlebars tags that don't start with # or ^ are single_tags, and so also start and end.
      this.is_end_tag = this.is_end_tag ||
        (this.tag_start_char === '{' && (this.text.length < 3 || (/[^#\^]/.test(this.text.charAt(2)))));
    }
  };
  
  Beautifier$1.prototype._get_tag_open_token = function(raw_token) { //function to get a full tag and parse its type
    var parser_token = new TagOpenParserToken(this._tag_stack.get_parser_token(), raw_token);
  
    parser_token.alignment_size = this._options.wrap_attributes_indent_size;
  
    parser_token.is_end_tag = parser_token.is_end_tag ||
      in_array(parser_token.tag_check, this._options.void_elements);
  
    parser_token.is_empty_element = parser_token.tag_complete ||
      (parser_token.is_start_tag && parser_token.is_end_tag);
  
    parser_token.is_unformatted = !parser_token.tag_complete && in_array(parser_token.tag_check, this._options.unformatted);
    parser_token.is_content_unformatted = !parser_token.is_empty_element && in_array(parser_token.tag_check, this._options.content_unformatted);
    parser_token.is_inline_element = in_array(parser_token.tag_name, this._options.inline) || parser_token.tag_start_char === '{';
  
    return parser_token;
  };
  
  Beautifier$1.prototype._set_tag_position = function(printer, raw_token, parser_token, last_tag_token, last_token) {
  
    if (!parser_token.is_empty_element) {
      if (parser_token.is_end_tag) { //this tag is a double tag so check for tag-ending
        parser_token.start_tag_token = this._tag_stack.try_pop(parser_token.tag_name); //remove it and all ancestors
      } else { // it's a start-tag
        // check if this tag is starting an element that has optional end element
        // and do an ending needed
        if (this._do_optional_end_element(parser_token)) {
          if (!parser_token.is_inline_element) {
            printer.print_newline(false);
          }
        }
  
        this._tag_stack.record_tag(parser_token); //push it on the tag stack
  
        if ((parser_token.tag_name === 'script' || parser_token.tag_name === 'style') &&
          !(parser_token.is_unformatted || parser_token.is_content_unformatted)) {
          parser_token.custom_beautifier_name = get_custom_beautifier_name(parser_token.tag_check, raw_token);
        }
      }
    }
  
    if (in_array(parser_token.tag_check, this._options.extra_liners)) { //check if this double needs an extra line
      printer.print_newline(false);
      if (!printer._output.just_added_blankline()) {
        printer.print_newline(true);
      }
    }
  
    if (parser_token.is_empty_element) { //if this tag name is a single tag type (either in the list or has a closing /)
  
      // if you hit an else case, reset the indent level if you are inside an:
      // 'if', 'unless', or 'each' block.
      if (parser_token.tag_start_char === '{' && parser_token.tag_check === 'else') {
        this._tag_stack.indent_to_tag(['if', 'unless', 'each']);
        parser_token.indent_content = true;
        // Don't add a newline if opening {{#if}} tag is on the current line
        var foundIfOnCurrentLine = printer.current_line_has_match(/{{#if/);
        if (!foundIfOnCurrentLine) {
          printer.print_newline(false);
        }
      }
  
      // Don't add a newline before elements that should remain where they are.
      if (parser_token.tag_name === '!--' && last_token.type === TOKEN.TAG_CLOSE &&
        last_tag_token.is_end_tag && parser_token.text.indexOf('\n') === -1) ; else {
        if (!(parser_token.is_inline_element || parser_token.is_unformatted)) {
          printer.print_newline(false);
        }
        this._calcluate_parent_multiline(printer, parser_token);
      }
    } else if (parser_token.is_end_tag) { //this tag is a double tag so check for tag-ending
      var do_end_expand = false;
  
      // deciding whether a block is multiline should not be this hard
      do_end_expand = parser_token.start_tag_token && parser_token.start_tag_token.multiline_content;
      do_end_expand = do_end_expand || (!parser_token.is_inline_element &&
        !(last_tag_token.is_inline_element || last_tag_token.is_unformatted) &&
        !(last_token.type === TOKEN.TAG_CLOSE && parser_token.start_tag_token === last_tag_token) &&
        last_token.type !== 'TK_CONTENT'
      );
  
      if (parser_token.is_content_unformatted || parser_token.is_unformatted) {
        do_end_expand = false;
      }
  
      if (do_end_expand) {
        printer.print_newline(false);
      }
    } else { // it's a start-tag
      parser_token.indent_content = !parser_token.custom_beautifier_name;
  
      if (parser_token.tag_start_char === '<') {
        if (parser_token.tag_name === 'html') {
          parser_token.indent_content = this._options.indent_inner_html;
        } else if (parser_token.tag_name === 'head') {
          parser_token.indent_content = this._options.indent_head_inner_html;
        } else if (parser_token.tag_name === 'body') {
          parser_token.indent_content = this._options.indent_body_inner_html;
        }
      }
  
      if (!(parser_token.is_inline_element || parser_token.is_unformatted) &&
        (last_token.type !== 'TK_CONTENT' || parser_token.is_content_unformatted)) {
        printer.print_newline(false);
      }
  
      this._calcluate_parent_multiline(printer, parser_token);
    }
  };
  
  Beautifier$1.prototype._calcluate_parent_multiline = function(printer, parser_token) {
    if (parser_token.parent && printer._output.just_added_newline() &&
      !((parser_token.is_inline_element || parser_token.is_unformatted) && parser_token.parent.is_inline_element)) {
      parser_token.parent.multiline_content = true;
    }
  };
  
  //To be used for <p> tag special case:
  var p_closers = ['address', 'article', 'aside', 'blockquote', 'details', 'div', 'dl', 'fieldset', 'figcaption', 'figure', 'footer', 'form', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'header', 'hr', 'main', 'nav', 'ol', 'p', 'pre', 'section', 'table', 'ul'];
  var p_parent_excludes = ['a', 'audio', 'del', 'ins', 'map', 'noscript', 'video'];
  
  Beautifier$1.prototype._do_optional_end_element = function(parser_token) {
    var result = null;
    // NOTE: cases of "if there is no more content in the parent element"
    // are handled automatically by the beautifier.
    // It assumes parent or ancestor close tag closes all children.
    // https://www.w3.org/TR/html5/syntax.html#optional-tags
    if (parser_token.is_empty_element || !parser_token.is_start_tag || !parser_token.parent) {
      return;
  
    }
  
    if (parser_token.tag_name === 'body') {
      // A head element’s end tag may be omitted if the head element is not immediately followed by a space character or a comment.
      result = result || this._tag_stack.try_pop('head');
  
      //} else if (parser_token.tag_name === 'body') {
      // DONE: A body element’s end tag may be omitted if the body element is not immediately followed by a comment.
  
    } else if (parser_token.tag_name === 'li') {
      // An li element’s end tag may be omitted if the li element is immediately followed by another li element or if there is no more content in the parent element.
      result = result || this._tag_stack.try_pop('li', ['ol', 'ul']);
  
    } else if (parser_token.tag_name === 'dd' || parser_token.tag_name === 'dt') {
      // A dd element’s end tag may be omitted if the dd element is immediately followed by another dd element or a dt element, or if there is no more content in the parent element.
      // A dt element’s end tag may be omitted if the dt element is immediately followed by another dt element or a dd element.
      result = result || this._tag_stack.try_pop('dt', ['dl']);
      result = result || this._tag_stack.try_pop('dd', ['dl']);
  
  
    } else if (parser_token.parent.tag_name === 'p' && p_closers.indexOf(parser_token.tag_name) !== -1) {
      // IMPORTANT: this else-if works because p_closers has no overlap with any other element we look for in this method
      // check for the parent element is an HTML element that is not an <a>, <audio>, <del>, <ins>, <map>, <noscript>, or <video> element,  or an autonomous custom element.
      // To do this right, this needs to be coded as an inclusion of the inverse of the exclusion above.
      // But to start with (if we ignore "autonomous custom elements") the exclusion would be fine.
      var p_parent = parser_token.parent.parent;
      if (!p_parent || p_parent_excludes.indexOf(p_parent.tag_name) === -1) {
        result = result || this._tag_stack.try_pop('p');
      }
    } else if (parser_token.tag_name === 'rp' || parser_token.tag_name === 'rt') {
      // An rt element’s end tag may be omitted if the rt element is immediately followed by an rt or rp element, or if there is no more content in the parent element.
      // An rp element’s end tag may be omitted if the rp element is immediately followed by an rt or rp element, or if there is no more content in the parent element.
      result = result || this._tag_stack.try_pop('rt', ['ruby', 'rtc']);
      result = result || this._tag_stack.try_pop('rp', ['ruby', 'rtc']);
  
    } else if (parser_token.tag_name === 'optgroup') {
      // An optgroup element’s end tag may be omitted if the optgroup element is immediately followed by another optgroup element, or if there is no more content in the parent element.
      // An option element’s end tag may be omitted if the option element is immediately followed by another option element, or if it is immediately followed by an optgroup element, or if there is no more content in the parent element.
      result = result || this._tag_stack.try_pop('optgroup', ['select']);
      //result = result || this._tag_stack.try_pop('option', ['select']);
  
    } else if (parser_token.tag_name === 'option') {
      // An option element’s end tag may be omitted if the option element is immediately followed by another option element, or if it is immediately followed by an optgroup element, or if there is no more content in the parent element.
      result = result || this._tag_stack.try_pop('option', ['select', 'datalist', 'optgroup']);
  
    } else if (parser_token.tag_name === 'colgroup') {
      // DONE: A colgroup element’s end tag may be omitted if the colgroup element is not immediately followed by a space character or a comment.
      // A caption element's end tag may be ommitted if a colgroup, thead, tfoot, tbody, or tr element is started.
      result = result || this._tag_stack.try_pop('caption', ['table']);
  
    } else if (parser_token.tag_name === 'thead') {
      // A colgroup element's end tag may be ommitted if a thead, tfoot, tbody, or tr element is started.
      // A caption element's end tag may be ommitted if a colgroup, thead, tfoot, tbody, or tr element is started.
      result = result || this._tag_stack.try_pop('caption', ['table']);
      result = result || this._tag_stack.try_pop('colgroup', ['table']);
  
      //} else if (parser_token.tag_name === 'caption') {
      // DONE: A caption element’s end tag may be omitted if the caption element is not immediately followed by a space character or a comment.
  
    } else if (parser_token.tag_name === 'tbody' || parser_token.tag_name === 'tfoot') {
      // A thead element’s end tag may be omitted if the thead element is immediately followed by a tbody or tfoot element.
      // A tbody element’s end tag may be omitted if the tbody element is immediately followed by a tbody or tfoot element, or if there is no more content in the parent element.
      // A colgroup element's end tag may be ommitted if a thead, tfoot, tbody, or tr element is started.
      // A caption element's end tag may be ommitted if a colgroup, thead, tfoot, tbody, or tr element is started.
      result = result || this._tag_stack.try_pop('caption', ['table']);
      result = result || this._tag_stack.try_pop('colgroup', ['table']);
      result = result || this._tag_stack.try_pop('thead', ['table']);
      result = result || this._tag_stack.try_pop('tbody', ['table']);
  
      //} else if (parser_token.tag_name === 'tfoot') {
      // DONE: A tfoot element’s end tag may be omitted if there is no more content in the parent element.
  
    } else if (parser_token.tag_name === 'tr') {
      // A tr element’s end tag may be omitted if the tr element is immediately followed by another tr element, or if there is no more content in the parent element.
      // A colgroup element's end tag may be ommitted if a thead, tfoot, tbody, or tr element is started.
      // A caption element's end tag may be ommitted if a colgroup, thead, tfoot, tbody, or tr element is started.
      result = result || this._tag_stack.try_pop('caption', ['table']);
      result = result || this._tag_stack.try_pop('colgroup', ['table']);
      result = result || this._tag_stack.try_pop('tr', ['table', 'thead', 'tbody', 'tfoot']);
  
    } else if (parser_token.tag_name === 'th' || parser_token.tag_name === 'td') {
      // A td element’s end tag may be omitted if the td element is immediately followed by a td or th element, or if there is no more content in the parent element.
      // A th element’s end tag may be omitted if the th element is immediately followed by a td or th element, or if there is no more content in the parent element.
      result = result || this._tag_stack.try_pop('td', ['table', 'thead', 'tbody', 'tfoot', 'tr']);
      result = result || this._tag_stack.try_pop('th', ['table', 'thead', 'tbody', 'tfoot', 'tr']);
    }
  
    // Start element omission not handled currently
    // A head element’s start tag may be omitted if the element is empty, or if the first thing inside the head element is an element.
    // A tbody element’s start tag may be omitted if the first thing inside the tbody element is a tr element, and if the element is not immediately preceded by a tbody, thead, or tfoot element whose end tag has been omitted. (It can’t be omitted if the element is empty.)
    // A colgroup element’s start tag may be omitted if the first thing inside the colgroup element is a col element, and if the element is not immediately preceded by another colgroup element whose end tag has been omitted. (It can’t be omitted if the element is empty.)
  
    // Fix up the parent of the parser token
    parser_token.parent = this._tag_stack.get_parser_token();
  
    return result;
  };
  
  beautifier.Beautifier = Beautifier$1;
  
  /*jshint node:true */
  
  var Beautifier = beautifier.Beautifier,
    Options = options.Options;
  
  function style_html$1(html_source, options, js_beautify, css_beautify) {
    var beautifier = new Beautifier(html_source, options, js_beautify, css_beautify);
    return beautifier.beautify();
  }
  
  html.exports = style_html$1;
  html.exports.defaultOptions = function() {
    return new Options();
  };
  
  /*jshint node:true */
  
  var js_beautify = javascript.exports;
  var css_beautify = css.exports;
  var html_beautify = html.exports;
  
  function style_html(html_source, options, js, css) {
    js = js || js_beautify;
    css = css || css_beautify;
    return html_beautify(html_source, options, js, css);
  }
  style_html.defaultOptions = html_beautify.defaultOptions;
  
  src.js = js_beautify;
  src.css = css_beautify;
  src.html = style_html;
  
  /*jshint node:true */
  
  (function (module) {
  
  /**
  The following batches are equivalent:
  
  var beautify_js = require('js-beautify');
  var beautify_js = require('js-beautify').js;
  var beautify_js = require('js-beautify').js_beautify;
  
  var beautify_css = require('js-beautify').css;
  var beautify_css = require('js-beautify').css_beautify;
  
  var beautify_html = require('js-beautify').html;
  var beautify_html = require('js-beautify').html_beautify;
  
  All methods returned accept two arguments, the source string and an options object.
  **/
  
  function get_beautify(js_beautify, css_beautify, html_beautify) {
    // the default is js
    var beautify = function(src, config) {
      return js_beautify.js_beautify(src, config);
    };
  
    // short aliases
    beautify.js = js_beautify.js_beautify;
    beautify.css = css_beautify.css_beautify;
    beautify.html = html_beautify.html_beautify;
  
    // legacy aliases
    beautify.js_beautify = js_beautify.js_beautify;
    beautify.css_beautify = css_beautify.css_beautify;
    beautify.html_beautify = html_beautify.html_beautify;
  
    return beautify;
  }
  
  {
    (function(mod) {
      var beautifier = src;
      beautifier.js_beautify = beautifier.js;
      beautifier.css_beautify = beautifier.css;
      beautifier.html_beautify = beautifier.html;
  
      mod.exports = get_beautify(beautifier, beautifier, beautifier);
  
    })(module);
  }
  }(js));
  
  /*!
   * is-whitespace <https://github.com/jonschlinkert/is-whitespace>
   *
   * Copyright (c) 2014-2015, Jon Schlinkert.
   * Licensed under the MIT License.
   */
  
  var cache;
  
  var isWhitespace$1 = function isWhitespace(str) {
    return (typeof str === 'string') && regex().test(str);
  };
  
  function regex() {
    // ensure that runtime compilation only happens once
    return cache || (cache = new RegExp('^[\\s\x09\x0A\x0B\x0C\x0D\x20\xA0\u1680\u180E\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028\u2029\uFEFF"]+$'));
  }
  
  /*!
   * is-extendable <https://github.com/jonschlinkert/is-extendable>
   *
   * Copyright (c) 2015, Jon Schlinkert.
   * Licensed under the MIT License.
   */
  
  var isExtendable = function isExtendable(val) {
    return typeof val !== 'undefined' && val !== null
      && (typeof val === 'object' || typeof val === 'function');
  };
  
  var isObject$1 = isExtendable;
  
  var extendShallow = function extend(o/*, objects*/) {
    if (!isObject$1(o)) { o = {}; }
  
    var len = arguments.length;
    for (var i = 1; i < len; i++) {
      var obj = arguments[i];
  
      if (isObject$1(obj)) {
        assign(o, obj);
      }
    }
    return o;
  };
  
  function assign(a, b) {
    for (var key in b) {
      if (hasOwn(b, key)) {
        a[key] = b[key];
      }
    }
  }
  
  /**
   * Returns true if the given `key` is an own property of `obj`.
   */
  
  function hasOwn(obj, key) {
    return Object.prototype.hasOwnProperty.call(obj, key);
  }
  
  /*!
   * Determine if an object is a Buffer
   *
   * @author   Feross Aboukhadijeh <https://feross.org>
   * @license  MIT
   */
  
  // The _isBuffer check is for Safari 5-7 support, because it's missing
  // Object.prototype.constructor. Remove this eventually
  var isBuffer_1 = function (obj) {
    return obj != null && (isBuffer$1(obj) || isSlowBuffer(obj) || !!obj._isBuffer)
  };
  
  function isBuffer$1 (obj) {
    return !!obj.constructor && typeof obj.constructor.isBuffer === 'function' && obj.constructor.isBuffer(obj)
  }
  
  // For Node v0.10 support. Remove this eventually.
  function isSlowBuffer (obj) {
    return typeof obj.readFloatLE === 'function' && typeof obj.slice === 'function' && isBuffer$1(obj.slice(0, 0))
  }
  
  var isBuffer = isBuffer_1;
  var toString = Object.prototype.toString;
  
  /**
   * Get the native `typeof` a value.
   *
   * @param  {*} `val`
   * @return {*} Native javascript type
   */
  
  var kindOf = function kindOf(val) {
    // primitivies
    if (typeof val === 'undefined') {
      return 'undefined';
    }
    if (val === null) {
      return 'null';
    }
    if (val === true || val === false || val instanceof Boolean) {
      return 'boolean';
    }
    if (typeof val === 'string' || val instanceof String) {
      return 'string';
    }
    if (typeof val === 'number' || val instanceof Number) {
      return 'number';
    }
  
    // functions
    if (typeof val === 'function' || val instanceof Function) {
      return 'function';
    }
  
    // array
    if (typeof Array.isArray !== 'undefined' && Array.isArray(val)) {
      return 'array';
    }
  
    // check for instances of RegExp and Date before calling `toString`
    if (val instanceof RegExp) {
      return 'regexp';
    }
    if (val instanceof Date) {
      return 'date';
    }
  
    // other objects
    var type = toString.call(val);
  
    if (type === '[object RegExp]') {
      return 'regexp';
    }
    if (type === '[object Date]') {
      return 'date';
    }
    if (type === '[object Arguments]') {
      return 'arguments';
    }
    if (type === '[object Error]') {
      return 'error';
    }
  
    // buffer
    if (isBuffer(val)) {
      return 'buffer';
    }
  
    // es6: Map, WeakMap, Set, WeakSet
    if (type === '[object Set]') {
      return 'set';
    }
    if (type === '[object WeakSet]') {
      return 'weakset';
    }
    if (type === '[object Map]') {
      return 'map';
    }
    if (type === '[object WeakMap]') {
      return 'weakmap';
    }
    if (type === '[object Symbol]') {
      return 'symbol';
    }
  
    // typed arrays
    if (type === '[object Int8Array]') {
      return 'int8array';
    }
    if (type === '[object Uint8Array]') {
      return 'uint8array';
    }
    if (type === '[object Uint8ClampedArray]') {
      return 'uint8clampedarray';
    }
    if (type === '[object Int16Array]') {
      return 'int16array';
    }
    if (type === '[object Uint16Array]') {
      return 'uint16array';
    }
    if (type === '[object Int32Array]') {
      return 'int32array';
    }
    if (type === '[object Uint32Array]') {
      return 'uint32array';
    }
    if (type === '[object Float32Array]') {
      return 'float32array';
    }
    if (type === '[object Float64Array]') {
      return 'float64array';
    }
  
    // must be a plain object
    return 'object';
  };
  
  /*!
   * condense-newlines <https://github.com/jonschlinkert/condense-newlines>
   *
   * Copyright (c) 2014 Jon Schlinkert, contributors.
   * Licensed under the MIT License
   */
  
  var isWhitespace = isWhitespace$1;
  var extend$2 = extendShallow;
  var typeOf = kindOf;
  
  var condenseNewlines = function(str, options) {
    var opts = extend$2({}, options);
    var sep = opts.sep || '\n\n';
    var min = opts.min;
    var re;
  
    if (typeof min === 'number' && min !== 2) {
      re = new RegExp('(\\r\\n|\\n|\\u2424) {' + min + ',}');
    }
    if (typeof re === 'undefined') {
      re = opts.regex || /(\r\n|\n|\u2424){2,}/g;
    }
  
    // if a line is 100% whitespace it will be trimmed, so that
    // later we can condense newlines correctly
    if (opts.keepWhitespace !== true) {
      str = str.split('\n').map(function(line) {
        return isWhitespace(line) ? line.trim() : line;
      }).join('\n');
    }
  
    str = trailingNewline(str, opts);
    return str.replace(re, sep);
  };
  
  function trailingNewline(str, options) {
    var val = options.trailingNewline;
    if (val === false) {
      return str;
    }
  
    switch (typeOf(val)) {
      case 'string':
        str = str.replace(/\s+$/, options.trailingNewline);
        break;
      case 'function':
        str = options.trailingNewline(str);
        break;
      case 'undefined':
      case 'boolean':
      default: {
        str = str.replace(/\s+$/, '\n');
        break;
      }
    }
    return str;
  }
  
  /*!
   * pretty <https://github.com/jonschlinkert/pretty>
   *
   * Copyright (c) 2013-2015, 2017, Jon Schlinkert.
   * Released under the MIT License.
   */
  
  var beautify = js.exports;
  var condense = condenseNewlines;
  var extend$1 = extendShallow;
  var defaults = {
    unformatted: ['code', 'pre', 'em', 'strong', 'span'],
    indent_inner_html: true,
    indent_char: ' ',
    indent_size: 2,
    sep: '\n'
  };
  
  var pretty = function pretty(str, options) {
    var opts = extend$1({}, defaults, options);
    str = beautify.html(str, opts);
  
    if (opts.ocd === true) {
      if (opts.newlines) opts.sep = opts.newlines;
      return ocd(str, opts);
    }
  
    return str;
  };
  
  function ocd(str, options) {
    // Normalize and condense all newlines
    return condense(str, options)
      // Remove empty whitespace the top of a file.
      .replace(/^\s+/g, '')
      // Remove extra whitespace from eof
      .replace(/\s+$/g, '\n')
  
      // Add a space above each comment
      .replace(/(\s*<!--)/g, '\n$1')
      // Bring closing comments up to the same line as closing tag.
      .replace(/>(\s*)(?=<!--\s*\/)/g, '> ');
  }
  
  var BaseWrapper = /** @class */ (function () {
      function BaseWrapper(element) {
          var _this = this;
          this.isDisabled = function () {
              var validTagsToBeDisabled = [
                  'BUTTON',
                  'COMMAND',
                  'FIELDSET',
                  'KEYGEN',
                  'OPTGROUP',
                  'OPTION',
                  'SELECT',
                  'TEXTAREA',
                  'INPUT'
              ];
              var hasDisabledAttribute = _this.attributes().disabled !== undefined;
              var elementCanBeDisabled = isElement(_this.element) &&
                  validTagsToBeDisabled.includes(_this.element.tagName);
              return hasDisabledAttribute && elementCanBeDisabled;
          };
          this.wrapperElement = element;
      }
      Object.defineProperty(BaseWrapper.prototype, "element", {
          get: function () {
              return this.wrapperElement;
          },
          enumerable: false,
          configurable: true
      });
      BaseWrapper.prototype.find = function (selector) {
          if (typeof selector === 'object' && 'ref' in selector) {
              var currentComponent = this.getCurrentComponent();
              if (!currentComponent) {
                  return createWrapperError('DOMWrapper');
              }
              var result_1 = currentComponent.refs[selector.ref];
              if (result_1 instanceof Node) {
                  return createDOMWrapper(result_1);
              }
              else {
                  return createWrapperError('DOMWrapper');
              }
          }
          var elementRootNodes = this.getRootNodes().filter(function (node) { return node instanceof Element; });
          if (elementRootNodes.length === 0) {
              return createWrapperError('DOMWrapper');
          }
          var matchingRootNode = elementRootNodes.find(function (node) {
              return node.matches(selector);
          });
          if (matchingRootNode) {
              return createDOMWrapper(matchingRootNode);
          }
          var result = elementRootNodes
              .map(function (node) { return node.querySelector(selector); })
              .filter(isNotNullOrUndefined);
          if (result.length > 0) {
              return createDOMWrapper(result[0]);
          }
          return createWrapperError('DOMWrapper');
      };
      BaseWrapper.prototype.findAll = function (selector) {
          if (!isElement(this.element)) {
              return [];
          }
          var result = this.element.matches(selector)
              ? [createDOMWrapper(this.element)]
              : [];
          return __spreadArray(__spreadArray([], result, true), Array.from(this.element.querySelectorAll(selector)).map(function (x) {
              return createDOMWrapper(x);
          }), true);
      };
      BaseWrapper.prototype.findComponent = function (selector) {
          var currentComponent = this.getCurrentComponent();
          if (!currentComponent) {
              return createWrapperError('VueWrapper');
          }
          if (typeof selector === 'object' && 'ref' in selector) {
              var result_2 = currentComponent.refs[selector.ref];
              if (result_2 && !(result_2 instanceof HTMLElement)) {
                  return createVueWrapper(null, result_2);
              }
              else {
                  return createWrapperError('VueWrapper');
              }
          }
          if (matches(currentComponent.vnode, selector) &&
              this.element.contains(currentComponent.vnode.el)) {
              return createVueWrapper(null, currentComponent.proxy);
          }
          var result = this.findAllComponents(selector)[0];
          return result !== null && result !== void 0 ? result : createWrapperError('VueWrapper');
      };
      BaseWrapper.prototype.findAllComponents = function (selector) {
          var currentComponent = this.getCurrentComponent();
          if (!currentComponent) {
              return [];
          }
          var results = find(currentComponent.subTree, selector);
          return results.map(function (c) {
              return c.proxy
                  ? createVueWrapper(null, c.proxy)
                  : createDOMWrapper(c.vnode.el);
          });
      };
      BaseWrapper.prototype.html = function () {
          return this.getRootNodes()
              .map(function (node) { return pretty(stringifyNode(node)); })
              .join('\n');
      };
      BaseWrapper.prototype.classes = function (className) {
          var classes = isElement(this.element)
              ? Array.from(this.element.classList)
              : [];
          if (className)
              return classes.includes(className);
          return classes;
      };
      BaseWrapper.prototype.attributes = function (key) {
          var attributeMap = {};
          if (isElement(this.element)) {
              var attributes = Array.from(this.element.attributes);
              for (var _i = 0, attributes_1 = attributes; _i < attributes_1.length; _i++) {
                  var attribute = attributes_1[_i];
                  attributeMap[attribute.localName] = attribute.value;
              }
          }
          return key ? attributeMap[key] : attributeMap;
      };
      BaseWrapper.prototype.text = function () {
          return textContent(this.element);
      };
      BaseWrapper.prototype.exists = function () {
          return true;
      };
      BaseWrapper.prototype.get = function (selector) {
          var result = this.find(selector);
          if (result.exists()) {
              return result;
          }
          throw new Error("Unable to get ".concat(selector, " within: ").concat(this.html()));
      };
      BaseWrapper.prototype.getComponent = function (selector) {
          var result = this.findComponent(selector);
          if (result.exists()) {
              return result;
          }
          var message = 'Unable to get ';
          if (typeof selector === 'string') {
              message += "component with selector ".concat(selector);
          }
          else if ('name' in selector) {
              message += "component with name ".concat(selector.name);
          }
          else if ('ref' in selector) {
              message += "component with ref ".concat(selector.ref);
          }
          else {
              message += 'specified component';
          }
          message += " within: ".concat(this.html());
          throw new Error(message);
      };
      BaseWrapper.prototype.isVisible = function () {
          return isElement(this.element) && isElementVisible(this.element);
      };
      BaseWrapper.prototype.trigger = function (eventString, options) {
          return __awaiter(this, void 0, void 0, function () {
              var event_1;
              return __generator(this, function (_a) {
                  if (options && options['target']) {
                      throw Error("[vue-test-utils]: you cannot set the target value of an event. See the notes section " +
                          "of the docs for more details\u2014" +
                          "https://vue-test-utils.vuejs.org/api/wrapper/trigger.html");
                  }
                  if (this.element && !this.isDisabled()) {
                      event_1 = createDOMEvent(eventString, options);
                      this.element.dispatchEvent(event_1);
                  }
                  return [2 /*return*/, nextTick()];
              });
          });
      };
      return BaseWrapper;
  }());
  
  var DOMWrapper = /** @class */ (function (_super) {
      __extends(DOMWrapper, _super);
      function DOMWrapper(element) {
          var _this = _super.call(this, element) || this;
          // plugins hook
          config.plugins.DOMWrapper.extend(_this);
          return _this;
      }
      DOMWrapper.prototype.getRootNodes = function () {
          return [this.wrapperElement];
      };
      DOMWrapper.prototype.getCurrentComponent = function () {
          return this.element.__vueParentComponent;
      };
      DOMWrapper.prototype.find = function (selector) {
          var result = _super.prototype.find.call(this, selector);
          if (result.exists() && isRefSelector(selector)) {
              return this.element.contains(result.element)
                  ? result
                  : createWrapperError('DOMWrapper');
          }
          return result;
      };
      DOMWrapper.prototype.findAllComponents = function (selector) {
          var _this = this;
          var results = _super.prototype.findAllComponents.call(this, selector);
          return results.filter(function (r) { return _this.element.contains(r.element); });
      };
      DOMWrapper.prototype.setChecked = function (checked) {
          if (checked === void 0) { checked = true; }
          return __awaiter(this, void 0, void 0, function () {
              var element, type;
              return __generator(this, function (_a) {
                  element = this.element;
                  type = this.attributes().type;
                  if (type === 'radio' && !checked) {
                      throw Error("wrapper.setChecked() cannot be called with parameter false on a '<input type=\"radio\" /> element.");
                  }
                  // we do not want to trigger an event if the user
                  // attempting set the same value twice
                  // this is because in a browser setting checked = true when it is
                  // already true is a no-op; no change event is triggered
                  if (checked === element.checked) {
                      return [2 /*return*/];
                  }
                  element.checked = checked;
                  return [2 /*return*/, this.trigger('change')];
              });
          });
      };
      DOMWrapper.prototype.setValue = function (value) {
          var element = this.element;
          var tagName = element.tagName;
          var type = this.attributes().type;
          if (tagName === 'OPTION') {
              this.setSelected();
              return Promise.resolve();
          }
          else if (tagName === 'INPUT' && type === 'checkbox') {
              return this.setChecked(value);
          }
          else if (tagName === 'INPUT' && type === 'radio') {
              return this.setChecked(value);
          }
          else if (tagName === 'INPUT' ||
              tagName === 'TEXTAREA' ||
              tagName === 'SELECT') {
              element.value = value;
              if (tagName === 'SELECT') {
                  return this.trigger('change');
              }
              this.trigger('input');
              // trigger `change` for `v-model.lazy`
              return this.trigger('change');
          }
          else {
              throw Error("wrapper.setValue() cannot be called on ".concat(tagName));
          }
      };
      DOMWrapper.prototype.setSelected = function () {
          var element = this.element;
          if (element.selected) {
              return;
          }
          // todo - review all non-null assertion operators in project
          // search globally for `!.` and with regex `!$`
          element.selected = true;
          var parentElement = element.parentElement;
          if (parentElement.tagName === 'OPTGROUP') {
              parentElement = parentElement.parentElement;
          }
          return new DOMWrapper(parentElement).trigger('change');
      };
      return DOMWrapper;
  }(BaseWrapper));
  registerFactory(WrapperType.DOMWrapper, function (element) { return new DOMWrapper(element); });
  
  function getRootNodes(vnode) {
      if (vnode.shapeFlag & (1 /* ELEMENT */ | 128 /* SUSPENSE */)) {
          return [vnode.el];
      }
      else if (vnode.shapeFlag & 6 /* COMPONENT */) {
          var subTree = vnode.component.subTree;
          return getRootNodes(subTree);
      }
      else if (vnode.shapeFlag &
          (8 /* TEXT_CHILDREN */ | 64 /* TELEPORT */)) {
          // static node optimization, subTree.children will be static string and will not help us
          var result = [vnode.el];
          if (vnode.anchor) {
              var currentNode = result[0].nextSibling;
              while (currentNode && currentNode.previousSibling !== vnode.anchor) {
                  result.push(currentNode);
                  currentNode = currentNode.nextSibling;
              }
          }
          return result;
      }
      else if (vnode.shapeFlag & 16 /* ARRAY_CHILDREN */) {
          var children = vnode.children.flat(Infinity);
          return children
              .flatMap(function (vnode) { return getRootNodes(vnode); })
              .filter(isNotNullOrUndefined);
      }
      // Missing cases which do not need special handling:
      // ShapeFlags.SLOTS_CHILDREN comes with ShapeFlags.ELEMENT
      // Will hit this default when ShapeFlags is 0
      // This is the case for example for unresolved async component without loader
      return [];
  }
  
  var events;
  function emitted(vm, eventName) {
      var cid = vm.$.uid;
      var vmEvents = events[cid] || {};
      if (eventName) {
          return vmEvents ? vmEvents[eventName] : undefined;
      }
      return vmEvents;
  }
  var attachEmitListener = function () {
      events = {};
      // use devtools to capture this "emit"
      setDevtoolsHook(createDevTools(), {});
  };
  // devtools hook only catches Vue component custom events
  function createDevTools(events) {
      return {
          emit: function (eventType) {
              var payload = [];
              for (var _i = 1; _i < arguments.length; _i++) {
                  payload[_i - 1] = arguments[_i];
              }
              if (eventType !== "component:emit" /* COMPONENT_EMIT */)
                  return;
              payload[0]; var componentVM = payload[1], event = payload[2], eventArgs = payload[3];
              recordEvent(componentVM, event, eventArgs);
          }
      };
  }
  var recordEvent = function (vm, event, args) {
      // Functional component wrapper creates a parent component
      var wrapperVm = vm;
      while (typeof (wrapperVm === null || wrapperVm === void 0 ? void 0 : wrapperVm.type) === 'function')
          wrapperVm = wrapperVm.parent;
      var cid = wrapperVm.uid;
      if (!(cid in events)) {
          events[cid] = {};
      }
      if (!(event in events[cid])) {
          events[cid][event] = [];
      }
      // Record the event message sent by the emit
      events[cid][event].push(args);
  };
  
  var VueWrapper = /** @class */ (function (_super) {
      __extends(VueWrapper, _super);
      function VueWrapper(app, vm, setProps) {
          var _this = _super.call(this, vm === null || vm === void 0 ? void 0 : vm.$el) || this;
          _this.__app = app;
          // root is null on functional components
          _this.rootVM = vm === null || vm === void 0 ? void 0 : vm.$root;
          // `vm.$.proxy` is what the template has access to
          // so even if the component is closed (as they are by default for `script setup`)
          // a test will still be able to do something like
          // `expect(wrapper.vm.count).toBe(1)`
          // if we return it as `vm`
          // This does not work for functional components though (as they have no vm)
          // or for components with a setup that returns a render function (as they have an empty proxy)
          // in both cases, we return `vm` directly instead
          _this.componentVM =
              vm &&
                  // a component with a setup that returns a render function will have no `devtoolsRawSetupState`
                  vm.$.devtoolsRawSetupState
                  ? vm.$.proxy
                  : vm;
          _this.__setProps = setProps;
          _this.attachNativeEventListener();
          config.plugins.VueWrapper.extend(_this);
          return _this;
      }
      Object.defineProperty(VueWrapper.prototype, "hasMultipleRoots", {
          get: function () {
              // if the subtree is an array of children, we have multiple root nodes
              return this.vm.$.subTree.shapeFlag === 16 /* ARRAY_CHILDREN */;
          },
          enumerable: false,
          configurable: true
      });
      VueWrapper.prototype.getRootNodes = function () {
          return getRootNodes(this.vm.$.vnode);
      };
      Object.defineProperty(VueWrapper.prototype, "parentElement", {
          get: function () {
              return this.vm.$el.parentElement;
          },
          enumerable: false,
          configurable: true
      });
      VueWrapper.prototype.getCurrentComponent = function () {
          return this.vm.$;
      };
      VueWrapper.prototype.attachNativeEventListener = function () {
          var vm = this.vm;
          if (!vm)
              return;
          var emits = vm.$options.emits
              ? // if emits is declared as an array
                  Array.isArray(vm.$options.emits)
                      ? // use it
                          vm.$options.emits
                      : // otherwise it's declared as an object
                          // and we only need the keys
                          Object.keys(vm.$options.emits)
              : [];
          var elementRoots = this.getRootNodes().filter(function (node) { return node instanceof Element; });
          if (elementRoots.length !== 1) {
              return;
          }
          var element = elementRoots[0];
          var _loop_1 = function (eventName) {
              // if a component includes events in 'emits' with the same name as native
              // events, the native events with that name should be ignored
              // @see https://github.com/vuejs/rfcs/blob/master/active-rfcs/0030-emits-option.md#fallthrough-control
              if (emits.includes(eventName))
                  return "continue";
              element.addEventListener(eventName, function () {
                  var args = [];
                  for (var _i = 0; _i < arguments.length; _i++) {
                      args[_i] = arguments[_i];
                  }
                  recordEvent(vm.$, eventName, args);
              });
          };
          for (var _i = 0, _a = Object.keys(domEvents); _i < _a.length; _i++) {
              var eventName = _a[_i];
              _loop_1(eventName);
          }
      };
      Object.defineProperty(VueWrapper.prototype, "element", {
          get: function () {
              // if the component has multiple root elements, we use the parent's element
              return this.hasMultipleRoots ? this.parentElement : this.vm.$el;
          },
          enumerable: false,
          configurable: true
      });
      Object.defineProperty(VueWrapper.prototype, "vm", {
          get: function () {
              return this.componentVM;
          },
          enumerable: false,
          configurable: true
      });
      VueWrapper.prototype.props = function (selector) {
          var props = this.componentVM.$props;
          return selector ? props[selector] : props;
      };
      VueWrapper.prototype.emitted = function (eventName) {
          return emitted(this.vm, eventName);
      };
      VueWrapper.prototype.isVisible = function () {
          var domWrapper = createDOMWrapper(this.element);
          return domWrapper.isVisible();
      };
      VueWrapper.prototype.setData = function (data) {
          mergeDeep(this.componentVM.$data, data);
          return nextTick();
      };
      VueWrapper.prototype.setProps = function (props) {
          // if this VM's parent is not the root or if setProps does not exist, error out
          if (this.vm.$parent !== this.rootVM || !this.__setProps) {
              throw Error('You can only use setProps on your mounted component');
          }
          this.__setProps(props);
          return nextTick();
      };
      VueWrapper.prototype.setValue = function (value, prop) {
          var propEvent = prop || 'modelValue';
          this.vm.$emit("update:".concat(propEvent), value);
          return this.vm.$nextTick();
      };
      VueWrapper.prototype.unmount = function () {
          // preventing dispose of child component
          if (!this.__app) {
              throw new Error("wrapper.unmount() can only be called by the root wrapper");
          }
          this.__app.unmount();
      };
      return VueWrapper;
  }(BaseWrapper));
  registerFactory(WrapperType.VueWrapper, function (app, vm, setProps) { return new VueWrapper(app, vm, setProps); });
  
  /**
   * Make a map and return a function for checking if a key
   * is in that map.
   * IMPORTANT: all calls of this function must be prefixed with
   * \/\*#\_\_PURE\_\_\*\/
   * So that rollup can tree-shake them if necessary.
   */
  function makeMap(str, expectsLowerCase) {
      const map = Object.create(null);
      const list = str.split(',');
      for (let i = 0; i < list.length; i++) {
          map[list[i]] = true;
      }
      return expectsLowerCase ? val => !!map[val.toLowerCase()] : val => !!map[val];
  }
  
  /**
   * dev only flag -> name mapping
   */
  const PatchFlagNames = {
      [1 /* TEXT */]: `TEXT`,
      [2 /* CLASS */]: `CLASS`,
      [4 /* STYLE */]: `STYLE`,
      [8 /* PROPS */]: `PROPS`,
      [16 /* FULL_PROPS */]: `FULL_PROPS`,
      [32 /* HYDRATE_EVENTS */]: `HYDRATE_EVENTS`,
      [64 /* STABLE_FRAGMENT */]: `STABLE_FRAGMENT`,
      [128 /* KEYED_FRAGMENT */]: `KEYED_FRAGMENT`,
      [256 /* UNKEYED_FRAGMENT */]: `UNKEYED_FRAGMENT`,
      [512 /* NEED_PATCH */]: `NEED_PATCH`,
      [1024 /* DYNAMIC_SLOTS */]: `DYNAMIC_SLOTS`,
      [2048 /* DEV_ROOT_FRAGMENT */]: `DEV_ROOT_FRAGMENT`,
      [-1 /* HOISTED */]: `HOISTED`,
      [-2 /* BAIL */]: `BAIL`
  };
  
  /**
   * Dev only
   */
  const slotFlagsText = {
      [1 /* STABLE */]: 'STABLE',
      [2 /* DYNAMIC */]: 'DYNAMIC',
      [3 /* FORWARDED */]: 'FORWARDED'
  };
  const listDelimiterRE = /;(?![^(]*\))/g;
  const propertyDelimiterRE = /:(.+)/;
  function parseStringStyle(cssText) {
      const ret = {};
      cssText.split(listDelimiterRE).forEach(item => {
          if (item) {
              const tmp = item.split(propertyDelimiterRE);
              tmp.length > 1 && (ret[tmp[0].trim()] = tmp[1].trim());
          }
      });
      return ret;
  }
  
  // These tag configs are shared between compiler-dom and runtime-dom, so they
  // https://developer.mozilla.org/en-US/docs/Web/HTML/Element
  const HTML_TAGS = 'html,body,base,head,link,meta,style,title,address,article,aside,footer,' +
      'header,h1,h2,h3,h4,h5,h6,nav,section,div,dd,dl,dt,figcaption,' +
      'figure,picture,hr,img,li,main,ol,p,pre,ul,a,b,abbr,bdi,bdo,br,cite,code,' +
      'data,dfn,em,i,kbd,mark,q,rp,rt,ruby,s,samp,small,span,strong,sub,sup,' +
      'time,u,var,wbr,area,audio,map,track,video,embed,object,param,source,' +
      'canvas,script,noscript,del,ins,caption,col,colgroup,table,thead,tbody,td,' +
      'th,tr,button,datalist,fieldset,form,input,label,legend,meter,optgroup,' +
      'option,output,progress,select,textarea,details,dialog,menu,' +
      'summary,template,blockquote,iframe,tfoot';
  // https://developer.mozilla.org/en-US/docs/Web/SVG/Element
  const SVG_TAGS = 'svg,animate,animateMotion,animateTransform,circle,clipPath,color-profile,' +
      'defs,desc,discard,ellipse,feBlend,feColorMatrix,feComponentTransfer,' +
      'feComposite,feConvolveMatrix,feDiffuseLighting,feDisplacementMap,' +
      'feDistanceLight,feDropShadow,feFlood,feFuncA,feFuncB,feFuncG,feFuncR,' +
      'feGaussianBlur,feImage,feMerge,feMergeNode,feMorphology,feOffset,' +
      'fePointLight,feSpecularLighting,feSpotLight,feTile,feTurbulence,filter,' +
      'foreignObject,g,hatch,hatchpath,image,line,linearGradient,marker,mask,' +
      'mesh,meshgradient,meshpatch,meshrow,metadata,mpath,path,pattern,' +
      'polygon,polyline,radialGradient,rect,set,solidcolor,stop,switch,symbol,' +
      'text,textPath,title,tspan,unknown,use,view';
  const VOID_TAGS = 'area,base,br,col,embed,hr,img,input,link,meta,param,source,track,wbr';
  const isHTMLTag = /*#__PURE__*/ makeMap(HTML_TAGS);
  const isSVGTag = /*#__PURE__*/ makeMap(SVG_TAGS);
  const isVoidTag = /*#__PURE__*/ makeMap(VOID_TAGS);
  
  const EMPTY_OBJ = Object.freeze({})
      ;
  Object.freeze([]) ;
  const NOOP = () => { };
  /**
   * Always return false.
   */
  const NO = () => false;
  const onRE = /^on[^a-z]/;
  const isOn = (key) => onRE.test(key);
  const extend = Object.assign;
  const isArray = Array.isArray;
  const isString = (val) => typeof val === 'string';
  const isSymbol = (val) => typeof val === 'symbol';
  const isObject = (val) => val !== null && typeof val === 'object';
  const isReservedProp = /*#__PURE__*/ makeMap(
  // the leading comma is intentional so empty string "" is also included
  ',key,ref,ref_for,ref_key,' +
      'onVnodeBeforeMount,onVnodeMounted,' +
      'onVnodeBeforeUpdate,onVnodeUpdated,' +
      'onVnodeBeforeUnmount,onVnodeUnmounted');
  const cacheStringFunction$1 = (fn) => {
      const cache = Object.create(null);
      return ((str) => {
          const hit = cache[str];
          return hit || (cache[str] = fn(str));
      });
  };
  const camelizeRE$1 = /-(\w)/g;
  /**
   * @private
   */
  const camelize$1 = cacheStringFunction$1((str) => {
      return str.replace(camelizeRE$1, (_, c) => (c ? c.toUpperCase() : ''));
  });
  const hyphenateRE = /\B([A-Z])/g;
  /**
   * @private
   */
  const hyphenate = cacheStringFunction$1((str) => str.replace(hyphenateRE, '-$1').toLowerCase());
  /**
   * @private
   */
  const capitalize = cacheStringFunction$1((str) => str.charAt(0).toUpperCase() + str.slice(1));
  /**
   * @private
   */
  const toHandlerKey = cacheStringFunction$1((str) => str ? `on${capitalize(str)}` : ``);
  
  function defaultOnError(error) {
      throw error;
  }
  function defaultOnWarn(msg) {
      console.warn(`[Vue warn] ${msg.message}`);
  }
  function createCompilerError(code, loc, messages, additionalMessage) {
      const msg = (messages || errorMessages)[code] + (additionalMessage || ``)
          ;
      const error = new SyntaxError(String(msg));
      error.code = code;
      error.loc = loc;
      return error;
  }
  const errorMessages = {
      // parse errors
      [0 /* ABRUPT_CLOSING_OF_EMPTY_COMMENT */]: 'Illegal comment.',
      [1 /* CDATA_IN_HTML_CONTENT */]: 'CDATA section is allowed only in XML context.',
      [2 /* DUPLICATE_ATTRIBUTE */]: 'Duplicate attribute.',
      [3 /* END_TAG_WITH_ATTRIBUTES */]: 'End tag cannot have attributes.',
      [4 /* END_TAG_WITH_TRAILING_SOLIDUS */]: "Illegal '/' in tags.",
      [5 /* EOF_BEFORE_TAG_NAME */]: 'Unexpected EOF in tag.',
      [6 /* EOF_IN_CDATA */]: 'Unexpected EOF in CDATA section.',
      [7 /* EOF_IN_COMMENT */]: 'Unexpected EOF in comment.',
      [8 /* EOF_IN_SCRIPT_HTML_COMMENT_LIKE_TEXT */]: 'Unexpected EOF in script.',
      [9 /* EOF_IN_TAG */]: 'Unexpected EOF in tag.',
      [10 /* INCORRECTLY_CLOSED_COMMENT */]: 'Incorrectly closed comment.',
      [11 /* INCORRECTLY_OPENED_COMMENT */]: 'Incorrectly opened comment.',
      [12 /* INVALID_FIRST_CHARACTER_OF_TAG_NAME */]: "Illegal tag name. Use '&lt;' to print '<'.",
      [13 /* MISSING_ATTRIBUTE_VALUE */]: 'Attribute value was expected.',
      [14 /* MISSING_END_TAG_NAME */]: 'End tag name was expected.',
      [15 /* MISSING_WHITESPACE_BETWEEN_ATTRIBUTES */]: 'Whitespace was expected.',
      [16 /* NESTED_COMMENT */]: "Unexpected '<!--' in comment.",
      [17 /* UNEXPECTED_CHARACTER_IN_ATTRIBUTE_NAME */]: 'Attribute name cannot contain U+0022 ("), U+0027 (\'), and U+003C (<).',
      [18 /* UNEXPECTED_CHARACTER_IN_UNQUOTED_ATTRIBUTE_VALUE */]: 'Unquoted attribute value cannot contain U+0022 ("), U+0027 (\'), U+003C (<), U+003D (=), and U+0060 (`).',
      [19 /* UNEXPECTED_EQUALS_SIGN_BEFORE_ATTRIBUTE_NAME */]: "Attribute name cannot start with '='.",
      [21 /* UNEXPECTED_QUESTION_MARK_INSTEAD_OF_TAG_NAME */]: "'<?' is allowed only in XML context.",
      [20 /* UNEXPECTED_NULL_CHARACTER */]: `Unexpected null character.`,
      [22 /* UNEXPECTED_SOLIDUS_IN_TAG */]: "Illegal '/' in tags.",
      // Vue-specific parse errors
      [23 /* X_INVALID_END_TAG */]: 'Invalid end tag.',
      [24 /* X_MISSING_END_TAG */]: 'Element is missing end tag.',
      [25 /* X_MISSING_INTERPOLATION_END */]: 'Interpolation end sign was not found.',
      [27 /* X_MISSING_DYNAMIC_DIRECTIVE_ARGUMENT_END */]: 'End bracket for dynamic directive argument was not found. ' +
          'Note that dynamic directive argument cannot contain spaces.',
      [26 /* X_MISSING_DIRECTIVE_NAME */]: 'Legal directive name was expected.',
      // transform errors
      [28 /* X_V_IF_NO_EXPRESSION */]: `v-if/v-else-if is missing expression.`,
      [29 /* X_V_IF_SAME_KEY */]: `v-if/else branches must use unique keys.`,
      [30 /* X_V_ELSE_NO_ADJACENT_IF */]: `v-else/v-else-if has no adjacent v-if or v-else-if.`,
      [31 /* X_V_FOR_NO_EXPRESSION */]: `v-for is missing expression.`,
      [32 /* X_V_FOR_MALFORMED_EXPRESSION */]: `v-for has invalid expression.`,
      [33 /* X_V_FOR_TEMPLATE_KEY_PLACEMENT */]: `<template v-for> key should be placed on the <template> tag.`,
      [34 /* X_V_BIND_NO_EXPRESSION */]: `v-bind is missing expression.`,
      [35 /* X_V_ON_NO_EXPRESSION */]: `v-on is missing expression.`,
      [36 /* X_V_SLOT_UNEXPECTED_DIRECTIVE_ON_SLOT_OUTLET */]: `Unexpected custom directive on <slot> outlet.`,
      [37 /* X_V_SLOT_MIXED_SLOT_USAGE */]: `Mixed v-slot usage on both the component and nested <template>.` +
          `When there are multiple named slots, all slots should use <template> ` +
          `syntax to avoid scope ambiguity.`,
      [38 /* X_V_SLOT_DUPLICATE_SLOT_NAMES */]: `Duplicate slot names found. `,
      [39 /* X_V_SLOT_EXTRANEOUS_DEFAULT_SLOT_CHILDREN */]: `Extraneous children found when component already has explicitly named ` +
          `default slot. These children will be ignored.`,
      [40 /* X_V_SLOT_MISPLACED */]: `v-slot can only be used on components or <template> tags.`,
      [41 /* X_V_MODEL_NO_EXPRESSION */]: `v-model is missing expression.`,
      [42 /* X_V_MODEL_MALFORMED_EXPRESSION */]: `v-model value must be a valid JavaScript member expression.`,
      [43 /* X_V_MODEL_ON_SCOPE_VARIABLE */]: `v-model cannot be used on v-for or v-slot scope variables because they are not writable.`,
      [44 /* X_INVALID_EXPRESSION */]: `Error parsing JavaScript expression: `,
      [45 /* X_KEEP_ALIVE_INVALID_CHILDREN */]: `<KeepAlive> expects exactly one child component.`,
      // generic errors
      [46 /* X_PREFIX_ID_NOT_SUPPORTED */]: `"prefixIdentifiers" option is not supported in this build of compiler.`,
      [47 /* X_MODULE_MODE_NOT_SUPPORTED */]: `ES module mode is not supported in this build of compiler.`,
      [48 /* X_CACHE_HANDLER_NOT_SUPPORTED */]: `"cacheHandlers" option is only supported when the "prefixIdentifiers" option is enabled.`,
      [49 /* X_SCOPE_ID_NOT_SUPPORTED */]: `"scopeId" option is only supported in module mode.`,
      // just to fulfill types
      [50 /* __EXTEND_POINT__ */]: ``
  };
  
  const FRAGMENT = Symbol(`Fragment` );
  const TELEPORT = Symbol(`Teleport` );
  const SUSPENSE = Symbol(`Suspense` );
  const KEEP_ALIVE = Symbol(`KeepAlive` );
  const BASE_TRANSITION = Symbol(`BaseTransition` );
  const OPEN_BLOCK = Symbol(`openBlock` );
  const CREATE_BLOCK = Symbol(`createBlock` );
  const CREATE_ELEMENT_BLOCK = Symbol(`createElementBlock` );
  const CREATE_VNODE = Symbol(`createVNode` );
  const CREATE_ELEMENT_VNODE = Symbol(`createElementVNode` );
  const CREATE_COMMENT = Symbol(`createCommentVNode` );
  const CREATE_TEXT = Symbol(`createTextVNode` );
  const CREATE_STATIC = Symbol(`createStaticVNode` );
  const RESOLVE_COMPONENT = Symbol(`resolveComponent` );
  const RESOLVE_DYNAMIC_COMPONENT = Symbol(`resolveDynamicComponent` );
  const RESOLVE_DIRECTIVE = Symbol(`resolveDirective` );
  const RESOLVE_FILTER = Symbol(`resolveFilter` );
  const WITH_DIRECTIVES = Symbol(`withDirectives` );
  const RENDER_LIST = Symbol(`renderList` );
  const RENDER_SLOT = Symbol(`renderSlot` );
  const CREATE_SLOTS = Symbol(`createSlots` );
  const TO_DISPLAY_STRING = Symbol(`toDisplayString` );
  const MERGE_PROPS = Symbol(`mergeProps` );
  const NORMALIZE_CLASS = Symbol(`normalizeClass` );
  const NORMALIZE_STYLE = Symbol(`normalizeStyle` );
  const NORMALIZE_PROPS = Symbol(`normalizeProps` );
  const GUARD_REACTIVE_PROPS = Symbol(`guardReactiveProps` );
  const TO_HANDLERS = Symbol(`toHandlers` );
  const CAMELIZE = Symbol(`camelize` );
  const CAPITALIZE = Symbol(`capitalize` );
  const TO_HANDLER_KEY = Symbol(`toHandlerKey` );
  const SET_BLOCK_TRACKING = Symbol(`setBlockTracking` );
  const PUSH_SCOPE_ID = Symbol(`pushScopeId` );
  const POP_SCOPE_ID = Symbol(`popScopeId` );
  const WITH_CTX = Symbol(`withCtx` );
  const UNREF = Symbol(`unref` );
  const IS_REF = Symbol(`isRef` );
  const WITH_MEMO = Symbol(`withMemo` );
  const IS_MEMO_SAME = Symbol(`isMemoSame` );
  // Name mapping for runtime helpers that need to be imported from 'vue' in
  // generated code. Make sure these are correctly exported in the runtime!
  // Using `any` here because TS doesn't allow symbols as index type.
  const helperNameMap = {
      [FRAGMENT]: `Fragment`,
      [TELEPORT]: `Teleport`,
      [SUSPENSE]: `Suspense`,
      [KEEP_ALIVE]: `KeepAlive`,
      [BASE_TRANSITION]: `BaseTransition`,
      [OPEN_BLOCK]: `openBlock`,
      [CREATE_BLOCK]: `createBlock`,
      [CREATE_ELEMENT_BLOCK]: `createElementBlock`,
      [CREATE_VNODE]: `createVNode`,
      [CREATE_ELEMENT_VNODE]: `createElementVNode`,
      [CREATE_COMMENT]: `createCommentVNode`,
      [CREATE_TEXT]: `createTextVNode`,
      [CREATE_STATIC]: `createStaticVNode`,
      [RESOLVE_COMPONENT]: `resolveComponent`,
      [RESOLVE_DYNAMIC_COMPONENT]: `resolveDynamicComponent`,
      [RESOLVE_DIRECTIVE]: `resolveDirective`,
      [RESOLVE_FILTER]: `resolveFilter`,
      [WITH_DIRECTIVES]: `withDirectives`,
      [RENDER_LIST]: `renderList`,
      [RENDER_SLOT]: `renderSlot`,
      [CREATE_SLOTS]: `createSlots`,
      [TO_DISPLAY_STRING]: `toDisplayString`,
      [MERGE_PROPS]: `mergeProps`,
      [NORMALIZE_CLASS]: `normalizeClass`,
      [NORMALIZE_STYLE]: `normalizeStyle`,
      [NORMALIZE_PROPS]: `normalizeProps`,
      [GUARD_REACTIVE_PROPS]: `guardReactiveProps`,
      [TO_HANDLERS]: `toHandlers`,
      [CAMELIZE]: `camelize`,
      [CAPITALIZE]: `capitalize`,
      [TO_HANDLER_KEY]: `toHandlerKey`,
      [SET_BLOCK_TRACKING]: `setBlockTracking`,
      [PUSH_SCOPE_ID]: `pushScopeId`,
      [POP_SCOPE_ID]: `popScopeId`,
      [WITH_CTX]: `withCtx`,
      [UNREF]: `unref`,
      [IS_REF]: `isRef`,
      [WITH_MEMO]: `withMemo`,
      [IS_MEMO_SAME]: `isMemoSame`
  };
  function registerRuntimeHelpers(helpers) {
      Object.getOwnPropertySymbols(helpers).forEach(s => {
          helperNameMap[s] = helpers[s];
      });
  }
  
  // AST Utilities ---------------------------------------------------------------
  // Some expressions, e.g. sequence and conditional expressions, are never
  // associated with template nodes, so their source locations are just a stub.
  // Container types like CompoundExpression also don't need a real location.
  const locStub = {
      source: '',
      start: { line: 1, column: 1, offset: 0 },
      end: { line: 1, column: 1, offset: 0 }
  };
  function createRoot(children, loc = locStub) {
      return {
          type: 0 /* ROOT */,
          children,
          helpers: [],
          components: [],
          directives: [],
          hoists: [],
          imports: [],
          cached: 0,
          temps: 0,
          codegenNode: undefined,
          loc
      };
  }
  function createVNodeCall(context, tag, props, children, patchFlag, dynamicProps, directives, isBlock = false, disableTracking = false, isComponent = false, loc = locStub) {
      if (context) {
          if (isBlock) {
              context.helper(OPEN_BLOCK);
              context.helper(getVNodeBlockHelper(context.inSSR, isComponent));
          }
          else {
              context.helper(getVNodeHelper(context.inSSR, isComponent));
          }
          if (directives) {
              context.helper(WITH_DIRECTIVES);
          }
      }
      return {
          type: 13 /* VNODE_CALL */,
          tag,
          props,
          children,
          patchFlag,
          dynamicProps,
          directives,
          isBlock,
          disableTracking,
          isComponent,
          loc
      };
  }
  function createArrayExpression(elements, loc = locStub) {
      return {
          type: 17 /* JS_ARRAY_EXPRESSION */,
          loc,
          elements
      };
  }
  function createObjectExpression(properties, loc = locStub) {
      return {
          type: 15 /* JS_OBJECT_EXPRESSION */,
          loc,
          properties
      };
  }
  function createObjectProperty(key, value) {
      return {
          type: 16 /* JS_PROPERTY */,
          loc: locStub,
          key: isString(key) ? createSimpleExpression(key, true) : key,
          value
      };
  }
  function createSimpleExpression(content, isStatic = false, loc = locStub, constType = 0 /* NOT_CONSTANT */) {
      return {
          type: 4 /* SIMPLE_EXPRESSION */,
          loc,
          content,
          isStatic,
          constType: isStatic ? 3 /* CAN_STRINGIFY */ : constType
      };
  }
  function createCompoundExpression(children, loc = locStub) {
      return {
          type: 8 /* COMPOUND_EXPRESSION */,
          loc,
          children
      };
  }
  function createCallExpression(callee, args = [], loc = locStub) {
      return {
          type: 14 /* JS_CALL_EXPRESSION */,
          loc,
          callee,
          arguments: args
      };
  }
  function createFunctionExpression(params, returns = undefined, newline = false, isSlot = false, loc = locStub) {
      return {
          type: 18 /* JS_FUNCTION_EXPRESSION */,
          params,
          returns,
          newline,
          isSlot,
          loc
      };
  }
  function createConditionalExpression(test, consequent, alternate, newline = true) {
      return {
          type: 19 /* JS_CONDITIONAL_EXPRESSION */,
          test,
          consequent,
          alternate,
          newline,
          loc: locStub
      };
  }
  function createCacheExpression(index, value, isVNode = false) {
      return {
          type: 20 /* JS_CACHE_EXPRESSION */,
          index,
          value,
          isVNode,
          loc: locStub
      };
  }
  function createBlockStatement(body) {
      return {
          type: 21 /* JS_BLOCK_STATEMENT */,
          body,
          loc: locStub
      };
  }
  
  const isStaticExp = (p) => p.type === 4 /* SIMPLE_EXPRESSION */ && p.isStatic;
  const isBuiltInType = (tag, expected) => tag === expected || tag === hyphenate(expected);
  function isCoreComponent(tag) {
      if (isBuiltInType(tag, 'Teleport')) {
          return TELEPORT;
      }
      else if (isBuiltInType(tag, 'Suspense')) {
          return SUSPENSE;
      }
      else if (isBuiltInType(tag, 'KeepAlive')) {
          return KEEP_ALIVE;
      }
      else if (isBuiltInType(tag, 'BaseTransition')) {
          return BASE_TRANSITION;
      }
  }
  const nonIdentifierRE = /^\d|[^\$\w]/;
  const isSimpleIdentifier = (name) => !nonIdentifierRE.test(name);
  const validFirstIdentCharRE = /[A-Za-z_$\xA0-\uFFFF]/;
  const validIdentCharRE = /[\.\?\w$\xA0-\uFFFF]/;
  const whitespaceRE = /\s+[.[]\s*|\s*[.[]\s+/g;
  /**
   * Simple lexer to check if an expression is a member expression. This is
   * lax and only checks validity at the root level (i.e. does not validate exps
   * inside square brackets), but it's ok since these are only used on template
   * expressions and false positives are invalid expressions in the first place.
   */
  const isMemberExpressionBrowser = (path) => {
      // remove whitespaces around . or [ first
      path = path.trim().replace(whitespaceRE, s => s.trim());
      let state = 0 /* inMemberExp */;
      let stateStack = [];
      let currentOpenBracketCount = 0;
      let currentOpenParensCount = 0;
      let currentStringType = null;
      for (let i = 0; i < path.length; i++) {
          const char = path.charAt(i);
          switch (state) {
              case 0 /* inMemberExp */:
                  if (char === '[') {
                      stateStack.push(state);
                      state = 1 /* inBrackets */;
                      currentOpenBracketCount++;
                  }
                  else if (char === '(') {
                      stateStack.push(state);
                      state = 2 /* inParens */;
                      currentOpenParensCount++;
                  }
                  else if (!(i === 0 ? validFirstIdentCharRE : validIdentCharRE).test(char)) {
                      return false;
                  }
                  break;
              case 1 /* inBrackets */:
                  if (char === `'` || char === `"` || char === '`') {
                      stateStack.push(state);
                      state = 3 /* inString */;
                      currentStringType = char;
                  }
                  else if (char === `[`) {
                      currentOpenBracketCount++;
                  }
                  else if (char === `]`) {
                      if (!--currentOpenBracketCount) {
                          state = stateStack.pop();
                      }
                  }
                  break;
              case 2 /* inParens */:
                  if (char === `'` || char === `"` || char === '`') {
                      stateStack.push(state);
                      state = 3 /* inString */;
                      currentStringType = char;
                  }
                  else if (char === `(`) {
                      currentOpenParensCount++;
                  }
                  else if (char === `)`) {
                      // if the exp ends as a call then it should not be considered valid
                      if (i === path.length - 1) {
                          return false;
                      }
                      if (!--currentOpenParensCount) {
                          state = stateStack.pop();
                      }
                  }
                  break;
              case 3 /* inString */:
                  if (char === currentStringType) {
                      state = stateStack.pop();
                      currentStringType = null;
                  }
                  break;
          }
      }
      return !currentOpenBracketCount && !currentOpenParensCount;
  };
  const isMemberExpression = isMemberExpressionBrowser
      ;
  function getInnerRange(loc, offset, length) {
      const source = loc.source.slice(offset, offset + length);
      const newLoc = {
          source,
          start: advancePositionWithClone(loc.start, loc.source, offset),
          end: loc.end
      };
      if (length != null) {
          newLoc.end = advancePositionWithClone(loc.start, loc.source, offset + length);
      }
      return newLoc;
  }
  function advancePositionWithClone(pos, source, numberOfCharacters = source.length) {
      return advancePositionWithMutation(extend({}, pos), source, numberOfCharacters);
  }
  // advance by mutation without cloning (for performance reasons), since this
  // gets called a lot in the parser
  function advancePositionWithMutation(pos, source, numberOfCharacters = source.length) {
      let linesCount = 0;
      let lastNewLinePos = -1;
      for (let i = 0; i < numberOfCharacters; i++) {
          if (source.charCodeAt(i) === 10 /* newline char code */) {
              linesCount++;
              lastNewLinePos = i;
          }
      }
      pos.offset += numberOfCharacters;
      pos.line += linesCount;
      pos.column =
          lastNewLinePos === -1
              ? pos.column + numberOfCharacters
              : numberOfCharacters - lastNewLinePos;
      return pos;
  }
  function assert(condition, msg) {
      /* istanbul ignore if */
      if (!condition) {
          throw new Error(msg || `unexpected compiler condition`);
      }
  }
  function findDir(node, name, allowEmpty = false) {
      for (let i = 0; i < node.props.length; i++) {
          const p = node.props[i];
          if (p.type === 7 /* DIRECTIVE */ &&
              (allowEmpty || p.exp) &&
              (isString(name) ? p.name === name : name.test(p.name))) {
              return p;
          }
      }
  }
  function findProp(node, name, dynamicOnly = false, allowEmpty = false) {
      for (let i = 0; i < node.props.length; i++) {
          const p = node.props[i];
          if (p.type === 6 /* ATTRIBUTE */) {
              if (dynamicOnly)
                  continue;
              if (p.name === name && (p.value || allowEmpty)) {
                  return p;
              }
          }
          else if (p.name === 'bind' &&
              (p.exp || allowEmpty) &&
              isStaticArgOf(p.arg, name)) {
              return p;
          }
      }
  }
  function isStaticArgOf(arg, name) {
      return !!(arg && isStaticExp(arg) && arg.content === name);
  }
  function hasDynamicKeyVBind(node) {
      return node.props.some(p => p.type === 7 /* DIRECTIVE */ &&
          p.name === 'bind' &&
          (!p.arg || // v-bind="obj"
              p.arg.type !== 4 /* SIMPLE_EXPRESSION */ || // v-bind:[_ctx.foo]
              !p.arg.isStatic) // v-bind:[foo]
      );
  }
  function isText(node) {
      return node.type === 5 /* INTERPOLATION */ || node.type === 2 /* TEXT */;
  }
  function isVSlot(p) {
      return p.type === 7 /* DIRECTIVE */ && p.name === 'slot';
  }
  function isTemplateNode(node) {
      return (node.type === 1 /* ELEMENT */ && node.tagType === 3 /* TEMPLATE */);
  }
  function isSlotOutlet(node) {
      return node.type === 1 /* ELEMENT */ && node.tagType === 2 /* SLOT */;
  }
  function getVNodeHelper(ssr, isComponent) {
      return ssr || isComponent ? CREATE_VNODE : CREATE_ELEMENT_VNODE;
  }
  function getVNodeBlockHelper(ssr, isComponent) {
      return ssr || isComponent ? CREATE_BLOCK : CREATE_ELEMENT_BLOCK;
  }
  const propsHelperSet = new Set([NORMALIZE_PROPS, GUARD_REACTIVE_PROPS]);
  function getUnnormalizedProps(props, callPath = []) {
      if (props &&
          !isString(props) &&
          props.type === 14 /* JS_CALL_EXPRESSION */) {
          const callee = props.callee;
          if (!isString(callee) && propsHelperSet.has(callee)) {
              return getUnnormalizedProps(props.arguments[0], callPath.concat(props));
          }
      }
      return [props, callPath];
  }
  function injectProp(node, prop, context) {
      let propsWithInjection;
      /**
       * 1. mergeProps(...)
       * 2. toHandlers(...)
       * 3. normalizeProps(...)
       * 4. normalizeProps(guardReactiveProps(...))
       *
       * we need to get the real props before normalization
       */
      let props = node.type === 13 /* VNODE_CALL */ ? node.props : node.arguments[2];
      let callPath = [];
      let parentCall;
      if (props &&
          !isString(props) &&
          props.type === 14 /* JS_CALL_EXPRESSION */) {
          const ret = getUnnormalizedProps(props);
          props = ret[0];
          callPath = ret[1];
          parentCall = callPath[callPath.length - 1];
      }
      if (props == null || isString(props)) {
          propsWithInjection = createObjectExpression([prop]);
      }
      else if (props.type === 14 /* JS_CALL_EXPRESSION */) {
          // merged props... add ours
          // only inject key to object literal if it's the first argument so that
          // if doesn't override user provided keys
          const first = props.arguments[0];
          if (!isString(first) && first.type === 15 /* JS_OBJECT_EXPRESSION */) {
              first.properties.unshift(prop);
          }
          else {
              if (props.callee === TO_HANDLERS) {
                  // #2366
                  propsWithInjection = createCallExpression(context.helper(MERGE_PROPS), [
                      createObjectExpression([prop]),
                      props
                  ]);
              }
              else {
                  props.arguments.unshift(createObjectExpression([prop]));
              }
          }
          !propsWithInjection && (propsWithInjection = props);
      }
      else if (props.type === 15 /* JS_OBJECT_EXPRESSION */) {
          let alreadyExists = false;
          // check existing key to avoid overriding user provided keys
          if (prop.key.type === 4 /* SIMPLE_EXPRESSION */) {
              const propKeyName = prop.key.content;
              alreadyExists = props.properties.some(p => p.key.type === 4 /* SIMPLE_EXPRESSION */ &&
                  p.key.content === propKeyName);
          }
          if (!alreadyExists) {
              props.properties.unshift(prop);
          }
          propsWithInjection = props;
      }
      else {
          // single v-bind with expression, return a merged replacement
          propsWithInjection = createCallExpression(context.helper(MERGE_PROPS), [
              createObjectExpression([prop]),
              props
          ]);
          // in the case of nested helper call, e.g. `normalizeProps(guardReactiveProps(props))`,
          // it will be rewritten as `normalizeProps(mergeProps({ key: 0 }, props))`,
          // the `guardReactiveProps` will no longer be needed
          if (parentCall && parentCall.callee === GUARD_REACTIVE_PROPS) {
              parentCall = callPath[callPath.length - 2];
          }
      }
      if (node.type === 13 /* VNODE_CALL */) {
          if (parentCall) {
              parentCall.arguments[0] = propsWithInjection;
          }
          else {
              node.props = propsWithInjection;
          }
      }
      else {
          if (parentCall) {
              parentCall.arguments[0] = propsWithInjection;
          }
          else {
              node.arguments[2] = propsWithInjection;
          }
      }
  }
  function toValidAssetId(name, type) {
      // see issue#4422, we need adding identifier on validAssetId if variable `name` has specific character
      return `_${type}_${name.replace(/[^\w]/g, (searchValue, replaceValue) => {
          return searchValue === '-' ? '_' : name.charCodeAt(replaceValue).toString();
      })}`;
  }
  function getMemoedVNodeCall(node) {
      if (node.type === 14 /* JS_CALL_EXPRESSION */ && node.callee === WITH_MEMO) {
          return node.arguments[1].returns;
      }
      else {
          return node;
      }
  }
  function makeBlock(node, { helper, removeHelper, inSSR }) {
      if (!node.isBlock) {
          node.isBlock = true;
          removeHelper(getVNodeHelper(inSSR, node.isComponent));
          helper(OPEN_BLOCK);
          helper(getVNodeBlockHelper(inSSR, node.isComponent));
      }
  }
  
  const deprecationData = {
      ["COMPILER_IS_ON_ELEMENT" /* COMPILER_IS_ON_ELEMENT */]: {
          message: `Platform-native elements with "is" prop will no longer be ` +
              `treated as components in Vue 3 unless the "is" value is explicitly ` +
              `prefixed with "vue:".`,
          link: `https://v3.vuejs.org/guide/migration/custom-elements-interop.html`
      },
      ["COMPILER_V_BIND_SYNC" /* COMPILER_V_BIND_SYNC */]: {
          message: key => `.sync modifier for v-bind has been removed. Use v-model with ` +
              `argument instead. \`v-bind:${key}.sync\` should be changed to ` +
              `\`v-model:${key}\`.`,
          link: `https://v3.vuejs.org/guide/migration/v-model.html`
      },
      ["COMPILER_V_BIND_PROP" /* COMPILER_V_BIND_PROP */]: {
          message: `.prop modifier for v-bind has been removed and no longer necessary. ` +
              `Vue 3 will automatically set a binding as DOM property when appropriate.`
      },
      ["COMPILER_V_BIND_OBJECT_ORDER" /* COMPILER_V_BIND_OBJECT_ORDER */]: {
          message: `v-bind="obj" usage is now order sensitive and behaves like JavaScript ` +
              `object spread: it will now overwrite an existing non-mergeable attribute ` +
              `that appears before v-bind in the case of conflict. ` +
              `To retain 2.x behavior, move v-bind to make it the first attribute. ` +
              `You can also suppress this warning if the usage is intended.`,
          link: `https://v3.vuejs.org/guide/migration/v-bind.html`
      },
      ["COMPILER_V_ON_NATIVE" /* COMPILER_V_ON_NATIVE */]: {
          message: `.native modifier for v-on has been removed as is no longer necessary.`,
          link: `https://v3.vuejs.org/guide/migration/v-on-native-modifier-removed.html`
      },
      ["COMPILER_V_IF_V_FOR_PRECEDENCE" /* COMPILER_V_IF_V_FOR_PRECEDENCE */]: {
          message: `v-if / v-for precedence when used on the same element has changed ` +
              `in Vue 3: v-if now takes higher precedence and will no longer have ` +
              `access to v-for scope variables. It is best to avoid the ambiguity ` +
              `with <template> tags or use a computed property that filters v-for ` +
              `data source.`,
          link: `https://v3.vuejs.org/guide/migration/v-if-v-for.html`
      },
      ["COMPILER_NATIVE_TEMPLATE" /* COMPILER_NATIVE_TEMPLATE */]: {
          message: `<template> with no special directives will render as a native template ` +
              `element instead of its inner content in Vue 3.`
      },
      ["COMPILER_INLINE_TEMPLATE" /* COMPILER_INLINE_TEMPLATE */]: {
          message: `"inline-template" has been removed in Vue 3.`,
          link: `https://v3.vuejs.org/guide/migration/inline-template-attribute.html`
      },
      ["COMPILER_FILTER" /* COMPILER_FILTERS */]: {
          message: `filters have been removed in Vue 3. ` +
              `The "|" symbol will be treated as native JavaScript bitwise OR operator. ` +
              `Use method calls or computed properties instead.`,
          link: `https://v3.vuejs.org/guide/migration/filters.html`
      }
  };
  function getCompatValue(key, context) {
      const config = context.options
          ? context.options.compatConfig
          : context.compatConfig;
      const value = config && config[key];
      if (key === 'MODE') {
          return value || 3; // compiler defaults to v3 behavior
      }
      else {
          return value;
      }
  }
  function isCompatEnabled(key, context) {
      const mode = getCompatValue('MODE', context);
      const value = getCompatValue(key, context);
      // in v3 mode, only enable if explicitly set to true
      // otherwise enable for any non-false value
      return mode === 3 ? value === true : value !== false;
  }
  function checkCompatEnabled(key, context, loc, ...args) {
      const enabled = isCompatEnabled(key, context);
      if (enabled) {
          warnDeprecation(key, context, loc, ...args);
      }
      return enabled;
  }
  function warnDeprecation(key, context, loc, ...args) {
      const val = getCompatValue(key, context);
      if (val === 'suppress-warning') {
          return;
      }
      const { message, link } = deprecationData[key];
      const msg = `(deprecation ${key}) ${typeof message === 'function' ? message(...args) : message}${link ? `\n  Details: ${link}` : ``}`;
      const err = new SyntaxError(msg);
      err.code = key;
      if (loc)
          err.loc = loc;
      context.onWarn(err);
  }
  
  // The default decoder only provides escapes for characters reserved as part of
  // the template syntax, and is only used if the custom renderer did not provide
  // a platform-specific decoder.
  const decodeRE = /&(gt|lt|amp|apos|quot);/g;
  const decodeMap = {
      gt: '>',
      lt: '<',
      amp: '&',
      apos: "'",
      quot: '"'
  };
  const defaultParserOptions = {
      delimiters: [`{{`, `}}`],
      getNamespace: () => 0 /* HTML */,
      getTextMode: () => 0 /* DATA */,
      isVoidTag: NO,
      isPreTag: NO,
      isCustomElement: NO,
      decodeEntities: (rawText) => rawText.replace(decodeRE, (_, p1) => decodeMap[p1]),
      onError: defaultOnError,
      onWarn: defaultOnWarn,
      comments: (true !== 'production')
  };
  function baseParse(content, options = {}) {
      const context = createParserContext(content, options);
      const start = getCursor(context);
      return createRoot(parseChildren(context, 0 /* DATA */, []), getSelection(context, start));
  }
  function createParserContext(content, rawOptions) {
      const options = extend({}, defaultParserOptions);
      let key;
      for (key in rawOptions) {
          // @ts-ignore
          options[key] =
              rawOptions[key] === undefined
                  ? defaultParserOptions[key]
                  : rawOptions[key];
      }
      return {
          options,
          column: 1,
          line: 1,
          offset: 0,
          originalSource: content,
          source: content,
          inPre: false,
          inVPre: false,
          onWarn: options.onWarn
      };
  }
  function parseChildren(context, mode, ancestors) {
      const parent = last(ancestors);
      const ns = parent ? parent.ns : 0 /* HTML */;
      const nodes = [];
      while (!isEnd(context, mode, ancestors)) {
          const s = context.source;
          let node = undefined;
          if (mode === 0 /* DATA */ || mode === 1 /* RCDATA */) {
              if (!context.inVPre && startsWith(s, context.options.delimiters[0])) {
                  // '{{'
                  node = parseInterpolation(context, mode);
              }
              else if (mode === 0 /* DATA */ && s[0] === '<') {
                  // https://html.spec.whatwg.org/multipage/parsing.html#tag-open-state
                  if (s.length === 1) {
                      emitError(context, 5 /* EOF_BEFORE_TAG_NAME */, 1);
                  }
                  else if (s[1] === '!') {
                      // https://html.spec.whatwg.org/multipage/parsing.html#markup-declaration-open-state
                      if (startsWith(s, '<!--')) {
                          node = parseComment(context);
                      }
                      else if (startsWith(s, '<!DOCTYPE')) {
                          // Ignore DOCTYPE by a limitation.
                          node = parseBogusComment(context);
                      }
                      else if (startsWith(s, '<![CDATA[')) {
                          if (ns !== 0 /* HTML */) {
                              node = parseCDATA(context, ancestors);
                          }
                          else {
                              emitError(context, 1 /* CDATA_IN_HTML_CONTENT */);
                              node = parseBogusComment(context);
                          }
                      }
                      else {
                          emitError(context, 11 /* INCORRECTLY_OPENED_COMMENT */);
                          node = parseBogusComment(context);
                      }
                  }
                  else if (s[1] === '/') {
                      // https://html.spec.whatwg.org/multipage/parsing.html#end-tag-open-state
                      if (s.length === 2) {
                          emitError(context, 5 /* EOF_BEFORE_TAG_NAME */, 2);
                      }
                      else if (s[2] === '>') {
                          emitError(context, 14 /* MISSING_END_TAG_NAME */, 2);
                          advanceBy(context, 3);
                          continue;
                      }
                      else if (/[a-z]/i.test(s[2])) {
                          emitError(context, 23 /* X_INVALID_END_TAG */);
                          parseTag(context, 1 /* End */, parent);
                          continue;
                      }
                      else {
                          emitError(context, 12 /* INVALID_FIRST_CHARACTER_OF_TAG_NAME */, 2);
                          node = parseBogusComment(context);
                      }
                  }
                  else if (/[a-z]/i.test(s[1])) {
                      node = parseElement(context, ancestors);
                      // 2.x <template> with no directive compat
                      if (isCompatEnabled("COMPILER_NATIVE_TEMPLATE" /* COMPILER_NATIVE_TEMPLATE */, context) &&
                          node &&
                          node.tag === 'template' &&
                          !node.props.some(p => p.type === 7 /* DIRECTIVE */ &&
                              isSpecialTemplateDirective(p.name))) {
                          warnDeprecation("COMPILER_NATIVE_TEMPLATE" /* COMPILER_NATIVE_TEMPLATE */, context, node.loc);
                          node = node.children;
                      }
                  }
                  else if (s[1] === '?') {
                      emitError(context, 21 /* UNEXPECTED_QUESTION_MARK_INSTEAD_OF_TAG_NAME */, 1);
                      node = parseBogusComment(context);
                  }
                  else {
                      emitError(context, 12 /* INVALID_FIRST_CHARACTER_OF_TAG_NAME */, 1);
                  }
              }
          }
          if (!node) {
              node = parseText(context, mode);
          }
          if (isArray(node)) {
              for (let i = 0; i < node.length; i++) {
                  pushNode(nodes, node[i]);
              }
          }
          else {
              pushNode(nodes, node);
          }
      }
      // Whitespace handling strategy like v2
      let removedWhitespace = false;
      if (mode !== 2 /* RAWTEXT */ && mode !== 1 /* RCDATA */) {
          const shouldCondense = context.options.whitespace !== 'preserve';
          for (let i = 0; i < nodes.length; i++) {
              const node = nodes[i];
              if (!context.inPre && node.type === 2 /* TEXT */) {
                  if (!/[^\t\r\n\f ]/.test(node.content)) {
                      const prev = nodes[i - 1];
                      const next = nodes[i + 1];
                      // Remove if:
                      // - the whitespace is the first or last node, or:
                      // - (condense mode) the whitespace is adjacent to a comment, or:
                      // - (condense mode) the whitespace is between two elements AND contains newline
                      if (!prev ||
                          !next ||
                          (shouldCondense &&
                              (prev.type === 3 /* COMMENT */ ||
                                  next.type === 3 /* COMMENT */ ||
                                  (prev.type === 1 /* ELEMENT */ &&
                                      next.type === 1 /* ELEMENT */ &&
                                      /[\r\n]/.test(node.content))))) {
                          removedWhitespace = true;
                          nodes[i] = null;
                      }
                      else {
                          // Otherwise, the whitespace is condensed into a single space
                          node.content = ' ';
                      }
                  }
                  else if (shouldCondense) {
                      // in condense mode, consecutive whitespaces in text are condensed
                      // down to a single space.
                      node.content = node.content.replace(/[\t\r\n\f ]+/g, ' ');
                  }
              }
              // Remove comment nodes if desired by configuration.
              else if (node.type === 3 /* COMMENT */ && !context.options.comments) {
                  removedWhitespace = true;
                  nodes[i] = null;
              }
          }
          if (context.inPre && parent && context.options.isPreTag(parent.tag)) {
              // remove leading newline per html spec
              // https://html.spec.whatwg.org/multipage/grouping-content.html#the-pre-element
              const first = nodes[0];
              if (first && first.type === 2 /* TEXT */) {
                  first.content = first.content.replace(/^\r?\n/, '');
              }
          }
      }
      return removedWhitespace ? nodes.filter(Boolean) : nodes;
  }
  function pushNode(nodes, node) {
      if (node.type === 2 /* TEXT */) {
          const prev = last(nodes);
          // Merge if both this and the previous node are text and those are
          // consecutive. This happens for cases like "a < b".
          if (prev &&
              prev.type === 2 /* TEXT */ &&
              prev.loc.end.offset === node.loc.start.offset) {
              prev.content += node.content;
              prev.loc.end = node.loc.end;
              prev.loc.source += node.loc.source;
              return;
          }
      }
      nodes.push(node);
  }
  function parseCDATA(context, ancestors) {
      advanceBy(context, 9);
      const nodes = parseChildren(context, 3 /* CDATA */, ancestors);
      if (context.source.length === 0) {
          emitError(context, 6 /* EOF_IN_CDATA */);
      }
      else {
          advanceBy(context, 3);
      }
      return nodes;
  }
  function parseComment(context) {
      const start = getCursor(context);
      let content;
      // Regular comment.
      const match = /--(\!)?>/.exec(context.source);
      if (!match) {
          content = context.source.slice(4);
          advanceBy(context, context.source.length);
          emitError(context, 7 /* EOF_IN_COMMENT */);
      }
      else {
          if (match.index <= 3) {
              emitError(context, 0 /* ABRUPT_CLOSING_OF_EMPTY_COMMENT */);
          }
          if (match[1]) {
              emitError(context, 10 /* INCORRECTLY_CLOSED_COMMENT */);
          }
          content = context.source.slice(4, match.index);
          // Advancing with reporting nested comments.
          const s = context.source.slice(0, match.index);
          let prevIndex = 1, nestedIndex = 0;
          while ((nestedIndex = s.indexOf('<!--', prevIndex)) !== -1) {
              advanceBy(context, nestedIndex - prevIndex + 1);
              if (nestedIndex + 4 < s.length) {
                  emitError(context, 16 /* NESTED_COMMENT */);
              }
              prevIndex = nestedIndex + 1;
          }
          advanceBy(context, match.index + match[0].length - prevIndex + 1);
      }
      return {
          type: 3 /* COMMENT */,
          content,
          loc: getSelection(context, start)
      };
  }
  function parseBogusComment(context) {
      const start = getCursor(context);
      const contentStart = context.source[1] === '?' ? 1 : 2;
      let content;
      const closeIndex = context.source.indexOf('>');
      if (closeIndex === -1) {
          content = context.source.slice(contentStart);
          advanceBy(context, context.source.length);
      }
      else {
          content = context.source.slice(contentStart, closeIndex);
          advanceBy(context, closeIndex + 1);
      }
      return {
          type: 3 /* COMMENT */,
          content,
          loc: getSelection(context, start)
      };
  }
  function parseElement(context, ancestors) {
      // Start tag.
      const wasInPre = context.inPre;
      const wasInVPre = context.inVPre;
      const parent = last(ancestors);
      const element = parseTag(context, 0 /* Start */, parent);
      const isPreBoundary = context.inPre && !wasInPre;
      const isVPreBoundary = context.inVPre && !wasInVPre;
      if (element.isSelfClosing || context.options.isVoidTag(element.tag)) {
          // #4030 self-closing <pre> tag
          if (isPreBoundary) {
              context.inPre = false;
          }
          if (isVPreBoundary) {
              context.inVPre = false;
          }
          return element;
      }
      // Children.
      ancestors.push(element);
      const mode = context.options.getTextMode(element, parent);
      const children = parseChildren(context, mode, ancestors);
      ancestors.pop();
      // 2.x inline-template compat
      {
          const inlineTemplateProp = element.props.find(p => p.type === 6 /* ATTRIBUTE */ && p.name === 'inline-template');
          if (inlineTemplateProp &&
              checkCompatEnabled("COMPILER_INLINE_TEMPLATE" /* COMPILER_INLINE_TEMPLATE */, context, inlineTemplateProp.loc)) {
              const loc = getSelection(context, element.loc.end);
              inlineTemplateProp.value = {
                  type: 2 /* TEXT */,
                  content: loc.source,
                  loc
              };
          }
      }
      element.children = children;
      // End tag.
      if (startsWithEndTagOpen(context.source, element.tag)) {
          parseTag(context, 1 /* End */, parent);
      }
      else {
          emitError(context, 24 /* X_MISSING_END_TAG */, 0, element.loc.start);
          if (context.source.length === 0 && element.tag.toLowerCase() === 'script') {
              const first = children[0];
              if (first && startsWith(first.loc.source, '<!--')) {
                  emitError(context, 8 /* EOF_IN_SCRIPT_HTML_COMMENT_LIKE_TEXT */);
              }
          }
      }
      element.loc = getSelection(context, element.loc.start);
      if (isPreBoundary) {
          context.inPre = false;
      }
      if (isVPreBoundary) {
          context.inVPre = false;
      }
      return element;
  }
  const isSpecialTemplateDirective = /*#__PURE__*/ makeMap(`if,else,else-if,for,slot`);
  function parseTag(context, type, parent) {
      // Tag open.
      const start = getCursor(context);
      const match = /^<\/?([a-z][^\t\r\n\f />]*)/i.exec(context.source);
      const tag = match[1];
      const ns = context.options.getNamespace(tag, parent);
      advanceBy(context, match[0].length);
      advanceSpaces(context);
      // save current state in case we need to re-parse attributes with v-pre
      const cursor = getCursor(context);
      const currentSource = context.source;
      // check <pre> tag
      if (context.options.isPreTag(tag)) {
          context.inPre = true;
      }
      // Attributes.
      let props = parseAttributes(context, type);
      // check v-pre
      if (type === 0 /* Start */ &&
          !context.inVPre &&
          props.some(p => p.type === 7 /* DIRECTIVE */ && p.name === 'pre')) {
          context.inVPre = true;
          // reset context
          extend(context, cursor);
          context.source = currentSource;
          // re-parse attrs and filter out v-pre itself
          props = parseAttributes(context, type).filter(p => p.name !== 'v-pre');
      }
      // Tag close.
      let isSelfClosing = false;
      if (context.source.length === 0) {
          emitError(context, 9 /* EOF_IN_TAG */);
      }
      else {
          isSelfClosing = startsWith(context.source, '/>');
          if (type === 1 /* End */ && isSelfClosing) {
              emitError(context, 4 /* END_TAG_WITH_TRAILING_SOLIDUS */);
          }
          advanceBy(context, isSelfClosing ? 2 : 1);
      }
      if (type === 1 /* End */) {
          return;
      }
      // 2.x deprecation checks
      if (isCompatEnabled("COMPILER_V_IF_V_FOR_PRECEDENCE" /* COMPILER_V_IF_V_FOR_PRECEDENCE */, context)) {
          let hasIf = false;
          let hasFor = false;
          for (let i = 0; i < props.length; i++) {
              const p = props[i];
              if (p.type === 7 /* DIRECTIVE */) {
                  if (p.name === 'if') {
                      hasIf = true;
                  }
                  else if (p.name === 'for') {
                      hasFor = true;
                  }
              }
              if (hasIf && hasFor) {
                  warnDeprecation("COMPILER_V_IF_V_FOR_PRECEDENCE" /* COMPILER_V_IF_V_FOR_PRECEDENCE */, context, getSelection(context, start));
                  break;
              }
          }
      }
      let tagType = 0 /* ELEMENT */;
      if (!context.inVPre) {
          if (tag === 'slot') {
              tagType = 2 /* SLOT */;
          }
          else if (tag === 'template') {
              if (props.some(p => p.type === 7 /* DIRECTIVE */ && isSpecialTemplateDirective(p.name))) {
                  tagType = 3 /* TEMPLATE */;
              }
          }
          else if (isComponent(tag, props, context)) {
              tagType = 1 /* COMPONENT */;
          }
      }
      return {
          type: 1 /* ELEMENT */,
          ns,
          tag,
          tagType,
          props,
          isSelfClosing,
          children: [],
          loc: getSelection(context, start),
          codegenNode: undefined // to be created during transform phase
      };
  }
  function isComponent(tag, props, context) {
      const options = context.options;
      if (options.isCustomElement(tag)) {
          return false;
      }
      if (tag === 'component' ||
          /^[A-Z]/.test(tag) ||
          isCoreComponent(tag) ||
          (options.isBuiltInComponent && options.isBuiltInComponent(tag)) ||
          (options.isNativeTag && !options.isNativeTag(tag))) {
          return true;
      }
      // at this point the tag should be a native tag, but check for potential "is"
      // casting
      for (let i = 0; i < props.length; i++) {
          const p = props[i];
          if (p.type === 6 /* ATTRIBUTE */) {
              if (p.name === 'is' && p.value) {
                  if (p.value.content.startsWith('vue:')) {
                      return true;
                  }
                  else if (checkCompatEnabled("COMPILER_IS_ON_ELEMENT" /* COMPILER_IS_ON_ELEMENT */, context, p.loc)) {
                      return true;
                  }
              }
          }
          else {
              // directive
              // v-is (TODO Deprecate)
              if (p.name === 'is') {
                  return true;
              }
              else if (
              // :is on plain element - only treat as component in compat mode
              p.name === 'bind' &&
                  isStaticArgOf(p.arg, 'is') &&
                  true &&
                  checkCompatEnabled("COMPILER_IS_ON_ELEMENT" /* COMPILER_IS_ON_ELEMENT */, context, p.loc)) {
                  return true;
              }
          }
      }
  }
  function parseAttributes(context, type) {
      const props = [];
      const attributeNames = new Set();
      while (context.source.length > 0 &&
          !startsWith(context.source, '>') &&
          !startsWith(context.source, '/>')) {
          if (startsWith(context.source, '/')) {
              emitError(context, 22 /* UNEXPECTED_SOLIDUS_IN_TAG */);
              advanceBy(context, 1);
              advanceSpaces(context);
              continue;
          }
          if (type === 1 /* End */) {
              emitError(context, 3 /* END_TAG_WITH_ATTRIBUTES */);
          }
          const attr = parseAttribute(context, attributeNames);
          // Trim whitespace between class
          // https://github.com/vuejs/vue-next/issues/4251
          if (attr.type === 6 /* ATTRIBUTE */ &&
              attr.value &&
              attr.name === 'class') {
              attr.value.content = attr.value.content.replace(/\s+/g, ' ').trim();
          }
          if (type === 0 /* Start */) {
              props.push(attr);
          }
          if (/^[^\t\r\n\f />]/.test(context.source)) {
              emitError(context, 15 /* MISSING_WHITESPACE_BETWEEN_ATTRIBUTES */);
          }
          advanceSpaces(context);
      }
      return props;
  }
  function parseAttribute(context, nameSet) {
      // Name.
      const start = getCursor(context);
      const match = /^[^\t\r\n\f />][^\t\r\n\f />=]*/.exec(context.source);
      const name = match[0];
      if (nameSet.has(name)) {
          emitError(context, 2 /* DUPLICATE_ATTRIBUTE */);
      }
      nameSet.add(name);
      if (name[0] === '=') {
          emitError(context, 19 /* UNEXPECTED_EQUALS_SIGN_BEFORE_ATTRIBUTE_NAME */);
      }
      {
          const pattern = /["'<]/g;
          let m;
          while ((m = pattern.exec(name))) {
              emitError(context, 17 /* UNEXPECTED_CHARACTER_IN_ATTRIBUTE_NAME */, m.index);
          }
      }
      advanceBy(context, name.length);
      // Value
      let value = undefined;
      if (/^[\t\r\n\f ]*=/.test(context.source)) {
          advanceSpaces(context);
          advanceBy(context, 1);
          advanceSpaces(context);
          value = parseAttributeValue(context);
          if (!value) {
              emitError(context, 13 /* MISSING_ATTRIBUTE_VALUE */);
          }
      }
      const loc = getSelection(context, start);
      if (!context.inVPre && /^(v-[A-Za-z0-9-]|:|\.|@|#)/.test(name)) {
          const match = /(?:^v-([a-z0-9-]+))?(?:(?::|^\.|^@|^#)(\[[^\]]+\]|[^\.]+))?(.+)?$/i.exec(name);
          let isPropShorthand = startsWith(name, '.');
          let dirName = match[1] ||
              (isPropShorthand || startsWith(name, ':')
                  ? 'bind'
                  : startsWith(name, '@')
                      ? 'on'
                      : 'slot');
          let arg;
          if (match[2]) {
              const isSlot = dirName === 'slot';
              const startOffset = name.lastIndexOf(match[2]);
              const loc = getSelection(context, getNewPosition(context, start, startOffset), getNewPosition(context, start, startOffset + match[2].length + ((isSlot && match[3]) || '').length));
              let content = match[2];
              let isStatic = true;
              if (content.startsWith('[')) {
                  isStatic = false;
                  if (!content.endsWith(']')) {
                      emitError(context, 27 /* X_MISSING_DYNAMIC_DIRECTIVE_ARGUMENT_END */);
                      content = content.slice(1);
                  }
                  else {
                      content = content.slice(1, content.length - 1);
                  }
              }
              else if (isSlot) {
                  // #1241 special case for v-slot: vuetify relies extensively on slot
                  // names containing dots. v-slot doesn't have any modifiers and Vue 2.x
                  // supports such usage so we are keeping it consistent with 2.x.
                  content += match[3] || '';
              }
              arg = {
                  type: 4 /* SIMPLE_EXPRESSION */,
                  content,
                  isStatic,
                  constType: isStatic
                      ? 3 /* CAN_STRINGIFY */
                      : 0 /* NOT_CONSTANT */,
                  loc
              };
          }
          if (value && value.isQuoted) {
              const valueLoc = value.loc;
              valueLoc.start.offset++;
              valueLoc.start.column++;
              valueLoc.end = advancePositionWithClone(valueLoc.start, value.content);
              valueLoc.source = valueLoc.source.slice(1, -1);
          }
          const modifiers = match[3] ? match[3].slice(1).split('.') : [];
          if (isPropShorthand)
              modifiers.push('prop');
          // 2.x compat v-bind:foo.sync -> v-model:foo
          if (dirName === 'bind' && arg) {
              if (modifiers.includes('sync') &&
                  checkCompatEnabled("COMPILER_V_BIND_SYNC" /* COMPILER_V_BIND_SYNC */, context, loc, arg.loc.source)) {
                  dirName = 'model';
                  modifiers.splice(modifiers.indexOf('sync'), 1);
              }
              if (modifiers.includes('prop')) {
                  checkCompatEnabled("COMPILER_V_BIND_PROP" /* COMPILER_V_BIND_PROP */, context, loc);
              }
          }
          return {
              type: 7 /* DIRECTIVE */,
              name: dirName,
              exp: value && {
                  type: 4 /* SIMPLE_EXPRESSION */,
                  content: value.content,
                  isStatic: false,
                  // Treat as non-constant by default. This can be potentially set to
                  // other values by `transformExpression` to make it eligible for hoisting.
                  constType: 0 /* NOT_CONSTANT */,
                  loc: value.loc
              },
              arg,
              modifiers,
              loc
          };
      }
      // missing directive name or illegal directive name
      if (!context.inVPre && startsWith(name, 'v-')) {
          emitError(context, 26 /* X_MISSING_DIRECTIVE_NAME */);
      }
      return {
          type: 6 /* ATTRIBUTE */,
          name,
          value: value && {
              type: 2 /* TEXT */,
              content: value.content,
              loc: value.loc
          },
          loc
      };
  }
  function parseAttributeValue(context) {
      const start = getCursor(context);
      let content;
      const quote = context.source[0];
      const isQuoted = quote === `"` || quote === `'`;
      if (isQuoted) {
          // Quoted value.
          advanceBy(context, 1);
          const endIndex = context.source.indexOf(quote);
          if (endIndex === -1) {
              content = parseTextData(context, context.source.length, 4 /* ATTRIBUTE_VALUE */);
          }
          else {
              content = parseTextData(context, endIndex, 4 /* ATTRIBUTE_VALUE */);
              advanceBy(context, 1);
          }
      }
      else {
          // Unquoted
          const match = /^[^\t\r\n\f >]+/.exec(context.source);
          if (!match) {
              return undefined;
          }
          const unexpectedChars = /["'<=`]/g;
          let m;
          while ((m = unexpectedChars.exec(match[0]))) {
              emitError(context, 18 /* UNEXPECTED_CHARACTER_IN_UNQUOTED_ATTRIBUTE_VALUE */, m.index);
          }
          content = parseTextData(context, match[0].length, 4 /* ATTRIBUTE_VALUE */);
      }
      return { content, isQuoted, loc: getSelection(context, start) };
  }
  function parseInterpolation(context, mode) {
      const [open, close] = context.options.delimiters;
      const closeIndex = context.source.indexOf(close, open.length);
      if (closeIndex === -1) {
          emitError(context, 25 /* X_MISSING_INTERPOLATION_END */);
          return undefined;
      }
      const start = getCursor(context);
      advanceBy(context, open.length);
      const innerStart = getCursor(context);
      const innerEnd = getCursor(context);
      const rawContentLength = closeIndex - open.length;
      const rawContent = context.source.slice(0, rawContentLength);
      const preTrimContent = parseTextData(context, rawContentLength, mode);
      const content = preTrimContent.trim();
      const startOffset = preTrimContent.indexOf(content);
      if (startOffset > 0) {
          advancePositionWithMutation(innerStart, rawContent, startOffset);
      }
      const endOffset = rawContentLength - (preTrimContent.length - content.length - startOffset);
      advancePositionWithMutation(innerEnd, rawContent, endOffset);
      advanceBy(context, close.length);
      return {
          type: 5 /* INTERPOLATION */,
          content: {
              type: 4 /* SIMPLE_EXPRESSION */,
              isStatic: false,
              // Set `isConstant` to false by default and will decide in transformExpression
              constType: 0 /* NOT_CONSTANT */,
              content,
              loc: getSelection(context, innerStart, innerEnd)
          },
          loc: getSelection(context, start)
      };
  }
  function parseText(context, mode) {
      const endTokens = mode === 3 /* CDATA */ ? [']]>'] : ['<', context.options.delimiters[0]];
      let endIndex = context.source.length;
      for (let i = 0; i < endTokens.length; i++) {
          const index = context.source.indexOf(endTokens[i], 1);
          if (index !== -1 && endIndex > index) {
              endIndex = index;
          }
      }
      const start = getCursor(context);
      const content = parseTextData(context, endIndex, mode);
      return {
          type: 2 /* TEXT */,
          content,
          loc: getSelection(context, start)
      };
  }
  /**
   * Get text data with a given length from the current location.
   * This translates HTML entities in the text data.
   */
  function parseTextData(context, length, mode) {
      const rawText = context.source.slice(0, length);
      advanceBy(context, length);
      if (mode === 2 /* RAWTEXT */ ||
          mode === 3 /* CDATA */ ||
          rawText.indexOf('&') === -1) {
          return rawText;
      }
      else {
          // DATA or RCDATA containing "&"". Entity decoding required.
          return context.options.decodeEntities(rawText, mode === 4 /* ATTRIBUTE_VALUE */);
      }
  }
  function getCursor(context) {
      const { column, line, offset } = context;
      return { column, line, offset };
  }
  function getSelection(context, start, end) {
      end = end || getCursor(context);
      return {
          start,
          end,
          source: context.originalSource.slice(start.offset, end.offset)
      };
  }
  function last(xs) {
      return xs[xs.length - 1];
  }
  function startsWith(source, searchString) {
      return source.startsWith(searchString);
  }
  function advanceBy(context, numberOfCharacters) {
      const { source } = context;
      advancePositionWithMutation(context, source, numberOfCharacters);
      context.source = source.slice(numberOfCharacters);
  }
  function advanceSpaces(context) {
      const match = /^[\t\r\n\f ]+/.exec(context.source);
      if (match) {
          advanceBy(context, match[0].length);
      }
  }
  function getNewPosition(context, start, numberOfCharacters) {
      return advancePositionWithClone(start, context.originalSource.slice(start.offset, numberOfCharacters), numberOfCharacters);
  }
  function emitError(context, code, offset, loc = getCursor(context)) {
      if (offset) {
          loc.offset += offset;
          loc.column += offset;
      }
      context.options.onError(createCompilerError(code, {
          start: loc,
          end: loc,
          source: ''
      }));
  }
  function isEnd(context, mode, ancestors) {
      const s = context.source;
      switch (mode) {
          case 0 /* DATA */:
              if (startsWith(s, '</')) {
                  // TODO: probably bad performance
                  for (let i = ancestors.length - 1; i >= 0; --i) {
                      if (startsWithEndTagOpen(s, ancestors[i].tag)) {
                          return true;
                      }
                  }
              }
              break;
          case 1 /* RCDATA */:
          case 2 /* RAWTEXT */: {
              const parent = last(ancestors);
              if (parent && startsWithEndTagOpen(s, parent.tag)) {
                  return true;
              }
              break;
          }
          case 3 /* CDATA */:
              if (startsWith(s, ']]>')) {
                  return true;
              }
              break;
      }
      return !s;
  }
  function startsWithEndTagOpen(source, tag) {
      return (startsWith(source, '</') &&
          source.slice(2, 2 + tag.length).toLowerCase() === tag.toLowerCase() &&
          /[\t\r\n\f />]/.test(source[2 + tag.length] || '>'));
  }
  
  function hoistStatic(root, context) {
      walk(root, context, 
      // Root node is unfortunately non-hoistable due to potential parent
      // fallthrough attributes.
      isSingleElementRoot(root, root.children[0]));
  }
  function isSingleElementRoot(root, child) {
      const { children } = root;
      return (children.length === 1 &&
          child.type === 1 /* ELEMENT */ &&
          !isSlotOutlet(child));
  }
  function walk(node, context, doNotHoistNode = false) {
      const { children } = node;
      const originalCount = children.length;
      let hoistedCount = 0;
      for (let i = 0; i < children.length; i++) {
          const child = children[i];
          // only plain elements & text calls are eligible for hoisting.
          if (child.type === 1 /* ELEMENT */ &&
              child.tagType === 0 /* ELEMENT */) {
              const constantType = doNotHoistNode
                  ? 0 /* NOT_CONSTANT */
                  : getConstantType(child, context);
              if (constantType > 0 /* NOT_CONSTANT */) {
                  if (constantType >= 2 /* CAN_HOIST */) {
                      child.codegenNode.patchFlag =
                          -1 /* HOISTED */ + (` /* HOISTED */` );
                      child.codegenNode = context.hoist(child.codegenNode);
                      hoistedCount++;
                      continue;
                  }
              }
              else {
                  // node may contain dynamic children, but its props may be eligible for
                  // hoisting.
                  const codegenNode = child.codegenNode;
                  if (codegenNode.type === 13 /* VNODE_CALL */) {
                      const flag = getPatchFlag(codegenNode);
                      if ((!flag ||
                          flag === 512 /* NEED_PATCH */ ||
                          flag === 1 /* TEXT */) &&
                          getGeneratedPropsConstantType(child, context) >=
                              2 /* CAN_HOIST */) {
                          const props = getNodeProps(child);
                          if (props) {
                              codegenNode.props = context.hoist(props);
                          }
                      }
                      if (codegenNode.dynamicProps) {
                          codegenNode.dynamicProps = context.hoist(codegenNode.dynamicProps);
                      }
                  }
              }
          }
          else if (child.type === 12 /* TEXT_CALL */ &&
              getConstantType(child.content, context) >= 2 /* CAN_HOIST */) {
              child.codegenNode = context.hoist(child.codegenNode);
              hoistedCount++;
          }
          // walk further
          if (child.type === 1 /* ELEMENT */) {
              const isComponent = child.tagType === 1 /* COMPONENT */;
              if (isComponent) {
                  context.scopes.vSlot++;
              }
              walk(child, context);
              if (isComponent) {
                  context.scopes.vSlot--;
              }
          }
          else if (child.type === 11 /* FOR */) {
              // Do not hoist v-for single child because it has to be a block
              walk(child, context, child.children.length === 1);
          }
          else if (child.type === 9 /* IF */) {
              for (let i = 0; i < child.branches.length; i++) {
                  // Do not hoist v-if single child because it has to be a block
                  walk(child.branches[i], context, child.branches[i].children.length === 1);
              }
          }
      }
      if (hoistedCount && context.transformHoist) {
          context.transformHoist(children, context, node);
      }
      // all children were hoisted - the entire children array is hoistable.
      if (hoistedCount &&
          hoistedCount === originalCount &&
          node.type === 1 /* ELEMENT */ &&
          node.tagType === 0 /* ELEMENT */ &&
          node.codegenNode &&
          node.codegenNode.type === 13 /* VNODE_CALL */ &&
          isArray(node.codegenNode.children)) {
          node.codegenNode.children = context.hoist(createArrayExpression(node.codegenNode.children));
      }
  }
  function getConstantType(node, context) {
      const { constantCache } = context;
      switch (node.type) {
          case 1 /* ELEMENT */:
              if (node.tagType !== 0 /* ELEMENT */) {
                  return 0 /* NOT_CONSTANT */;
              }
              const cached = constantCache.get(node);
              if (cached !== undefined) {
                  return cached;
              }
              const codegenNode = node.codegenNode;
              if (codegenNode.type !== 13 /* VNODE_CALL */) {
                  return 0 /* NOT_CONSTANT */;
              }
              if (codegenNode.isBlock &&
                  node.tag !== 'svg' &&
                  node.tag !== 'foreignObject') {
                  return 0 /* NOT_CONSTANT */;
              }
              const flag = getPatchFlag(codegenNode);
              if (!flag) {
                  let returnType = 3 /* CAN_STRINGIFY */;
                  // Element itself has no patch flag. However we still need to check:
                  // 1. Even for a node with no patch flag, it is possible for it to contain
                  // non-hoistable expressions that refers to scope variables, e.g. compiler
                  // injected keys or cached event handlers. Therefore we need to always
                  // check the codegenNode's props to be sure.
                  const generatedPropsType = getGeneratedPropsConstantType(node, context);
                  if (generatedPropsType === 0 /* NOT_CONSTANT */) {
                      constantCache.set(node, 0 /* NOT_CONSTANT */);
                      return 0 /* NOT_CONSTANT */;
                  }
                  if (generatedPropsType < returnType) {
                      returnType = generatedPropsType;
                  }
                  // 2. its children.
                  for (let i = 0; i < node.children.length; i++) {
                      const childType = getConstantType(node.children[i], context);
                      if (childType === 0 /* NOT_CONSTANT */) {
                          constantCache.set(node, 0 /* NOT_CONSTANT */);
                          return 0 /* NOT_CONSTANT */;
                      }
                      if (childType < returnType) {
                          returnType = childType;
                      }
                  }
                  // 3. if the type is not already CAN_SKIP_PATCH which is the lowest non-0
                  // type, check if any of the props can cause the type to be lowered
                  // we can skip can_patch because it's guaranteed by the absence of a
                  // patchFlag.
                  if (returnType > 1 /* CAN_SKIP_PATCH */) {
                      for (let i = 0; i < node.props.length; i++) {
                          const p = node.props[i];
                          if (p.type === 7 /* DIRECTIVE */ && p.name === 'bind' && p.exp) {
                              const expType = getConstantType(p.exp, context);
                              if (expType === 0 /* NOT_CONSTANT */) {
                                  constantCache.set(node, 0 /* NOT_CONSTANT */);
                                  return 0 /* NOT_CONSTANT */;
                              }
                              if (expType < returnType) {
                                  returnType = expType;
                              }
                          }
                      }
                  }
                  // only svg/foreignObject could be block here, however if they are
                  // static then they don't need to be blocks since there will be no
                  // nested updates.
                  if (codegenNode.isBlock) {
                      context.removeHelper(OPEN_BLOCK);
                      context.removeHelper(getVNodeBlockHelper(context.inSSR, codegenNode.isComponent));
                      codegenNode.isBlock = false;
                      context.helper(getVNodeHelper(context.inSSR, codegenNode.isComponent));
                  }
                  constantCache.set(node, returnType);
                  return returnType;
              }
              else {
                  constantCache.set(node, 0 /* NOT_CONSTANT */);
                  return 0 /* NOT_CONSTANT */;
              }
          case 2 /* TEXT */:
          case 3 /* COMMENT */:
              return 3 /* CAN_STRINGIFY */;
          case 9 /* IF */:
          case 11 /* FOR */:
          case 10 /* IF_BRANCH */:
              return 0 /* NOT_CONSTANT */;
          case 5 /* INTERPOLATION */:
          case 12 /* TEXT_CALL */:
              return getConstantType(node.content, context);
          case 4 /* SIMPLE_EXPRESSION */:
              return node.constType;
          case 8 /* COMPOUND_EXPRESSION */:
              let returnType = 3 /* CAN_STRINGIFY */;
              for (let i = 0; i < node.children.length; i++) {
                  const child = node.children[i];
                  if (isString(child) || isSymbol(child)) {
                      continue;
                  }
                  const childType = getConstantType(child, context);
                  if (childType === 0 /* NOT_CONSTANT */) {
                      return 0 /* NOT_CONSTANT */;
                  }
                  else if (childType < returnType) {
                      returnType = childType;
                  }
              }
              return returnType;
          default:
              return 0 /* NOT_CONSTANT */;
      }
  }
  const allowHoistedHelperSet = new Set([
      NORMALIZE_CLASS,
      NORMALIZE_STYLE,
      NORMALIZE_PROPS,
      GUARD_REACTIVE_PROPS
  ]);
  function getConstantTypeOfHelperCall(value, context) {
      if (value.type === 14 /* JS_CALL_EXPRESSION */ &&
          !isString(value.callee) &&
          allowHoistedHelperSet.has(value.callee)) {
          const arg = value.arguments[0];
          if (arg.type === 4 /* SIMPLE_EXPRESSION */) {
              return getConstantType(arg, context);
          }
          else if (arg.type === 14 /* JS_CALL_EXPRESSION */) {
              // in the case of nested helper call, e.g. `normalizeProps(guardReactiveProps(exp))`
              return getConstantTypeOfHelperCall(arg, context);
          }
      }
      return 0 /* NOT_CONSTANT */;
  }
  function getGeneratedPropsConstantType(node, context) {
      let returnType = 3 /* CAN_STRINGIFY */;
      const props = getNodeProps(node);
      if (props && props.type === 15 /* JS_OBJECT_EXPRESSION */) {
          const { properties } = props;
          for (let i = 0; i < properties.length; i++) {
              const { key, value } = properties[i];
              const keyType = getConstantType(key, context);
              if (keyType === 0 /* NOT_CONSTANT */) {
                  return keyType;
              }
              if (keyType < returnType) {
                  returnType = keyType;
              }
              let valueType;
              if (value.type === 4 /* SIMPLE_EXPRESSION */) {
                  valueType = getConstantType(value, context);
              }
              else if (value.type === 14 /* JS_CALL_EXPRESSION */) {
                  // some helper calls can be hoisted,
                  // such as the `normalizeProps` generated by the compiler for pre-normalize class,
                  // in this case we need to respect the ConstantType of the helper's arguments
                  valueType = getConstantTypeOfHelperCall(value, context);
              }
              else {
                  valueType = 0 /* NOT_CONSTANT */;
              }
              if (valueType === 0 /* NOT_CONSTANT */) {
                  return valueType;
              }
              if (valueType < returnType) {
                  returnType = valueType;
              }
          }
      }
      return returnType;
  }
  function getNodeProps(node) {
      const codegenNode = node.codegenNode;
      if (codegenNode.type === 13 /* VNODE_CALL */) {
          return codegenNode.props;
      }
  }
  function getPatchFlag(node) {
      const flag = node.patchFlag;
      return flag ? parseInt(flag, 10) : undefined;
  }
  
  function createTransformContext(root, { filename = '', prefixIdentifiers = false, hoistStatic = false, cacheHandlers = false, nodeTransforms = [], directiveTransforms = {}, transformHoist = null, isBuiltInComponent = NOOP, isCustomElement = NOOP, expressionPlugins = [], scopeId = null, slotted = true, ssr = false, inSSR = false, ssrCssVars = ``, bindingMetadata = EMPTY_OBJ, inline = false, isTS = false, onError = defaultOnError, onWarn = defaultOnWarn, compatConfig }) {
      const nameMatch = filename.replace(/\?.*$/, '').match(/([^/\\]+)\.\w+$/);
      const context = {
          // options
          selfName: nameMatch && capitalize(camelize$1(nameMatch[1])),
          prefixIdentifiers,
          hoistStatic,
          cacheHandlers,
          nodeTransforms,
          directiveTransforms,
          transformHoist,
          isBuiltInComponent,
          isCustomElement,
          expressionPlugins,
          scopeId,
          slotted,
          ssr,
          inSSR,
          ssrCssVars,
          bindingMetadata,
          inline,
          isTS,
          onError,
          onWarn,
          compatConfig,
          // state
          root,
          helpers: new Map(),
          components: new Set(),
          directives: new Set(),
          hoists: [],
          imports: [],
          constantCache: new Map(),
          temps: 0,
          cached: 0,
          identifiers: Object.create(null),
          scopes: {
              vFor: 0,
              vSlot: 0,
              vPre: 0,
              vOnce: 0
          },
          parent: null,
          currentNode: root,
          childIndex: 0,
          inVOnce: false,
          // methods
          helper(name) {
              const count = context.helpers.get(name) || 0;
              context.helpers.set(name, count + 1);
              return name;
          },
          removeHelper(name) {
              const count = context.helpers.get(name);
              if (count) {
                  const currentCount = count - 1;
                  if (!currentCount) {
                      context.helpers.delete(name);
                  }
                  else {
                      context.helpers.set(name, currentCount);
                  }
              }
          },
          helperString(name) {
              return `_${helperNameMap[context.helper(name)]}`;
          },
          replaceNode(node) {
              /* istanbul ignore if */
              {
                  if (!context.currentNode) {
                      throw new Error(`Node being replaced is already removed.`);
                  }
                  if (!context.parent) {
                      throw new Error(`Cannot replace root node.`);
                  }
              }
              context.parent.children[context.childIndex] = context.currentNode = node;
          },
          removeNode(node) {
              if (!context.parent) {
                  throw new Error(`Cannot remove root node.`);
              }
              const list = context.parent.children;
              const removalIndex = node
                  ? list.indexOf(node)
                  : context.currentNode
                      ? context.childIndex
                      : -1;
              /* istanbul ignore if */
              if (removalIndex < 0) {
                  throw new Error(`node being removed is not a child of current parent`);
              }
              if (!node || node === context.currentNode) {
                  // current node removed
                  context.currentNode = null;
                  context.onNodeRemoved();
              }
              else {
                  // sibling node removed
                  if (context.childIndex > removalIndex) {
                      context.childIndex--;
                      context.onNodeRemoved();
                  }
              }
              context.parent.children.splice(removalIndex, 1);
          },
          onNodeRemoved: () => { },
          addIdentifiers(exp) {
          },
          removeIdentifiers(exp) {
          },
          hoist(exp) {
              if (isString(exp))
                  exp = createSimpleExpression(exp);
              context.hoists.push(exp);
              const identifier = createSimpleExpression(`_hoisted_${context.hoists.length}`, false, exp.loc, 2 /* CAN_HOIST */);
              identifier.hoisted = exp;
              return identifier;
          },
          cache(exp, isVNode = false) {
              return createCacheExpression(context.cached++, exp, isVNode);
          }
      };
      {
          context.filters = new Set();
      }
      return context;
  }
  function transform(root, options) {
      const context = createTransformContext(root, options);
      traverseNode(root, context);
      if (options.hoistStatic) {
          hoistStatic(root, context);
      }
      if (!options.ssr) {
          createRootCodegen(root, context);
      }
      // finalize meta information
      root.helpers = [...context.helpers.keys()];
      root.components = [...context.components];
      root.directives = [...context.directives];
      root.imports = context.imports;
      root.hoists = context.hoists;
      root.temps = context.temps;
      root.cached = context.cached;
      {
          root.filters = [...context.filters];
      }
  }
  function createRootCodegen(root, context) {
      const { helper } = context;
      const { children } = root;
      if (children.length === 1) {
          const child = children[0];
          // if the single child is an element, turn it into a block.
          if (isSingleElementRoot(root, child) && child.codegenNode) {
              // single element root is never hoisted so codegenNode will never be
              // SimpleExpressionNode
              const codegenNode = child.codegenNode;
              if (codegenNode.type === 13 /* VNODE_CALL */) {
                  makeBlock(codegenNode, context);
              }
              root.codegenNode = codegenNode;
          }
          else {
              // - single <slot/>, IfNode, ForNode: already blocks.
              // - single text node: always patched.
              // root codegen falls through via genNode()
              root.codegenNode = child;
          }
      }
      else if (children.length > 1) {
          // root has multiple nodes - return a fragment block.
          let patchFlag = 64 /* STABLE_FRAGMENT */;
          let patchFlagText = PatchFlagNames[64 /* STABLE_FRAGMENT */];
          // check if the fragment actually contains a single valid child with
          // the rest being comments
          if (children.filter(c => c.type !== 3 /* COMMENT */).length === 1) {
              patchFlag |= 2048 /* DEV_ROOT_FRAGMENT */;
              patchFlagText += `, ${PatchFlagNames[2048 /* DEV_ROOT_FRAGMENT */]}`;
          }
          root.codegenNode = createVNodeCall(context, helper(FRAGMENT), undefined, root.children, patchFlag + (` /* ${patchFlagText} */` ), undefined, undefined, true, undefined, false /* isComponent */);
      }
      else ;
  }
  function traverseChildren(parent, context) {
      let i = 0;
      const nodeRemoved = () => {
          i--;
      };
      for (; i < parent.children.length; i++) {
          const child = parent.children[i];
          if (isString(child))
              continue;
          context.parent = parent;
          context.childIndex = i;
          context.onNodeRemoved = nodeRemoved;
          traverseNode(child, context);
      }
  }
  function traverseNode(node, context) {
      context.currentNode = node;
      // apply transform plugins
      const { nodeTransforms } = context;
      const exitFns = [];
      for (let i = 0; i < nodeTransforms.length; i++) {
          const onExit = nodeTransforms[i](node, context);
          if (onExit) {
              if (isArray(onExit)) {
                  exitFns.push(...onExit);
              }
              else {
                  exitFns.push(onExit);
              }
          }
          if (!context.currentNode) {
              // node was removed
              return;
          }
          else {
              // node may have been replaced
              node = context.currentNode;
          }
      }
      switch (node.type) {
          case 3 /* COMMENT */:
              if (!context.ssr) {
                  // inject import for the Comment symbol, which is needed for creating
                  // comment nodes with `createVNode`
                  context.helper(CREATE_COMMENT);
              }
              break;
          case 5 /* INTERPOLATION */:
              // no need to traverse, but we need to inject toString helper
              if (!context.ssr) {
                  context.helper(TO_DISPLAY_STRING);
              }
              break;
          // for container types, further traverse downwards
          case 9 /* IF */:
              for (let i = 0; i < node.branches.length; i++) {
                  traverseNode(node.branches[i], context);
              }
              break;
          case 10 /* IF_BRANCH */:
          case 11 /* FOR */:
          case 1 /* ELEMENT */:
          case 0 /* ROOT */:
              traverseChildren(node, context);
              break;
      }
      // exit transforms
      context.currentNode = node;
      let i = exitFns.length;
      while (i--) {
          exitFns[i]();
      }
  }
  function createStructuralDirectiveTransform(name, fn) {
      const matches = isString(name)
          ? (n) => n === name
          : (n) => name.test(n);
      return (node, context) => {
          if (node.type === 1 /* ELEMENT */) {
              const { props } = node;
              // structural directive transforms are not concerned with slots
              // as they are handled separately in vSlot.ts
              if (node.tagType === 3 /* TEMPLATE */ && props.some(isVSlot)) {
                  return;
              }
              const exitFns = [];
              for (let i = 0; i < props.length; i++) {
                  const prop = props[i];
                  if (prop.type === 7 /* DIRECTIVE */ && matches(prop.name)) {
                      // structural directives are removed to avoid infinite recursion
                      // also we remove them *before* applying so that it can further
                      // traverse itself in case it moves the node around
                      props.splice(i, 1);
                      i--;
                      const onExit = fn(node, prop, context);
                      if (onExit)
                          exitFns.push(onExit);
                  }
              }
              return exitFns;
          }
      };
  }
  
  const PURE_ANNOTATION = `/*#__PURE__*/`;
  function createCodegenContext(ast, { mode = 'function', prefixIdentifiers = mode === 'module', sourceMap = false, filename = `template.vue.html`, scopeId = null, optimizeImports = false, runtimeGlobalName = `Vue`, runtimeModuleName = `vue`, ssrRuntimeModuleName = 'vue/server-renderer', ssr = false, isTS = false, inSSR = false }) {
      const context = {
          mode,
          prefixIdentifiers,
          sourceMap,
          filename,
          scopeId,
          optimizeImports,
          runtimeGlobalName,
          runtimeModuleName,
          ssrRuntimeModuleName,
          ssr,
          isTS,
          inSSR,
          source: ast.loc.source,
          code: ``,
          column: 1,
          line: 1,
          offset: 0,
          indentLevel: 0,
          pure: false,
          map: undefined,
          helper(key) {
              return `_${helperNameMap[key]}`;
          },
          push(code, node) {
              context.code += code;
          },
          indent() {
              newline(++context.indentLevel);
          },
          deindent(withoutNewLine = false) {
              if (withoutNewLine) {
                  --context.indentLevel;
              }
              else {
                  newline(--context.indentLevel);
              }
          },
          newline() {
              newline(context.indentLevel);
          }
      };
      function newline(n) {
          context.push('\n' + `  `.repeat(n));
      }
      return context;
  }
  function generate(ast, options = {}) {
      const context = createCodegenContext(ast, options);
      if (options.onContextCreated)
          options.onContextCreated(context);
      const { mode, push, prefixIdentifiers, indent, deindent, newline, scopeId, ssr } = context;
      const hasHelpers = ast.helpers.length > 0;
      const useWithBlock = !prefixIdentifiers && mode !== 'module';
      // preambles
      // in setup() inline mode, the preamble is generated in a sub context
      // and returned separately.
      const preambleContext = context;
      {
          genFunctionPreamble(ast, preambleContext);
      }
      // enter render function
      const functionName = ssr ? `ssrRender` : `render`;
      const args = ssr ? ['_ctx', '_push', '_parent', '_attrs'] : ['_ctx', '_cache'];
      const signature = args.join(', ');
      {
          push(`function ${functionName}(${signature}) {`);
      }
      indent();
      if (useWithBlock) {
          push(`with (_ctx) {`);
          indent();
          // function mode const declarations should be inside with block
          // also they should be renamed to avoid collision with user properties
          if (hasHelpers) {
              push(`const { ${ast.helpers
                  .map(s => `${helperNameMap[s]}: _${helperNameMap[s]}`)
                  .join(', ')} } = _Vue`);
              push(`\n`);
              newline();
          }
      }
      // generate asset resolution statements
      if (ast.components.length) {
          genAssets(ast.components, 'component', context);
          if (ast.directives.length || ast.temps > 0) {
              newline();
          }
      }
      if (ast.directives.length) {
          genAssets(ast.directives, 'directive', context);
          if (ast.temps > 0) {
              newline();
          }
      }
      if (ast.filters && ast.filters.length) {
          newline();
          genAssets(ast.filters, 'filter', context);
          newline();
      }
      if (ast.temps > 0) {
          push(`let `);
          for (let i = 0; i < ast.temps; i++) {
              push(`${i > 0 ? `, ` : ``}_temp${i}`);
          }
      }
      if (ast.components.length || ast.directives.length || ast.temps) {
          push(`\n`);
          newline();
      }
      // generate the VNode tree expression
      if (!ssr) {
          push(`return `);
      }
      if (ast.codegenNode) {
          genNode(ast.codegenNode, context);
      }
      else {
          push(`null`);
      }
      if (useWithBlock) {
          deindent();
          push(`}`);
      }
      deindent();
      push(`}`);
      return {
          ast,
          code: context.code,
          preamble: ``,
          // SourceMapGenerator does have toJSON() method but it's not in the types
          map: context.map ? context.map.toJSON() : undefined
      };
  }
  function genFunctionPreamble(ast, context) {
      const { ssr, prefixIdentifiers, push, newline, runtimeModuleName, runtimeGlobalName, ssrRuntimeModuleName } = context;
      const VueBinding = runtimeGlobalName;
      const aliasHelper = (s) => `${helperNameMap[s]}: _${helperNameMap[s]}`;
      // Generate const declaration for helpers
      // In prefix mode, we place the const declaration at top so it's done
      // only once; But if we not prefixing, we place the declaration inside the
      // with block so it doesn't incur the `in` check cost for every helper access.
      if (ast.helpers.length > 0) {
          {
              // "with" mode.
              // save Vue in a separate variable to avoid collision
              push(`const _Vue = ${VueBinding}\n`);
              // in "with" mode, helpers are declared inside the with block to avoid
              // has check cost, but hoists are lifted out of the function - we need
              // to provide the helper here.
              if (ast.hoists.length) {
                  const staticHelpers = [
                      CREATE_VNODE,
                      CREATE_ELEMENT_VNODE,
                      CREATE_COMMENT,
                      CREATE_TEXT,
                      CREATE_STATIC
                  ]
                      .filter(helper => ast.helpers.includes(helper))
                      .map(aliasHelper)
                      .join(', ');
                  push(`const { ${staticHelpers} } = _Vue\n`);
              }
          }
      }
      genHoists(ast.hoists, context);
      newline();
      push(`return `);
  }
  function genAssets(assets, type, { helper, push, newline, isTS }) {
      const resolver = helper(type === 'filter'
          ? RESOLVE_FILTER
          : type === 'component'
              ? RESOLVE_COMPONENT
              : RESOLVE_DIRECTIVE);
      for (let i = 0; i < assets.length; i++) {
          let id = assets[i];
          // potential component implicit self-reference inferred from SFC filename
          const maybeSelfReference = id.endsWith('__self');
          if (maybeSelfReference) {
              id = id.slice(0, -6);
          }
          push(`const ${toValidAssetId(id, type)} = ${resolver}(${JSON.stringify(id)}${maybeSelfReference ? `, true` : ``})${isTS ? `!` : ``}`);
          if (i < assets.length - 1) {
              newline();
          }
      }
  }
  function genHoists(hoists, context) {
      if (!hoists.length) {
          return;
      }
      context.pure = true;
      const { push, newline, helper, scopeId, mode } = context;
      newline();
      for (let i = 0; i < hoists.length; i++) {
          const exp = hoists[i];
          if (exp) {
              push(`const _hoisted_${i + 1} = ${``}`);
              genNode(exp, context);
              newline();
          }
      }
      context.pure = false;
  }
  function isText$1(n) {
      return (isString(n) ||
          n.type === 4 /* SIMPLE_EXPRESSION */ ||
          n.type === 2 /* TEXT */ ||
          n.type === 5 /* INTERPOLATION */ ||
          n.type === 8 /* COMPOUND_EXPRESSION */);
  }
  function genNodeListAsArray(nodes, context) {
      const multilines = nodes.length > 3 ||
          (nodes.some(n => isArray(n) || !isText$1(n)));
      context.push(`[`);
      multilines && context.indent();
      genNodeList(nodes, context, multilines);
      multilines && context.deindent();
      context.push(`]`);
  }
  function genNodeList(nodes, context, multilines = false, comma = true) {
      const { push, newline } = context;
      for (let i = 0; i < nodes.length; i++) {
          const node = nodes[i];
          if (isString(node)) {
              push(node);
          }
          else if (isArray(node)) {
              genNodeListAsArray(node, context);
          }
          else {
              genNode(node, context);
          }
          if (i < nodes.length - 1) {
              if (multilines) {
                  comma && push(',');
                  newline();
              }
              else {
                  comma && push(', ');
              }
          }
      }
  }
  function genNode(node, context) {
      if (isString(node)) {
          context.push(node);
          return;
      }
      if (isSymbol(node)) {
          context.push(context.helper(node));
          return;
      }
      switch (node.type) {
          case 1 /* ELEMENT */:
          case 9 /* IF */:
          case 11 /* FOR */:
              assert(node.codegenNode != null, `Codegen node is missing for element/if/for node. ` +
                      `Apply appropriate transforms first.`);
              genNode(node.codegenNode, context);
              break;
          case 2 /* TEXT */:
              genText(node, context);
              break;
          case 4 /* SIMPLE_EXPRESSION */:
              genExpression(node, context);
              break;
          case 5 /* INTERPOLATION */:
              genInterpolation(node, context);
              break;
          case 12 /* TEXT_CALL */:
              genNode(node.codegenNode, context);
              break;
          case 8 /* COMPOUND_EXPRESSION */:
              genCompoundExpression(node, context);
              break;
          case 3 /* COMMENT */:
              genComment(node, context);
              break;
          case 13 /* VNODE_CALL */:
              genVNodeCall(node, context);
              break;
          case 14 /* JS_CALL_EXPRESSION */:
              genCallExpression(node, context);
              break;
          case 15 /* JS_OBJECT_EXPRESSION */:
              genObjectExpression(node, context);
              break;
          case 17 /* JS_ARRAY_EXPRESSION */:
              genArrayExpression(node, context);
              break;
          case 18 /* JS_FUNCTION_EXPRESSION */:
              genFunctionExpression(node, context);
              break;
          case 19 /* JS_CONDITIONAL_EXPRESSION */:
              genConditionalExpression(node, context);
              break;
          case 20 /* JS_CACHE_EXPRESSION */:
              genCacheExpression(node, context);
              break;
          case 21 /* JS_BLOCK_STATEMENT */:
              genNodeList(node.body, context, true, false);
              break;
          // SSR only types
          case 22 /* JS_TEMPLATE_LITERAL */:
              break;
          case 23 /* JS_IF_STATEMENT */:
              break;
          case 24 /* JS_ASSIGNMENT_EXPRESSION */:
              break;
          case 25 /* JS_SEQUENCE_EXPRESSION */:
              break;
          case 26 /* JS_RETURN_STATEMENT */:
              break;
          /* istanbul ignore next */
          case 10 /* IF_BRANCH */:
              // noop
              break;
          default:
              {
                  assert(false, `unhandled codegen node type: ${node.type}`);
                  // make sure we exhaust all possible types
                  const exhaustiveCheck = node;
                  return exhaustiveCheck;
              }
      }
  }
  function genText(node, context) {
      context.push(JSON.stringify(node.content), node);
  }
  function genExpression(node, context) {
      const { content, isStatic } = node;
      context.push(isStatic ? JSON.stringify(content) : content, node);
  }
  function genInterpolation(node, context) {
      const { push, helper, pure } = context;
      if (pure)
          push(PURE_ANNOTATION);
      push(`${helper(TO_DISPLAY_STRING)}(`);
      genNode(node.content, context);
      push(`)`);
  }
  function genCompoundExpression(node, context) {
      for (let i = 0; i < node.children.length; i++) {
          const child = node.children[i];
          if (isString(child)) {
              context.push(child);
          }
          else {
              genNode(child, context);
          }
      }
  }
  function genExpressionAsPropertyKey(node, context) {
      const { push } = context;
      if (node.type === 8 /* COMPOUND_EXPRESSION */) {
          push(`[`);
          genCompoundExpression(node, context);
          push(`]`);
      }
      else if (node.isStatic) {
          // only quote keys if necessary
          const text = isSimpleIdentifier(node.content)
              ? node.content
              : JSON.stringify(node.content);
          push(text, node);
      }
      else {
          push(`[${node.content}]`, node);
      }
  }
  function genComment(node, context) {
      const { push, helper, pure } = context;
      if (pure) {
          push(PURE_ANNOTATION);
      }
      push(`${helper(CREATE_COMMENT)}(${JSON.stringify(node.content)})`, node);
  }
  function genVNodeCall(node, context) {
      const { push, helper, pure } = context;
      const { tag, props, children, patchFlag, dynamicProps, directives, isBlock, disableTracking, isComponent } = node;
      if (directives) {
          push(helper(WITH_DIRECTIVES) + `(`);
      }
      if (isBlock) {
          push(`(${helper(OPEN_BLOCK)}(${disableTracking ? `true` : ``}), `);
      }
      if (pure) {
          push(PURE_ANNOTATION);
      }
      const callHelper = isBlock
          ? getVNodeBlockHelper(context.inSSR, isComponent)
          : getVNodeHelper(context.inSSR, isComponent);
      push(helper(callHelper) + `(`, node);
      genNodeList(genNullableArgs([tag, props, children, patchFlag, dynamicProps]), context);
      push(`)`);
      if (isBlock) {
          push(`)`);
      }
      if (directives) {
          push(`, `);
          genNode(directives, context);
          push(`)`);
      }
  }
  function genNullableArgs(args) {
      let i = args.length;
      while (i--) {
          if (args[i] != null)
              break;
      }
      return args.slice(0, i + 1).map(arg => arg || `null`);
  }
  // JavaScript
  function genCallExpression(node, context) {
      const { push, helper, pure } = context;
      const callee = isString(node.callee) ? node.callee : helper(node.callee);
      if (pure) {
          push(PURE_ANNOTATION);
      }
      push(callee + `(`, node);
      genNodeList(node.arguments, context);
      push(`)`);
  }
  function genObjectExpression(node, context) {
      const { push, indent, deindent, newline } = context;
      const { properties } = node;
      if (!properties.length) {
          push(`{}`, node);
          return;
      }
      const multilines = properties.length > 1 ||
          (properties.some(p => p.value.type !== 4 /* SIMPLE_EXPRESSION */));
      push(multilines ? `{` : `{ `);
      multilines && indent();
      for (let i = 0; i < properties.length; i++) {
          const { key, value } = properties[i];
          // key
          genExpressionAsPropertyKey(key, context);
          push(`: `);
          // value
          genNode(value, context);
          if (i < properties.length - 1) {
              // will only reach this if it's multilines
              push(`,`);
              newline();
          }
      }
      multilines && deindent();
      push(multilines ? `}` : ` }`);
  }
  function genArrayExpression(node, context) {
      genNodeListAsArray(node.elements, context);
  }
  function genFunctionExpression(node, context) {
      const { push, indent, deindent } = context;
      const { params, returns, body, newline, isSlot } = node;
      if (isSlot) {
          // wrap slot functions with owner context
          push(`_${helperNameMap[WITH_CTX]}(`);
      }
      push(`(`, node);
      if (isArray(params)) {
          genNodeList(params, context);
      }
      else if (params) {
          genNode(params, context);
      }
      push(`) => `);
      if (newline || body) {
          push(`{`);
          indent();
      }
      if (returns) {
          if (newline) {
              push(`return `);
          }
          if (isArray(returns)) {
              genNodeListAsArray(returns, context);
          }
          else {
              genNode(returns, context);
          }
      }
      else if (body) {
          genNode(body, context);
      }
      if (newline || body) {
          deindent();
          push(`}`);
      }
      if (isSlot) {
          if (node.isNonScopedSlot) {
              push(`, undefined, true`);
          }
          push(`)`);
      }
  }
  function genConditionalExpression(node, context) {
      const { test, consequent, alternate, newline: needNewline } = node;
      const { push, indent, deindent, newline } = context;
      if (test.type === 4 /* SIMPLE_EXPRESSION */) {
          const needsParens = !isSimpleIdentifier(test.content);
          needsParens && push(`(`);
          genExpression(test, context);
          needsParens && push(`)`);
      }
      else {
          push(`(`);
          genNode(test, context);
          push(`)`);
      }
      needNewline && indent();
      context.indentLevel++;
      needNewline || push(` `);
      push(`? `);
      genNode(consequent, context);
      context.indentLevel--;
      needNewline && newline();
      needNewline || push(` `);
      push(`: `);
      const isNested = alternate.type === 19 /* JS_CONDITIONAL_EXPRESSION */;
      if (!isNested) {
          context.indentLevel++;
      }
      genNode(alternate, context);
      if (!isNested) {
          context.indentLevel--;
      }
      needNewline && deindent(true /* without newline */);
  }
  function genCacheExpression(node, context) {
      const { push, helper, indent, deindent, newline } = context;
      push(`_cache[${node.index}] || (`);
      if (node.isVNode) {
          indent();
          push(`${helper(SET_BLOCK_TRACKING)}(-1),`);
          newline();
      }
      push(`_cache[${node.index}] = `);
      genNode(node.value, context);
      if (node.isVNode) {
          push(`,`);
          newline();
          push(`${helper(SET_BLOCK_TRACKING)}(1),`);
          newline();
          push(`_cache[${node.index}]`);
          deindent();
      }
      push(`)`);
  }
  
  // these keywords should not appear inside expressions, but operators like
  // typeof, instanceof and in are allowed
  const prohibitedKeywordRE = new RegExp('\\b' +
      ('do,if,for,let,new,try,var,case,else,with,await,break,catch,class,const,' +
          'super,throw,while,yield,delete,export,import,return,switch,default,' +
          'extends,finally,continue,debugger,function,arguments,typeof,void')
          .split(',')
          .join('\\b|\\b') +
      '\\b');
  // strip strings in expressions
  const stripStringRE = /'(?:[^'\\]|\\.)*'|"(?:[^"\\]|\\.)*"|`(?:[^`\\]|\\.)*\$\{|\}(?:[^`\\]|\\.)*`|`(?:[^`\\]|\\.)*`/g;
  /**
   * Validate a non-prefixed expression.
   * This is only called when using the in-browser runtime compiler since it
   * doesn't prefix expressions.
   */
  function validateBrowserExpression(node, context, asParams = false, asRawStatements = false) {
      const exp = node.content;
      // empty expressions are validated per-directive since some directives
      // do allow empty expressions.
      if (!exp.trim()) {
          return;
      }
      try {
          new Function(asRawStatements
              ? ` ${exp} `
              : `return ${asParams ? `(${exp}) => {}` : `(${exp})`}`);
      }
      catch (e) {
          let message = e.message;
          const keywordMatch = exp
              .replace(stripStringRE, '')
              .match(prohibitedKeywordRE);
          if (keywordMatch) {
              message = `avoid using JavaScript keyword as property name: "${keywordMatch[0]}"`;
          }
          context.onError(createCompilerError(44 /* X_INVALID_EXPRESSION */, node.loc, undefined, message));
      }
  }
  
  const transformExpression = (node, context) => {
      if (node.type === 5 /* INTERPOLATION */) {
          node.content = processExpression(node.content, context);
      }
      else if (node.type === 1 /* ELEMENT */) {
          // handle directives on element
          for (let i = 0; i < node.props.length; i++) {
              const dir = node.props[i];
              // do not process for v-on & v-for since they are special handled
              if (dir.type === 7 /* DIRECTIVE */ && dir.name !== 'for') {
                  const exp = dir.exp;
                  const arg = dir.arg;
                  // do not process exp if this is v-on:arg - we need special handling
                  // for wrapping inline statements.
                  if (exp &&
                      exp.type === 4 /* SIMPLE_EXPRESSION */ &&
                      !(dir.name === 'on' && arg)) {
                      dir.exp = processExpression(exp, context, 
                      // slot args must be processed as function params
                      dir.name === 'slot');
                  }
                  if (arg && arg.type === 4 /* SIMPLE_EXPRESSION */ && !arg.isStatic) {
                      dir.arg = processExpression(arg, context);
                  }
              }
          }
      }
  };
  // Important: since this function uses Node.js only dependencies, it should
  // always be used with a leading !true check so that it can be
  // tree-shaken from the browser build.
  function processExpression(node, context, 
  // some expressions like v-slot props & v-for aliases should be parsed as
  // function params
  asParams = false, 
  // v-on handler values may contain multiple statements
  asRawStatements = false, localVars = Object.create(context.identifiers)) {
      {
          {
              // simple in-browser validation (same logic in 2.x)
              validateBrowserExpression(node, context, asParams, asRawStatements);
          }
          return node;
      }
  }
  
  const transformIf = createStructuralDirectiveTransform(/^(if|else|else-if)$/, (node, dir, context) => {
      return processIf(node, dir, context, (ifNode, branch, isRoot) => {
          // #1587: We need to dynamically increment the key based on the current
          // node's sibling nodes, since chained v-if/else branches are
          // rendered at the same depth
          const siblings = context.parent.children;
          let i = siblings.indexOf(ifNode);
          let key = 0;
          while (i-- >= 0) {
              const sibling = siblings[i];
              if (sibling && sibling.type === 9 /* IF */) {
                  key += sibling.branches.length;
              }
          }
          // Exit callback. Complete the codegenNode when all children have been
          // transformed.
          return () => {
              if (isRoot) {
                  ifNode.codegenNode = createCodegenNodeForBranch(branch, key, context);
              }
              else {
                  // attach this branch's codegen node to the v-if root.
                  const parentCondition = getParentCondition(ifNode.codegenNode);
                  parentCondition.alternate = createCodegenNodeForBranch(branch, key + ifNode.branches.length - 1, context);
              }
          };
      });
  });
  // target-agnostic transform used for both Client and SSR
  function processIf(node, dir, context, processCodegen) {
      if (dir.name !== 'else' &&
          (!dir.exp || !dir.exp.content.trim())) {
          const loc = dir.exp ? dir.exp.loc : node.loc;
          context.onError(createCompilerError(28 /* X_V_IF_NO_EXPRESSION */, dir.loc));
          dir.exp = createSimpleExpression(`true`, false, loc);
      }
      if (dir.exp) {
          validateBrowserExpression(dir.exp, context);
      }
      if (dir.name === 'if') {
          const branch = createIfBranch(node, dir);
          const ifNode = {
              type: 9 /* IF */,
              loc: node.loc,
              branches: [branch]
          };
          context.replaceNode(ifNode);
          if (processCodegen) {
              return processCodegen(ifNode, branch, true);
          }
      }
      else {
          // locate the adjacent v-if
          const siblings = context.parent.children;
          const comments = [];
          let i = siblings.indexOf(node);
          while (i-- >= -1) {
              const sibling = siblings[i];
              if (sibling && sibling.type === 3 /* COMMENT */) {
                  context.removeNode(sibling);
                  comments.unshift(sibling);
                  continue;
              }
              if (sibling &&
                  sibling.type === 2 /* TEXT */ &&
                  !sibling.content.trim().length) {
                  context.removeNode(sibling);
                  continue;
              }
              if (sibling && sibling.type === 9 /* IF */) {
                  // Check if v-else was followed by v-else-if
                  if (dir.name === 'else-if' &&
                      sibling.branches[sibling.branches.length - 1].condition === undefined) {
                      context.onError(createCompilerError(30 /* X_V_ELSE_NO_ADJACENT_IF */, node.loc));
                  }
                  // move the node to the if node's branches
                  context.removeNode();
                  const branch = createIfBranch(node, dir);
                  if (comments.length &&
                      // #3619 ignore comments if the v-if is direct child of <transition>
                      !(context.parent &&
                          context.parent.type === 1 /* ELEMENT */ &&
                          isBuiltInType(context.parent.tag, 'transition'))) {
                      branch.children = [...comments, ...branch.children];
                  }
                  // check if user is forcing same key on different branches
                  {
                      const key = branch.userKey;
                      if (key) {
                          sibling.branches.forEach(({ userKey }) => {
                              if (isSameKey(userKey, key)) {
                                  context.onError(createCompilerError(29 /* X_V_IF_SAME_KEY */, branch.userKey.loc));
                              }
                          });
                      }
                  }
                  sibling.branches.push(branch);
                  const onExit = processCodegen && processCodegen(sibling, branch, false);
                  // since the branch was removed, it will not be traversed.
                  // make sure to traverse here.
                  traverseNode(branch, context);
                  // call on exit
                  if (onExit)
                      onExit();
                  // make sure to reset currentNode after traversal to indicate this
                  // node has been removed.
                  context.currentNode = null;
              }
              else {
                  context.onError(createCompilerError(30 /* X_V_ELSE_NO_ADJACENT_IF */, node.loc));
              }
              break;
          }
      }
  }
  function createIfBranch(node, dir) {
      return {
          type: 10 /* IF_BRANCH */,
          loc: node.loc,
          condition: dir.name === 'else' ? undefined : dir.exp,
          children: node.tagType === 3 /* TEMPLATE */ && !findDir(node, 'for')
              ? node.children
              : [node],
          userKey: findProp(node, `key`)
      };
  }
  function createCodegenNodeForBranch(branch, keyIndex, context) {
      if (branch.condition) {
          return createConditionalExpression(branch.condition, createChildrenCodegenNode(branch, keyIndex, context), 
          // make sure to pass in asBlock: true so that the comment node call
          // closes the current block.
          createCallExpression(context.helper(CREATE_COMMENT), [
              '"v-if"' ,
              'true'
          ]));
      }
      else {
          return createChildrenCodegenNode(branch, keyIndex, context);
      }
  }
  function createChildrenCodegenNode(branch, keyIndex, context) {
      const { helper } = context;
      const keyProperty = createObjectProperty(`key`, createSimpleExpression(`${keyIndex}`, false, locStub, 2 /* CAN_HOIST */));
      const { children } = branch;
      const firstChild = children[0];
      const needFragmentWrapper = children.length !== 1 || firstChild.type !== 1 /* ELEMENT */;
      if (needFragmentWrapper) {
          if (children.length === 1 && firstChild.type === 11 /* FOR */) {
              // optimize away nested fragments when child is a ForNode
              const vnodeCall = firstChild.codegenNode;
              injectProp(vnodeCall, keyProperty, context);
              return vnodeCall;
          }
          else {
              let patchFlag = 64 /* STABLE_FRAGMENT */;
              let patchFlagText = PatchFlagNames[64 /* STABLE_FRAGMENT */];
              // check if the fragment actually contains a single valid child with
              // the rest being comments
              if (children.filter(c => c.type !== 3 /* COMMENT */).length === 1) {
                  patchFlag |= 2048 /* DEV_ROOT_FRAGMENT */;
                  patchFlagText += `, ${PatchFlagNames[2048 /* DEV_ROOT_FRAGMENT */]}`;
              }
              return createVNodeCall(context, helper(FRAGMENT), createObjectExpression([keyProperty]), children, patchFlag + (` /* ${patchFlagText} */` ), undefined, undefined, true, false, false /* isComponent */, branch.loc);
          }
      }
      else {
          const ret = firstChild.codegenNode;
          const vnodeCall = getMemoedVNodeCall(ret);
          // Change createVNode to createBlock.
          if (vnodeCall.type === 13 /* VNODE_CALL */) {
              makeBlock(vnodeCall, context);
          }
          // inject branch key
          injectProp(vnodeCall, keyProperty, context);
          return ret;
      }
  }
  function isSameKey(a, b) {
      if (!a || a.type !== b.type) {
          return false;
      }
      if (a.type === 6 /* ATTRIBUTE */) {
          if (a.value.content !== b.value.content) {
              return false;
          }
      }
      else {
          // directive
          const exp = a.exp;
          const branchExp = b.exp;
          if (exp.type !== branchExp.type) {
              return false;
          }
          if (exp.type !== 4 /* SIMPLE_EXPRESSION */ ||
              exp.isStatic !== branchExp.isStatic ||
              exp.content !== branchExp.content) {
              return false;
          }
      }
      return true;
  }
  function getParentCondition(node) {
      while (true) {
          if (node.type === 19 /* JS_CONDITIONAL_EXPRESSION */) {
              if (node.alternate.type === 19 /* JS_CONDITIONAL_EXPRESSION */) {
                  node = node.alternate;
              }
              else {
                  return node;
              }
          }
          else if (node.type === 20 /* JS_CACHE_EXPRESSION */) {
              node = node.value;
          }
      }
  }
  
  const transformFor = createStructuralDirectiveTransform('for', (node, dir, context) => {
      const { helper, removeHelper } = context;
      return processFor(node, dir, context, forNode => {
          // create the loop render function expression now, and add the
          // iterator on exit after all children have been traversed
          const renderExp = createCallExpression(helper(RENDER_LIST), [
              forNode.source
          ]);
          const memo = findDir(node, 'memo');
          const keyProp = findProp(node, `key`);
          const keyExp = keyProp &&
              (keyProp.type === 6 /* ATTRIBUTE */
                  ? createSimpleExpression(keyProp.value.content, true)
                  : keyProp.exp);
          const keyProperty = keyProp ? createObjectProperty(`key`, keyExp) : null;
          const isStableFragment = forNode.source.type === 4 /* SIMPLE_EXPRESSION */ &&
              forNode.source.constType > 0 /* NOT_CONSTANT */;
          const fragmentFlag = isStableFragment
              ? 64 /* STABLE_FRAGMENT */
              : keyProp
                  ? 128 /* KEYED_FRAGMENT */
                  : 256 /* UNKEYED_FRAGMENT */;
          forNode.codegenNode = createVNodeCall(context, helper(FRAGMENT), undefined, renderExp, fragmentFlag +
              (` /* ${PatchFlagNames[fragmentFlag]} */` ), undefined, undefined, true /* isBlock */, !isStableFragment /* disableTracking */, false /* isComponent */, node.loc);
          return () => {
              // finish the codegen now that all children have been traversed
              let childBlock;
              const isTemplate = isTemplateNode(node);
              const { children } = forNode;
              // check <template v-for> key placement
              if (isTemplate) {
                  node.children.some(c => {
                      if (c.type === 1 /* ELEMENT */) {
                          const key = findProp(c, 'key');
                          if (key) {
                              context.onError(createCompilerError(33 /* X_V_FOR_TEMPLATE_KEY_PLACEMENT */, key.loc));
                              return true;
                          }
                      }
                  });
              }
              const needFragmentWrapper = children.length !== 1 || children[0].type !== 1 /* ELEMENT */;
              const slotOutlet = isSlotOutlet(node)
                  ? node
                  : isTemplate &&
                      node.children.length === 1 &&
                      isSlotOutlet(node.children[0])
                      ? node.children[0] // api-extractor somehow fails to infer this
                      : null;
              if (slotOutlet) {
                  // <slot v-for="..."> or <template v-for="..."><slot/></template>
                  childBlock = slotOutlet.codegenNode;
                  if (isTemplate && keyProperty) {
                      // <template v-for="..." :key="..."><slot/></template>
                      // we need to inject the key to the renderSlot() call.
                      // the props for renderSlot is passed as the 3rd argument.
                      injectProp(childBlock, keyProperty, context);
                  }
              }
              else if (needFragmentWrapper) {
                  // <template v-for="..."> with text or multi-elements
                  // should generate a fragment block for each loop
                  childBlock = createVNodeCall(context, helper(FRAGMENT), keyProperty ? createObjectExpression([keyProperty]) : undefined, node.children, 64 /* STABLE_FRAGMENT */ +
                      (` /* ${PatchFlagNames[64 /* STABLE_FRAGMENT */]} */`
                          ), undefined, undefined, true, undefined, false /* isComponent */);
              }
              else {
                  // Normal element v-for. Directly use the child's codegenNode
                  // but mark it as a block.
                  childBlock = children[0]
                      .codegenNode;
                  if (isTemplate && keyProperty) {
                      injectProp(childBlock, keyProperty, context);
                  }
                  if (childBlock.isBlock !== !isStableFragment) {
                      if (childBlock.isBlock) {
                          // switch from block to vnode
                          removeHelper(OPEN_BLOCK);
                          removeHelper(getVNodeBlockHelper(context.inSSR, childBlock.isComponent));
                      }
                      else {
                          // switch from vnode to block
                          removeHelper(getVNodeHelper(context.inSSR, childBlock.isComponent));
                      }
                  }
                  childBlock.isBlock = !isStableFragment;
                  if (childBlock.isBlock) {
                      helper(OPEN_BLOCK);
                      helper(getVNodeBlockHelper(context.inSSR, childBlock.isComponent));
                  }
                  else {
                      helper(getVNodeHelper(context.inSSR, childBlock.isComponent));
                  }
              }
              if (memo) {
                  const loop = createFunctionExpression(createForLoopParams(forNode.parseResult, [
                      createSimpleExpression(`_cached`)
                  ]));
                  loop.body = createBlockStatement([
                      createCompoundExpression([`const _memo = (`, memo.exp, `)`]),
                      createCompoundExpression([
                          `if (_cached`,
                          ...(keyExp ? [` && _cached.key === `, keyExp] : []),
                          ` && ${context.helperString(IS_MEMO_SAME)}(_cached, _memo)) return _cached`
                      ]),
                      createCompoundExpression([`const _item = `, childBlock]),
                      createSimpleExpression(`_item.memo = _memo`),
                      createSimpleExpression(`return _item`)
                  ]);
                  renderExp.arguments.push(loop, createSimpleExpression(`_cache`), createSimpleExpression(String(context.cached++)));
              }
              else {
                  renderExp.arguments.push(createFunctionExpression(createForLoopParams(forNode.parseResult), childBlock, true /* force newline */));
              }
          };
      });
  });
  // target-agnostic transform used for both Client and SSR
  function processFor(node, dir, context, processCodegen) {
      if (!dir.exp) {
          context.onError(createCompilerError(31 /* X_V_FOR_NO_EXPRESSION */, dir.loc));
          return;
      }
      const parseResult = parseForExpression(
      // can only be simple expression because vFor transform is applied
      // before expression transform.
      dir.exp, context);
      if (!parseResult) {
          context.onError(createCompilerError(32 /* X_V_FOR_MALFORMED_EXPRESSION */, dir.loc));
          return;
      }
      const { addIdentifiers, removeIdentifiers, scopes } = context;
      const { source, value, key, index } = parseResult;
      const forNode = {
          type: 11 /* FOR */,
          loc: dir.loc,
          source,
          valueAlias: value,
          keyAlias: key,
          objectIndexAlias: index,
          parseResult,
          children: isTemplateNode(node) ? node.children : [node]
      };
      context.replaceNode(forNode);
      // bookkeeping
      scopes.vFor++;
      const onExit = processCodegen && processCodegen(forNode);
      return () => {
          scopes.vFor--;
          if (onExit)
              onExit();
      };
  }
  const forAliasRE = /([\s\S]*?)\s+(?:in|of)\s+([\s\S]*)/;
  // This regex doesn't cover the case if key or index aliases have destructuring,
  // but those do not make sense in the first place, so this works in practice.
  const forIteratorRE = /,([^,\}\]]*)(?:,([^,\}\]]*))?$/;
  const stripParensRE = /^\(|\)$/g;
  function parseForExpression(input, context) {
      const loc = input.loc;
      const exp = input.content;
      const inMatch = exp.match(forAliasRE);
      if (!inMatch)
          return;
      const [, LHS, RHS] = inMatch;
      const result = {
          source: createAliasExpression(loc, RHS.trim(), exp.indexOf(RHS, LHS.length)),
          value: undefined,
          key: undefined,
          index: undefined
      };
      {
          validateBrowserExpression(result.source, context);
      }
      let valueContent = LHS.trim().replace(stripParensRE, '').trim();
      const trimmedOffset = LHS.indexOf(valueContent);
      const iteratorMatch = valueContent.match(forIteratorRE);
      if (iteratorMatch) {
          valueContent = valueContent.replace(forIteratorRE, '').trim();
          const keyContent = iteratorMatch[1].trim();
          let keyOffset;
          if (keyContent) {
              keyOffset = exp.indexOf(keyContent, trimmedOffset + valueContent.length);
              result.key = createAliasExpression(loc, keyContent, keyOffset);
              {
                  validateBrowserExpression(result.key, context, true);
              }
          }
          if (iteratorMatch[2]) {
              const indexContent = iteratorMatch[2].trim();
              if (indexContent) {
                  result.index = createAliasExpression(loc, indexContent, exp.indexOf(indexContent, result.key
                      ? keyOffset + keyContent.length
                      : trimmedOffset + valueContent.length));
                  {
                      validateBrowserExpression(result.index, context, true);
                  }
              }
          }
      }
      if (valueContent) {
          result.value = createAliasExpression(loc, valueContent, trimmedOffset);
          {
              validateBrowserExpression(result.value, context, true);
          }
      }
      return result;
  }
  function createAliasExpression(range, content, offset) {
      return createSimpleExpression(content, false, getInnerRange(range, offset, content.length));
  }
  function createForLoopParams({ value, key, index }, memoArgs = []) {
      return createParamsList([value, key, index, ...memoArgs]);
  }
  function createParamsList(args) {
      let i = args.length;
      while (i--) {
          if (args[i])
              break;
      }
      return args
          .slice(0, i + 1)
          .map((arg, i) => arg || createSimpleExpression(`_`.repeat(i + 1), false));
  }
  
  const defaultFallback = createSimpleExpression(`undefined`, false);
  // A NodeTransform that:
  // 1. Tracks scope identifiers for scoped slots so that they don't get prefixed
  //    by transformExpression. This is only applied in non-browser builds with
  //    { prefixIdentifiers: true }.
  // 2. Track v-slot depths so that we know a slot is inside another slot.
  //    Note the exit callback is executed before buildSlots() on the same node,
  //    so only nested slots see positive numbers.
  const trackSlotScopes = (node, context) => {
      if (node.type === 1 /* ELEMENT */ &&
          (node.tagType === 1 /* COMPONENT */ ||
              node.tagType === 3 /* TEMPLATE */)) {
          // We are only checking non-empty v-slot here
          // since we only care about slots that introduce scope variables.
          const vSlot = findDir(node, 'slot');
          if (vSlot) {
              vSlot.exp;
              context.scopes.vSlot++;
              return () => {
                  context.scopes.vSlot--;
              };
          }
      }
  };
  const buildClientSlotFn = (props, children, loc) => createFunctionExpression(props, children, false /* newline */, true /* isSlot */, children.length ? children[0].loc : loc);
  // Instead of being a DirectiveTransform, v-slot processing is called during
  // transformElement to build the slots object for a component.
  function buildSlots(node, context, buildSlotFn = buildClientSlotFn) {
      context.helper(WITH_CTX);
      const { children, loc } = node;
      const slotsProperties = [];
      const dynamicSlots = [];
      // If the slot is inside a v-for or another v-slot, force it to be dynamic
      // since it likely uses a scope variable.
      let hasDynamicSlots = context.scopes.vSlot > 0 || context.scopes.vFor > 0;
      // 1. Check for slot with slotProps on component itself.
      //    <Comp v-slot="{ prop }"/>
      const onComponentSlot = findDir(node, 'slot', true);
      if (onComponentSlot) {
          const { arg, exp } = onComponentSlot;
          if (arg && !isStaticExp(arg)) {
              hasDynamicSlots = true;
          }
          slotsProperties.push(createObjectProperty(arg || createSimpleExpression('default', true), buildSlotFn(exp, children, loc)));
      }
      // 2. Iterate through children and check for template slots
      //    <template v-slot:foo="{ prop }">
      let hasTemplateSlots = false;
      let hasNamedDefaultSlot = false;
      const implicitDefaultChildren = [];
      const seenSlotNames = new Set();
      for (let i = 0; i < children.length; i++) {
          const slotElement = children[i];
          let slotDir;
          if (!isTemplateNode(slotElement) ||
              !(slotDir = findDir(slotElement, 'slot', true))) {
              // not a <template v-slot>, skip.
              if (slotElement.type !== 3 /* COMMENT */) {
                  implicitDefaultChildren.push(slotElement);
              }
              continue;
          }
          if (onComponentSlot) {
              // already has on-component slot - this is incorrect usage.
              context.onError(createCompilerError(37 /* X_V_SLOT_MIXED_SLOT_USAGE */, slotDir.loc));
              break;
          }
          hasTemplateSlots = true;
          const { children: slotChildren, loc: slotLoc } = slotElement;
          const { arg: slotName = createSimpleExpression(`default`, true), exp: slotProps, loc: dirLoc } = slotDir;
          // check if name is dynamic.
          let staticSlotName;
          if (isStaticExp(slotName)) {
              staticSlotName = slotName ? slotName.content : `default`;
          }
          else {
              hasDynamicSlots = true;
          }
          const slotFunction = buildSlotFn(slotProps, slotChildren, slotLoc);
          // check if this slot is conditional (v-if/v-for)
          let vIf;
          let vElse;
          let vFor;
          if ((vIf = findDir(slotElement, 'if'))) {
              hasDynamicSlots = true;
              dynamicSlots.push(createConditionalExpression(vIf.exp, buildDynamicSlot(slotName, slotFunction), defaultFallback));
          }
          else if ((vElse = findDir(slotElement, /^else(-if)?$/, true /* allowEmpty */))) {
              // find adjacent v-if
              let j = i;
              let prev;
              while (j--) {
                  prev = children[j];
                  if (prev.type !== 3 /* COMMENT */) {
                      break;
                  }
              }
              if (prev && isTemplateNode(prev) && findDir(prev, 'if')) {
                  // remove node
                  children.splice(i, 1);
                  i--;
                  // attach this slot to previous conditional
                  let conditional = dynamicSlots[dynamicSlots.length - 1];
                  while (conditional.alternate.type === 19 /* JS_CONDITIONAL_EXPRESSION */) {
                      conditional = conditional.alternate;
                  }
                  conditional.alternate = vElse.exp
                      ? createConditionalExpression(vElse.exp, buildDynamicSlot(slotName, slotFunction), defaultFallback)
                      : buildDynamicSlot(slotName, slotFunction);
              }
              else {
                  context.onError(createCompilerError(30 /* X_V_ELSE_NO_ADJACENT_IF */, vElse.loc));
              }
          }
          else if ((vFor = findDir(slotElement, 'for'))) {
              hasDynamicSlots = true;
              const parseResult = vFor.parseResult ||
                  parseForExpression(vFor.exp, context);
              if (parseResult) {
                  // Render the dynamic slots as an array and add it to the createSlot()
                  // args. The runtime knows how to handle it appropriately.
                  dynamicSlots.push(createCallExpression(context.helper(RENDER_LIST), [
                      parseResult.source,
                      createFunctionExpression(createForLoopParams(parseResult), buildDynamicSlot(slotName, slotFunction), true /* force newline */)
                  ]));
              }
              else {
                  context.onError(createCompilerError(32 /* X_V_FOR_MALFORMED_EXPRESSION */, vFor.loc));
              }
          }
          else {
              // check duplicate static names
              if (staticSlotName) {
                  if (seenSlotNames.has(staticSlotName)) {
                      context.onError(createCompilerError(38 /* X_V_SLOT_DUPLICATE_SLOT_NAMES */, dirLoc));
                      continue;
                  }
                  seenSlotNames.add(staticSlotName);
                  if (staticSlotName === 'default') {
                      hasNamedDefaultSlot = true;
                  }
              }
              slotsProperties.push(createObjectProperty(slotName, slotFunction));
          }
      }
      if (!onComponentSlot) {
          const buildDefaultSlotProperty = (props, children) => {
              const fn = buildSlotFn(props, children, loc);
              if (context.compatConfig) {
                  fn.isNonScopedSlot = true;
              }
              return createObjectProperty(`default`, fn);
          };
          if (!hasTemplateSlots) {
              // implicit default slot (on component)
              slotsProperties.push(buildDefaultSlotProperty(undefined, children));
          }
          else if (implicitDefaultChildren.length &&
              // #3766
              // with whitespace: 'preserve', whitespaces between slots will end up in
              // implicitDefaultChildren. Ignore if all implicit children are whitespaces.
              implicitDefaultChildren.some(node => isNonWhitespaceContent(node))) {
              // implicit default slot (mixed with named slots)
              if (hasNamedDefaultSlot) {
                  context.onError(createCompilerError(39 /* X_V_SLOT_EXTRANEOUS_DEFAULT_SLOT_CHILDREN */, implicitDefaultChildren[0].loc));
              }
              else {
                  slotsProperties.push(buildDefaultSlotProperty(undefined, implicitDefaultChildren));
              }
          }
      }
      const slotFlag = hasDynamicSlots
          ? 2 /* DYNAMIC */
          : hasForwardedSlots(node.children)
              ? 3 /* FORWARDED */
              : 1 /* STABLE */;
      let slots = createObjectExpression(slotsProperties.concat(createObjectProperty(`_`, 
      // 2 = compiled but dynamic = can skip normalization, but must run diff
      // 1 = compiled and static = can skip normalization AND diff as optimized
      createSimpleExpression(slotFlag + (` /* ${slotFlagsText[slotFlag]} */` ), false))), loc);
      if (dynamicSlots.length) {
          slots = createCallExpression(context.helper(CREATE_SLOTS), [
              slots,
              createArrayExpression(dynamicSlots)
          ]);
      }
      return {
          slots,
          hasDynamicSlots
      };
  }
  function buildDynamicSlot(name, fn) {
      return createObjectExpression([
          createObjectProperty(`name`, name),
          createObjectProperty(`fn`, fn)
      ]);
  }
  function hasForwardedSlots(children) {
      for (let i = 0; i < children.length; i++) {
          const child = children[i];
          switch (child.type) {
              case 1 /* ELEMENT */:
                  if (child.tagType === 2 /* SLOT */ ||
                      hasForwardedSlots(child.children)) {
                      return true;
                  }
                  break;
              case 9 /* IF */:
                  if (hasForwardedSlots(child.branches))
                      return true;
                  break;
              case 10 /* IF_BRANCH */:
              case 11 /* FOR */:
                  if (hasForwardedSlots(child.children))
                      return true;
                  break;
          }
      }
      return false;
  }
  function isNonWhitespaceContent(node) {
      if (node.type !== 2 /* TEXT */ && node.type !== 12 /* TEXT_CALL */)
          return true;
      return node.type === 2 /* TEXT */
          ? !!node.content.trim()
          : isNonWhitespaceContent(node.content);
  }
  
  // some directive transforms (e.g. v-model) may return a symbol for runtime
  // import, which should be used instead of a resolveDirective call.
  const directiveImportMap = new WeakMap();
  // generate a JavaScript AST for this element's codegen
  const transformElement = (node, context) => {
      // perform the work on exit, after all child expressions have been
      // processed and merged.
      return function postTransformElement() {
          node = context.currentNode;
          if (!(node.type === 1 /* ELEMENT */ &&
              (node.tagType === 0 /* ELEMENT */ ||
                  node.tagType === 1 /* COMPONENT */))) {
              return;
          }
          const { tag, props } = node;
          const isComponent = node.tagType === 1 /* COMPONENT */;
          // The goal of the transform is to create a codegenNode implementing the
          // VNodeCall interface.
          let vnodeTag = isComponent
              ? resolveComponentType(node, context)
              : `"${tag}"`;
          const isDynamicComponent = isObject(vnodeTag) && vnodeTag.callee === RESOLVE_DYNAMIC_COMPONENT;
          let vnodeProps;
          let vnodeChildren;
          let vnodePatchFlag;
          let patchFlag = 0;
          let vnodeDynamicProps;
          let dynamicPropNames;
          let vnodeDirectives;
          let shouldUseBlock = 
          // dynamic component may resolve to plain elements
          isDynamicComponent ||
              vnodeTag === TELEPORT ||
              vnodeTag === SUSPENSE ||
              (!isComponent &&
                  // <svg> and <foreignObject> must be forced into blocks so that block
                  // updates inside get proper isSVG flag at runtime. (#639, #643)
                  // This is technically web-specific, but splitting the logic out of core
                  // leads to too much unnecessary complexity.
                  (tag === 'svg' || tag === 'foreignObject'));
          // props
          if (props.length > 0) {
              const propsBuildResult = buildProps(node, context);
              vnodeProps = propsBuildResult.props;
              patchFlag = propsBuildResult.patchFlag;
              dynamicPropNames = propsBuildResult.dynamicPropNames;
              const directives = propsBuildResult.directives;
              vnodeDirectives =
                  directives && directives.length
                      ? createArrayExpression(directives.map(dir => buildDirectiveArgs(dir, context)))
                      : undefined;
              if (propsBuildResult.shouldUseBlock) {
                  shouldUseBlock = true;
              }
          }
          // children
          if (node.children.length > 0) {
              if (vnodeTag === KEEP_ALIVE) {
                  // Although a built-in component, we compile KeepAlive with raw children
                  // instead of slot functions so that it can be used inside Transition
                  // or other Transition-wrapping HOCs.
                  // To ensure correct updates with block optimizations, we need to:
                  // 1. Force keep-alive into a block. This avoids its children being
                  //    collected by a parent block.
                  shouldUseBlock = true;
                  // 2. Force keep-alive to always be updated, since it uses raw children.
                  patchFlag |= 1024 /* DYNAMIC_SLOTS */;
                  if (node.children.length > 1) {
                      context.onError(createCompilerError(45 /* X_KEEP_ALIVE_INVALID_CHILDREN */, {
                          start: node.children[0].loc.start,
                          end: node.children[node.children.length - 1].loc.end,
                          source: ''
                      }));
                  }
              }
              const shouldBuildAsSlots = isComponent &&
                  // Teleport is not a real component and has dedicated runtime handling
                  vnodeTag !== TELEPORT &&
                  // explained above.
                  vnodeTag !== KEEP_ALIVE;
              if (shouldBuildAsSlots) {
                  const { slots, hasDynamicSlots } = buildSlots(node, context);
                  vnodeChildren = slots;
                  if (hasDynamicSlots) {
                      patchFlag |= 1024 /* DYNAMIC_SLOTS */;
                  }
              }
              else if (node.children.length === 1 && vnodeTag !== TELEPORT) {
                  const child = node.children[0];
                  const type = child.type;
                  // check for dynamic text children
                  const hasDynamicTextChild = type === 5 /* INTERPOLATION */ ||
                      type === 8 /* COMPOUND_EXPRESSION */;
                  if (hasDynamicTextChild &&
                      getConstantType(child, context) === 0 /* NOT_CONSTANT */) {
                      patchFlag |= 1 /* TEXT */;
                  }
                  // pass directly if the only child is a text node
                  // (plain / interpolation / expression)
                  if (hasDynamicTextChild || type === 2 /* TEXT */) {
                      vnodeChildren = child;
                  }
                  else {
                      vnodeChildren = node.children;
                  }
              }
              else {
                  vnodeChildren = node.children;
              }
          }
          // patchFlag & dynamicPropNames
          if (patchFlag !== 0) {
              {
                  if (patchFlag < 0) {
                      // special flags (negative and mutually exclusive)
                      vnodePatchFlag = patchFlag + ` /* ${PatchFlagNames[patchFlag]} */`;
                  }
                  else {
                      // bitwise flags
                      const flagNames = Object.keys(PatchFlagNames)
                          .map(Number)
                          .filter(n => n > 0 && patchFlag & n)
                          .map(n => PatchFlagNames[n])
                          .join(`, `);
                      vnodePatchFlag = patchFlag + ` /* ${flagNames} */`;
                  }
              }
              if (dynamicPropNames && dynamicPropNames.length) {
                  vnodeDynamicProps = stringifyDynamicPropNames(dynamicPropNames);
              }
          }
          node.codegenNode = createVNodeCall(context, vnodeTag, vnodeProps, vnodeChildren, vnodePatchFlag, vnodeDynamicProps, vnodeDirectives, !!shouldUseBlock, false /* disableTracking */, isComponent, node.loc);
      };
  };
  function resolveComponentType(node, context, ssr = false) {
      let { tag } = node;
      // 1. dynamic component
      const isExplicitDynamic = isComponentTag(tag);
      const isProp = findProp(node, 'is');
      if (isProp) {
          if (isExplicitDynamic ||
              (isCompatEnabled("COMPILER_IS_ON_ELEMENT" /* COMPILER_IS_ON_ELEMENT */, context))) {
              const exp = isProp.type === 6 /* ATTRIBUTE */
                  ? isProp.value && createSimpleExpression(isProp.value.content, true)
                  : isProp.exp;
              if (exp) {
                  return createCallExpression(context.helper(RESOLVE_DYNAMIC_COMPONENT), [
                      exp
                  ]);
              }
          }
          else if (isProp.type === 6 /* ATTRIBUTE */ &&
              isProp.value.content.startsWith('vue:')) {
              // <button is="vue:xxx">
              // if not <component>, only is value that starts with "vue:" will be
              // treated as component by the parse phase and reach here, unless it's
              // compat mode where all is values are considered components
              tag = isProp.value.content.slice(4);
          }
      }
      // 1.5 v-is (TODO: Deprecate)
      const isDir = !isExplicitDynamic && findDir(node, 'is');
      if (isDir && isDir.exp) {
          return createCallExpression(context.helper(RESOLVE_DYNAMIC_COMPONENT), [
              isDir.exp
          ]);
      }
      // 2. built-in components (Teleport, Transition, KeepAlive, Suspense...)
      const builtIn = isCoreComponent(tag) || context.isBuiltInComponent(tag);
      if (builtIn) {
          // built-ins are simply fallthroughs / have special handling during ssr
          // so we don't need to import their runtime equivalents
          if (!ssr)
              context.helper(builtIn);
          return builtIn;
      }
      // 5. user component (resolve)
      context.helper(RESOLVE_COMPONENT);
      context.components.add(tag);
      return toValidAssetId(tag, `component`);
  }
  function buildProps(node, context, props = node.props, ssr = false) {
      const { tag, loc: elementLoc, children } = node;
      const isComponent = node.tagType === 1 /* COMPONENT */;
      let properties = [];
      const mergeArgs = [];
      const runtimeDirectives = [];
      const hasChildren = children.length > 0;
      let shouldUseBlock = false;
      // patchFlag analysis
      let patchFlag = 0;
      let hasRef = false;
      let hasClassBinding = false;
      let hasStyleBinding = false;
      let hasHydrationEventBinding = false;
      let hasDynamicKeys = false;
      let hasVnodeHook = false;
      const dynamicPropNames = [];
      const analyzePatchFlag = ({ key, value }) => {
          if (isStaticExp(key)) {
              const name = key.content;
              const isEventHandler = isOn(name);
              if (!isComponent &&
                  isEventHandler &&
                  // omit the flag for click handlers because hydration gives click
                  // dedicated fast path.
                  name.toLowerCase() !== 'onclick' &&
                  // omit v-model handlers
                  name !== 'onUpdate:modelValue' &&
                  // omit onVnodeXXX hooks
                  !isReservedProp(name)) {
                  hasHydrationEventBinding = true;
              }
              if (isEventHandler && isReservedProp(name)) {
                  hasVnodeHook = true;
              }
              if (value.type === 20 /* JS_CACHE_EXPRESSION */ ||
                  ((value.type === 4 /* SIMPLE_EXPRESSION */ ||
                      value.type === 8 /* COMPOUND_EXPRESSION */) &&
                      getConstantType(value, context) > 0)) {
                  // skip if the prop is a cached handler or has constant value
                  return;
              }
              if (name === 'ref') {
                  hasRef = true;
              }
              else if (name === 'class') {
                  hasClassBinding = true;
              }
              else if (name === 'style') {
                  hasStyleBinding = true;
              }
              else if (name !== 'key' && !dynamicPropNames.includes(name)) {
                  dynamicPropNames.push(name);
              }
              // treat the dynamic class and style binding of the component as dynamic props
              if (isComponent &&
                  (name === 'class' || name === 'style') &&
                  !dynamicPropNames.includes(name)) {
                  dynamicPropNames.push(name);
              }
          }
          else {
              hasDynamicKeys = true;
          }
      };
      for (let i = 0; i < props.length; i++) {
          // static attribute
          const prop = props[i];
          if (prop.type === 6 /* ATTRIBUTE */) {
              const { loc, name, value } = prop;
              let isStatic = true;
              if (name === 'ref') {
                  hasRef = true;
                  if (context.scopes.vFor > 0) {
                      properties.push(createObjectProperty(createSimpleExpression('ref_for', true), createSimpleExpression('true')));
                  }
              }
              // skip is on <component>, or is="vue:xxx"
              if (name === 'is' &&
                  (isComponentTag(tag) ||
                      (value && value.content.startsWith('vue:')) ||
                      (isCompatEnabled("COMPILER_IS_ON_ELEMENT" /* COMPILER_IS_ON_ELEMENT */, context)))) {
                  continue;
              }
              properties.push(createObjectProperty(createSimpleExpression(name, true, getInnerRange(loc, 0, name.length)), createSimpleExpression(value ? value.content : '', isStatic, value ? value.loc : loc)));
          }
          else {
              // directives
              const { name, arg, exp, loc } = prop;
              const isVBind = name === 'bind';
              const isVOn = name === 'on';
              // skip v-slot - it is handled by its dedicated transform.
              if (name === 'slot') {
                  if (!isComponent) {
                      context.onError(createCompilerError(40 /* X_V_SLOT_MISPLACED */, loc));
                  }
                  continue;
              }
              // skip v-once/v-memo - they are handled by dedicated transforms.
              if (name === 'once' || name === 'memo') {
                  continue;
              }
              // skip v-is and :is on <component>
              if (name === 'is' ||
                  (isVBind &&
                      isStaticArgOf(arg, 'is') &&
                      (isComponentTag(tag) ||
                          (isCompatEnabled("COMPILER_IS_ON_ELEMENT" /* COMPILER_IS_ON_ELEMENT */, context))))) {
                  continue;
              }
              // skip v-on in SSR compilation
              if (isVOn && ssr) {
                  continue;
              }
              if (
              // #938: elements with dynamic keys should be forced into blocks
              (isVBind && isStaticArgOf(arg, 'key')) ||
                  // inline before-update hooks need to force block so that it is invoked
                  // before children
                  (isVOn && hasChildren && isStaticArgOf(arg, 'vue:before-update'))) {
                  shouldUseBlock = true;
              }
              if (isVBind && isStaticArgOf(arg, 'ref') && context.scopes.vFor > 0) {
                  properties.push(createObjectProperty(createSimpleExpression('ref_for', true), createSimpleExpression('true')));
              }
              // special case for v-bind and v-on with no argument
              if (!arg && (isVBind || isVOn)) {
                  hasDynamicKeys = true;
                  if (exp) {
                      if (properties.length) {
                          mergeArgs.push(createObjectExpression(dedupeProperties(properties), elementLoc));
                          properties = [];
                      }
                      if (isVBind) {
                          {
                              // 2.x v-bind object order compat
                              {
                                  const hasOverridableKeys = mergeArgs.some(arg => {
                                      if (arg.type === 15 /* JS_OBJECT_EXPRESSION */) {
                                          return arg.properties.some(({ key }) => {
                                              if (key.type !== 4 /* SIMPLE_EXPRESSION */ ||
                                                  !key.isStatic) {
                                                  return true;
                                              }
                                              return (key.content !== 'class' &&
                                                  key.content !== 'style' &&
                                                  !isOn(key.content));
                                          });
                                      }
                                      else {
                                          // dynamic expression
                                          return true;
                                      }
                                  });
                                  if (hasOverridableKeys) {
                                      checkCompatEnabled("COMPILER_V_BIND_OBJECT_ORDER" /* COMPILER_V_BIND_OBJECT_ORDER */, context, loc);
                                  }
                              }
                              if (isCompatEnabled("COMPILER_V_BIND_OBJECT_ORDER" /* COMPILER_V_BIND_OBJECT_ORDER */, context)) {
                                  mergeArgs.unshift(exp);
                                  continue;
                              }
                          }
                          mergeArgs.push(exp);
                      }
                      else {
                          // v-on="obj" -> toHandlers(obj)
                          mergeArgs.push({
                              type: 14 /* JS_CALL_EXPRESSION */,
                              loc,
                              callee: context.helper(TO_HANDLERS),
                              arguments: [exp]
                          });
                      }
                  }
                  else {
                      context.onError(createCompilerError(isVBind
                          ? 34 /* X_V_BIND_NO_EXPRESSION */
                          : 35 /* X_V_ON_NO_EXPRESSION */, loc));
                  }
                  continue;
              }
              const directiveTransform = context.directiveTransforms[name];
              if (directiveTransform) {
                  // has built-in directive transform.
                  const { props, needRuntime } = directiveTransform(prop, node, context);
                  !ssr && props.forEach(analyzePatchFlag);
                  properties.push(...props);
                  if (needRuntime) {
                      runtimeDirectives.push(prop);
                      if (isSymbol(needRuntime)) {
                          directiveImportMap.set(prop, needRuntime);
                      }
                  }
              }
              else {
                  // no built-in transform, this is a user custom directive.
                  runtimeDirectives.push(prop);
                  // custom dirs may use beforeUpdate so they need to force blocks
                  // to ensure before-update gets called before children update
                  if (hasChildren) {
                      shouldUseBlock = true;
                  }
              }
          }
      }
      let propsExpression = undefined;
      // has v-bind="object" or v-on="object", wrap with mergeProps
      if (mergeArgs.length) {
          if (properties.length) {
              mergeArgs.push(createObjectExpression(dedupeProperties(properties), elementLoc));
          }
          if (mergeArgs.length > 1) {
              propsExpression = createCallExpression(context.helper(MERGE_PROPS), mergeArgs, elementLoc);
          }
          else {
              // single v-bind with nothing else - no need for a mergeProps call
              propsExpression = mergeArgs[0];
          }
      }
      else if (properties.length) {
          propsExpression = createObjectExpression(dedupeProperties(properties), elementLoc);
      }
      // patchFlag analysis
      if (hasDynamicKeys) {
          patchFlag |= 16 /* FULL_PROPS */;
      }
      else {
          if (hasClassBinding && !isComponent) {
              patchFlag |= 2 /* CLASS */;
          }
          if (hasStyleBinding && !isComponent) {
              patchFlag |= 4 /* STYLE */;
          }
          if (dynamicPropNames.length) {
              patchFlag |= 8 /* PROPS */;
          }
          if (hasHydrationEventBinding) {
              patchFlag |= 32 /* HYDRATE_EVENTS */;
          }
      }
      if (!shouldUseBlock &&
          (patchFlag === 0 || patchFlag === 32 /* HYDRATE_EVENTS */) &&
          (hasRef || hasVnodeHook || runtimeDirectives.length > 0)) {
          patchFlag |= 512 /* NEED_PATCH */;
      }
      // pre-normalize props, SSR is skipped for now
      if (!context.inSSR && propsExpression) {
          switch (propsExpression.type) {
              case 15 /* JS_OBJECT_EXPRESSION */:
                  // means that there is no v-bind,
                  // but still need to deal with dynamic key binding
                  let classKeyIndex = -1;
                  let styleKeyIndex = -1;
                  let hasDynamicKey = false;
                  for (let i = 0; i < propsExpression.properties.length; i++) {
                      const key = propsExpression.properties[i].key;
                      if (isStaticExp(key)) {
                          if (key.content === 'class') {
                              classKeyIndex = i;
                          }
                          else if (key.content === 'style') {
                              styleKeyIndex = i;
                          }
                      }
                      else if (!key.isHandlerKey) {
                          hasDynamicKey = true;
                      }
                  }
                  const classProp = propsExpression.properties[classKeyIndex];
                  const styleProp = propsExpression.properties[styleKeyIndex];
                  // no dynamic key
                  if (!hasDynamicKey) {
                      if (classProp && !isStaticExp(classProp.value)) {
                          classProp.value = createCallExpression(context.helper(NORMALIZE_CLASS), [classProp.value]);
                      }
                      if (styleProp &&
                          !isStaticExp(styleProp.value) &&
                          // the static style is compiled into an object,
                          // so use `hasStyleBinding` to ensure that it is a dynamic style binding
                          (hasStyleBinding ||
                              // v-bind:style and style both exist,
                              // v-bind:style with static literal object
                              styleProp.value.type === 17 /* JS_ARRAY_EXPRESSION */)) {
                          styleProp.value = createCallExpression(context.helper(NORMALIZE_STYLE), [styleProp.value]);
                      }
                  }
                  else {
                      // dynamic key binding, wrap with `normalizeProps`
                      propsExpression = createCallExpression(context.helper(NORMALIZE_PROPS), [propsExpression]);
                  }
                  break;
              case 14 /* JS_CALL_EXPRESSION */:
                  // mergeProps call, do nothing
                  break;
              default:
                  // single v-bind
                  propsExpression = createCallExpression(context.helper(NORMALIZE_PROPS), [
                      createCallExpression(context.helper(GUARD_REACTIVE_PROPS), [
                          propsExpression
                      ])
                  ]);
                  break;
          }
      }
      return {
          props: propsExpression,
          directives: runtimeDirectives,
          patchFlag,
          dynamicPropNames,
          shouldUseBlock
      };
  }
  // Dedupe props in an object literal.
  // Literal duplicated attributes would have been warned during the parse phase,
  // however, it's possible to encounter duplicated `onXXX` handlers with different
  // modifiers. We also need to merge static and dynamic class / style attributes.
  // - onXXX handlers / style: merge into array
  // - class: merge into single expression with concatenation
  function dedupeProperties(properties) {
      const knownProps = new Map();
      const deduped = [];
      for (let i = 0; i < properties.length; i++) {
          const prop = properties[i];
          // dynamic keys are always allowed
          if (prop.key.type === 8 /* COMPOUND_EXPRESSION */ || !prop.key.isStatic) {
              deduped.push(prop);
              continue;
          }
          const name = prop.key.content;
          const existing = knownProps.get(name);
          if (existing) {
              if (name === 'style' || name === 'class' || isOn(name)) {
                  mergeAsArray(existing, prop);
              }
              // unexpected duplicate, should have emitted error during parse
          }
          else {
              knownProps.set(name, prop);
              deduped.push(prop);
          }
      }
      return deduped;
  }
  function mergeAsArray(existing, incoming) {
      if (existing.value.type === 17 /* JS_ARRAY_EXPRESSION */) {
          existing.value.elements.push(incoming.value);
      }
      else {
          existing.value = createArrayExpression([existing.value, incoming.value], existing.loc);
      }
  }
  function buildDirectiveArgs(dir, context) {
      const dirArgs = [];
      const runtime = directiveImportMap.get(dir);
      if (runtime) {
          // built-in directive with runtime
          dirArgs.push(context.helperString(runtime));
      }
      else {
          {
              // inject statement for resolving directive
              context.helper(RESOLVE_DIRECTIVE);
              context.directives.add(dir.name);
              dirArgs.push(toValidAssetId(dir.name, `directive`));
          }
      }
      const { loc } = dir;
      if (dir.exp)
          dirArgs.push(dir.exp);
      if (dir.arg) {
          if (!dir.exp) {
              dirArgs.push(`void 0`);
          }
          dirArgs.push(dir.arg);
      }
      if (Object.keys(dir.modifiers).length) {
          if (!dir.arg) {
              if (!dir.exp) {
                  dirArgs.push(`void 0`);
              }
              dirArgs.push(`void 0`);
          }
          const trueExpression = createSimpleExpression(`true`, false, loc);
          dirArgs.push(createObjectExpression(dir.modifiers.map(modifier => createObjectProperty(modifier, trueExpression)), loc));
      }
      return createArrayExpression(dirArgs, dir.loc);
  }
  function stringifyDynamicPropNames(props) {
      let propsNamesString = `[`;
      for (let i = 0, l = props.length; i < l; i++) {
          propsNamesString += JSON.stringify(props[i]);
          if (i < l - 1)
              propsNamesString += ', ';
      }
      return propsNamesString + `]`;
  }
  function isComponentTag(tag) {
      return tag === 'component' || tag === 'Component';
  }
  
  Object.freeze({})
      ;
  Object.freeze([]) ;
  const cacheStringFunction = (fn) => {
      const cache = Object.create(null);
      return ((str) => {
          const hit = cache[str];
          return hit || (cache[str] = fn(str));
      });
  };
  const camelizeRE = /-(\w)/g;
  /**
   * @private
   */
  const camelize = cacheStringFunction((str) => {
      return str.replace(camelizeRE, (_, c) => (c ? c.toUpperCase() : ''));
  });
  
  const transformSlotOutlet = (node, context) => {
      if (isSlotOutlet(node)) {
          const { children, loc } = node;
          const { slotName, slotProps } = processSlotOutlet(node, context);
          const slotArgs = [
              context.prefixIdentifiers ? `_ctx.$slots` : `$slots`,
              slotName,
              '{}',
              'undefined',
              'true'
          ];
          let expectedLen = 2;
          if (slotProps) {
              slotArgs[2] = slotProps;
              expectedLen = 3;
          }
          if (children.length) {
              slotArgs[3] = createFunctionExpression([], children, false, false, loc);
              expectedLen = 4;
          }
          if (context.scopeId && !context.slotted) {
              expectedLen = 5;
          }
          slotArgs.splice(expectedLen); // remove unused arguments
          node.codegenNode = createCallExpression(context.helper(RENDER_SLOT), slotArgs, loc);
      }
  };
  function processSlotOutlet(node, context) {
      let slotName = `"default"`;
      let slotProps = undefined;
      const nonNameProps = [];
      for (let i = 0; i < node.props.length; i++) {
          const p = node.props[i];
          if (p.type === 6 /* ATTRIBUTE */) {
              if (p.value) {
                  if (p.name === 'name') {
                      slotName = JSON.stringify(p.value.content);
                  }
                  else {
                      p.name = camelize(p.name);
                      nonNameProps.push(p);
                  }
              }
          }
          else {
              if (p.name === 'bind' && isStaticArgOf(p.arg, 'name')) {
                  if (p.exp)
                      slotName = p.exp;
              }
              else {
                  if (p.name === 'bind' && p.arg && isStaticExp(p.arg)) {
                      p.arg.content = camelize(p.arg.content);
                  }
                  nonNameProps.push(p);
              }
          }
      }
      if (nonNameProps.length > 0) {
          const { props, directives } = buildProps(node, context, nonNameProps);
          slotProps = props;
          if (directives.length) {
              context.onError(createCompilerError(36 /* X_V_SLOT_UNEXPECTED_DIRECTIVE_ON_SLOT_OUTLET */, directives[0].loc));
          }
      }
      return {
          slotName,
          slotProps
      };
  }
  
  const fnExpRE = /^\s*([\w$_]+|(async\s*)?\([^)]*?\))\s*=>|^\s*(async\s+)?function(?:\s+[\w$]+)?\s*\(/;
  const transformOn$1 = (dir, node, context, augmentor) => {
      const { loc, modifiers, arg } = dir;
      if (!dir.exp && !modifiers.length) {
          context.onError(createCompilerError(35 /* X_V_ON_NO_EXPRESSION */, loc));
      }
      let eventName;
      if (arg.type === 4 /* SIMPLE_EXPRESSION */) {
          if (arg.isStatic) {
              let rawName = arg.content;
              // TODO deprecate @vnodeXXX usage
              if (rawName.startsWith('vue:')) {
                  rawName = `vnode-${rawName.slice(4)}`;
              }
              // for all event listeners, auto convert it to camelCase. See issue #2249
              eventName = createSimpleExpression(toHandlerKey(camelize$1(rawName)), true, arg.loc);
          }
          else {
              // #2388
              eventName = createCompoundExpression([
                  `${context.helperString(TO_HANDLER_KEY)}(`,
                  arg,
                  `)`
              ]);
          }
      }
      else {
          // already a compound expression.
          eventName = arg;
          eventName.children.unshift(`${context.helperString(TO_HANDLER_KEY)}(`);
          eventName.children.push(`)`);
      }
      // handler processing
      let exp = dir.exp;
      if (exp && !exp.content.trim()) {
          exp = undefined;
      }
      let shouldCache = context.cacheHandlers && !exp && !context.inVOnce;
      if (exp) {
          const isMemberExp = isMemberExpression(exp.content);
          const isInlineStatement = !(isMemberExp || fnExpRE.test(exp.content));
          const hasMultipleStatements = exp.content.includes(`;`);
          {
              validateBrowserExpression(exp, context, false, hasMultipleStatements);
          }
          if (isInlineStatement || (shouldCache && isMemberExp)) {
              // wrap inline statement in a function expression
              exp = createCompoundExpression([
                  `${isInlineStatement
                      ? `$event`
                      : `${``}(...args)`} => ${hasMultipleStatements ? `{` : `(`}`,
                  exp,
                  hasMultipleStatements ? `}` : `)`
              ]);
          }
      }
      let ret = {
          props: [
              createObjectProperty(eventName, exp || createSimpleExpression(`() => {}`, false, loc))
          ]
      };
      // apply extended compiler augmentor
      if (augmentor) {
          ret = augmentor(ret);
      }
      if (shouldCache) {
          // cache handlers so that it's always the same handler being passed down.
          // this avoids unnecessary re-renders when users use inline handlers on
          // components.
          ret.props[0].value = context.cache(ret.props[0].value);
      }
      // mark the key as handler for props normalization check
      ret.props.forEach(p => (p.key.isHandlerKey = true));
      return ret;
  };
  
  // v-bind without arg is handled directly in ./transformElements.ts due to it affecting
  // codegen for the entire props object. This transform here is only for v-bind
  // *with* args.
  const transformBind = (dir, _node, context) => {
      const { exp, modifiers, loc } = dir;
      const arg = dir.arg;
      if (arg.type !== 4 /* SIMPLE_EXPRESSION */) {
          arg.children.unshift(`(`);
          arg.children.push(`) || ""`);
      }
      else if (!arg.isStatic) {
          arg.content = `${arg.content} || ""`;
      }
      // .sync is replaced by v-model:arg
      if (modifiers.includes('camel')) {
          if (arg.type === 4 /* SIMPLE_EXPRESSION */) {
              if (arg.isStatic) {
                  arg.content = camelize$1(arg.content);
              }
              else {
                  arg.content = `${context.helperString(CAMELIZE)}(${arg.content})`;
              }
          }
          else {
              arg.children.unshift(`${context.helperString(CAMELIZE)}(`);
              arg.children.push(`)`);
          }
      }
      if (!context.inSSR) {
          if (modifiers.includes('prop')) {
              injectPrefix(arg, '.');
          }
          if (modifiers.includes('attr')) {
              injectPrefix(arg, '^');
          }
      }
      if (!exp ||
          (exp.type === 4 /* SIMPLE_EXPRESSION */ && !exp.content.trim())) {
          context.onError(createCompilerError(34 /* X_V_BIND_NO_EXPRESSION */, loc));
          return {
              props: [createObjectProperty(arg, createSimpleExpression('', true, loc))]
          };
      }
      return {
          props: [createObjectProperty(arg, exp)]
      };
  };
  const injectPrefix = (arg, prefix) => {
      if (arg.type === 4 /* SIMPLE_EXPRESSION */) {
          if (arg.isStatic) {
              arg.content = prefix + arg.content;
          }
          else {
              arg.content = `\`${prefix}\${${arg.content}}\``;
          }
      }
      else {
          arg.children.unshift(`'${prefix}' + (`);
          arg.children.push(`)`);
      }
  };
  
  // Merge adjacent text nodes and expressions into a single expression
  // e.g. <div>abc {{ d }} {{ e }}</div> should have a single expression node as child.
  const transformText = (node, context) => {
      if (node.type === 0 /* ROOT */ ||
          node.type === 1 /* ELEMENT */ ||
          node.type === 11 /* FOR */ ||
          node.type === 10 /* IF_BRANCH */) {
          // perform the transform on node exit so that all expressions have already
          // been processed.
          return () => {
              const children = node.children;
              let currentContainer = undefined;
              let hasText = false;
              for (let i = 0; i < children.length; i++) {
                  const child = children[i];
                  if (isText(child)) {
                      hasText = true;
                      for (let j = i + 1; j < children.length; j++) {
                          const next = children[j];
                          if (isText(next)) {
                              if (!currentContainer) {
                                  currentContainer = children[i] = {
                                      type: 8 /* COMPOUND_EXPRESSION */,
                                      loc: child.loc,
                                      children: [child]
                                  };
                              }
                              // merge adjacent text node into current
                              currentContainer.children.push(` + `, next);
                              children.splice(j, 1);
                              j--;
                          }
                          else {
                              currentContainer = undefined;
                              break;
                          }
                      }
                  }
              }
              if (!hasText ||
                  // if this is a plain element with a single text child, leave it
                  // as-is since the runtime has dedicated fast path for this by directly
                  // setting textContent of the element.
                  // for component root it's always normalized anyway.
                  (children.length === 1 &&
                      (node.type === 0 /* ROOT */ ||
                          (node.type === 1 /* ELEMENT */ &&
                              node.tagType === 0 /* ELEMENT */ &&
                              // #3756
                              // custom directives can potentially add DOM elements arbitrarily,
                              // we need to avoid setting textContent of the element at runtime
                              // to avoid accidentally overwriting the DOM elements added
                              // by the user through custom directives.
                              !node.props.find(p => p.type === 7 /* DIRECTIVE */ &&
                                  !context.directiveTransforms[p.name]) &&
                              // in compat mode, <template> tags with no special directives
                              // will be rendered as a fragment so its children must be
                              // converted into vnodes.
                              !(node.tag === 'template'))))) {
                  return;
              }
              // pre-convert text nodes into createTextVNode(text) calls to avoid
              // runtime normalization.
              for (let i = 0; i < children.length; i++) {
                  const child = children[i];
                  if (isText(child) || child.type === 8 /* COMPOUND_EXPRESSION */) {
                      const callArgs = [];
                      // createTextVNode defaults to single whitespace, so if it is a
                      // single space the code could be an empty call to save bytes.
                      if (child.type !== 2 /* TEXT */ || child.content !== ' ') {
                          callArgs.push(child);
                      }
                      // mark dynamic text with flag so it gets patched inside a block
                      if (!context.ssr &&
                          getConstantType(child, context) === 0 /* NOT_CONSTANT */) {
                          callArgs.push(1 /* TEXT */ +
                              (` /* ${PatchFlagNames[1 /* TEXT */]} */` ));
                      }
                      children[i] = {
                          type: 12 /* TEXT_CALL */,
                          content: child,
                          loc: child.loc,
                          codegenNode: createCallExpression(context.helper(CREATE_TEXT), callArgs)
                      };
                  }
              }
          };
      }
  };
  
  const seen = new WeakSet();
  const transformOnce = (node, context) => {
      if (node.type === 1 /* ELEMENT */ && findDir(node, 'once', true)) {
          if (seen.has(node) || context.inVOnce) {
              return;
          }
          seen.add(node);
          context.inVOnce = true;
          context.helper(SET_BLOCK_TRACKING);
          return () => {
              context.inVOnce = false;
              const cur = context.currentNode;
              if (cur.codegenNode) {
                  cur.codegenNode = context.cache(cur.codegenNode, true /* isVNode */);
              }
          };
      }
  };
  
  const transformModel$1 = (dir, node, context) => {
      const { exp, arg } = dir;
      if (!exp) {
          context.onError(createCompilerError(41 /* X_V_MODEL_NO_EXPRESSION */, dir.loc));
          return createTransformProps();
      }
      const rawExp = exp.loc.source;
      const expString = exp.type === 4 /* SIMPLE_EXPRESSION */ ? exp.content : rawExp;
      // im SFC <script setup> inline mode, the exp may have been transformed into
      // _unref(exp)
      context.bindingMetadata[rawExp];
      const maybeRef = !true    /* SETUP_CONST */;
      if (!expString.trim() ||
          (!isMemberExpression(expString) && !maybeRef)) {
          context.onError(createCompilerError(42 /* X_V_MODEL_MALFORMED_EXPRESSION */, exp.loc));
          return createTransformProps();
      }
      const propName = arg ? arg : createSimpleExpression('modelValue', true);
      const eventName = arg
          ? isStaticExp(arg)
              ? `onUpdate:${arg.content}`
              : createCompoundExpression(['"onUpdate:" + ', arg])
          : `onUpdate:modelValue`;
      let assignmentExp;
      const eventArg = context.isTS ? `($event: any)` : `$event`;
      {
          assignmentExp = createCompoundExpression([
              `${eventArg} => ((`,
              exp,
              `) = $event)`
          ]);
      }
      const props = [
          // modelValue: foo
          createObjectProperty(propName, dir.exp),
          // "onUpdate:modelValue": $event => (foo = $event)
          createObjectProperty(eventName, assignmentExp)
      ];
      // modelModifiers: { foo: true, "bar-baz": true }
      if (dir.modifiers.length && node.tagType === 1 /* COMPONENT */) {
          const modifiers = dir.modifiers
              .map(m => (isSimpleIdentifier(m) ? m : JSON.stringify(m)) + `: true`)
              .join(`, `);
          const modifiersKey = arg
              ? isStaticExp(arg)
                  ? `${arg.content}Modifiers`
                  : createCompoundExpression([arg, ' + "Modifiers"'])
              : `modelModifiers`;
          props.push(createObjectProperty(modifiersKey, createSimpleExpression(`{ ${modifiers} }`, false, dir.loc, 2 /* CAN_HOIST */)));
      }
      return createTransformProps(props);
  };
  function createTransformProps(props = []) {
      return { props };
  }
  
  const validDivisionCharRE = /[\w).+\-_$\]]/;
  const transformFilter = (node, context) => {
      if (!isCompatEnabled("COMPILER_FILTER" /* COMPILER_FILTERS */, context)) {
          return;
      }
      if (node.type === 5 /* INTERPOLATION */) {
          // filter rewrite is applied before expression transform so only
          // simple expressions are possible at this stage
          rewriteFilter(node.content, context);
      }
      if (node.type === 1 /* ELEMENT */) {
          node.props.forEach((prop) => {
              if (prop.type === 7 /* DIRECTIVE */ &&
                  prop.name !== 'for' &&
                  prop.exp) {
                  rewriteFilter(prop.exp, context);
              }
          });
      }
  };
  function rewriteFilter(node, context) {
      if (node.type === 4 /* SIMPLE_EXPRESSION */) {
          parseFilter(node, context);
      }
      else {
          for (let i = 0; i < node.children.length; i++) {
              const child = node.children[i];
              if (typeof child !== 'object')
                  continue;
              if (child.type === 4 /* SIMPLE_EXPRESSION */) {
                  parseFilter(child, context);
              }
              else if (child.type === 8 /* COMPOUND_EXPRESSION */) {
                  rewriteFilter(node, context);
              }
              else if (child.type === 5 /* INTERPOLATION */) {
                  rewriteFilter(child.content, context);
              }
          }
      }
  }
  function parseFilter(node, context) {
      const exp = node.content;
      let inSingle = false;
      let inDouble = false;
      let inTemplateString = false;
      let inRegex = false;
      let curly = 0;
      let square = 0;
      let paren = 0;
      let lastFilterIndex = 0;
      let c, prev, i, expression, filters = [];
      for (i = 0; i < exp.length; i++) {
          prev = c;
          c = exp.charCodeAt(i);
          if (inSingle) {
              if (c === 0x27 && prev !== 0x5c)
                  inSingle = false;
          }
          else if (inDouble) {
              if (c === 0x22 && prev !== 0x5c)
                  inDouble = false;
          }
          else if (inTemplateString) {
              if (c === 0x60 && prev !== 0x5c)
                  inTemplateString = false;
          }
          else if (inRegex) {
              if (c === 0x2f && prev !== 0x5c)
                  inRegex = false;
          }
          else if (c === 0x7c && // pipe
              exp.charCodeAt(i + 1) !== 0x7c &&
              exp.charCodeAt(i - 1) !== 0x7c &&
              !curly &&
              !square &&
              !paren) {
              if (expression === undefined) {
                  // first filter, end of expression
                  lastFilterIndex = i + 1;
                  expression = exp.slice(0, i).trim();
              }
              else {
                  pushFilter();
              }
          }
          else {
              switch (c) {
                  case 0x22:
                      inDouble = true;
                      break; // "
                  case 0x27:
                      inSingle = true;
                      break; // '
                  case 0x60:
                      inTemplateString = true;
                      break; // `
                  case 0x28:
                      paren++;
                      break; // (
                  case 0x29:
                      paren--;
                      break; // )
                  case 0x5b:
                      square++;
                      break; // [
                  case 0x5d:
                      square--;
                      break; // ]
                  case 0x7b:
                      curly++;
                      break; // {
                  case 0x7d:
                      curly--;
                      break; // }
              }
              if (c === 0x2f) {
                  // /
                  let j = i - 1;
                  let p;
                  // find first non-whitespace prev char
                  for (; j >= 0; j--) {
                      p = exp.charAt(j);
                      if (p !== ' ')
                          break;
                  }
                  if (!p || !validDivisionCharRE.test(p)) {
                      inRegex = true;
                  }
              }
          }
      }
      if (expression === undefined) {
          expression = exp.slice(0, i).trim();
      }
      else if (lastFilterIndex !== 0) {
          pushFilter();
      }
      function pushFilter() {
          filters.push(exp.slice(lastFilterIndex, i).trim());
          lastFilterIndex = i + 1;
      }
      if (filters.length) {
          warnDeprecation("COMPILER_FILTER" /* COMPILER_FILTERS */, context, node.loc);
          for (i = 0; i < filters.length; i++) {
              expression = wrapFilter(expression, filters[i], context);
          }
          node.content = expression;
      }
  }
  function wrapFilter(exp, filter, context) {
      context.helper(RESOLVE_FILTER);
      const i = filter.indexOf('(');
      if (i < 0) {
          context.filters.add(filter);
          return `${toValidAssetId(filter, 'filter')}(${exp})`;
      }
      else {
          const name = filter.slice(0, i);
          const args = filter.slice(i + 1);
          context.filters.add(name);
          return `${toValidAssetId(name, 'filter')}(${exp}${args !== ')' ? ',' + args : args}`;
      }
  }
  
  const seen$1 = new WeakSet();
  const transformMemo = (node, context) => {
      if (node.type === 1 /* ELEMENT */) {
          const dir = findDir(node, 'memo');
          if (!dir || seen$1.has(node)) {
              return;
          }
          seen$1.add(node);
          return () => {
              const codegenNode = node.codegenNode ||
                  context.currentNode.codegenNode;
              if (codegenNode && codegenNode.type === 13 /* VNODE_CALL */) {
                  // non-component sub tree should be turned into a block
                  if (node.tagType !== 1 /* COMPONENT */) {
                      makeBlock(codegenNode, context);
                  }
                  node.codegenNode = createCallExpression(context.helper(WITH_MEMO), [
                      dir.exp,
                      createFunctionExpression(undefined, codegenNode),
                      `_cache`,
                      String(context.cached++)
                  ]);
              }
          };
      }
  };
  
  function getBaseTransformPreset(prefixIdentifiers) {
      return [
          [
              transformOnce,
              transformIf,
              transformMemo,
              transformFor,
              ...([transformFilter] ),
              ...([transformExpression]
                      ),
              transformSlotOutlet,
              transformElement,
              trackSlotScopes,
              transformText
          ],
          {
              on: transformOn$1,
              bind: transformBind,
              model: transformModel$1
          }
      ];
  }
  // we name it `baseCompile` so that higher order compilers like
  // @vue/compiler-dom can export `compile` while re-exporting everything else.
  function baseCompile(template, options = {}) {
      const onError = options.onError || defaultOnError;
      const isModuleMode = options.mode === 'module';
      /* istanbul ignore if */
      {
          if (options.prefixIdentifiers === true) {
              onError(createCompilerError(46 /* X_PREFIX_ID_NOT_SUPPORTED */));
          }
          else if (isModuleMode) {
              onError(createCompilerError(47 /* X_MODULE_MODE_NOT_SUPPORTED */));
          }
      }
      const prefixIdentifiers = !true ;
      if (options.cacheHandlers) {
          onError(createCompilerError(48 /* X_CACHE_HANDLER_NOT_SUPPORTED */));
      }
      if (options.scopeId && !isModuleMode) {
          onError(createCompilerError(49 /* X_SCOPE_ID_NOT_SUPPORTED */));
      }
      const ast = isString(template) ? baseParse(template, options) : template;
      const [nodeTransforms, directiveTransforms] = getBaseTransformPreset();
      transform(ast, extend({}, options, {
          prefixIdentifiers,
          nodeTransforms: [
              ...nodeTransforms,
              ...(options.nodeTransforms || []) // user transforms
          ],
          directiveTransforms: extend({}, directiveTransforms, options.directiveTransforms || {} // user transforms
          )
      }));
      return generate(ast, extend({}, options, {
          prefixIdentifiers
      }));
  }
  
  const noopDirectiveTransform = () => ({ props: [] });
  
  const V_MODEL_RADIO = Symbol(`vModelRadio` );
  const V_MODEL_CHECKBOX = Symbol(`vModelCheckbox` );
  const V_MODEL_TEXT = Symbol(`vModelText` );
  const V_MODEL_SELECT = Symbol(`vModelSelect` );
  const V_MODEL_DYNAMIC = Symbol(`vModelDynamic` );
  const V_ON_WITH_MODIFIERS = Symbol(`vOnModifiersGuard` );
  const V_ON_WITH_KEYS = Symbol(`vOnKeysGuard` );
  const V_SHOW = Symbol(`vShow` );
  const TRANSITION = Symbol(`Transition` );
  const TRANSITION_GROUP = Symbol(`TransitionGroup` );
  registerRuntimeHelpers({
      [V_MODEL_RADIO]: `vModelRadio`,
      [V_MODEL_CHECKBOX]: `vModelCheckbox`,
      [V_MODEL_TEXT]: `vModelText`,
      [V_MODEL_SELECT]: `vModelSelect`,
      [V_MODEL_DYNAMIC]: `vModelDynamic`,
      [V_ON_WITH_MODIFIERS]: `withModifiers`,
      [V_ON_WITH_KEYS]: `withKeys`,
      [V_SHOW]: `vShow`,
      [TRANSITION]: `Transition`,
      [TRANSITION_GROUP]: `TransitionGroup`
  });
  
  /* eslint-disable no-restricted-globals */
  let decoder;
  function decodeHtmlBrowser(raw, asAttr = false) {
      if (!decoder) {
          decoder = document.createElement('div');
      }
      if (asAttr) {
          decoder.innerHTML = `<div foo="${raw.replace(/"/g, '&quot;')}">`;
          return decoder.children[0].getAttribute('foo');
      }
      else {
          decoder.innerHTML = raw;
          return decoder.textContent;
      }
  }
  
  const isRawTextContainer = /*#__PURE__*/ makeMap('style,iframe,script,noscript', true);
  const parserOptions = {
      isVoidTag,
      isNativeTag: tag => isHTMLTag(tag) || isSVGTag(tag),
      isPreTag: tag => tag === 'pre',
      decodeEntities: decodeHtmlBrowser ,
      isBuiltInComponent: (tag) => {
          if (isBuiltInType(tag, `Transition`)) {
              return TRANSITION;
          }
          else if (isBuiltInType(tag, `TransitionGroup`)) {
              return TRANSITION_GROUP;
          }
      },
      // https://html.spec.whatwg.org/multipage/parsing.html#tree-construction-dispatcher
      getNamespace(tag, parent) {
          let ns = parent ? parent.ns : 0 /* HTML */;
          if (parent && ns === 2 /* MATH_ML */) {
              if (parent.tag === 'annotation-xml') {
                  if (tag === 'svg') {
                      return 1 /* SVG */;
                  }
                  if (parent.props.some(a => a.type === 6 /* ATTRIBUTE */ &&
                      a.name === 'encoding' &&
                      a.value != null &&
                      (a.value.content === 'text/html' ||
                          a.value.content === 'application/xhtml+xml'))) {
                      ns = 0 /* HTML */;
                  }
              }
              else if (/^m(?:[ions]|text)$/.test(parent.tag) &&
                  tag !== 'mglyph' &&
                  tag !== 'malignmark') {
                  ns = 0 /* HTML */;
              }
          }
          else if (parent && ns === 1 /* SVG */) {
              if (parent.tag === 'foreignObject' ||
                  parent.tag === 'desc' ||
                  parent.tag === 'title') {
                  ns = 0 /* HTML */;
              }
          }
          if (ns === 0 /* HTML */) {
              if (tag === 'svg') {
                  return 1 /* SVG */;
              }
              if (tag === 'math') {
                  return 2 /* MATH_ML */;
              }
          }
          return ns;
      },
      // https://html.spec.whatwg.org/multipage/parsing.html#parsing-html-fragments
      getTextMode({ tag, ns }) {
          if (ns === 0 /* HTML */) {
              if (tag === 'textarea' || tag === 'title') {
                  return 1 /* RCDATA */;
              }
              if (isRawTextContainer(tag)) {
                  return 2 /* RAWTEXT */;
              }
          }
          return 0 /* DATA */;
      }
  };
  
  // Parse inline CSS strings for static style attributes into an object.
  // This is a NodeTransform since it works on the static `style` attribute and
  // converts it into a dynamic equivalent:
  // style="color: red" -> :style='{ "color": "red" }'
  // It is then processed by `transformElement` and included in the generated
  // props.
  const transformStyle = node => {
      if (node.type === 1 /* ELEMENT */) {
          node.props.forEach((p, i) => {
              if (p.type === 6 /* ATTRIBUTE */ && p.name === 'style' && p.value) {
                  // replace p with an expression node
                  node.props[i] = {
                      type: 7 /* DIRECTIVE */,
                      name: `bind`,
                      arg: createSimpleExpression(`style`, true, p.loc),
                      exp: parseInlineCSS(p.value.content, p.loc),
                      modifiers: [],
                      loc: p.loc
                  };
              }
          });
      }
  };
  const parseInlineCSS = (cssText, loc) => {
      const normalized = parseStringStyle(cssText);
      return createSimpleExpression(JSON.stringify(normalized), false, loc, 3 /* CAN_STRINGIFY */);
  };
  
  function createDOMCompilerError(code, loc) {
      return createCompilerError(code, loc, DOMErrorMessages );
  }
  const DOMErrorMessages = {
      [50 /* X_V_HTML_NO_EXPRESSION */]: `v-html is missing expression.`,
      [51 /* X_V_HTML_WITH_CHILDREN */]: `v-html will override element children.`,
      [52 /* X_V_TEXT_NO_EXPRESSION */]: `v-text is missing expression.`,
      [53 /* X_V_TEXT_WITH_CHILDREN */]: `v-text will override element children.`,
      [54 /* X_V_MODEL_ON_INVALID_ELEMENT */]: `v-model can only be used on <input>, <textarea> and <select> elements.`,
      [55 /* X_V_MODEL_ARG_ON_ELEMENT */]: `v-model argument is not supported on plain elements.`,
      [56 /* X_V_MODEL_ON_FILE_INPUT_ELEMENT */]: `v-model cannot be used on file inputs since they are read-only. Use a v-on:change listener instead.`,
      [57 /* X_V_MODEL_UNNECESSARY_VALUE */]: `Unnecessary value binding used alongside v-model. It will interfere with v-model's behavior.`,
      [58 /* X_V_SHOW_NO_EXPRESSION */]: `v-show is missing expression.`,
      [59 /* X_TRANSITION_INVALID_CHILDREN */]: `<Transition> expects exactly one child element or component.`,
      [60 /* X_IGNORED_SIDE_EFFECT_TAG */]: `Tags with side effect (<script> and <style>) are ignored in client component templates.`
  };
  
  const transformVHtml = (dir, node, context) => {
      const { exp, loc } = dir;
      if (!exp) {
          context.onError(createDOMCompilerError(50 /* X_V_HTML_NO_EXPRESSION */, loc));
      }
      if (node.children.length) {
          context.onError(createDOMCompilerError(51 /* X_V_HTML_WITH_CHILDREN */, loc));
          node.children.length = 0;
      }
      return {
          props: [
              createObjectProperty(createSimpleExpression(`innerHTML`, true, loc), exp || createSimpleExpression('', true))
          ]
      };
  };
  
  const transformVText = (dir, node, context) => {
      const { exp, loc } = dir;
      if (!exp) {
          context.onError(createDOMCompilerError(52 /* X_V_TEXT_NO_EXPRESSION */, loc));
      }
      if (node.children.length) {
          context.onError(createDOMCompilerError(53 /* X_V_TEXT_WITH_CHILDREN */, loc));
          node.children.length = 0;
      }
      return {
          props: [
              createObjectProperty(createSimpleExpression(`textContent`, true), exp
                  ? createCallExpression(context.helperString(TO_DISPLAY_STRING), [exp], loc)
                  : createSimpleExpression('', true))
          ]
      };
  };
  
  const transformModel = (dir, node, context) => {
      const baseResult = transformModel$1(dir, node, context);
      // base transform has errors OR component v-model (only need props)
      if (!baseResult.props.length || node.tagType === 1 /* COMPONENT */) {
          return baseResult;
      }
      if (dir.arg) {
          context.onError(createDOMCompilerError(55 /* X_V_MODEL_ARG_ON_ELEMENT */, dir.arg.loc));
      }
      function checkDuplicatedValue() {
          const value = findProp(node, 'value');
          if (value) {
              context.onError(createDOMCompilerError(57 /* X_V_MODEL_UNNECESSARY_VALUE */, value.loc));
          }
      }
      const { tag } = node;
      const isCustomElement = context.isCustomElement(tag);
      if (tag === 'input' ||
          tag === 'textarea' ||
          tag === 'select' ||
          isCustomElement) {
          let directiveToUse = V_MODEL_TEXT;
          let isInvalidType = false;
          if (tag === 'input' || isCustomElement) {
              const type = findProp(node, `type`);
              if (type) {
                  if (type.type === 7 /* DIRECTIVE */) {
                      // :type="foo"
                      directiveToUse = V_MODEL_DYNAMIC;
                  }
                  else if (type.value) {
                      switch (type.value.content) {
                          case 'radio':
                              directiveToUse = V_MODEL_RADIO;
                              break;
                          case 'checkbox':
                              directiveToUse = V_MODEL_CHECKBOX;
                              break;
                          case 'file':
                              isInvalidType = true;
                              context.onError(createDOMCompilerError(56 /* X_V_MODEL_ON_FILE_INPUT_ELEMENT */, dir.loc));
                              break;
                          default:
                              // text type
                              checkDuplicatedValue();
                              break;
                      }
                  }
              }
              else if (hasDynamicKeyVBind(node)) {
                  // element has bindings with dynamic keys, which can possibly contain
                  // "type".
                  directiveToUse = V_MODEL_DYNAMIC;
              }
              else {
                  // text type
                  checkDuplicatedValue();
              }
          }
          else if (tag === 'select') {
              directiveToUse = V_MODEL_SELECT;
          }
          else {
              // textarea
              checkDuplicatedValue();
          }
          // inject runtime directive
          // by returning the helper symbol via needRuntime
          // the import will replaced a resolveDirective call.
          if (!isInvalidType) {
              baseResult.needRuntime = context.helper(directiveToUse);
          }
      }
      else {
          context.onError(createDOMCompilerError(54 /* X_V_MODEL_ON_INVALID_ELEMENT */, dir.loc));
      }
      // native vmodel doesn't need the `modelValue` props since they are also
      // passed to the runtime as `binding.value`. removing it reduces code size.
      baseResult.props = baseResult.props.filter(p => !(p.key.type === 4 /* SIMPLE_EXPRESSION */ &&
          p.key.content === 'modelValue'));
      return baseResult;
  };
  
  const isEventOptionModifier = /*#__PURE__*/ makeMap(`passive,once,capture`);
  const isNonKeyModifier = /*#__PURE__*/ makeMap(
  // event propagation management
  `stop,prevent,self,` +
      // system modifiers + exact
      `ctrl,shift,alt,meta,exact,` +
      // mouse
      `middle`);
  // left & right could be mouse or key modifiers based on event type
  const maybeKeyModifier = /*#__PURE__*/ makeMap('left,right');
  const isKeyboardEvent = /*#__PURE__*/ makeMap(`onkeyup,onkeydown,onkeypress`, true);
  const resolveModifiers = (key, modifiers, context, loc) => {
      const keyModifiers = [];
      const nonKeyModifiers = [];
      const eventOptionModifiers = [];
      for (let i = 0; i < modifiers.length; i++) {
          const modifier = modifiers[i];
          if (modifier === 'native' &&
              checkCompatEnabled("COMPILER_V_ON_NATIVE" /* COMPILER_V_ON_NATIVE */, context, loc)) {
              eventOptionModifiers.push(modifier);
          }
          else if (isEventOptionModifier(modifier)) {
              // eventOptionModifiers: modifiers for addEventListener() options,
              // e.g. .passive & .capture
              eventOptionModifiers.push(modifier);
          }
          else {
              // runtimeModifiers: modifiers that needs runtime guards
              if (maybeKeyModifier(modifier)) {
                  if (isStaticExp(key)) {
                      if (isKeyboardEvent(key.content)) {
                          keyModifiers.push(modifier);
                      }
                      else {
                          nonKeyModifiers.push(modifier);
                      }
                  }
                  else {
                      keyModifiers.push(modifier);
                      nonKeyModifiers.push(modifier);
                  }
              }
              else {
                  if (isNonKeyModifier(modifier)) {
                      nonKeyModifiers.push(modifier);
                  }
                  else {
                      keyModifiers.push(modifier);
                  }
              }
          }
      }
      return {
          keyModifiers,
          nonKeyModifiers,
          eventOptionModifiers
      };
  };
  const transformClick = (key, event) => {
      const isStaticClick = isStaticExp(key) && key.content.toLowerCase() === 'onclick';
      return isStaticClick
          ? createSimpleExpression(event, true)
          : key.type !== 4 /* SIMPLE_EXPRESSION */
              ? createCompoundExpression([
                  `(`,
                  key,
                  `) === "onClick" ? "${event}" : (`,
                  key,
                  `)`
              ])
              : key;
  };
  const transformOn = (dir, node, context) => {
      return transformOn$1(dir, node, context, baseResult => {
          const { modifiers } = dir;
          if (!modifiers.length)
              return baseResult;
          let { key, value: handlerExp } = baseResult.props[0];
          const { keyModifiers, nonKeyModifiers, eventOptionModifiers } = resolveModifiers(key, modifiers, context, dir.loc);
          // normalize click.right and click.middle since they don't actually fire
          if (nonKeyModifiers.includes('right')) {
              key = transformClick(key, `onContextmenu`);
          }
          if (nonKeyModifiers.includes('middle')) {
              key = transformClick(key, `onMouseup`);
          }
          if (nonKeyModifiers.length) {
              handlerExp = createCallExpression(context.helper(V_ON_WITH_MODIFIERS), [
                  handlerExp,
                  JSON.stringify(nonKeyModifiers)
              ]);
          }
          if (keyModifiers.length &&
              // if event name is dynamic, always wrap with keys guard
              (!isStaticExp(key) || isKeyboardEvent(key.content))) {
              handlerExp = createCallExpression(context.helper(V_ON_WITH_KEYS), [
                  handlerExp,
                  JSON.stringify(keyModifiers)
              ]);
          }
          if (eventOptionModifiers.length) {
              const modifierPostfix = eventOptionModifiers.map(capitalize).join('');
              key = isStaticExp(key)
                  ? createSimpleExpression(`${key.content}${modifierPostfix}`, true)
                  : createCompoundExpression([`(`, key, `) + "${modifierPostfix}"`]);
          }
          return {
              props: [createObjectProperty(key, handlerExp)]
          };
      });
  };
  
  const transformShow = (dir, node, context) => {
      const { exp, loc } = dir;
      if (!exp) {
          context.onError(createDOMCompilerError(58 /* X_V_SHOW_NO_EXPRESSION */, loc));
      }
      return {
          props: [],
          needRuntime: context.helper(V_SHOW)
      };
  };
  
  const warnTransitionChildren = (node, context) => {
      if (node.type === 1 /* ELEMENT */ &&
          node.tagType === 1 /* COMPONENT */) {
          const component = context.isBuiltInComponent(node.tag);
          if (component === TRANSITION) {
              return () => {
                  if (node.children.length && hasMultipleChildren(node)) {
                      context.onError(createDOMCompilerError(59 /* X_TRANSITION_INVALID_CHILDREN */, {
                          start: node.children[0].loc.start,
                          end: node.children[node.children.length - 1].loc.end,
                          source: ''
                      }));
                  }
              };
          }
      }
  };
  function hasMultipleChildren(node) {
      // #1352 filter out potential comment nodes.
      const children = (node.children = node.children.filter(c => c.type !== 3 /* COMMENT */ &&
          !(c.type === 2 /* TEXT */ && !c.content.trim())));
      const child = children[0];
      return (children.length !== 1 ||
          child.type === 11 /* FOR */ ||
          (child.type === 9 /* IF */ && child.branches.some(hasMultipleChildren)));
  }
  
  const ignoreSideEffectTags = (node, context) => {
      if (node.type === 1 /* ELEMENT */ &&
          node.tagType === 0 /* ELEMENT */ &&
          (node.tag === 'script' || node.tag === 'style')) {
          context.onError(createDOMCompilerError(60 /* X_IGNORED_SIDE_EFFECT_TAG */, node.loc));
          context.removeNode();
      }
  };
  
  const DOMNodeTransforms = [
      transformStyle,
      ...([warnTransitionChildren] )
  ];
  const DOMDirectiveTransforms = {
      cloak: noopDirectiveTransform,
      html: transformVHtml,
      text: transformVText,
      model: transformModel,
      on: transformOn,
      show: transformShow
  };
  function compile(template, options = {}) {
      return baseCompile(template, extend({}, parserOptions, options, {
          nodeTransforms: [
              // ignore <script> and <tag>
              // this is not put inside DOMNodeTransforms because that list is used
              // by compiler-ssr to generate vnode fallback branches
              ignoreSideEffectTags,
              ...DOMNodeTransforms,
              ...(options.nodeTransforms || [])
          ],
          directiveTransforms: extend({}, DOMDirectiveTransforms, options.directiveTransforms || {}),
          transformHoist: null 
      }));
  }
  
  function processSlot(source, Vue$1) {
      if (source === void 0) { source = ''; }
      if (Vue$1 === void 0) { Vue$1 = Vue; }
      var template = source.trim();
      var hasWrappingTemplate = template && template.startsWith('<template');
      // allow content without `template` tag, for easier testing
      if (!hasWrappingTemplate) {
          template = "<template #default=\"params\">".concat(template, "</template>");
      }
      // Vue does not provide an easy way to compile template in "slot" mode
      // Since we do not want to rely on compiler internals and specify
      // transforms manually we create fake component invocation with the slot we
      // need and pick slots param from render function later. Fake component will
      // never be instantiated but it requires to be a component so compile
      // properly generate invocation. Since we do not want to monkey-patch
      // `resolveComponent` function we are just using one of built-in components:
      // transition
      var code = compile("<transition>".concat(template, "</transition>"), {
          mode: 'function',
          prefixIdentifiers: true
      }).code;
      var createRenderFunction = new Function('Vue', "'use strict';\n".concat(code) );
      var renderFn = createRenderFunction(Vue$1);
      return function (ctx) {
          if (ctx === void 0) { ctx = {}; }
          var result = renderFn();
          var slotName = Object.keys(result.children)[0];
          return result.children[slotName](ctx);
      };
  }
  
  var isEnabled = false;
  var wrapperInstances = [];
  function disableAutoUnmount() {
      isEnabled = false;
      wrapperInstances.length = 0;
  }
  function enableAutoUnmount(hook) {
      if (isEnabled) {
          throw new Error('enableAutoUnmount cannot be called more than once');
      }
      isEnabled = true;
      hook(function () {
          wrapperInstances.forEach(function (wrapper) {
              wrapper.unmount();
          });
          wrapperInstances.length = 0;
      });
  }
  function trackInstance(wrapper) {
      if (!isEnabled)
          return;
      wrapperInstances.push(wrapper);
  }
  
  var MOUNT_OPTIONS = [
      'attachTo',
      'attrs',
      'data',
      'props',
      'slots',
      'global',
      'shallow'
  ];
  function getInstanceOptions(options) {
      if (options.methods) {
          console.warn("Passing a `methods` option to mount was deprecated on Vue Test Utils v1, and it won't have any effect on v2. For additional info: https://vue-test-utils.vuejs.org/upgrading-to-v1/#setmethods-and-mountingoptions-methods");
          delete options.methods;
      }
      var resultOptions = __assign({}, options);
      for (var _i = 0, _a = Object.keys(options); _i < _a.length; _i++) {
          var key = _a[_i];
          if (MOUNT_OPTIONS.includes(key)) {
              delete resultOptions[key];
          }
      }
      return resultOptions;
  }
  // implementation
  function mount(inputComponent, options) {
      // normalise the incoming component
      var originalComponent = unwrapLegacyVueExtendComponent(inputComponent);
      var component;
      var instanceOptions = getInstanceOptions(options !== null && options !== void 0 ? options : {});
      if (isFunctionalComponent(originalComponent) ||
          isLegacyFunctionalComponent(originalComponent)) {
          component = defineComponent(__assign({ compatConfig: {
                  MODE: 3,
                  INSTANCE_LISTENERS: false,
                  INSTANCE_ATTRS_CLASS_STYLE: false,
                  COMPONENT_FUNCTIONAL: isLegacyFunctionalComponent(originalComponent)
                      ? 'suppress-warning'
                      : false
              }, setup: function (_, _a) {
                  var attrs = _a.attrs, slots = _a.slots;
                  return function () {
                      return h(originalComponent, attrs, slots);
                  };
              } }, instanceOptions));
          addToDoNotStubComponents(originalComponent);
      }
      else if (isObjectComponent(originalComponent)) {
          component = __assign(__assign({}, originalComponent), instanceOptions);
      }
      else {
          component = originalComponent;
      }
      addToDoNotStubComponents(component);
      registerStub({ source: originalComponent, stub: component });
      var el = document.createElement('div');
      if (options === null || options === void 0 ? void 0 : options.attachTo) {
          var to = void 0;
          if (typeof options.attachTo === 'string') {
              to = document.querySelector(options.attachTo);
              if (!to) {
                  throw new Error("Unable to find the element matching the selector ".concat(options.attachTo, " given as the `attachTo` option"));
              }
          }
          else {
              to = options.attachTo;
          }
          to.appendChild(el);
      }
      function slotToFunction(slot) {
          switch (typeof slot) {
              case 'function':
                  return slot;
              case 'object':
                  return function () { return h(slot); };
              case 'string':
                  return processSlot(slot);
              default:
                  throw Error("Invalid slot received.");
          }
      }
      // handle any slots passed via mounting options
      var slots = (options === null || options === void 0 ? void 0 : options.slots) &&
          Object.entries(options.slots).reduce(function (acc, _a) {
              var name = _a[0], slot = _a[1];
              if (Array.isArray(slot)) {
                  var normalized_1 = slot.map(slotToFunction);
                  acc[name] = function (args) { return normalized_1.map(function (f) { return f(args); }); };
                  return acc;
              }
              acc[name] = slotToFunction(slot);
              return acc;
          }, {});
      // override component data with mounting options data
      if (options === null || options === void 0 ? void 0 : options.data) {
          var providedData_1 = options.data();
          if (isObjectComponent(originalComponent)) {
              // component is guaranteed to be the same type as originalComponent
              var objectComponent = component;
              var originalDataFn_1 = originalComponent.data || (function () { return ({}); });
              objectComponent.data = function (vm) { return (__assign(__assign({}, originalDataFn_1.call(vm, vm)), providedData_1)); };
          }
          else {
              throw new Error('data() option is not supported on functional and class components');
          }
      }
      var MOUNT_COMPONENT_REF = 'VTU_COMPONENT';
      // we define props as reactive so that way when we update them with `setProps`
      // Vue's reactivity system will cause a rerender.
      var props = reactive(__assign(__assign(__assign(__assign({}, options === null || options === void 0 ? void 0 : options.attrs), options === null || options === void 0 ? void 0 : options.propsData), options === null || options === void 0 ? void 0 : options.props), { ref: MOUNT_COMPONENT_REF }));
      var global = mergeGlobalProperties(options === null || options === void 0 ? void 0 : options.global);
      if (isObjectComponent(component)) {
          component.components = __assign(__assign({}, component.components), global.components);
      }
      // create the wrapper component
      var Parent = defineComponent({
          name: 'VTU_ROOT',
          render: function () {
              return h(component, props, slots);
          }
      });
      addToDoNotStubComponents(Parent);
      var setProps = function (newProps) {
          for (var _i = 0, _a = Object.entries(newProps); _i < _a.length; _i++) {
              var _b = _a[_i], k = _b[0], v = _b[1];
              props[k] = v;
          }
          return vm.$nextTick();
      };
      // create the app
      var app = createApp(Parent);
      // add tracking for emitted events
      // this must be done after `createApp`: https://github.com/vuejs/vue-test-utils-next/issues/436
      attachEmitListener();
      // global mocks mixin
      if (global === null || global === void 0 ? void 0 : global.mocks) {
          var mixin = {
              beforeCreate: function () {
                  for (var _i = 0, _a = Object.entries(global.mocks); _i < _a.length; _i++) {
                      var _b = _a[_i], k = _b[0], v = _b[1];
                      this[k] = v;
                  }
              }
          };
          app.mixin(mixin);
      }
      // AppConfig
      if (global.config) {
          for (var _i = 0, _a = Object.entries(global.config); _i < _a.length; _i++) {
              var _b = _a[_i], k = _b[0], v = _b[1];
              app.config[k] = v;
          }
      }
      // use and plugins from mounting options
      if (global.plugins) {
          for (var _c = 0, _d = global.plugins; _c < _d.length; _c++) {
              var plugin = _d[_c];
              if (Array.isArray(plugin)) {
                  app.use.apply(app, __spreadArray([plugin[0]], plugin.slice(1), false));
                  continue;
              }
              app.use(plugin);
          }
      }
      // use any mixins from mounting options
      if (global.mixins) {
          for (var _e = 0, _f = global.mixins; _e < _f.length; _e++) {
              var mixin = _f[_e];
              app.mixin(mixin);
          }
      }
      if (global.components) {
          for (var _g = 0, _h = Object.keys(global.components); _g < _h.length; _g++) {
              var key = _h[_g];
              // avoid registering components that are stubbed twice
              if (!(key in global.stubs)) {
                  app.component(key, global.components[key]);
              }
          }
      }
      if (global.directives) {
          for (var _j = 0, _k = Object.keys(global.directives); _j < _k.length; _j++) {
              var key = _k[_j];
              app.directive(key, global.directives[key]);
          }
      }
      // provide any values passed via provides mounting option
      if (global.provide) {
          for (var _l = 0, _m = Reflect.ownKeys(global.provide); _l < _m.length; _l++) {
              var key = _m[_l];
              // @ts-ignore: https://github.com/microsoft/TypeScript/issues/1863
              app.provide(key, global.provide[key]);
          }
      }
      // stubs
      // even if we are using `mount`, we will still
      // stub out Transition and Transition Group by default.
      stubComponents(global.stubs, options === null || options === void 0 ? void 0 : options.shallow, global === null || global === void 0 ? void 0 : global.renderStubDefaultSlot);
      // users expect stubs to work with globally registered
      // components so we register stubs as global components to avoid
      // warning about not being able to resolve component
      //
      // component implementation provided here will never be called
      // but we need name to make sure that stubComponents will
      // properly stub this later by matching stub name
      //
      // ref: https://github.com/vuejs/vue-test-utils-next/issues/249
      // ref: https://github.com/vuejs/vue-test-utils-next/issues/425
      if (global === null || global === void 0 ? void 0 : global.stubs) {
          for (var _o = 0, _p = Object.keys(global.stubs); _o < _p.length; _o++) {
              var name_1 = _p[_o];
              if (!app.component(name_1)) {
                  app.component(name_1, { name: name_1 });
              }
          }
      }
      // mount the app!
      var vm = app.mount(el);
      // Ingore Avoid app logic that relies on enumerating keys on a component instance... warning
      var warnSave = console.warn;
      console.warn = function () { };
      var appRef = vm.$refs[MOUNT_COMPONENT_REF];
      // we add `hasOwnProperty` so jest can spy on the proxied vm without throwing
      appRef.hasOwnProperty = function (property) {
          return Reflect.has(appRef, property);
      };
      console.warn = warnSave;
      var wrapper = createVueWrapper(app, appRef, setProps);
      trackInstance(wrapper);
      return wrapper;
  }
  var shallowMount = function (component, options) {
      return mount(component, __assign(__assign({}, options), { shallow: true }));
  };
  
  // TODO: Borrow typings from vue-router-next
  var RouterLinkStub = defineComponent({
      name: 'RouterLinkStub',
      props: {
          to: {
              type: [String, Object],
              required: true
          }
      },
      render: function () {
          var _a, _b;
          return h('a', undefined, (_b = (_a = this.$slots) === null || _a === void 0 ? void 0 : _a.default) === null || _b === void 0 ? void 0 : _b.call(_a));
      }
  });
  
  var scheduler = typeof setImmediate === 'function' ? setImmediate : setTimeout;
  function flushPromises() {
      return new Promise(function (resolve) {
          scheduler(resolve, 0);
      });
  }
  
  export { DOMWrapper, RouterLinkStub, VueWrapper, config, createWrapperError, disableAutoUnmount, enableAutoUnmount, flushPromises, mount, shallowMount };
  