text: "use strict";
  /**
   * Copyright 2019 Google Inc. All rights reserved.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
      if (k2 === undefined) k2 = k;
      Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
  }) : (function(o, m, k, k2) {
      if (k2 === undefined) k2 = k;
      o[k2] = m[k];
  }));
  var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
      Object.defineProperty(o, "default", { enumerable: true, value: v });
  }) : function(o, v) {
      o["default"] = v;
  });
  var __importStar = (this && this.__importStar) || function (mod) {
      if (mod && mod.__esModule) return mod;
      var result = {};
      if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
      __setModuleDefault(result, mod);
      return result;
  };
  Object.defineProperty(exports, "__esModule", { value: true });
  exports.ElementHandle = exports.JSHandle = exports.createJSHandle = void 0;
  const assert_js_1 = require("./assert.js");
  const helper_js_1 = require("./helper.js");
  const QueryHandler_js_1 = require("./QueryHandler.js");
  const environment_js_1 = require("../environment.js");
  /**
   * @internal
   */
  function createJSHandle(context, remoteObject) {
      const frame = context.frame();
      if (remoteObject.subtype === 'node' && frame) {
          const frameManager = frame._frameManager;
          return new ElementHandle(context, context._client, remoteObject, frame, frameManager.page(), frameManager);
      }
      return new JSHandle(context, context._client, remoteObject);
  }
  exports.createJSHandle = createJSHandle;
  const applyOffsetsToQuad = (quad, offsetX, offsetY) => quad.map((part) => ({ x: part.x + offsetX, y: part.y + offsetY }));
  /**
   * Represents an in-page JavaScript object. JSHandles can be created with the
   * {@link Page.evaluateHandle | page.evaluateHandle} method.
   *
   * @example
   * ```js
   * const windowHandle = await page.evaluateHandle(() => window);
   * ```
   *
   * JSHandle prevents the referenced JavaScript object from being garbage-collected
   * unless the handle is {@link JSHandle.dispose | disposed}. JSHandles are auto-
   * disposed when their origin frame gets navigated or the parent context gets destroyed.
   *
   * JSHandle instances can be used as arguments for {@link Page.$eval},
   * {@link Page.evaluate}, and {@link Page.evaluateHandle}.
   *
   * @public
   */
  class JSHandle {
      /**
       * @internal
       */
      constructor(context, client, remoteObject) {
          /**
           * @internal
           */
          this._disposed = false;
          this._context = context;
          this._client = client;
          this._remoteObject = remoteObject;
      }
      /** Returns the execution context the handle belongs to.
       */
      executionContext() {
          return this._context;
      }
      /**
       * This method passes this handle as the first argument to `pageFunction`.
       * If `pageFunction` returns a Promise, then `handle.evaluate` would wait
       * for the promise to resolve and return its value.
       *
       * @example
       * ```js
       * const tweetHandle = await page.$('.tweet .retweets');
       * expect(await tweetHandle.evaluate(node => node.innerText)).toBe('10');
       * ```
       */
      async evaluate(pageFunction, ...args) {
          return await this.executionContext().evaluate(pageFunction, this, ...args);
      }
      /**
       * This method passes this handle as the first argument to `pageFunction`.
       *
       * @remarks
       *
       * The only difference between `jsHandle.evaluate` and
       * `jsHandle.evaluateHandle` is that `jsHandle.evaluateHandle`
       * returns an in-page object (JSHandle).
       *
       * If the function passed to `jsHandle.evaluateHandle` returns a Promise,
       * then `evaluateHandle.evaluateHandle` waits for the promise to resolve and
       * returns its value.
       *
       * See {@link Page.evaluateHandle} for more details.
       */
      async evaluateHandle(pageFunction, ...args) {
          return await this.executionContext().evaluateHandle(pageFunction, this, ...args);
      }
      /** Fetches a single property from the referenced object.
       */
      async getProperty(propertyName) {
          const objectHandle = await this.evaluateHandle((object, propertyName) => {
              const result = { __proto__: null };
              result[propertyName] = object[propertyName];
              return result;
          }, propertyName);
          const properties = await objectHandle.getProperties();
          const result = properties.get(propertyName);
          (0, assert_js_1.assert)(result instanceof JSHandle);
          await objectHandle.dispose();
          return result;
      }
      /**
       * The method returns a map with property names as keys and JSHandle
       * instances for the property values.
       *
       * @example
       * ```js
       * const listHandle = await page.evaluateHandle(() => document.body.children);
       * const properties = await listHandle.getProperties();
       * const children = [];
       * for (const property of properties.values()) {
       *   const element = property.asElement();
       *   if (element)
       *     children.push(element);
       * }
       * children; // holds elementHandles to all children of document.body
       * ```
       */
      async getProperties() {
          const response = await this._client.send('Runtime.getProperties', {
              objectId: this._remoteObject.objectId,
              ownProperties: true,
          });
          const result = new Map();
          for (const property of response.result) {
              if (!property.enumerable)
                  continue;
              result.set(property.name, createJSHandle(this._context, property.value));
          }
          return result;
      }
      /**
       * @returns Returns a JSON representation of the object.If the object has a
       * `toJSON` function, it will not be called.
       * @remarks
       *
       * The JSON is generated by running {@link https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON/stringify | JSON.stringify}
       * on the object in page and consequent {@link https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON/parse | JSON.parse} in puppeteer.
       * **NOTE** The method throws if the referenced object is not stringifiable.
       */
      async jsonValue() {
          if (this._remoteObject.objectId) {
              const response = await this._client.send('Runtime.callFunctionOn', {
                  functionDeclaration: 'function() { return this; }',
                  objectId: this._remoteObject.objectId,
                  returnByValue: true,
                  awaitPromise: true,
              });
              return helper_js_1.helper.valueFromRemoteObject(response.result);
          }
          return helper_js_1.helper.valueFromRemoteObject(this._remoteObject);
      }
      /**
       * @returns Either `null` or the object handle itself, if the object
       * handle is an instance of {@link ElementHandle}.
       */
      asElement() {
          /*  This always returns null, but subclasses can override this and return an
              ElementHandle.
          */
          return null;
      }
      /**
       * Stops referencing the element handle, and resolves when the object handle is
       * successfully disposed of.
       */
      async dispose() {
          if (this._disposed)
              return;
          this._disposed = true;
          await helper_js_1.helper.releaseObject(this._client, this._remoteObject);
      }
      /**
       * Returns a string representation of the JSHandle.
       *
       * @remarks Useful during debugging.
       */
      toString() {
          if (this._remoteObject.objectId) {
              const type = this._remoteObject.subtype || this._remoteObject.type;
              return 'JSHandle@' + type;
          }
          return 'JSHandle:' + helper_js_1.helper.valueFromRemoteObject(this._remoteObject);
      }
  }
  exports.JSHandle = JSHandle;
  /**
   * ElementHandle represents an in-page DOM element.
   *
   * @remarks
   *
   * ElementHandles can be created with the {@link Page.$} method.
   *
   * ```js
   * const puppeteer = require('puppeteer');
   *
   * (async () => {
   *  const browser = await puppeteer.launch();
   *  const page = await browser.newPage();
   *  await page.goto('https://example.com');
   *  const hrefElement = await page.$('a');
   *  await hrefElement.click();
   *  // ...
   * })();
   * ```
   *
   * ElementHandle prevents the DOM element from being garbage-collected unless the
   * handle is {@link JSHandle.dispose | disposed}. ElementHandles are auto-disposed
   * when their origin frame gets navigated.
   *
   * ElementHandle instances can be used as arguments in {@link Page.$eval} and
   * {@link Page.evaluate} methods.
   *
   * If you're using TypeScript, ElementHandle takes a generic argument that
   * denotes the type of element the handle is holding within. For example, if you
   * have a handle to a `<select>` element, you can type it as
   * `ElementHandle<HTMLSelectElement>` and you get some nicer type checks.
   *
   * @public
   */
  class ElementHandle extends JSHandle {
      /**
       * @internal
       */
      constructor(context, client, remoteObject, frame, page, frameManager) {
          super(context, client, remoteObject);
          this._client = client;
          this._remoteObject = remoteObject;
          this._frame = frame;
          this._page = page;
          this._frameManager = frameManager;
      }
      /**
       * Wait for the `selector` to appear within the element. If at the moment of calling the
       * method the `selector` already exists, the method will return immediately. If
       * the `selector` doesn't appear after the `timeout` milliseconds of waiting, the
       * function will throw.
       *
       * This method does not work across navigations or if the element is detached from DOM.
       *
       * @param selector - A
       * {@link https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Selectors | selector}
       * of an element to wait for
       * @param options - Optional waiting parameters
       * @returns Promise which resolves when element specified by selector string
       * is added to DOM. Resolves to `null` if waiting for hidden: `true` and
       * selector is not found in DOM.
       * @remarks
       * The optional parameters in `options` are:
       *
       * - `visible`: wait for the selected element to be present in DOM and to be
       * visible, i.e. to not have `display: none` or `visibility: hidden` CSS
       * properties. Defaults to `false`.
       *
       * - `hidden`: wait for the selected element to not be found in the DOM or to be hidden,
       * i.e. have `display: none` or `visibility: hidden` CSS properties. Defaults to
       * `false`.
       *
       * - `timeout`: maximum time to wait in milliseconds. Defaults to `30000`
       * (30 seconds). Pass `0` to disable timeout. The default value can be changed
       * by using the {@link Page.setDefaultTimeout} method.
       */
      async waitForSelector(selector, options = {}) {
          const frame = this._context.frame();
          const secondaryContext = await frame._secondaryWorld.executionContext();
          const adoptedRoot = await secondaryContext._adoptElementHandle(this);
          const handle = await frame._secondaryWorld.waitForSelector(selector, {
              ...options,
              root: adoptedRoot,
          });
          await adoptedRoot.dispose();
          if (!handle)
              return null;
          const mainExecutionContext = await frame._mainWorld.executionContext();
          const result = await mainExecutionContext._adoptElementHandle(handle);
          await handle.dispose();
          return result;
      }
      asElement() {
          return this;
      }
      /**
       * Resolves to the content frame for element handles referencing
       * iframe nodes, or null otherwise
       */
      async contentFrame() {
          const nodeInfo = await this._client.send('DOM.describeNode', {
              objectId: this._remoteObject.objectId,
          });
          if (typeof nodeInfo.node.frameId !== 'string')
              return null;
          return this._frameManager.frame(nodeInfo.node.frameId);
      }
      async _scrollIntoViewIfNeeded() {
          const error = await this.evaluate(async (element, pageJavascriptEnabled) => {
              if (!element.isConnected)
                  return 'Node is detached from document';
              if (element.nodeType !== Node.ELEMENT_NODE)
                  return 'Node is not of type HTMLElement';
              // force-scroll if page's javascript is disabled.
              if (!pageJavascriptEnabled) {
                  element.scrollIntoView({
                      block: 'center',
                      inline: 'center',
                      // @ts-expect-error Chrome still supports behavior: instant but
                      // it's not in the spec so TS shouts We don't want to make this
                      // breaking change in Puppeteer yet so we'll ignore the line.
                      behavior: 'instant',
                  });
                  return false;
              }
              const visibleRatio = await new Promise((resolve) => {
                  const observer = new IntersectionObserver((entries) => {
                      resolve(entries[0].intersectionRatio);
                      observer.disconnect();
                  });
                  observer.observe(element);
              });
              if (visibleRatio !== 1.0) {
                  element.scrollIntoView({
                      block: 'center',
                      inline: 'center',
                      // @ts-expect-error Chrome still supports behavior: instant but
                      // it's not in the spec so TS shouts We don't want to make this
                      // breaking change in Puppeteer yet so we'll ignore the line.
                      behavior: 'instant',
                  });
              }
              return false;
          }, this._page.isJavaScriptEnabled());
          if (error)
              throw new Error(error);
      }
      async _getOOPIFOffsets(frame) {
          let offsetX = 0;
          let offsetY = 0;
          while (frame.parentFrame()) {
              const parent = frame.parentFrame();
              if (!frame.isOOPFrame()) {
                  frame = parent;
                  continue;
              }
              const { backendNodeId } = await parent._client.send('DOM.getFrameOwner', {
                  frameId: frame._id,
              });
              const result = await parent._client.send('DOM.getBoxModel', {
                  backendNodeId: backendNodeId,
              });
              if (!result) {
                  break;
              }
              const contentBoxQuad = result.model.content;
              const topLeftCorner = this._fromProtocolQuad(contentBoxQuad)[0];
              offsetX += topLeftCorner.x;
              offsetY += topLeftCorner.y;
              frame = parent;
          }
          return { offsetX, offsetY };
      }
      /**
       * Returns the middle point within an element unless a specific offset is provided.
       */
      async clickablePoint(offset) {
          const [result, layoutMetrics] = await Promise.all([
              this._client
                  .send('DOM.getContentQuads', {
                  objectId: this._remoteObject.objectId,
              })
                  .catch(helper_js_1.debugError),
              this._page.client().send('Page.getLayoutMetrics'),
          ]);
          if (!result || !result.quads.length)
              throw new Error('Node is either not clickable or not an HTMLElement');
          // Filter out quads that have too small area to click into.
          // Fallback to `layoutViewport` in case of using Firefox.
          const { clientWidth, clientHeight } = layoutMetrics.cssLayoutViewport || layoutMetrics.layoutViewport;
          const { offsetX, offsetY } = await this._getOOPIFOffsets(this._frame);
          const quads = result.quads
              .map((quad) => this._fromProtocolQuad(quad))
              .map((quad) => applyOffsetsToQuad(quad, offsetX, offsetY))
              .map((quad) => this._intersectQuadWithViewport(quad, clientWidth, clientHeight))
              .filter((quad) => computeQuadArea(quad) > 1);
          if (!quads.length)
              throw new Error('Node is either not clickable or not an HTMLElement');
          const quad = quads[0];
          if (offset) {
              // Return the point of the first quad identified by offset.
              let minX = Number.MAX_SAFE_INTEGER;
              let minY = Number.MAX_SAFE_INTEGER;
              for (const point of quad) {
                  if (point.x < minX) {
                      minX = point.x;
                  }
                  if (point.y < minY) {
                      minY = point.y;
                  }
              }
              if (minX !== Number.MAX_SAFE_INTEGER &&
                  minY !== Number.MAX_SAFE_INTEGER) {
                  return {
                      x: minX + offset.x,
                      y: minY + offset.y,
                  };
              }
          }
          // Return the middle point of the first quad.
          let x = 0;
          let y = 0;
          for (const point of quad) {
              x += point.x;
              y += point.y;
          }
          return {
              x: x / 4,
              y: y / 4,
          };
      }
      _getBoxModel() {
          const params = {
              objectId: this._remoteObject.objectId,
          };
          return this._client
              .send('DOM.getBoxModel', params)
              .catch((error) => (0, helper_js_1.debugError)(error));
      }
      _fromProtocolQuad(quad) {
          return [
              { x: quad[0], y: quad[1] },
              { x: quad[2], y: quad[3] },
              { x: quad[4], y: quad[5] },
              { x: quad[6], y: quad[7] },
          ];
      }
      _intersectQuadWithViewport(quad, width, height) {
          return quad.map((point) => ({
              x: Math.min(Math.max(point.x, 0), width),
              y: Math.min(Math.max(point.y, 0), height),
          }));
      }
      /**
       * This method scrolls element into view if needed, and then
       * uses {@link Page.mouse} to hover over the center of the element.
       * If the element is detached from DOM, the method throws an error.
       */
      async hover() {
          await this._scrollIntoViewIfNeeded();
          const { x, y } = await this.clickablePoint();
          await this._page.mouse.move(x, y);
      }
      /**
       * This method scrolls element into view if needed, and then
       * uses {@link Page.mouse} to click in the center of the element.
       * If the element is detached from DOM, the method throws an error.
       */
      async click(options = {}) {
          await this._scrollIntoViewIfNeeded();
          const { x, y } = await this.clickablePoint(options.offset);
          await this._page.mouse.click(x, y, options);
      }
      /**
       * This method creates and captures a dragevent from the element.
       */
      async drag(target) {
          (0, assert_js_1.assert)(this._page.isDragInterceptionEnabled(), 'Drag Interception is not enabled!');
          await this._scrollIntoViewIfNeeded();
          const start = await this.clickablePoint();
          return await this._page.mouse.drag(start, target);
      }
      /**
       * This method creates a `dragenter` event on the element.
       */
      async dragEnter(data = { items: [], dragOperationsMask: 1 }) {
          await this._scrollIntoViewIfNeeded();
          const target = await this.clickablePoint();
          await this._page.mouse.dragEnter(target, data);
      }
      /**
       * This method creates a `dragover` event on the element.
       */
      async dragOver(data = { items: [], dragOperationsMask: 1 }) {
          await this._scrollIntoViewIfNeeded();
          const target = await this.clickablePoint();
          await this._page.mouse.dragOver(target, data);
      }
      /**
       * This method triggers a drop on the element.
       */
      async drop(data = { items: [], dragOperationsMask: 1 }) {
          await this._scrollIntoViewIfNeeded();
          const destination = await this.clickablePoint();
          await this._page.mouse.drop(destination, data);
      }
      /**
       * This method triggers a dragenter, dragover, and drop on the element.
       */
      async dragAndDrop(target, options) {
          await this._scrollIntoViewIfNeeded();
          const startPoint = await this.clickablePoint();
          const targetPoint = await target.clickablePoint();
          await this._page.mouse.dragAndDrop(startPoint, targetPoint, options);
      }
      /**
       * Triggers a `change` and `input` event once all the provided options have been
       * selected. If there's no `<select>` element matching `selector`, the method
       * throws an error.
       *
       * @example
       * ```js
       * handle.select('blue'); // single selection
       * handle.select('red', 'green', 'blue'); // multiple selections
       * ```
       * @param values - Values of options to select. If the `<select>` has the
       *    `multiple` attribute, all values are considered, otherwise only the first
       *    one is taken into account.
       */
      async select(...values) {
          for (const value of values)
              (0, assert_js_1.assert)(helper_js_1.helper.isString(value), 'Values must be strings. Found value "' +
                  value +
                  '" of type "' +
                  typeof value +
                  '"');
          return this.evaluate((element, values) => {
              if (!(element instanceof HTMLSelectElement))
                  throw new Error('Element is not a <select> element.');
              const options = Array.from(element.options);
              element.value = undefined;
              for (const option of options) {
                  option.selected = values.includes(option.value);
                  if (option.selected && !element.multiple)
                      break;
              }
              element.dispatchEvent(new Event('input', { bubbles: true }));
              element.dispatchEvent(new Event('change', { bubbles: true }));
              return options
                  .filter((option) => option.selected)
                  .map((option) => option.value);
          }, values);
      }
      /**
       * This method expects `elementHandle` to point to an
       * {@link https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input | input element}.
       * @param filePaths - Sets the value of the file input to these paths.
       *    If some of the  `filePaths` are relative paths, then they are resolved
       *    relative to the {@link https://nodejs.org/api/process.html#process_process_cwd | current working directory}
       */
      async uploadFile(...filePaths) {
          const isMultiple = await this.evaluate((element) => {
              if (!(element instanceof HTMLInputElement)) {
                  throw new Error('uploadFile can only be called on an input element.');
              }
              return element.multiple;
          });
          (0, assert_js_1.assert)(filePaths.length <= 1 || isMultiple, 'Multiple file uploads only work with <input type=file multiple>');
          if (!environment_js_1.isNode) {
              throw new Error(`JSHandle#uploadFile can only be used in Node environments.`);
          }
          /*
           This import is only needed for `uploadFile`, so keep it scoped here to
           avoid paying the cost unnecessarily.
          */
          const path = await Promise.resolve().then(() => __importStar(require('path')));
          const fs = await helper_js_1.helper.importFSModule();
          // Locate all files and confirm that they exist.
          const files = await Promise.all(filePaths.map(async (filePath) => {
              const resolvedPath = path.resolve(filePath);
              try {
                  await fs.promises.access(resolvedPath, fs.constants.R_OK);
              }
              catch (error) {
                  if (error.code === 'ENOENT')
                      throw new Error(`${filePath} does not exist or is not readable`);
              }
              return resolvedPath;
          }));
          const { objectId } = this._remoteObject;
          const { node } = await this._client.send('DOM.describeNode', { objectId });
          const { backendNodeId } = node;
          /*  The zero-length array is a special case, it seems that
              DOM.setFileInputFiles does not actually update the files in that case,
              so the solution is to eval the element value to a new FileList directly.
          */
          if (files.length === 0) {
              await this.evaluate((element) => {
                  element.files = new DataTransfer().files;
                  // Dispatch events for this case because it should behave akin to a user action.
                  element.dispatchEvent(new Event('input', { bubbles: true }));
                  element.dispatchEvent(new Event('change', { bubbles: true }));
              });
          }
          else {
              await this._client.send('DOM.setFileInputFiles', {
                  objectId,
                  files,
                  backendNodeId,
              });
          }
      }
      /**
       * This method scrolls element into view if needed, and then uses
       * {@link Touchscreen.tap} to tap in the center of the element.
       * If the element is detached from DOM, the method throws an error.
       */
      async tap() {
          await this._scrollIntoViewIfNeeded();
          const { x, y } = await this.clickablePoint();
          await this._page.touchscreen.tap(x, y);
      }
      /**
       * Calls {@link https://developer.mozilla.org/en-US/docs/Web/API/HTMLElement/focus | focus} on the element.
       */
      async focus() {
          await this.evaluate((element) => element.focus());
      }
      /**
       * Focuses the element, and then sends a `keydown`, `keypress`/`input`, and
       * `keyup` event for each character in the text.
       *
       * To press a special key, like `Control` or `ArrowDown`,
       * use {@link ElementHandle.press}.
       *
       * @example
       * ```js
       * await elementHandle.type('Hello'); // Types instantly
       * await elementHandle.type('World', {delay: 100}); // Types slower, like a user
       * ```
       *
       * @example
       * An example of typing into a text field and then submitting the form:
       *
       * ```js
       * const elementHandle = await page.$('input');
       * await elementHandle.type('some text');
       * await elementHandle.press('Enter');
       * ```
       */
      async type(text, options) {
          await this.focus();
          await this._page.keyboard.type(text, options);
      }
      /**
       * Focuses the element, and then uses {@link Keyboard.down} and {@link Keyboard.up}.
       *
       * @remarks
       * If `key` is a single character and no modifier keys besides `Shift`
       * are being held down, a `keypress`/`input` event will also be generated.
       * The `text` option can be specified to force an input event to be generated.
       *
       * **NOTE** Modifier keys DO affect `elementHandle.press`. Holding down `Shift`
       * will type the text in upper case.
       *
       * @param key - Name of key to press, such as `ArrowLeft`.
       *    See {@link KeyInput} for a list of all key names.
       */
      async press(key, options) {
          await this.focus();
          await this._page.keyboard.press(key, options);
      }
      /**
       * This method returns the bounding box of the element (relative to the main frame),
       * or `null` if the element is not visible.
       */
      async boundingBox() {
          const result = await this._getBoxModel();
          if (!result)
              return null;
          const { offsetX, offsetY } = await this._getOOPIFOffsets(this._frame);
          const quad = result.model.border;
          const x = Math.min(quad[0], quad[2], quad[4], quad[6]);
          const y = Math.min(quad[1], quad[3], quad[5], quad[7]);
          const width = Math.max(quad[0], quad[2], quad[4], quad[6]) - x;
          const height = Math.max(quad[1], quad[3], quad[5], quad[7]) - y;
          return { x: x + offsetX, y: y + offsetY, width, height };
      }
      /**
       * This method returns boxes of the element, or `null` if the element is not visible.
       *
       * @remarks
       *
       * Boxes are represented as an array of points;
       * Each Point is an object `{x, y}`. Box points are sorted clock-wise.
       */
      async boxModel() {
          const result = await this._getBoxModel();
          if (!result)
              return null;
          const { offsetX, offsetY } = await this._getOOPIFOffsets(this._frame);
          const { content, padding, border, margin, width, height } = result.model;
          return {
              content: applyOffsetsToQuad(this._fromProtocolQuad(content), offsetX, offsetY),
              padding: applyOffsetsToQuad(this._fromProtocolQuad(padding), offsetX, offsetY),
              border: applyOffsetsToQuad(this._fromProtocolQuad(border), offsetX, offsetY),
              margin: applyOffsetsToQuad(this._fromProtocolQuad(margin), offsetX, offsetY),
              width,
              height,
          };
      }
      /**
       * This method scrolls element into view if needed, and then uses
       * {@link Page.screenshot} to take a screenshot of the element.
       * If the element is detached from DOM, the method throws an error.
       */
      async screenshot(options = {}) {
          let needsViewportReset = false;
          let boundingBox = await this.boundingBox();
          (0, assert_js_1.assert)(boundingBox, 'Node is either not visible or not an HTMLElement');
          const viewport = this._page.viewport();
          if (viewport &&
              (boundingBox.width > viewport.width ||
                  boundingBox.height > viewport.height)) {
              const newViewport = {
                  width: Math.max(viewport.width, Math.ceil(boundingBox.width)),
                  height: Math.max(viewport.height, Math.ceil(boundingBox.height)),
              };
              await this._page.setViewport(Object.assign({}, viewport, newViewport));
              needsViewportReset = true;
          }
          await this._scrollIntoViewIfNeeded();
          boundingBox = await this.boundingBox();
          (0, assert_js_1.assert)(boundingBox, 'Node is either not visible or not an HTMLElement');
          (0, assert_js_1.assert)(boundingBox.width !== 0, 'Node has 0 width.');
          (0, assert_js_1.assert)(boundingBox.height !== 0, 'Node has 0 height.');
          const layoutMetrics = await this._client.send('Page.getLayoutMetrics');
          // Fallback to `layoutViewport` in case of using Firefox.
          const { pageX, pageY } = layoutMetrics.cssVisualViewport || layoutMetrics.layoutViewport;
          const clip = Object.assign({}, boundingBox);
          clip.x += pageX;
          clip.y += pageY;
          const imageData = await this._page.screenshot(Object.assign({}, {
              clip,
          }, options));
          if (needsViewportReset)
              await this._page.setViewport(viewport);
          return imageData;
      }
      /**
       * Runs `element.querySelector` within the page. If no element matches the selector,
       * the return value resolves to `null`.
       */
      async $(selector) {
          const { updatedSelector, queryHandler } = (0, QueryHandler_js_1.getQueryHandlerAndSelector)(selector);
          return queryHandler.queryOne(this, updatedSelector);
      }
      /**
       * Runs `element.querySelectorAll` within the page. If no elements match the selector,
       * the return value resolves to `[]`.
       */
      async $$(selector) {
          const { updatedSelector, queryHandler } = (0, QueryHandler_js_1.getQueryHandlerAndSelector)(selector);
          return queryHandler.queryAll(this, updatedSelector);
      }
      /**
       * This method runs `document.querySelector` within the element and passes it as
       * the first argument to `pageFunction`. If there's no element matching `selector`,
       * the method throws an error.
       *
       * If `pageFunction` returns a Promise, then `frame.$eval` would wait for the promise
       * to resolve and return its value.
       *
       * @example
       * ```js
       * const tweetHandle = await page.$('.tweet');
       * expect(await tweetHandle.$eval('.like', node => node.innerText)).toBe('100');
       * expect(await tweetHandle.$eval('.retweets', node => node.innerText)).toBe('10');
       * ```
       */
      async $eval(selector, pageFunction, ...args) {
          const elementHandle = await this.$(selector);
          if (!elementHandle)
              throw new Error(`Error: failed to find element matching selector "${selector}"`);
          const result = await elementHandle.evaluate(pageFunction, ...args);
          await elementHandle.dispose();
          /**
           * This `as` is a little unfortunate but helps TS understand the behavior of
           * `elementHandle.evaluate`. If evaluate returns an element it will return an
           * ElementHandle instance, rather than the plain object. All the
           * WrapElementHandle type does is wrap ReturnType into
           * ElementHandle<ReturnType> if it is an ElementHandle, or leave it alone as
           * ReturnType if it isn't.
           */
          return result;
      }
      /**
       * This method runs `document.querySelectorAll` within the element and passes it as
       * the first argument to `pageFunction`. If there's no element matching `selector`,
       * the method throws an error.
       *
       * If `pageFunction` returns a Promise, then `frame.$$eval` would wait for the
       * promise to resolve and return its value.
       *
       * @example
       * ```html
       * <div class="feed">
       *   <div class="tweet">Hello!</div>
       *   <div class="tweet">Hi!</div>
       * </div>
       * ```
       *
       * @example
       * ```js
       * const feedHandle = await page.$('.feed');
       * expect(await feedHandle.$$eval('.tweet', nodes => nodes.map(n => n.innerText)))
       *  .toEqual(['Hello!', 'Hi!']);
       * ```
       */
      async $$eval(selector, pageFunction, ...args) {
          const { updatedSelector, queryHandler } = (0, QueryHandler_js_1.getQueryHandlerAndSelector)(selector);
          const arrayHandle = await queryHandler.queryAllArray(this, updatedSelector);
          const result = await arrayHandle.evaluate(pageFunction, ...args);
          await arrayHandle.dispose();
          /* This `as` exists for the same reason as the `as` in $eval above.
           * See the comment there for a full explanation.
           */
          return result;
      }
      /**
       * The method evaluates the XPath expression relative to the elementHandle.
       * If there are no such elements, the method will resolve to an empty array.
       * @param expression - Expression to {@link https://developer.mozilla.org/en-US/docs/Web/API/Document/evaluate | evaluate}
       */
      async $x(expression) {
          const arrayHandle = await this.evaluateHandle((element, expression) => {
              const document = element.ownerDocument || element;
              const iterator = document.evaluate(expression, element, null, XPathResult.ORDERED_NODE_ITERATOR_TYPE);
              const array = [];
              let item;
              while ((item = iterator.iterateNext()))
                  array.push(item);
              return array;
          }, expression);
          const properties = await arrayHandle.getProperties();
          await arrayHandle.dispose();
          const result = [];
          for (const property of properties.values()) {
              const elementHandle = property.asElement();
              if (elementHandle)
                  result.push(elementHandle);
          }
          return result;
      }
      /**
       * Resolves to true if the element is visible in the current viewport.
       */
      async isIntersectingViewport(options) {
          const { threshold = 0 } = options || {};
          return await this.evaluate(async (element, threshold) => {
              const visibleRatio = await new Promise((resolve) => {
                  const observer = new IntersectionObserver((entries) => {
                      resolve(entries[0].intersectionRatio);
                      observer.disconnect();
                  });
                  observer.observe(element);
              });
              return threshold === 1 ? visibleRatio === 1 : visibleRatio > threshold;
          }, threshold);
      }
  }
  exports.ElementHandle = ElementHandle;
  function computeQuadArea(quad) {
      /* Compute sum of all directed areas of adjacent triangles
        https://en.wikipedia.org/wiki/Polygon#Simple_polygons
      */
      let area = 0;
      for (let i = 0; i < quad.length; ++i) {
          const p1 = quad[i];
          const p2 = quad[(i + 1) % quad.length];
          area += (p1.x * p2.y - p2.x * p1.y) / 2;
      }
      return Math.abs(area);
  }
  //# sourceMappingURL=JSHandle.js.map