text: import { basename, extname, dirname, sep, join, resolve } from 'path';
  import { makeLegalIdentifier, attachScopes, extractAssignedNames, createFilter } from '@rollup/pluginutils';
  import getCommonDir from 'commondir';
  import { existsSync, readFileSync, statSync } from 'fs';
  import glob from 'glob';
  import { walk } from 'estree-walker';
  import MagicString from 'magic-string';
  import isReference from 'is-reference';
  import { sync } from 'resolve';
  
  var peerDependencies = {
  	rollup: "^2.30.0"
  };
  
  function tryParse(parse, code, id) {
    try {
      return parse(code, { allowReturnOutsideFunction: true });
    } catch (err) {
      err.message += ` in ${id}`;
      throw err;
    }
  }
  
  const firstpassGlobal = /\b(?:require|module|exports|global)\b/;
  
  const firstpassNoGlobal = /\b(?:require|module|exports)\b/;
  
  function hasCjsKeywords(code, ignoreGlobal) {
    const firstpass = ignoreGlobal ? firstpassNoGlobal : firstpassGlobal;
    return firstpass.test(code);
  }
  
  /* eslint-disable no-underscore-dangle */
  
  function analyzeTopLevelStatements(parse, code, id) {
    const ast = tryParse(parse, code, id);
  
    let isEsModule = false;
    let hasDefaultExport = false;
    let hasNamedExports = false;
  
    for (const node of ast.body) {
      switch (node.type) {
        case 'ExportDefaultDeclaration':
          isEsModule = true;
          hasDefaultExport = true;
          break;
        case 'ExportNamedDeclaration':
          isEsModule = true;
          if (node.declaration) {
            hasNamedExports = true;
          } else {
            for (const specifier of node.specifiers) {
              if (specifier.exported.name === 'default') {
                hasDefaultExport = true;
              } else {
                hasNamedExports = true;
              }
            }
          }
          break;
        case 'ExportAllDeclaration':
          isEsModule = true;
          if (node.exported && node.exported.name === 'default') {
            hasDefaultExport = true;
          } else {
            hasNamedExports = true;
          }
          break;
        case 'ImportDeclaration':
          isEsModule = true;
          break;
      }
    }
  
    return { isEsModule, hasDefaultExport, hasNamedExports, ast };
  }
  
  const isWrappedId = (id, suffix) => id.endsWith(suffix);
  const wrapId = (id, suffix) => `\0${id}${suffix}`;
  const unwrapId = (wrappedId, suffix) => wrappedId.slice(1, -suffix.length);
  
  const PROXY_SUFFIX = '?commonjs-proxy';
  const REQUIRE_SUFFIX = '?commonjs-require';
  const EXTERNAL_SUFFIX = '?commonjs-external';
  
  const DYNAMIC_REGISTER_SUFFIX = '?commonjs-dynamic-register';
  const DYNAMIC_JSON_PREFIX = '\0commonjs-dynamic-json:';
  const DYNAMIC_PACKAGES_ID = '\0commonjs-dynamic-packages';
  
  const HELPERS_ID = '\0commonjsHelpers.js';
  
  // `x['default']` is used instead of `x.default` for backward compatibility with ES3 browsers.
  // Minifiers like uglify will usually transpile it back if compatibility with ES3 is not enabled.
  // This will no longer be necessary once Rollup switches to ES6 output, likely
  // in Rollup 3
  
  const HELPERS = `
  export var commonjsGlobal = typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};
  
  export function getDefaultExportFromCjs (x) {
  	return x && x.__esModule && Object.prototype.hasOwnProperty.call(x, 'default') ? x['default'] : x;
  }
  
  export function getDefaultExportFromNamespaceIfPresent (n) {
  	return n && Object.prototype.hasOwnProperty.call(n, 'default') ? n['default'] : n;
  }
  
  export function getDefaultExportFromNamespaceIfNotNamed (n) {
  	return n && Object.prototype.hasOwnProperty.call(n, 'default') && Object.keys(n).length === 1 ? n['default'] : n;
  }
  
  export function getAugmentedNamespace(n) {
  	if (n.__esModule) return n;
  	var a = Object.defineProperty({}, '__esModule', {value: true});
  	Object.keys(n).forEach(function (k) {
  		var d = Object.getOwnPropertyDescriptor(n, k);
  		Object.defineProperty(a, k, d.get ? d : {
  			enumerable: true,
  			get: function () {
  				return n[k];
  			}
  		});
  	});
  	return a;
  }
  `;
  
  const FAILED_REQUIRE_ERROR = `throw new Error('Could not dynamically require "' + path + '". Please configure the dynamicRequireTargets or/and ignoreDynamicRequires option of @rollup/plugin-commonjs appropriately for this require call to work.');`;
  
  const HELPER_NON_DYNAMIC = `
  export function createCommonjsModule(fn) {
    var module = { exports: {} }
  	return fn(module, module.exports), module.exports;
  }
  
  export function commonjsRequire (path) {
  	${FAILED_REQUIRE_ERROR}
  }
  `;
  
  const getDynamicHelpers = (ignoreDynamicRequires) => `
  export function createCommonjsModule(fn, basedir, module) {
  	return module = {
  		path: basedir,
  		exports: {},
  		require: function (path, base) {
  			return commonjsRequire(path, (base === undefined || base === null) ? module.path : base);
  		}
  	}, fn(module, module.exports), module.exports;
  }
  
  export function commonjsRegister (path, loader) {
  	DYNAMIC_REQUIRE_LOADERS[path] = loader;
  }
  
  const DYNAMIC_REQUIRE_LOADERS = Object.create(null);
  const DYNAMIC_REQUIRE_CACHE = Object.create(null);
  const DEFAULT_PARENT_MODULE = {
  	id: '<' + 'rollup>', exports: {}, parent: undefined, filename: null, loaded: false, children: [], paths: []
  };
  const CHECKED_EXTENSIONS = ['', '.js', '.json'];
  
  function normalize (path) {
  	path = path.replace(/\\\\/g, '/');
  	const parts = path.split('/');
  	const slashed = parts[0] === '';
  	for (let i = 1; i < parts.length; i++) {
  		if (parts[i] === '.' || parts[i] === '') {
  			parts.splice(i--, 1);
  		}
  	}
  	for (let i = 1; i < parts.length; i++) {
  		if (parts[i] !== '..') continue;
  		if (i > 0 && parts[i - 1] !== '..' && parts[i - 1] !== '.') {
  			parts.splice(--i, 2);
  			i--;
  		}
  	}
  	path = parts.join('/');
  	if (slashed && path[0] !== '/')
  	  path = '/' + path;
  	else if (path.length === 0)
  	  path = '.';
  	return path;
  }
  
  function join () {
  	if (arguments.length === 0)
  	  return '.';
  	let joined;
  	for (let i = 0; i < arguments.length; ++i) {
  	  let arg = arguments[i];
  	  if (arg.length > 0) {
  		if (joined === undefined)
  		  joined = arg;
  		else
  		  joined += '/' + arg;
  	  }
  	}
  	if (joined === undefined)
  	  return '.';
  
  	return joined;
  }
  
  function isPossibleNodeModulesPath (modulePath) {
  	let c0 = modulePath[0];
  	if (c0 === '/' || c0 === '\\\\') return false;
  	let c1 = modulePath[1], c2 = modulePath[2];
  	if ((c0 === '.' && (!c1 || c1 === '/' || c1 === '\\\\')) ||
  		(c0 === '.' && c1 === '.' && (!c2 || c2 === '/' || c2 === '\\\\'))) return false;
  	if (c1 === ':' && (c2 === '/' || c2 === '\\\\'))
  		return false;
  	return true;
  }
  
  function dirname (path) {
    if (path.length === 0)
      return '.';
  
    let i = path.length - 1;
    while (i > 0) {
      const c = path.charCodeAt(i);
      if ((c === 47 || c === 92) && i !== path.length - 1)
        break;
      i--;
    }
  
    if (i > 0)
      return path.substr(0, i);
  
    if (path.chartCodeAt(0) === 47 || path.chartCodeAt(0) === 92)
      return path.charAt(0);
  
    return '.';
  }
  
  export function commonjsResolveImpl (path, originalModuleDir, testCache) {
  	const shouldTryNodeModules = isPossibleNodeModulesPath(path);
  	path = normalize(path);
  	let relPath;
  	if (path[0] === '/') {
  		originalModuleDir = '/';
  	}
  	while (true) {
  		if (!shouldTryNodeModules) {
  			relPath = originalModuleDir ? normalize(originalModuleDir + '/' + path) : path;
  		} else if (originalModuleDir) {
  			relPath = normalize(originalModuleDir + '/node_modules/' + path);
  		} else {
  			relPath = normalize(join('node_modules', path));
  		}
  
  		if (relPath.endsWith('/..')) {
  			break; // Travelled too far up, avoid infinite loop
  		}
  
  		for (let extensionIndex = 0; extensionIndex < CHECKED_EXTENSIONS.length; extensionIndex++) {
  			const resolvedPath = relPath + CHECKED_EXTENSIONS[extensionIndex];
  			if (DYNAMIC_REQUIRE_CACHE[resolvedPath]) {
  				return resolvedPath;
  			};
  			if (DYNAMIC_REQUIRE_LOADERS[resolvedPath]) {
  				return resolvedPath;
  			};
  		}
  		if (!shouldTryNodeModules) break;
  		const nextDir = normalize(originalModuleDir + '/..');
  		if (nextDir === originalModuleDir) break;
  		originalModuleDir = nextDir;
  	}
  	return null;
  }
  
  export function commonjsResolve (path, originalModuleDir) {
  	const resolvedPath = commonjsResolveImpl(path, originalModuleDir);
  	if (resolvedPath !== null) {
  		return resolvedPath;
  	}
  	return require.resolve(path);
  }
  
  export function commonjsRequire (path, originalModuleDir) {
  	const resolvedPath = commonjsResolveImpl(path, originalModuleDir, true);
  	if (resolvedPath !== null) {
      let cachedModule = DYNAMIC_REQUIRE_CACHE[resolvedPath];
      if (cachedModule) return cachedModule.exports;
      const loader = DYNAMIC_REQUIRE_LOADERS[resolvedPath];
      if (loader) {
        DYNAMIC_REQUIRE_CACHE[resolvedPath] = cachedModule = {
          id: resolvedPath,
          filename: resolvedPath,
          path: dirname(resolvedPath),
          exports: {},
          parent: DEFAULT_PARENT_MODULE,
          loaded: false,
          children: [],
          paths: [],
          require: function (path, base) {
            return commonjsRequire(path, (base === undefined || base === null) ? cachedModule.path : base);
          }
        };
        try {
          loader.call(commonjsGlobal, cachedModule, cachedModule.exports);
        } catch (error) {
          delete DYNAMIC_REQUIRE_CACHE[resolvedPath];
          throw error;
        }
        cachedModule.loaded = true;
        return cachedModule.exports;
      };
  	}
  	${ignoreDynamicRequires ? 'return require(path);' : FAILED_REQUIRE_ERROR}
  }
  
  commonjsRequire.cache = DYNAMIC_REQUIRE_CACHE;
  commonjsRequire.resolve = commonjsResolve;
  `;
  
  function getHelpersModule(isDynamicRequireModulesEnabled, ignoreDynamicRequires) {
    return `${HELPERS}${
      isDynamicRequireModulesEnabled ? getDynamicHelpers(ignoreDynamicRequires) : HELPER_NON_DYNAMIC
    }`;
  }
  
  /* eslint-disable import/prefer-default-export */
  
  function deconflict(scope, globals, identifier) {
    let i = 1;
    let deconflicted = makeLegalIdentifier(identifier);
  
    while (scope.contains(deconflicted) || globals.has(deconflicted)) {
      deconflicted = makeLegalIdentifier(`${identifier}_${i}`);
      i += 1;
    }
    // eslint-disable-next-line no-param-reassign
    scope.declarations[deconflicted] = true;
  
    return deconflicted;
  }
  
  function getName(id) {
    const name = makeLegalIdentifier(basename(id, extname(id)));
    if (name !== 'index') {
      return name;
    }
    const segments = dirname(id).split(sep);
    return makeLegalIdentifier(segments[segments.length - 1]);
  }
  
  function normalizePathSlashes(path) {
    return path.replace(/\\/g, '/');
  }
  
  const VIRTUAL_PATH_BASE = '/$$rollup_base$$';
  const getVirtualPathForDynamicRequirePath = (path, commonDir) => {
    const normalizedPath = normalizePathSlashes(path);
    return normalizedPath.startsWith(commonDir)
      ? VIRTUAL_PATH_BASE + normalizedPath.slice(commonDir.length)
      : normalizedPath;
  };
  
  function getPackageEntryPoint(dirPath) {
    let entryPoint = 'index.js';
  
    try {
      if (existsSync(join(dirPath, 'package.json'))) {
        entryPoint =
          JSON.parse(readFileSync(join(dirPath, 'package.json'), { encoding: 'utf8' })).main ||
          entryPoint;
      }
    } catch (ignored) {
      // ignored
    }
  
    return entryPoint;
  }
  
  function getDynamicPackagesModule(dynamicRequireModuleDirPaths, commonDir) {
    let code = `const commonjsRegister = require('${HELPERS_ID}?commonjsRegister');`;
    for (const dir of dynamicRequireModuleDirPaths) {
      const entryPoint = getPackageEntryPoint(dir);
  
      code += `\ncommonjsRegister(${JSON.stringify(
        getVirtualPathForDynamicRequirePath(dir, commonDir)
      )}, function (module, exports) {
    module.exports = require(${JSON.stringify(normalizePathSlashes(join(dir, entryPoint)))});
  });`;
    }
    return code;
  }
  
  function getDynamicPackagesEntryIntro(
    dynamicRequireModuleDirPaths,
    dynamicRequireModuleSet
  ) {
    let dynamicImports = Array.from(
      dynamicRequireModuleSet,
      (dynamicId) => `require(${JSON.stringify(wrapModuleRegisterProxy(dynamicId))});`
    ).join('\n');
  
    if (dynamicRequireModuleDirPaths.length) {
      dynamicImports += `require(${JSON.stringify(wrapModuleRegisterProxy(DYNAMIC_PACKAGES_ID))});`;
    }
  
    return dynamicImports;
  }
  
  function wrapModuleRegisterProxy(id) {
    return wrapId(id, DYNAMIC_REGISTER_SUFFIX);
  }
  
  function unwrapModuleRegisterProxy(id) {
    return unwrapId(id, DYNAMIC_REGISTER_SUFFIX);
  }
  
  function isModuleRegisterProxy(id) {
    return isWrappedId(id, DYNAMIC_REGISTER_SUFFIX);
  }
  
  function isDynamicModuleImport(id, dynamicRequireModuleSet) {
    const normalizedPath = normalizePathSlashes(id);
    return dynamicRequireModuleSet.has(normalizedPath) && !normalizedPath.endsWith('.json');
  }
  
  function isDirectory(path) {
    try {
      if (statSync(path).isDirectory()) return true;
    } catch (ignored) {
      // Nothing to do here
    }
    return false;
  }
  
  function getDynamicRequirePaths(patterns) {
    const dynamicRequireModuleSet = new Set();
    for (const pattern of !patterns || Array.isArray(patterns) ? patterns || [] : [patterns]) {
      const isNegated = pattern.startsWith('!');
      const modifySet = Set.prototype[isNegated ? 'delete' : 'add'].bind(dynamicRequireModuleSet);
      for (const path of glob.sync(isNegated ? pattern.substr(1) : pattern)) {
        modifySet(normalizePathSlashes(resolve(path)));
        if (isDirectory(path)) {
          modifySet(normalizePathSlashes(resolve(join(path, getPackageEntryPoint(path)))));
        }
      }
    }
    const dynamicRequireModuleDirPaths = Array.from(dynamicRequireModuleSet.values()).filter((path) =>
      isDirectory(path)
    );
    return { dynamicRequireModuleSet, dynamicRequireModuleDirPaths };
  }
  
  const isCjsPromises = new Map();
  
  function getIsCjsPromise(id) {
    let isCjsPromise = isCjsPromises.get(id);
    if (isCjsPromise) return isCjsPromise.promise;
  
    const promise = new Promise((resolve) => {
      isCjsPromise = {
        resolve,
        promise: null
      };
      isCjsPromises.set(id, isCjsPromise);
    });
    isCjsPromise.promise = promise;
  
    return promise;
  }
  
  function setIsCjsPromise(id, resolution) {
    const isCjsPromise = isCjsPromises.get(id);
    if (isCjsPromise) {
      if (isCjsPromise.resolve) {
        isCjsPromise.resolve(resolution);
        isCjsPromise.resolve = null;
      }
    } else {
      isCjsPromises.set(id, { promise: Promise.resolve(resolution), resolve: null });
    }
  }
  
  // e.g. id === "commonjsHelpers?commonjsRegister"
  function getSpecificHelperProxy(id) {
    return `export {${id.split('?')[1]} as default} from '${HELPERS_ID}';`;
  }
  
  function getUnknownRequireProxy(id, requireReturnsDefault) {
    if (requireReturnsDefault === true || id.endsWith('.json')) {
      return `export {default} from ${JSON.stringify(id)};`;
    }
    const name = getName(id);
    const exported =
      requireReturnsDefault === 'auto'
        ? `import {getDefaultExportFromNamespaceIfNotNamed} from "${HELPERS_ID}"; export default /*@__PURE__*/getDefaultExportFromNamespaceIfNotNamed(${name});`
        : requireReturnsDefault === 'preferred'
        ? `import {getDefaultExportFromNamespaceIfPresent} from "${HELPERS_ID}"; export default /*@__PURE__*/getDefaultExportFromNamespaceIfPresent(${name});`
        : !requireReturnsDefault
        ? `import {getAugmentedNamespace} from "${HELPERS_ID}"; export default /*@__PURE__*/getAugmentedNamespace(${name});`
        : `export default ${name};`;
    return `import * as ${name} from ${JSON.stringify(id)}; ${exported}`;
  }
  
  function getDynamicJsonProxy(id, commonDir) {
    const normalizedPath = normalizePathSlashes(id.slice(DYNAMIC_JSON_PREFIX.length));
    return `const commonjsRegister = require('${HELPERS_ID}?commonjsRegister');\ncommonjsRegister(${JSON.stringify(
      getVirtualPathForDynamicRequirePath(normalizedPath, commonDir)
    )}, function (module, exports) {
    module.exports = require(${JSON.stringify(normalizedPath)});
  });`;
  }
  
  function getDynamicRequireProxy(normalizedPath, commonDir) {
    return `const commonjsRegister = require('${HELPERS_ID}?commonjsRegister');\ncommonjsRegister(${JSON.stringify(
      getVirtualPathForDynamicRequirePath(normalizedPath, commonDir)
    )}, function (module, exports) {
    ${readFileSync(normalizedPath, { encoding: 'utf8' })}
  });`;
  }
  
  async function getStaticRequireProxy(
    id,
    requireReturnsDefault,
    esModulesWithDefaultExport,
    esModulesWithNamedExports
  ) {
    const name = getName(id);
    const isCjs = await getIsCjsPromise(id);
    if (isCjs) {
      return `import { __moduleExports } from ${JSON.stringify(id)}; export default __moduleExports;`;
    } else if (isCjs === null) {
      return getUnknownRequireProxy(id, requireReturnsDefault);
    } else if (!requireReturnsDefault) {
      return `import {getAugmentedNamespace} from "${HELPERS_ID}"; import * as ${name} from ${JSON.stringify(
        id
      )}; export default /*@__PURE__*/getAugmentedNamespace(${name});`;
    } else if (
      requireReturnsDefault !== true &&
      (requireReturnsDefault === 'namespace' ||
        !esModulesWithDefaultExport.has(id) ||
        (requireReturnsDefault === 'auto' && esModulesWithNamedExports.has(id)))
    ) {
      return `import * as ${name} from ${JSON.stringify(id)}; export default ${name};`;
    }
    return `export {default} from ${JSON.stringify(id)};`;
  }
  
  /* eslint-disable no-param-reassign, no-undefined */
  
  function getCandidatesForExtension(resolved, extension) {
    return [resolved + extension, `${resolved}${sep}index${extension}`];
  }
  
  function getCandidates(resolved, extensions) {
    return extensions.reduce(
      (paths, extension) => paths.concat(getCandidatesForExtension(resolved, extension)),
      [resolved]
    );
  }
  
  function getResolveId(extensions) {
    function resolveExtensions(importee, importer) {
      // not our problem
      if (importee[0] !== '.' || !importer) return undefined;
  
      const resolved = resolve(dirname(importer), importee);
      const candidates = getCandidates(resolved, extensions);
  
      for (let i = 0; i < candidates.length; i += 1) {
        try {
          const stats = statSync(candidates[i]);
          if (stats.isFile()) return { id: candidates[i] };
        } catch (err) {
          /* noop */
        }
      }
  
      return undefined;
    }
  
    return function resolveId(importee, rawImporter) {
      const importer =
        rawImporter && isModuleRegisterProxy(rawImporter)
          ? unwrapModuleRegisterProxy(rawImporter)
          : rawImporter;
  
      // Proxies are only importing resolved ids, no need to resolve again
      if (importer && isWrappedId(importer, PROXY_SUFFIX)) {
        return importee;
      }
  
      const isProxyModule = isWrappedId(importee, PROXY_SUFFIX);
      const isRequiredModule = isWrappedId(importee, REQUIRE_SUFFIX);
      let isModuleRegistration = false;
  
      if (isProxyModule) {
        importee = unwrapId(importee, PROXY_SUFFIX);
      } else if (isRequiredModule) {
        importee = unwrapId(importee, REQUIRE_SUFFIX);
  
        isModuleRegistration = isModuleRegisterProxy(importee);
        if (isModuleRegistration) {
          importee = unwrapModuleRegisterProxy(importee);
        }
      }
  
      if (
        importee.startsWith(HELPERS_ID) ||
        importee === DYNAMIC_PACKAGES_ID ||
        importee.startsWith(DYNAMIC_JSON_PREFIX)
      ) {
        return importee;
      }
  
      if (importee.startsWith('\0')) {
        return null;
      }
  
      return this.resolve(importee, importer, {
        skipSelf: true,
        custom: { 'node-resolve': { isRequire: isProxyModule || isRequiredModule } }
      }).then((resolved) => {
        if (!resolved) {
          resolved = resolveExtensions(importee, importer);
        }
        if (resolved && isProxyModule) {
          resolved.id = wrapId(resolved.id, resolved.external ? EXTERNAL_SUFFIX : PROXY_SUFFIX);
          resolved.external = false;
        } else if (resolved && isModuleRegistration) {
          resolved.id = wrapModuleRegisterProxy(resolved.id);
        } else if (!resolved && (isProxyModule || isRequiredModule)) {
          return { id: wrapId(importee, EXTERNAL_SUFFIX), external: false };
        }
        return resolved;
      });
    };
  }
  
  function validateRollupVersion(rollupVersion, peerDependencyVersion) {
    const [major, minor] = rollupVersion.split('.').map(Number);
    const versionRegexp = /\^(\d+\.\d+)\.\d+/g;
    let minMajor = Infinity;
    let minMinor = Infinity;
    let foundVersion;
    // eslint-disable-next-line no-cond-assign
    while ((foundVersion = versionRegexp.exec(peerDependencyVersion))) {
      const [foundMajor, foundMinor] = foundVersion[1].split('.').map(Number);
      if (foundMajor < minMajor) {
        minMajor = foundMajor;
        minMinor = foundMinor;
      }
    }
    if (major < minMajor || (major === minMajor && minor < minMinor)) {
      throw new Error(
        `Insufficient Rollup version: "@rollup/plugin-commonjs" requires at least rollup@${minMajor}.${minMinor} but found rollup@${rollupVersion}.`
      );
    }
  }
  
  const operators = {
    '==': (x) => equals(x.left, x.right, false),
  
    '!=': (x) => not(operators['=='](x)),
  
    '===': (x) => equals(x.left, x.right, true),
  
    '!==': (x) => not(operators['==='](x)),
  
    '!': (x) => isFalsy(x.argument),
  
    '&&': (x) => isTruthy(x.left) && isTruthy(x.right),
  
    '||': (x) => isTruthy(x.left) || isTruthy(x.right)
  };
  
  function not(value) {
    return value === null ? value : !value;
  }
  
  function equals(a, b, strict) {
    if (a.type !== b.type) return null;
    // eslint-disable-next-line eqeqeq
    if (a.type === 'Literal') return strict ? a.value === b.value : a.value == b.value;
    return null;
  }
  
  function isTruthy(node) {
    if (!node) return false;
    if (node.type === 'Literal') return !!node.value;
    if (node.type === 'ParenthesizedExpression') return isTruthy(node.expression);
    if (node.operator in operators) return operators[node.operator](node);
    return null;
  }
  
  function isFalsy(node) {
    return not(isTruthy(node));
  }
  
  function getKeypath(node) {
    const parts = [];
  
    while (node.type === 'MemberExpression') {
      if (node.computed) return null;
  
      parts.unshift(node.property.name);
      // eslint-disable-next-line no-param-reassign
      node = node.object;
    }
  
    if (node.type !== 'Identifier') return null;
  
    const { name } = node;
    parts.unshift(name);
  
    return { name, keypath: parts.join('.') };
  }
  
  const KEY_COMPILED_ESM = '__esModule';
  
  function isDefineCompiledEsm(node) {
    const definedProperty =
      getDefinePropertyCallName(node, 'exports') || getDefinePropertyCallName(node, 'module.exports');
    if (definedProperty && definedProperty.key === KEY_COMPILED_ESM) {
      return isTruthy(definedProperty.value);
    }
    return false;
  }
  
  function getDefinePropertyCallName(node, targetName) {
    const targetNames = targetName.split('.');
  
    const {
      callee: { object, property }
    } = node;
    if (!object || object.type !== 'Identifier' || object.name !== 'Object') return;
    if (!property || property.type !== 'Identifier' || property.name !== 'defineProperty') return;
    if (node.arguments.length !== 3) return;
  
    const [target, key, value] = node.arguments;
    if (targetNames.length === 1) {
      if (target.type !== 'Identifier' || target.name !== targetNames[0]) {
        return;
      }
    }
  
    if (targetNames.length === 2) {
      if (
        target.type !== 'MemberExpression' ||
        target.object.name !== targetNames[0] ||
        target.property.name !== targetNames[1]
      ) {
        return;
      }
    }
  
    if (value.type !== 'ObjectExpression' || !value.properties) return;
  
    const valueProperty = value.properties.find((p) => p.key && p.key.name === 'value');
    if (!valueProperty || !valueProperty.value) return;
  
    // eslint-disable-next-line consistent-return
    return { key: key.value, value: valueProperty.value };
  }
  
  function isLocallyShadowed(name, scope) {
    while (scope.parent) {
      if (scope.declarations[name]) {
        return true;
      }
      // eslint-disable-next-line no-param-reassign
      scope = scope.parent;
    }
    return false;
  }
  
  function isShorthandProperty(parent) {
    return parent && parent.type === 'Property' && parent.shorthand;
  }
  
  function wrapCode(magicString, uses, moduleName, HELPERS_NAME, virtualDynamicRequirePath) {
    const args = `module${uses.exports ? ', exports' : ''}`;
  
    magicString
      .trim()
      .prepend(`var ${moduleName} = ${HELPERS_NAME}.createCommonjsModule(function (${args}) {\n`)
      .append(
        `\n}${virtualDynamicRequirePath ? `, ${JSON.stringify(virtualDynamicRequirePath)}` : ''});`
      );
  }
  
  function rewriteExportsAndGetExportsBlock(
    magicString,
    moduleName,
    wrapped,
    topLevelModuleExportsAssignments,
    topLevelExportsAssignmentsByName,
    defineCompiledEsmExpressions,
    deconflict,
    isRestorableCompiledEsm,
    code,
    uses,
    HELPERS_NAME
  ) {
    const namedExportDeclarations = [`export { ${moduleName} as __moduleExports };`];
    const moduleExportsPropertyAssignments = [];
    let deconflictedDefaultExportName;
  
    if (!wrapped) {
      let hasModuleExportsAssignment = false;
      const namedExportProperties = [];
  
      // Collect and rewrite module.exports assignments
      for (const { left } of topLevelModuleExportsAssignments) {
        hasModuleExportsAssignment = true;
        magicString.overwrite(left.start, left.end, `var ${moduleName}`);
      }
  
      // Collect and rewrite named exports
      for (const [exportName, node] of topLevelExportsAssignmentsByName) {
        const deconflicted = deconflict(exportName);
        magicString.overwrite(node.start, node.left.end, `var ${deconflicted}`);
  
        if (exportName === 'default') {
          deconflictedDefaultExportName = deconflicted;
        } else {
          namedExportDeclarations.push(
            exportName === deconflicted
              ? `export { ${exportName} };`
              : `export { ${deconflicted} as ${exportName} };`
          );
        }
  
        if (hasModuleExportsAssignment) {
          moduleExportsPropertyAssignments.push(`${moduleName}.${exportName} = ${deconflicted};`);
        } else {
          namedExportProperties.push(`\t${exportName}: ${deconflicted}`);
        }
      }
  
      // Regenerate CommonJS namespace
      if (!hasModuleExportsAssignment) {
        const moduleExports = `{\n${namedExportProperties.join(',\n')}\n}`;
        magicString
          .trim()
          .append(
            `\n\nvar ${moduleName} = ${
              isRestorableCompiledEsm
                ? `/*#__PURE__*/Object.defineProperty(${moduleExports}, '__esModule', {value: true})`
                : moduleExports
            };`
          );
      }
    }
  
    // Generate default export
    const defaultExport = [];
    if (isRestorableCompiledEsm) {
      defaultExport.push(`export default ${deconflictedDefaultExportName || moduleName};`);
    } else if (
      (wrapped || deconflictedDefaultExportName) &&
      (defineCompiledEsmExpressions.length > 0 || code.indexOf('__esModule') >= 0)
    ) {
      // eslint-disable-next-line no-param-reassign
      uses.commonjsHelpers = true;
      defaultExport.push(
        `export default /*@__PURE__*/${HELPERS_NAME}.getDefaultExportFromCjs(${moduleName});`
      );
    } else {
      defaultExport.push(`export default ${moduleName};`);
    }
  
    return `\n\n${defaultExport
      .concat(namedExportDeclarations)
      .concat(moduleExportsPropertyAssignments)
      .join('\n')}`;
  }
  
  function isRequireStatement(node, scope) {
    if (!node) return false;
    if (node.type !== 'CallExpression') return false;
  
    // Weird case of `require()` or `module.require()` without arguments
    if (node.arguments.length === 0) return false;
  
    return isRequire(node.callee, scope);
  }
  
  function isRequire(node, scope) {
    return (
      (node.type === 'Identifier' && node.name === 'require' && !scope.contains('require')) ||
      (node.type === 'MemberExpression' && isModuleRequire(node, scope))
    );
  }
  
  function isModuleRequire({ object, property }, scope) {
    return (
      object.type === 'Identifier' &&
      object.name === 'module' &&
      property.type === 'Identifier' &&
      property.name === 'require' &&
      !scope.contains('module')
    );
  }
  
  function isStaticRequireStatement(node, scope) {
    if (!isRequireStatement(node, scope)) return false;
    return !hasDynamicArguments(node);
  }
  
  function hasDynamicArguments(node) {
    return (
      node.arguments.length > 1 ||
      (node.arguments[0].type !== 'Literal' &&
        (node.arguments[0].type !== 'TemplateLiteral' || node.arguments[0].expressions.length > 0))
    );
  }
  
  const reservedMethod = { resolve: true, cache: true, main: true };
  
  function isNodeRequirePropertyAccess(parent) {
    return parent && parent.property && reservedMethod[parent.property.name];
  }
  
  function isIgnoredRequireStatement(requiredNode, ignoreRequire) {
    return ignoreRequire(requiredNode.arguments[0].value);
  }
  
  function getRequireStringArg(node) {
    return node.arguments[0].type === 'Literal'
      ? node.arguments[0].value
      : node.arguments[0].quasis[0].value.cooked;
  }
  
  function hasDynamicModuleForPath(source, id, dynamicRequireModuleSet) {
    if (!/^(?:\.{0,2}[/\\]|[A-Za-z]:[/\\])/.test(source)) {
      try {
        const resolvedPath = normalizePathSlashes(sync(source, { basedir: dirname(id) }));
        if (dynamicRequireModuleSet.has(resolvedPath)) {
          return true;
        }
      } catch (ex) {
        // Probably a node.js internal module
        return false;
      }
  
      return false;
    }
  
    for (const attemptExt of ['', '.js', '.json']) {
      const resolvedPath = normalizePathSlashes(resolve(dirname(id), source + attemptExt));
      if (dynamicRequireModuleSet.has(resolvedPath)) {
        return true;
      }
    }
  
    return false;
  }
  
  function getRequireHandlers() {
    const requiredSources = [];
    const requiredBySource = Object.create(null);
    const requiredByNode = new Map();
    const requireExpressionsWithUsedReturnValue = [];
  
    function addRequireStatement(sourceId, node, scope, usesReturnValue) {
      const required = getRequired(sourceId);
      requiredByNode.set(node, { scope, required });
      if (usesReturnValue) {
        required.nodesUsingRequired.push(node);
        requireExpressionsWithUsedReturnValue.push(node);
      }
    }
  
    function getRequired(sourceId) {
      if (!requiredBySource[sourceId]) {
        requiredSources.push(sourceId);
  
        requiredBySource[sourceId] = {
          source: sourceId,
          name: null,
          nodesUsingRequired: []
        };
      }
  
      return requiredBySource[sourceId];
    }
  
    function rewriteRequireExpressionsAndGetImportBlock(
      magicString,
      topLevelDeclarations,
      topLevelRequireDeclarators,
      reassignedNames,
      helpersNameIfUsed,
      dynamicRegisterSources
    ) {
      const removedDeclarators = getDeclaratorsReplacedByImportsAndSetImportNames(
        topLevelRequireDeclarators,
        requiredByNode,
        reassignedNames
      );
      setRemainingImportNamesAndRewriteRequires(
        requireExpressionsWithUsedReturnValue,
        requiredByNode,
        magicString
      );
      removeDeclaratorsFromDeclarations(topLevelDeclarations, removedDeclarators, magicString);
      const importBlock = `${(helpersNameIfUsed
        ? [`import * as ${helpersNameIfUsed} from '${HELPERS_ID}';`]
        : []
      )
        .concat(
          // dynamic registers first, as the may be required in the other modules
          [...dynamicRegisterSources].map((source) => `import '${wrapId(source, REQUIRE_SUFFIX)}';`),
  
          // now the actual modules so that they are analyzed before creating the proxies;
          // no need to do this for virtual modules as we never proxy them
          requiredSources
            .filter((source) => !source.startsWith('\0'))
            .map((source) => `import '${wrapId(source, REQUIRE_SUFFIX)}';`),
  
          // now the proxy modules
          requiredSources.map((source) => {
            const { name, nodesUsingRequired } = requiredBySource[source];
            return `import ${nodesUsingRequired.length ? `${name} from ` : ``}'${
              source.startsWith('\0') ? source : wrapId(source, PROXY_SUFFIX)
            }';`;
          })
        )
        .join('\n')}`;
      return importBlock ? `${importBlock}\n\n` : '';
    }
  
    return {
      addRequireStatement,
      requiredSources,
      rewriteRequireExpressionsAndGetImportBlock
    };
  }
  
  function getDeclaratorsReplacedByImportsAndSetImportNames(
    topLevelRequireDeclarators,
    requiredByNode,
    reassignedNames
  ) {
    const removedDeclarators = new Set();
    for (const declarator of topLevelRequireDeclarators) {
      const { required } = requiredByNode.get(declarator.init);
      if (!required.name) {
        const potentialName = declarator.id.name;
        if (
          !reassignedNames.has(potentialName) &&
          !required.nodesUsingRequired.some((node) =>
            isLocallyShadowed(potentialName, requiredByNode.get(node).scope)
          )
        ) {
          required.name = potentialName;
          removedDeclarators.add(declarator);
        }
      }
    }
    return removedDeclarators;
  }
  
  function setRemainingImportNamesAndRewriteRequires(
    requireExpressionsWithUsedReturnValue,
    requiredByNode,
    magicString
  ) {
    let uid = 0;
    for (const requireExpression of requireExpressionsWithUsedReturnValue) {
      const { required } = requiredByNode.get(requireExpression);
      if (!required.name) {
        let potentialName;
        const isUsedName = (node) => requiredByNode.get(node).scope.contains(potentialName);
        do {
          potentialName = `require$$${uid}`;
          uid += 1;
        } while (required.nodesUsingRequired.some(isUsedName));
        required.name = potentialName;
      }
      magicString.overwrite(requireExpression.start, requireExpression.end, required.name);
    }
  }
  
  function removeDeclaratorsFromDeclarations(topLevelDeclarations, removedDeclarators, magicString) {
    for (const declaration of topLevelDeclarations) {
      let keepDeclaration = false;
      let [{ start }] = declaration.declarations;
      for (const declarator of declaration.declarations) {
        if (removedDeclarators.has(declarator)) {
          magicString.remove(start, declarator.end);
        } else if (!keepDeclaration) {
          magicString.remove(start, declarator.start);
          keepDeclaration = true;
        }
        start = declarator.end;
      }
      if (!keepDeclaration) {
        magicString.remove(declaration.start, declaration.end);
      }
    }
  }
  
  /* eslint-disable no-param-reassign, no-shadow, no-underscore-dangle, no-continue */
  
  const exportsPattern = /^(?:module\.)?exports(?:\.([a-zA-Z_$][a-zA-Z_$0-9]*))?$/;
  
  const functionType = /^(?:FunctionDeclaration|FunctionExpression|ArrowFunctionExpression)$/;
  
  function transformCommonjs(
    parse,
    code,
    id,
    isEsModule,
    ignoreGlobal,
    ignoreRequire,
    ignoreDynamicRequires,
    getIgnoreTryCatchRequireStatementMode,
    sourceMap,
    isDynamicRequireModulesEnabled,
    dynamicRequireModuleSet,
    disableWrap,
    commonDir,
    astCache
  ) {
    const ast = astCache || tryParse(parse, code, id);
    const magicString = new MagicString(code);
    const uses = {
      module: false,
      exports: false,
      global: false,
      require: false,
      commonjsHelpers: false
    };
    const virtualDynamicRequirePath =
      isDynamicRequireModulesEnabled && getVirtualPathForDynamicRequirePath(dirname(id), commonDir);
    let scope = attachScopes(ast, 'scope');
    let lexicalDepth = 0;
    let programDepth = 0;
    let currentTryBlockEnd = null;
    let shouldWrap = false;
    const defineCompiledEsmExpressions = [];
  
    const globals = new Set();
  
    // TODO technically wrong since globals isn't populated yet, but ¯\_(ツ)_/¯
    const HELPERS_NAME = deconflict(scope, globals, 'commonjsHelpers');
    const namedExports = {};
    const dynamicRegisterSources = new Set();
    let hasRemovedRequire = false;
  
    const {
      addRequireStatement,
      requiredSources,
      rewriteRequireExpressionsAndGetImportBlock
    } = getRequireHandlers();
  
    // See which names are assigned to. This is necessary to prevent
    // illegally replacing `var foo = require('foo')` with `import foo from 'foo'`,
    // where `foo` is later reassigned. (This happens in the wild. CommonJS, sigh)
    const reassignedNames = new Set();
    const topLevelDeclarations = [];
    const topLevelRequireDeclarators = new Set();
    const skippedNodes = new Set();
    const topLevelModuleExportsAssignments = [];
    const topLevelExportsAssignmentsByName = new Map();
  
    walk(ast, {
      enter(node, parent) {
        if (skippedNodes.has(node)) {
          this.skip();
          return;
        }
  
        if (currentTryBlockEnd !== null && node.start > currentTryBlockEnd) {
          currentTryBlockEnd = null;
        }
  
        programDepth += 1;
        if (node.scope) ({ scope } = node);
        if (functionType.test(node.type)) lexicalDepth += 1;
        if (sourceMap) {
          magicString.addSourcemapLocation(node.start);
          magicString.addSourcemapLocation(node.end);
        }
  
        // eslint-disable-next-line default-case
        switch (node.type) {
          case 'TryStatement':
            if (currentTryBlockEnd === null) {
              currentTryBlockEnd = node.block.end;
            }
            return;
          case 'AssignmentExpression':
            if (node.left.type === 'MemberExpression') {
              const flattened = getKeypath(node.left);
              if (!flattened || scope.contains(flattened.name)) return;
  
              const exportsPatternMatch = exportsPattern.exec(flattened.keypath);
              if (!exportsPatternMatch || flattened.keypath === 'exports') return;
  
              const [, exportName] = exportsPatternMatch;
              uses[flattened.name] = true;
  
              // we're dealing with `module.exports = ...` or `[module.]exports.foo = ...` –
              if (programDepth > 3) {
                shouldWrap = true;
              } else if (exportName === KEY_COMPILED_ESM) {
                defineCompiledEsmExpressions.push(parent);
              } else if (flattened.keypath === 'module.exports') {
                topLevelModuleExportsAssignments.push(node);
              } else if (!topLevelExportsAssignmentsByName.has(exportName)) {
                topLevelExportsAssignmentsByName.set(exportName, node);
              } else {
                shouldWrap = true;
              }
  
              skippedNodes.add(node.left);
  
              if (flattened.keypath === 'module.exports' && node.right.type === 'ObjectExpression') {
                node.right.properties.forEach((prop) => {
                  if (prop.computed || !('key' in prop) || prop.key.type !== 'Identifier') return;
                  const { name } = prop.key;
                  if (name === makeLegalIdentifier(name)) namedExports[name] = true;
                });
                return;
              }
  
              if (exportsPatternMatch[1]) namedExports[exportsPatternMatch[1]] = true;
            } else {
              for (const name of extractAssignedNames(node.left)) {
                reassignedNames.add(name);
              }
            }
            return;
          case 'CallExpression': {
            if (isDefineCompiledEsm(node)) {
              if (programDepth === 3 && parent.type === 'ExpressionStatement') {
                // skip special handling for [module.]exports until we know we render this
                skippedNodes.add(node.arguments[0]);
                defineCompiledEsmExpressions.push(parent);
              } else {
                shouldWrap = true;
              }
              return;
            }
  
            if (
              node.callee.object &&
              node.callee.object.name === 'require' &&
              node.callee.property.name === 'resolve' &&
              hasDynamicModuleForPath(id, '/', dynamicRequireModuleSet)
            ) {
              const requireNode = node.callee.object;
              magicString.appendLeft(
                node.end - 1,
                `,${JSON.stringify(
                  dirname(id) === '.' ? null /* default behavior */ : virtualDynamicRequirePath
                )}`
              );
              magicString.overwrite(
                requireNode.start,
                requireNode.end,
                `${HELPERS_NAME}.commonjsRequire`,
                {
                  storeName: true
                }
              );
              uses.commonjsHelpers = true;
              return;
            }
  
            if (!isStaticRequireStatement(node, scope)) return;
            if (!isDynamicRequireModulesEnabled) {
              skippedNodes.add(node.callee);
            }
            if (!isIgnoredRequireStatement(node, ignoreRequire)) {
              skippedNodes.add(node.callee);
              const usesReturnValue = parent.type !== 'ExpressionStatement';
  
              let canConvertRequire = true;
              let shouldRemoveRequireStatement = false;
  
              if (currentTryBlockEnd !== null) {
                ({
                  canConvertRequire,
                  shouldRemoveRequireStatement
                } = getIgnoreTryCatchRequireStatementMode(node.arguments[0].value));
  
                if (shouldRemoveRequireStatement) {
                  hasRemovedRequire = true;
                }
              }
  
              let sourceId = getRequireStringArg(node);
              const isDynamicRegister = isModuleRegisterProxy(sourceId);
              if (isDynamicRegister) {
                sourceId = unwrapModuleRegisterProxy(sourceId);
                if (sourceId.endsWith('.json')) {
                  sourceId = DYNAMIC_JSON_PREFIX + sourceId;
                }
                dynamicRegisterSources.add(wrapModuleRegisterProxy(sourceId));
              } else {
                if (
                  !sourceId.endsWith('.json') &&
                  hasDynamicModuleForPath(sourceId, id, dynamicRequireModuleSet)
                ) {
                  if (shouldRemoveRequireStatement) {
                    magicString.overwrite(node.start, node.end, `undefined`);
                  } else if (canConvertRequire) {
                    magicString.overwrite(
                      node.start,
                      node.end,
                      `${HELPERS_NAME}.commonjsRequire(${JSON.stringify(
                        getVirtualPathForDynamicRequirePath(sourceId, commonDir)
                      )}, ${JSON.stringify(
                        dirname(id) === '.' ? null /* default behavior */ : virtualDynamicRequirePath
                      )})`
                    );
                    uses.commonjsHelpers = true;
                  }
                  return;
                }
  
                if (canConvertRequire) {
                  addRequireStatement(sourceId, node, scope, usesReturnValue);
                }
              }
  
              if (usesReturnValue) {
                if (shouldRemoveRequireStatement) {
                  magicString.overwrite(node.start, node.end, `undefined`);
                  return;
                }
  
                if (
                  parent.type === 'VariableDeclarator' &&
                  !scope.parent &&
                  parent.id.type === 'Identifier'
                ) {
                  // This will allow us to reuse this variable name as the imported variable if it is not reassigned
                  // and does not conflict with variables in other places where this is imported
                  topLevelRequireDeclarators.add(parent);
                }
              } else {
                // This is a bare import, e.g. `require('foo');`
  
                if (!canConvertRequire && !shouldRemoveRequireStatement) {
                  return;
                }
  
                magicString.remove(parent.start, parent.end);
              }
            }
            return;
          }
          case 'ConditionalExpression':
          case 'IfStatement':
            // skip dead branches
            if (isFalsy(node.test)) {
              skippedNodes.add(node.consequent);
            } else if (node.alternate && isTruthy(node.test)) {
              skippedNodes.add(node.alternate);
            }
            return;
          case 'Identifier': {
            const { name } = node;
            if (!(isReference(node, parent) && !scope.contains(name))) return;
            switch (name) {
              case 'require':
                if (isNodeRequirePropertyAccess(parent)) {
                  if (hasDynamicModuleForPath(id, '/', dynamicRequireModuleSet)) {
                    if (parent.property.name === 'cache') {
                      magicString.overwrite(node.start, node.end, `${HELPERS_NAME}.commonjsRequire`, {
                        storeName: true
                      });
                      uses.commonjsHelpers = true;
                    }
                  }
  
                  return;
                }
  
                if (isDynamicRequireModulesEnabled && isRequireStatement(parent, scope)) {
                  magicString.appendLeft(
                    parent.end - 1,
                    `,${JSON.stringify(
                      dirname(id) === '.' ? null /* default behavior */ : virtualDynamicRequirePath
                    )}`
                  );
                }
                if (!ignoreDynamicRequires) {
                  if (isShorthandProperty(parent)) {
                    magicString.appendRight(node.end, `: ${HELPERS_NAME}.commonjsRequire`);
                  } else {
                    magicString.overwrite(node.start, node.end, `${HELPERS_NAME}.commonjsRequire`, {
                      storeName: true
                    });
                  }
                }
  
                uses.commonjsHelpers = true;
                return;
              case 'module':
              case 'exports':
                shouldWrap = true;
                uses[name] = true;
                return;
              case 'global':
                uses.global = true;
                if (!ignoreGlobal) {
                  magicString.overwrite(node.start, node.end, `${HELPERS_NAME}.commonjsGlobal`, {
                    storeName: true
                  });
                  uses.commonjsHelpers = true;
                }
                return;
              case 'define':
                magicString.overwrite(node.start, node.end, 'undefined', { storeName: true });
                return;
              default:
                globals.add(name);
                return;
            }
          }
          case 'MemberExpression':
            if (!isDynamicRequireModulesEnabled && isModuleRequire(node, scope)) {
              magicString.overwrite(node.start, node.end, `${HELPERS_NAME}.commonjsRequire`, {
                storeName: true
              });
              uses.commonjsHelpers = true;
              skippedNodes.add(node.object);
              skippedNodes.add(node.property);
            }
            return;
          case 'ReturnStatement':
            // if top-level return, we need to wrap it
            if (lexicalDepth === 0) {
              shouldWrap = true;
            }
            return;
          case 'ThisExpression':
            // rewrite top-level `this` as `commonjsHelpers.commonjsGlobal`
            if (lexicalDepth === 0) {
              uses.global = true;
              if (!ignoreGlobal) {
                magicString.overwrite(node.start, node.end, `${HELPERS_NAME}.commonjsGlobal`, {
                  storeName: true
                });
                uses.commonjsHelpers = true;
              }
            }
            return;
          case 'UnaryExpression':
            // rewrite `typeof module`, `typeof module.exports` and `typeof exports` (https://github.com/rollup/rollup-plugin-commonjs/issues/151)
            if (node.operator === 'typeof') {
              const flattened = getKeypath(node.argument);
              if (!flattened) return;
  
              if (scope.contains(flattened.name)) return;
  
              if (
                flattened.keypath === 'module.exports' ||
                flattened.keypath === 'module' ||
                flattened.keypath === 'exports'
              ) {
                magicString.overwrite(node.start, node.end, `'object'`, { storeName: false });
              }
            }
            return;
          case 'VariableDeclaration':
            if (!scope.parent) {
              topLevelDeclarations.push(node);
            }
        }
      },
  
      leave(node) {
        programDepth -= 1;
        if (node.scope) scope = scope.parent;
        if (functionType.test(node.type)) lexicalDepth -= 1;
      }
    });
  
    let isRestorableCompiledEsm = false;
    if (defineCompiledEsmExpressions.length > 0) {
      if (!shouldWrap && defineCompiledEsmExpressions.length === 1) {
        isRestorableCompiledEsm = true;
        magicString.remove(
          defineCompiledEsmExpressions[0].start,
          defineCompiledEsmExpressions[0].end
        );
      } else {
        shouldWrap = true;
        uses.exports = true;
      }
    }
  
    // We cannot wrap ES/mixed modules
    shouldWrap = shouldWrap && !disableWrap && !isEsModule;
    uses.commonjsHelpers = uses.commonjsHelpers || shouldWrap;
  
    if (
      !(
        requiredSources.length ||
        dynamicRegisterSources.size ||
        uses.module ||
        uses.exports ||
        uses.require ||
        uses.commonjsHelpers ||
        hasRemovedRequire ||
        isRestorableCompiledEsm
      ) &&
      (ignoreGlobal || !uses.global)
    ) {
      return { meta: { commonjs: { isCommonJS: false } } };
    }
  
    const moduleName = deconflict(scope, globals, getName(id));
  
    let leadingComment = '';
    if (code.startsWith('/*')) {
      const commentEnd = code.indexOf('*/', 2) + 2;
      leadingComment = `${code.slice(0, commentEnd)}\n`;
      magicString.remove(0, commentEnd).trim();
    }
  
    const exportBlock = isEsModule
      ? ''
      : rewriteExportsAndGetExportsBlock(
          magicString,
          moduleName,
          shouldWrap,
          topLevelModuleExportsAssignments,
          topLevelExportsAssignmentsByName,
          defineCompiledEsmExpressions,
          (name) => deconflict(scope, globals, name),
          isRestorableCompiledEsm,
          code,
          uses,
          HELPERS_NAME
        );
  
    const importBlock = rewriteRequireExpressionsAndGetImportBlock(
      magicString,
      topLevelDeclarations,
      topLevelRequireDeclarators,
      reassignedNames,
      uses.commonjsHelpers && HELPERS_NAME,
      dynamicRegisterSources
    );
  
    if (shouldWrap) {
      wrapCode(magicString, uses, moduleName, HELPERS_NAME, virtualDynamicRequirePath);
    }
  
    magicString
      .trim()
      .prepend(leadingComment + importBlock)
      .append(exportBlock);
  
    return {
      code: magicString.toString(),
      map: sourceMap ? magicString.generateMap() : null,
      syntheticNamedExports: isEsModule ? false : '__moduleExports',
      meta: { commonjs: { isCommonJS: !isEsModule } }
    };
  }
  
  function commonjs(options = {}) {
    const extensions = options.extensions || ['.js'];
    const filter = createFilter(options.include, options.exclude);
    const {
      ignoreGlobal,
      ignoreDynamicRequires,
      requireReturnsDefault: requireReturnsDefaultOption,
      esmExternals
    } = options;
    const getRequireReturnsDefault =
      typeof requireReturnsDefaultOption === 'function'
        ? requireReturnsDefaultOption
        : () => requireReturnsDefaultOption;
    let esmExternalIds;
    const isEsmExternal =
      typeof esmExternals === 'function'
        ? esmExternals
        : Array.isArray(esmExternals)
        ? ((esmExternalIds = new Set(esmExternals)), (id) => esmExternalIds.has(id))
        : () => esmExternals;
  
    const { dynamicRequireModuleSet, dynamicRequireModuleDirPaths } = getDynamicRequirePaths(
      options.dynamicRequireTargets
    );
    const isDynamicRequireModulesEnabled = dynamicRequireModuleSet.size > 0;
    const commonDir = isDynamicRequireModulesEnabled
      ? getCommonDir(null, Array.from(dynamicRequireModuleSet).concat(process.cwd()))
      : null;
  
    const esModulesWithDefaultExport = new Set();
    const esModulesWithNamedExports = new Set();
  
    const ignoreRequire =
      typeof options.ignore === 'function'
        ? options.ignore
        : Array.isArray(options.ignore)
        ? (id) => options.ignore.includes(id)
        : () => false;
  
    const getIgnoreTryCatchRequireStatementMode = (id) => {
      const mode =
        typeof options.ignoreTryCatch === 'function'
          ? options.ignoreTryCatch(id)
          : Array.isArray(options.ignoreTryCatch)
          ? options.ignoreTryCatch.includes(id)
          : options.ignoreTryCatch || false;
  
      return {
        canConvertRequire: mode !== 'remove' && mode !== true,
        shouldRemoveRequireStatement: mode === 'remove'
      };
    };
  
    const resolveId = getResolveId(extensions);
  
    const sourceMap = options.sourceMap !== false;
  
    function transformAndCheckExports(code, id) {
      if (isDynamicRequireModulesEnabled && this.getModuleInfo(id).isEntry) {
        // eslint-disable-next-line no-param-reassign
        code =
          getDynamicPackagesEntryIntro(dynamicRequireModuleDirPaths, dynamicRequireModuleSet) + code;
      }
  
      const { isEsModule, hasDefaultExport, hasNamedExports, ast } = analyzeTopLevelStatements(
        this.parse,
        code,
        id
      );
      if (hasDefaultExport) {
        esModulesWithDefaultExport.add(id);
      }
      if (hasNamedExports) {
        esModulesWithNamedExports.add(id);
      }
  
      if (
        !dynamicRequireModuleSet.has(normalizePathSlashes(id)) &&
        (!hasCjsKeywords(code, ignoreGlobal) || (isEsModule && !options.transformMixedEsModules))
      ) {
        return { meta: { commonjs: { isCommonJS: false } } };
      }
  
      let disableWrap = false;
  
      // avoid wrapping in createCommonjsModule, as this is a commonjsRegister call
      if (isModuleRegisterProxy(id)) {
        disableWrap = true;
        // eslint-disable-next-line no-param-reassign
        id = unwrapModuleRegisterProxy(id);
      }
  
      return transformCommonjs(
        this.parse,
        code,
        id,
        isEsModule,
        ignoreGlobal || isEsModule,
        ignoreRequire,
        ignoreDynamicRequires && !isDynamicRequireModulesEnabled,
        getIgnoreTryCatchRequireStatementMode,
        sourceMap,
        isDynamicRequireModulesEnabled,
        dynamicRequireModuleSet,
        disableWrap,
        commonDir,
        ast
      );
    }
  
    return {
      name: 'commonjs',
  
      buildStart() {
        validateRollupVersion(this.meta.rollupVersion, peerDependencies.rollup);
        if (options.namedExports != null) {
          this.warn(
            'The namedExports option from "@rollup/plugin-commonjs" is deprecated. Named exports are now handled automatically.'
          );
        }
      },
  
      resolveId,
  
      load(id) {
        if (id === HELPERS_ID) {
          return getHelpersModule(isDynamicRequireModulesEnabled, ignoreDynamicRequires);
        }
  
        if (id.startsWith(HELPERS_ID)) {
          return getSpecificHelperProxy(id);
        }
  
        if (isWrappedId(id, EXTERNAL_SUFFIX)) {
          const actualId = unwrapId(id, EXTERNAL_SUFFIX);
          return getUnknownRequireProxy(
            actualId,
            isEsmExternal(actualId) ? getRequireReturnsDefault(actualId) : true
          );
        }
  
        if (id === DYNAMIC_PACKAGES_ID) {
          return getDynamicPackagesModule(dynamicRequireModuleDirPaths, commonDir);
        }
  
        if (id.startsWith(DYNAMIC_JSON_PREFIX)) {
          return getDynamicJsonProxy(id, commonDir);
        }
  
        if (isDynamicModuleImport(id, dynamicRequireModuleSet)) {
          return `export default require(${JSON.stringify(normalizePathSlashes(id))});`;
        }
  
        if (isModuleRegisterProxy(id)) {
          return getDynamicRequireProxy(
            normalizePathSlashes(unwrapModuleRegisterProxy(id)),
            commonDir
          );
        }
  
        if (isWrappedId(id, PROXY_SUFFIX)) {
          const actualId = unwrapId(id, PROXY_SUFFIX);
          return getStaticRequireProxy(
            actualId,
            getRequireReturnsDefault(actualId),
            esModulesWithDefaultExport,
            esModulesWithNamedExports
          );
        }
  
        return null;
      },
  
      transform(code, rawId) {
        let id = rawId;
  
        if (isModuleRegisterProxy(id)) {
          id = unwrapModuleRegisterProxy(id);
        }
  
        const extName = extname(id);
        if (
          extName !== '.cjs' &&
          id !== DYNAMIC_PACKAGES_ID &&
          !id.startsWith(DYNAMIC_JSON_PREFIX) &&
          (!filter(id) || !extensions.includes(extName))
        ) {
          return null;
        }
  
        try {
          return transformAndCheckExports.call(this, code, rawId);
        } catch (err) {
          return this.error(err, err.loc);
        }
      },
  
      // eslint-disable-next-line no-shadow
      moduleParsed({ id, meta: { commonjs } }) {
        if (commonjs) {
          const isCjs = commonjs.isCommonJS;
          if (isCjs != null) {
            setIsCjsPromise(id, isCjs);
            return;
          }
        }
        setIsCjsPromise(id, null);
      }
    };
  }
  
  export default commonjs;
  //# sourceMappingURL=index.es.js.map
  