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							309 lines
						
					
					
						
							11 KiB
						
					
					
				"use strict";
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exports.__esModule = true;
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exports.default = void 0;
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var _data = _interopRequireDefault(require("../core-js-compat/data.js"));
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var _shippedProposals = _interopRequireDefault(require("./shipped-proposals"));
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var _getModulesListForTargetVersion = _interopRequireDefault(require("../core-js-compat/get-modules-list-for-target-version.js"));
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var _builtInDefinitions = require("./built-in-definitions");
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var _usageFilters = _interopRequireDefault(require("./usage-filters"));
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var _babel = _interopRequireWildcard(require("@babel/core"));
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var _utils = require("./utils");
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var _helperDefinePolyfillProvider = _interopRequireDefault(require("@babel/helper-define-polyfill-provider"));
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function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function (nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }
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function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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function _extends() { _extends = Object.assign ? Object.assign.bind() : function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }
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const {
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  types: t
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} = _babel.default || _babel;
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const runtimeCompat = "#__secret_key__@babel/runtime__compatibility";
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const esnextFallback = (name, cb) => {
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  if (cb(name)) return true;
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  if (!name.startsWith("es.")) return false;
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  const fallback = `esnext.${name.slice(3)}`;
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  if (!_data.default[fallback]) return false;
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  return cb(fallback);
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};
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var _default = (0, _helperDefinePolyfillProvider.default)(function ({
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  getUtils,
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  method,
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  shouldInjectPolyfill,
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  createMetaResolver,
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  debug,
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  babel
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}, {
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  version = 3,
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  proposals,
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  shippedProposals,
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  [runtimeCompat]: {
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    useBabelRuntime,
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    ext = ".js"
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  } = {
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    useBabelRuntime: ""
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  }
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}) {
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  const isWebpack = babel.caller(caller => (caller == null ? void 0 : caller.name) === "babel-loader");
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  const resolve = createMetaResolver({
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    global: _builtInDefinitions.BuiltIns,
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    static: _builtInDefinitions.StaticProperties,
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    instance: _builtInDefinitions.InstanceProperties
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  });
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  const available = new Set((0, _getModulesListForTargetVersion.default)(version));
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  function getCoreJSPureBase(useProposalBase) {
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    return useBabelRuntime ? useProposalBase ? `${useBabelRuntime}/core-js` : `${useBabelRuntime}/core-js-stable` : useProposalBase ? "core-js-pure/features" : "core-js-pure/stable";
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  }
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  function maybeInjectGlobalImpl(name, utils) {
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    if (shouldInjectPolyfill(name)) {
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      debug(name);
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      utils.injectGlobalImport((0, _utils.coreJSModule)(name));
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      return true;
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    }
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    return false;
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  }
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  function maybeInjectGlobal(names, utils, fallback = true) {
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    for (const name of names) {
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      if (fallback) {
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        esnextFallback(name, name => maybeInjectGlobalImpl(name, utils));
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      } else {
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        maybeInjectGlobalImpl(name, utils);
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      }
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    }
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  }
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  function maybeInjectPure(desc, hint, utils, object) {
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    if (desc.pure && !(object && desc.exclude && desc.exclude.includes(object)) && esnextFallback(desc.name, shouldInjectPolyfill)) {
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      const {
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        name
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      } = desc;
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      let useProposalBase = false;
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      if (proposals || shippedProposals && name.startsWith("esnext.")) {
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        useProposalBase = true;
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      } else if (name.startsWith("es.") && !available.has(name)) {
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        useProposalBase = true;
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      }
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      const coreJSPureBase = getCoreJSPureBase(useProposalBase);
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      return utils.injectDefaultImport(`${coreJSPureBase}/${desc.pure}${ext}`, hint);
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    }
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  }
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  function isFeatureStable(name) {
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    if (name.startsWith("esnext.")) {
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      const esName = `es.${name.slice(7)}`; // If its imaginative esName is not in latest compat data, it means
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      // the proposal is not stage 4
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      return esName in _data.default;
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    }
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    return true;
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  }
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  return {
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    name: "corejs3",
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    polyfills: _data.default,
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    filterPolyfills(name) {
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      if (!available.has(name)) return false;
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      if (proposals || method === "entry-global") return true;
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      if (shippedProposals && _shippedProposals.default.has(name)) {
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        return true;
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      }
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      return isFeatureStable(name);
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    },
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    entryGlobal(meta, utils, path) {
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      if (meta.kind !== "import") return;
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      const modules = (0, _utils.isCoreJSSource)(meta.source);
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      if (!modules) return;
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      if (modules.length === 1 && meta.source === (0, _utils.coreJSModule)(modules[0]) && shouldInjectPolyfill(modules[0])) {
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        // Avoid infinite loop: do not replace imports with a new copy of
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        // themselves.
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        debug(null);
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        return;
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      }
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      const modulesSet = new Set(modules);
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      const filteredModules = modules.filter(module => {
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        if (!module.startsWith("esnext.")) return true;
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        const stable = module.replace("esnext.", "es.");
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        if (modulesSet.has(stable) && shouldInjectPolyfill(stable)) {
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          return false;
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        }
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        return true;
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      });
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      maybeInjectGlobal(filteredModules, utils, false);
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      path.remove();
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    },
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    usageGlobal(meta, utils, path) {
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      const resolved = resolve(meta);
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      if (!resolved) return;
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      if ((0, _usageFilters.default)(resolved.desc, path)) return;
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      let deps = resolved.desc.global;
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      if (resolved.kind !== "global" && "object" in meta && meta.object && meta.placement === "prototype") {
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        const low = meta.object.toLowerCase();
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        deps = deps.filter(m => m.includes(low) || _builtInDefinitions.CommonInstanceDependencies.has(m));
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      }
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      maybeInjectGlobal(deps, utils);
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    },
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    usagePure(meta, utils, path) {
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      if (meta.kind === "in") {
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        if (meta.key === "Symbol.iterator") {
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          path.replaceWith(t.callExpression(utils.injectDefaultImport((0, _utils.coreJSPureHelper)("is-iterable", useBabelRuntime, ext), "isIterable"), [path.node.right] // meta.kind === "in" narrows this
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          ));
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        }
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        return;
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      }
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      if (path.parentPath.isUnaryExpression({
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        operator: "delete"
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      })) return;
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      if (meta.kind === "property") {
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        // We can't compile destructuring and updateExpression.
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        if (!path.isMemberExpression()) return;
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        if (!path.isReferenced()) return;
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        if (path.parentPath.isUpdateExpression()) return;
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        if (t.isSuper(path.node.object)) {
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          return;
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        }
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        if (meta.key === "Symbol.iterator") {
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          if (!shouldInjectPolyfill("es.symbol.iterator")) return;
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          const {
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            parent,
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            node
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          } = path;
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          if (t.isCallExpression(parent, {
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            callee: node
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          })) {
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            if (parent.arguments.length === 0) {
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              path.parentPath.replaceWith(t.callExpression(utils.injectDefaultImport((0, _utils.coreJSPureHelper)("get-iterator", useBabelRuntime, ext), "getIterator"), [node.object]));
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              path.skip();
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            } else {
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              (0, _utils.callMethod)(path, utils.injectDefaultImport((0, _utils.coreJSPureHelper)("get-iterator-method", useBabelRuntime, ext), "getIteratorMethod"));
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            }
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          } else {
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            path.replaceWith(t.callExpression(utils.injectDefaultImport((0, _utils.coreJSPureHelper)("get-iterator-method", useBabelRuntime, ext), "getIteratorMethod"), [path.node.object]));
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          }
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          return;
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        }
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      }
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      let resolved = resolve(meta);
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      if (!resolved) return;
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      if ((0, _usageFilters.default)(resolved.desc, path)) return;
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      if (useBabelRuntime && resolved.desc.pure && resolved.desc.pure.slice(-6) === "/index") {
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        // Remove /index, since it doesn't exist in @babel/runtime-corejs3s
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        resolved = _extends({}, resolved, {
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          desc: _extends({}, resolved.desc, {
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            pure: resolved.desc.pure.slice(0, -6)
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          })
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        });
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      }
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      if (resolved.kind === "global") {
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        const id = maybeInjectPure(resolved.desc, resolved.name, utils);
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        if (id) path.replaceWith(id);
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      } else if (resolved.kind === "static") {
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        const id = maybeInjectPure(resolved.desc, resolved.name, utils, // @ts-expect-error
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        meta.object);
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        if (id) path.replaceWith(id);
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      } else if (resolved.kind === "instance") {
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        const id = maybeInjectPure(resolved.desc, `${resolved.name}InstanceProperty`, utils, // @ts-expect-error
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        meta.object);
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        if (!id) return;
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        const {
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          node
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        } = path;
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        if (t.isCallExpression(path.parent, {
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          callee: node
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        })) {
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          (0, _utils.callMethod)(path, id);
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        } else {
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          path.replaceWith(t.callExpression(id, [node.object]));
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        }
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      }
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    },
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    visitor: method === "usage-global" && {
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      // import("foo")
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      CallExpression(path) {
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        if (path.get("callee").isImport()) {
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          const utils = getUtils(path);
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          if (isWebpack) {
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            // Webpack uses Promise.all to handle dynamic import.
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            maybeInjectGlobal(_builtInDefinitions.PromiseDependenciesWithIterators, utils);
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          } else {
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            maybeInjectGlobal(_builtInDefinitions.PromiseDependencies, utils);
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          }
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        }
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      },
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      // (async function () { }).finally(...)
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      Function(path) {
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        if (path.node.async) {
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          maybeInjectGlobal(_builtInDefinitions.PromiseDependencies, getUtils(path));
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        }
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      },
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      // for-of, [a, b] = c
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      "ForOfStatement|ArrayPattern"(path) {
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        maybeInjectGlobal(_builtInDefinitions.CommonIterators, getUtils(path));
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      },
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      // [...spread]
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      SpreadElement(path) {
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        if (!path.parentPath.isObjectExpression()) {
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          maybeInjectGlobal(_builtInDefinitions.CommonIterators, getUtils(path));
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        }
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      },
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      // yield*
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      YieldExpression(path) {
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        if (path.node.delegate) {
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          maybeInjectGlobal(_builtInDefinitions.CommonIterators, getUtils(path));
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        }
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      }
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    }
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  };
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});
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exports.default = _default; |