You can not select more than 25 topics
			Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
		
		
		
		
		
			
		
			
				
					309 lines
				
				11 KiB
			
		
		
			
		
	
	
					309 lines
				
				11 KiB
			| 
								 
											3 years ago
										 
									 | 
							
								"use strict";
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								exports.__esModule = true;
							 | 
						||
| 
								 | 
							
								exports.default = void 0;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								var _data = _interopRequireDefault(require("../core-js-compat/data.js"));
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								var _shippedProposals = _interopRequireDefault(require("./shipped-proposals"));
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								var _getModulesListForTargetVersion = _interopRequireDefault(require("../core-js-compat/get-modules-list-for-target-version.js"));
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								var _builtInDefinitions = require("./built-in-definitions");
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								var _usageFilters = _interopRequireDefault(require("./usage-filters"));
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								var _babel = _interopRequireWildcard(require("@babel/core"));
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								var _utils = require("./utils");
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								var _helperDefinePolyfillProvider = _interopRequireDefault(require("@babel/helper-define-polyfill-provider"));
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								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); }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								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; }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								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); }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								const {
							 | 
						||
| 
								 | 
							
								  types: t
							 | 
						||
| 
								 | 
							
								} = _babel.default || _babel;
							 | 
						||
| 
								 | 
							
								const runtimeCompat = "#__secret_key__@babel/runtime__compatibility";
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								const esnextFallback = (name, cb) => {
							 | 
						||
| 
								 | 
							
								  if (cb(name)) return true;
							 | 
						||
| 
								 | 
							
								  if (!name.startsWith("es.")) return false;
							 | 
						||
| 
								 | 
							
								  const fallback = `esnext.${name.slice(3)}`;
							 | 
						||
| 
								 | 
							
								  if (!_data.default[fallback]) return false;
							 | 
						||
| 
								 | 
							
								  return cb(fallback);
							 | 
						||
| 
								 | 
							
								};
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								var _default = (0, _helperDefinePolyfillProvider.default)(function ({
							 | 
						||
| 
								 | 
							
								  getUtils,
							 | 
						||
| 
								 | 
							
								  method,
							 | 
						||
| 
								 | 
							
								  shouldInjectPolyfill,
							 | 
						||
| 
								 | 
							
								  createMetaResolver,
							 | 
						||
| 
								 | 
							
								  debug,
							 | 
						||
| 
								 | 
							
								  babel
							 | 
						||
| 
								 | 
							
								}, {
							 | 
						||
| 
								 | 
							
								  version = 3,
							 | 
						||
| 
								 | 
							
								  proposals,
							 | 
						||
| 
								 | 
							
								  shippedProposals,
							 | 
						||
| 
								 | 
							
								  [runtimeCompat]: {
							 | 
						||
| 
								 | 
							
								    useBabelRuntime,
							 | 
						||
| 
								 | 
							
								    ext = ".js"
							 | 
						||
| 
								 | 
							
								  } = {
							 | 
						||
| 
								 | 
							
								    useBabelRuntime: ""
							 | 
						||
| 
								 | 
							
								  }
							 | 
						||
| 
								 | 
							
								}) {
							 | 
						||
| 
								 | 
							
								  const isWebpack = babel.caller(caller => (caller == null ? void 0 : caller.name) === "babel-loader");
							 | 
						||
| 
								 | 
							
								  const resolve = createMetaResolver({
							 | 
						||
| 
								 | 
							
								    global: _builtInDefinitions.BuiltIns,
							 | 
						||
| 
								 | 
							
								    static: _builtInDefinitions.StaticProperties,
							 | 
						||
| 
								 | 
							
								    instance: _builtInDefinitions.InstanceProperties
							 | 
						||
| 
								 | 
							
								  });
							 | 
						||
| 
								 | 
							
								  const available = new Set((0, _getModulesListForTargetVersion.default)(version));
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								  function getCoreJSPureBase(useProposalBase) {
							 | 
						||
| 
								 | 
							
								    return useBabelRuntime ? useProposalBase ? `${useBabelRuntime}/core-js` : `${useBabelRuntime}/core-js-stable` : useProposalBase ? "core-js-pure/features" : "core-js-pure/stable";
							 | 
						||
| 
								 | 
							
								  }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								  function maybeInjectGlobalImpl(name, utils) {
							 | 
						||
| 
								 | 
							
								    if (shouldInjectPolyfill(name)) {
							 | 
						||
| 
								 | 
							
								      debug(name);
							 | 
						||
| 
								 | 
							
								      utils.injectGlobalImport((0, _utils.coreJSModule)(name));
							 | 
						||
| 
								 | 
							
								      return true;
							 | 
						||
| 
								 | 
							
								    }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    return false;
							 | 
						||
| 
								 | 
							
								  }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								  function maybeInjectGlobal(names, utils, fallback = true) {
							 | 
						||
| 
								 | 
							
								    for (const name of names) {
							 | 
						||
| 
								 | 
							
								      if (fallback) {
							 | 
						||
| 
								 | 
							
								        esnextFallback(name, name => maybeInjectGlobalImpl(name, utils));
							 | 
						||
| 
								 | 
							
								      } else {
							 | 
						||
| 
								 | 
							
								        maybeInjectGlobalImpl(name, utils);
							 | 
						||
| 
								 | 
							
								      }
							 | 
						||
| 
								 | 
							
								    }
							 | 
						||
| 
								 | 
							
								  }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								  function maybeInjectPure(desc, hint, utils, object) {
							 | 
						||
| 
								 | 
							
								    if (desc.pure && !(object && desc.exclude && desc.exclude.includes(object)) && esnextFallback(desc.name, shouldInjectPolyfill)) {
							 | 
						||
| 
								 | 
							
								      const {
							 | 
						||
| 
								 | 
							
								        name
							 | 
						||
| 
								 | 
							
								      } = desc;
							 | 
						||
| 
								 | 
							
								      let useProposalBase = false;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								      if (proposals || shippedProposals && name.startsWith("esnext.")) {
							 | 
						||
| 
								 | 
							
								        useProposalBase = true;
							 | 
						||
| 
								 | 
							
								      } else if (name.startsWith("es.") && !available.has(name)) {
							 | 
						||
| 
								 | 
							
								        useProposalBase = true;
							 | 
						||
| 
								 | 
							
								      }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								      const coreJSPureBase = getCoreJSPureBase(useProposalBase);
							 | 
						||
| 
								 | 
							
								      return utils.injectDefaultImport(`${coreJSPureBase}/${desc.pure}${ext}`, hint);
							 | 
						||
| 
								 | 
							
								    }
							 | 
						||
| 
								 | 
							
								  }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								  function isFeatureStable(name) {
							 | 
						||
| 
								 | 
							
								    if (name.startsWith("esnext.")) {
							 | 
						||
| 
								 | 
							
								      const esName = `es.${name.slice(7)}`; // If its imaginative esName is not in latest compat data, it means
							 | 
						||
| 
								 | 
							
								      // the proposal is not stage 4
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								      return esName in _data.default;
							 | 
						||
| 
								 | 
							
								    }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    return true;
							 | 
						||
| 
								 | 
							
								  }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								  return {
							 | 
						||
| 
								 | 
							
								    name: "corejs3",
							 | 
						||
| 
								 | 
							
								    polyfills: _data.default,
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    filterPolyfills(name) {
							 | 
						||
| 
								 | 
							
								      if (!available.has(name)) return false;
							 | 
						||
| 
								 | 
							
								      if (proposals || method === "entry-global") return true;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								      if (shippedProposals && _shippedProposals.default.has(name)) {
							 | 
						||
| 
								 | 
							
								        return true;
							 | 
						||
| 
								 | 
							
								      }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								      return isFeatureStable(name);
							 | 
						||
| 
								 | 
							
								    },
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    entryGlobal(meta, utils, path) {
							 | 
						||
| 
								 | 
							
								      if (meta.kind !== "import") return;
							 | 
						||
| 
								 | 
							
								      const modules = (0, _utils.isCoreJSSource)(meta.source);
							 | 
						||
| 
								 | 
							
								      if (!modules) return;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								      if (modules.length === 1 && meta.source === (0, _utils.coreJSModule)(modules[0]) && shouldInjectPolyfill(modules[0])) {
							 | 
						||
| 
								 | 
							
								        // Avoid infinite loop: do not replace imports with a new copy of
							 | 
						||
| 
								 | 
							
								        // themselves.
							 | 
						||
| 
								 | 
							
								        debug(null);
							 | 
						||
| 
								 | 
							
								        return;
							 | 
						||
| 
								 | 
							
								      }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								      const modulesSet = new Set(modules);
							 | 
						||
| 
								 | 
							
								      const filteredModules = modules.filter(module => {
							 | 
						||
| 
								 | 
							
								        if (!module.startsWith("esnext.")) return true;
							 | 
						||
| 
								 | 
							
								        const stable = module.replace("esnext.", "es.");
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								        if (modulesSet.has(stable) && shouldInjectPolyfill(stable)) {
							 | 
						||
| 
								 | 
							
								          return false;
							 | 
						||
| 
								 | 
							
								        }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								        return true;
							 | 
						||
| 
								 | 
							
								      });
							 | 
						||
| 
								 | 
							
								      maybeInjectGlobal(filteredModules, utils, false);
							 | 
						||
| 
								 | 
							
								      path.remove();
							 | 
						||
| 
								 | 
							
								    },
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    usageGlobal(meta, utils, path) {
							 | 
						||
| 
								 | 
							
								      const resolved = resolve(meta);
							 | 
						||
| 
								 | 
							
								      if (!resolved) return;
							 | 
						||
| 
								 | 
							
								      if ((0, _usageFilters.default)(resolved.desc, path)) return;
							 | 
						||
| 
								 | 
							
								      let deps = resolved.desc.global;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								      if (resolved.kind !== "global" && "object" in meta && meta.object && meta.placement === "prototype") {
							 | 
						||
| 
								 | 
							
								        const low = meta.object.toLowerCase();
							 | 
						||
| 
								 | 
							
								        deps = deps.filter(m => m.includes(low) || _builtInDefinitions.CommonInstanceDependencies.has(m));
							 | 
						||
| 
								 | 
							
								      }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								      maybeInjectGlobal(deps, utils);
							 | 
						||
| 
								 | 
							
								    },
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    usagePure(meta, utils, path) {
							 | 
						||
| 
								 | 
							
								      if (meta.kind === "in") {
							 | 
						||
| 
								 | 
							
								        if (meta.key === "Symbol.iterator") {
							 | 
						||
| 
								 | 
							
								          path.replaceWith(t.callExpression(utils.injectDefaultImport((0, _utils.coreJSPureHelper)("is-iterable", useBabelRuntime, ext), "isIterable"), [path.node.right] // meta.kind === "in" narrows this
							 | 
						||
| 
								 | 
							
								          ));
							 | 
						||
| 
								 | 
							
								        }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								        return;
							 | 
						||
| 
								 | 
							
								      }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								      if (path.parentPath.isUnaryExpression({
							 | 
						||
| 
								 | 
							
								        operator: "delete"
							 | 
						||
| 
								 | 
							
								      })) return;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								      if (meta.kind === "property") {
							 | 
						||
| 
								 | 
							
								        // We can't compile destructuring and updateExpression.
							 | 
						||
| 
								 | 
							
								        if (!path.isMemberExpression()) return;
							 | 
						||
| 
								 | 
							
								        if (!path.isReferenced()) return;
							 | 
						||
| 
								 | 
							
								        if (path.parentPath.isUpdateExpression()) return;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								        if (t.isSuper(path.node.object)) {
							 | 
						||
| 
								 | 
							
								          return;
							 | 
						||
| 
								 | 
							
								        }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								        if (meta.key === "Symbol.iterator") {
							 | 
						||
| 
								 | 
							
								          if (!shouldInjectPolyfill("es.symbol.iterator")) return;
							 | 
						||
| 
								 | 
							
								          const {
							 | 
						||
| 
								 | 
							
								            parent,
							 | 
						||
| 
								 | 
							
								            node
							 | 
						||
| 
								 | 
							
								          } = path;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								          if (t.isCallExpression(parent, {
							 | 
						||
| 
								 | 
							
								            callee: node
							 | 
						||
| 
								 | 
							
								          })) {
							 | 
						||
| 
								 | 
							
								            if (parent.arguments.length === 0) {
							 | 
						||
| 
								 | 
							
								              path.parentPath.replaceWith(t.callExpression(utils.injectDefaultImport((0, _utils.coreJSPureHelper)("get-iterator", useBabelRuntime, ext), "getIterator"), [node.object]));
							 | 
						||
| 
								 | 
							
								              path.skip();
							 | 
						||
| 
								 | 
							
								            } else {
							 | 
						||
| 
								 | 
							
								              (0, _utils.callMethod)(path, utils.injectDefaultImport((0, _utils.coreJSPureHelper)("get-iterator-method", useBabelRuntime, ext), "getIteratorMethod"));
							 | 
						||
| 
								 | 
							
								            }
							 | 
						||
| 
								 | 
							
								          } else {
							 | 
						||
| 
								 | 
							
								            path.replaceWith(t.callExpression(utils.injectDefaultImport((0, _utils.coreJSPureHelper)("get-iterator-method", useBabelRuntime, ext), "getIteratorMethod"), [path.node.object]));
							 | 
						||
| 
								 | 
							
								          }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								          return;
							 | 
						||
| 
								 | 
							
								        }
							 | 
						||
| 
								 | 
							
								      }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								      let resolved = resolve(meta);
							 | 
						||
| 
								 | 
							
								      if (!resolved) return;
							 | 
						||
| 
								 | 
							
								      if ((0, _usageFilters.default)(resolved.desc, path)) return;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								      if (useBabelRuntime && resolved.desc.pure && resolved.desc.pure.slice(-6) === "/index") {
							 | 
						||
| 
								 | 
							
								        // Remove /index, since it doesn't exist in @babel/runtime-corejs3s
							 | 
						||
| 
								 | 
							
								        resolved = _extends({}, resolved, {
							 | 
						||
| 
								 | 
							
								          desc: _extends({}, resolved.desc, {
							 | 
						||
| 
								 | 
							
								            pure: resolved.desc.pure.slice(0, -6)
							 | 
						||
| 
								 | 
							
								          })
							 | 
						||
| 
								 | 
							
								        });
							 | 
						||
| 
								 | 
							
								      }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								      if (resolved.kind === "global") {
							 | 
						||
| 
								 | 
							
								        const id = maybeInjectPure(resolved.desc, resolved.name, utils);
							 | 
						||
| 
								 | 
							
								        if (id) path.replaceWith(id);
							 | 
						||
| 
								 | 
							
								      } else if (resolved.kind === "static") {
							 | 
						||
| 
								 | 
							
								        const id = maybeInjectPure(resolved.desc, resolved.name, utils, // @ts-expect-error
							 | 
						||
| 
								 | 
							
								        meta.object);
							 | 
						||
| 
								 | 
							
								        if (id) path.replaceWith(id);
							 | 
						||
| 
								 | 
							
								      } else if (resolved.kind === "instance") {
							 | 
						||
| 
								 | 
							
								        const id = maybeInjectPure(resolved.desc, `${resolved.name}InstanceProperty`, utils, // @ts-expect-error
							 | 
						||
| 
								 | 
							
								        meta.object);
							 | 
						||
| 
								 | 
							
								        if (!id) return;
							 | 
						||
| 
								 | 
							
								        const {
							 | 
						||
| 
								 | 
							
								          node
							 | 
						||
| 
								 | 
							
								        } = path;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								        if (t.isCallExpression(path.parent, {
							 | 
						||
| 
								 | 
							
								          callee: node
							 | 
						||
| 
								 | 
							
								        })) {
							 | 
						||
| 
								 | 
							
								          (0, _utils.callMethod)(path, id);
							 | 
						||
| 
								 | 
							
								        } else {
							 | 
						||
| 
								 | 
							
								          path.replaceWith(t.callExpression(id, [node.object]));
							 | 
						||
| 
								 | 
							
								        }
							 | 
						||
| 
								 | 
							
								      }
							 | 
						||
| 
								 | 
							
								    },
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    visitor: method === "usage-global" && {
							 | 
						||
| 
								 | 
							
								      // import("foo")
							 | 
						||
| 
								 | 
							
								      CallExpression(path) {
							 | 
						||
| 
								 | 
							
								        if (path.get("callee").isImport()) {
							 | 
						||
| 
								 | 
							
								          const utils = getUtils(path);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								          if (isWebpack) {
							 | 
						||
| 
								 | 
							
								            // Webpack uses Promise.all to handle dynamic import.
							 | 
						||
| 
								 | 
							
								            maybeInjectGlobal(_builtInDefinitions.PromiseDependenciesWithIterators, utils);
							 | 
						||
| 
								 | 
							
								          } else {
							 | 
						||
| 
								 | 
							
								            maybeInjectGlobal(_builtInDefinitions.PromiseDependencies, utils);
							 | 
						||
| 
								 | 
							
								          }
							 | 
						||
| 
								 | 
							
								        }
							 | 
						||
| 
								 | 
							
								      },
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								      // (async function () { }).finally(...)
							 | 
						||
| 
								 | 
							
								      Function(path) {
							 | 
						||
| 
								 | 
							
								        if (path.node.async) {
							 | 
						||
| 
								 | 
							
								          maybeInjectGlobal(_builtInDefinitions.PromiseDependencies, getUtils(path));
							 | 
						||
| 
								 | 
							
								        }
							 | 
						||
| 
								 | 
							
								      },
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								      // for-of, [a, b] = c
							 | 
						||
| 
								 | 
							
								      "ForOfStatement|ArrayPattern"(path) {
							 | 
						||
| 
								 | 
							
								        maybeInjectGlobal(_builtInDefinitions.CommonIterators, getUtils(path));
							 | 
						||
| 
								 | 
							
								      },
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								      // [...spread]
							 | 
						||
| 
								 | 
							
								      SpreadElement(path) {
							 | 
						||
| 
								 | 
							
								        if (!path.parentPath.isObjectExpression()) {
							 | 
						||
| 
								 | 
							
								          maybeInjectGlobal(_builtInDefinitions.CommonIterators, getUtils(path));
							 | 
						||
| 
								 | 
							
								        }
							 | 
						||
| 
								 | 
							
								      },
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								      // yield*
							 | 
						||
| 
								 | 
							
								      YieldExpression(path) {
							 | 
						||
| 
								 | 
							
								        if (path.node.delegate) {
							 | 
						||
| 
								 | 
							
								          maybeInjectGlobal(_builtInDefinitions.CommonIterators, getUtils(path));
							 | 
						||
| 
								 | 
							
								        }
							 | 
						||
| 
								 | 
							
								      }
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    }
							 | 
						||
| 
								 | 
							
								  };
							 | 
						||
| 
								 | 
							
								});
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								exports.default = _default;
							 |