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							309 lines
						
					
					
						
							11 KiB
						
					
					
				| "use strict";
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| 
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| exports.__esModule = true;
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| exports.default = void 0;
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| 
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| var _data = _interopRequireDefault(require("../core-js-compat/data.js"));
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| 
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| var _shippedProposals = _interopRequireDefault(require("./shipped-proposals"));
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| 
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| var _getModulesListForTargetVersion = _interopRequireDefault(require("../core-js-compat/get-modules-list-for-target-version.js"));
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| 
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| var _builtInDefinitions = require("./built-in-definitions");
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| 
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| var _usageFilters = _interopRequireDefault(require("./usage-filters"));
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| 
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| var _babel = _interopRequireWildcard(require("@babel/core"));
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| 
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| var _utils = require("./utils");
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| 
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| var _helperDefinePolyfillProvider = _interopRequireDefault(require("@babel/helper-define-polyfill-provider"));
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| 
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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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| 
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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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| 
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| function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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|     return false;
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|   }
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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|       return esName in _data.default;
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|     }
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| 
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|     return true;
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|   }
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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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| 
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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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| 
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|       if (shippedProposals && _shippedProposals.default.has(name)) {
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|         return true;
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|       }
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| 
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|       return isFeatureStable(name);
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|     },
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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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| 
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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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| 
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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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| 
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|         if (modulesSet.has(stable) && shouldInjectPolyfill(stable)) {
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|           return false;
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|         }
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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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| 
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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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| 
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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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| 
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|       maybeInjectGlobal(deps, utils);
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|     },
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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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| 
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|         return;
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|       }
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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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| 
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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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| 
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|         if (t.isSuper(path.node.object)) {
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|           return;
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|         }
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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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| 
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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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| 
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|           return;
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|         }
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| });
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| 
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| exports.default = _default; |