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					170 lines
				
				5.9 KiB
			
		
		
			
		
	
	
					170 lines
				
				5.9 KiB
			| 
											3 years ago
										 | "use strict"; | ||
|  | 
 | ||
|  | exports.__esModule = true; | ||
|  | exports.default = void 0; | ||
|  | 
 | ||
|  | var _corejs2BuiltIns = _interopRequireDefault(require("@babel/compat-data/corejs2-built-ins")); | ||
|  | 
 | ||
|  | var _builtInDefinitions = require("./built-in-definitions"); | ||
|  | 
 | ||
|  | var _addPlatformSpecificPolyfills = _interopRequireDefault(require("./add-platform-specific-polyfills")); | ||
|  | 
 | ||
|  | var _helpers = require("./helpers"); | ||
|  | 
 | ||
|  | var _helperDefinePolyfillProvider = _interopRequireDefault(require("@babel/helper-define-polyfill-provider")); | ||
|  | 
 | ||
|  | var _babel = _interopRequireWildcard(require("@babel/core")); | ||
|  | 
 | ||
|  | 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 }; } | ||
|  | 
 | ||
|  | const { | ||
|  |   types: t | ||
|  | } = _babel.default || _babel; | ||
|  | const presetEnvCompat = "#__secret_key__@babel/preset-env__compatibility"; | ||
|  | const runtimeCompat = "#__secret_key__@babel/runtime__compatibility"; | ||
|  | const has = Function.call.bind(Object.hasOwnProperty); | ||
|  | 
 | ||
|  | var _default = (0, _helperDefinePolyfillProvider.default)(function (api, { | ||
|  |   [presetEnvCompat]: { | ||
|  |     entryInjectRegenerator | ||
|  |   } = { | ||
|  |     entryInjectRegenerator: false | ||
|  |   }, | ||
|  |   [runtimeCompat]: { | ||
|  |     useBabelRuntime, | ||
|  |     runtimeVersion, | ||
|  |     ext = ".js" | ||
|  |   } = { | ||
|  |     useBabelRuntime: "", | ||
|  |     runtimeVersion: "" | ||
|  |   } | ||
|  | }) { | ||
|  |   const resolve = api.createMetaResolver({ | ||
|  |     global: _builtInDefinitions.BuiltIns, | ||
|  |     static: _builtInDefinitions.StaticProperties, | ||
|  |     instance: _builtInDefinitions.InstanceProperties | ||
|  |   }); | ||
|  |   const { | ||
|  |     debug, | ||
|  |     shouldInjectPolyfill, | ||
|  |     method | ||
|  |   } = api; | ||
|  |   const polyfills = (0, _addPlatformSpecificPolyfills.default)(api.targets, method, _corejs2BuiltIns.default); | ||
|  |   const coreJSBase = useBabelRuntime ? `${useBabelRuntime}/core-js` : method === "usage-pure" ? "core-js/library/fn" : "core-js/modules"; | ||
|  | 
 | ||
|  |   function inject(name, utils) { | ||
|  |     if (typeof name === "string") { | ||
|  |       // Some polyfills aren't always available, for example
 | ||
|  |       // web.dom.iterable when targeting node
 | ||
|  |       if (has(polyfills, name) && shouldInjectPolyfill(name)) { | ||
|  |         debug(name); | ||
|  |         utils.injectGlobalImport(`${coreJSBase}/${name}.js`); | ||
|  |       } | ||
|  | 
 | ||
|  |       return; | ||
|  |     } | ||
|  | 
 | ||
|  |     name.forEach(name => inject(name, utils)); | ||
|  |   } | ||
|  | 
 | ||
|  |   function maybeInjectPure(desc, hint, utils) { | ||
|  |     const { | ||
|  |       pure, | ||
|  |       meta, | ||
|  |       name | ||
|  |     } = desc; | ||
|  |     if (!pure || !shouldInjectPolyfill(name)) return; | ||
|  | 
 | ||
|  |     if (runtimeVersion && meta && meta.minRuntimeVersion && !(0, _helpers.hasMinVersion)(meta && meta.minRuntimeVersion, runtimeVersion)) { | ||
|  |       return; | ||
|  |     } | ||
|  | 
 | ||
|  |     return utils.injectDefaultImport(`${coreJSBase}/${pure}${ext}`, hint); | ||
|  |   } | ||
|  | 
 | ||
|  |   return { | ||
|  |     name: "corejs2", | ||
|  |     polyfills, | ||
|  | 
 | ||
|  |     entryGlobal(meta, utils, path) { | ||
|  |       if (meta.kind === "import" && meta.source === "core-js") { | ||
|  |         debug(null); | ||
|  |         inject(Object.keys(polyfills), utils); | ||
|  | 
 | ||
|  |         if (entryInjectRegenerator) { | ||
|  |           utils.injectGlobalImport("regenerator-runtime/runtime.js"); | ||
|  |         } | ||
|  | 
 | ||
|  |         path.remove(); | ||
|  |       } | ||
|  |     }, | ||
|  | 
 | ||
|  |     usageGlobal(meta, utils) { | ||
|  |       const resolved = resolve(meta); | ||
|  |       if (!resolved) 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)); | ||
|  |       } | ||
|  | 
 | ||
|  |       inject(deps, utils); | ||
|  |     }, | ||
|  | 
 | ||
|  |     usagePure(meta, utils, path) { | ||
|  |       if (meta.kind === "in") { | ||
|  |         if (meta.key === "Symbol.iterator") { | ||
|  |           path.replaceWith(t.callExpression(utils.injectDefaultImport(`${coreJSBase}/is-iterable${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.
 | ||
|  |         if (!path.isMemberExpression()) return; | ||
|  |         if (!path.isReferenced()) return; | ||
|  | 
 | ||
|  |         if (meta.key === "Symbol.iterator" && shouldInjectPolyfill("es6.symbol") && path.parentPath.isCallExpression({ | ||
|  |           callee: path.node | ||
|  |         }) && path.parentPath.node.arguments.length === 0) { | ||
|  |           path.parentPath.replaceWith(t.callExpression(utils.injectDefaultImport(`${coreJSBase}/get-iterator${ext}`, "getIterator"), [path.node.object])); | ||
|  |           path.skip(); | ||
|  |           return; | ||
|  |         } | ||
|  |       } | ||
|  | 
 | ||
|  |       const resolved = resolve(meta); | ||
|  |       if (!resolved) return; | ||
|  |       const id = maybeInjectPure(resolved.desc, resolved.name, utils); | ||
|  |       if (id) path.replaceWith(id); | ||
|  |     }, | ||
|  | 
 | ||
|  |     visitor: method === "usage-global" && { | ||
|  |       // yield*
 | ||
|  |       YieldExpression(path) { | ||
|  |         if (path.node.delegate) { | ||
|  |           inject("web.dom.iterable", api.getUtils(path)); | ||
|  |         } | ||
|  |       }, | ||
|  | 
 | ||
|  |       // for-of, [a, b] = c
 | ||
|  |       "ForOfStatement|ArrayPattern"(path) { | ||
|  |         _builtInDefinitions.CommonIterators.forEach(name => inject(name, api.getUtils(path))); | ||
|  |       } | ||
|  | 
 | ||
|  |     } | ||
|  |   }; | ||
|  | }); | ||
|  | 
 | ||
|  | exports.default = _default; |