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					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; |