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- "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;
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