291 lines
10 KiB
JavaScript
291 lines
10 KiB
JavaScript
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"use strict";
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exports.__esModule = true;
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exports.default = void 0;
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var _data = _interopRequireDefault(require("../core-js-compat/data.js"));
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var _shippedProposals = _interopRequireDefault(require("./shipped-proposals"));
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var _getModulesListForTargetVersion = _interopRequireDefault(require("../core-js-compat/get-modules-list-for-target-version.js"));
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var _builtInDefinitions = require("./built-in-definitions");
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var babel = _interopRequireWildcard(require("@babel/core"));
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var _utils = require("./utils");
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var _helperDefinePolyfillProvider = _interopRequireDefault(require("@babel/helper-define-polyfill-provider"));
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function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function () { return cache; }; return cache; }
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function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (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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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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function _extends() { _extends = Object.assign || 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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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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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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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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}) {
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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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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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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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return false;
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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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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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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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const coreJSPureBase = getCoreJSPureBase(useProposalBase);
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return utils.injectDefaultImport( // $FlowIgnore, we already guard desc.pure
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`${coreJSPureBase}/${desc.pure}${ext}`, hint);
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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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return esName in _data.default;
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}
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return true;
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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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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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if (shippedProposals && _shippedProposals.default.has(name)) {
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return true;
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}
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return isFeatureStable(name);
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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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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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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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if (modulesSet.has(stable) && shouldInjectPolyfill(stable)) {
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return false;
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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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usageGlobal(meta, utils) {
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const resolved = resolve(meta);
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if (!resolved) return;
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let deps = resolved.desc.global;
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if (resolved.kind !== "global" && 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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maybeInjectGlobal(deps, utils);
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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]));
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}
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return;
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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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let isCall;
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if (meta.kind === "property") {
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// We can't compile destructuring.
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if (!path.isMemberExpression()) return;
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if (!path.isReferenced()) return;
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isCall = path.parentPath.isCallExpression({
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callee: path.node
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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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if (isCall) {
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if (path.parent.arguments.length === 0) {
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path.parentPath.replaceWith(t.callExpression(utils.injectDefaultImport((0, _utils.coreJSPureHelper)("get-iterator", useBabelRuntime, ext), "getIterator"), [path.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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return;
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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 (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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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, // $FlowIgnore
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meta.object);
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if (id) path.replaceWith(id);
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} else if (resolved.kind === "instance") {
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const id = maybeInjectPure(resolved.desc, `${resolved.name}InstanceProperty`, utils, // $FlowIgnore
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meta.object);
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if (!id) return;
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if (isCall) {
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(0, _utils.callMethod)(path, id);
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} else {
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path.replaceWith(t.callExpression(id, [path.node.object]));
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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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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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// [...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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// 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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exports.default = _default;
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