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335 lines
12 KiB
335 lines
12 KiB
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = void 0;
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var _path = _interopRequireDefault(require("path"));
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var _resolve = _interopRequireDefault(require("resolve"));
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var _helperPluginUtils = require("@babel/helper-plugin-utils");
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var _helperModuleImports = require("@babel/helper-module-imports");
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var _core = require("@babel/core");
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var _runtimeCorejs2Definitions = _interopRequireDefault(require("./runtime-corejs2-definitions"));
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var _runtimeCorejs3Definitions = _interopRequireDefault(require("./runtime-corejs3-definitions"));
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var _helpers = require("./helpers");
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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function resolveAbsoluteRuntime(moduleName, dirname) {
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try {
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return _path.default.dirname(_resolve.default.sync(`${moduleName}/package.json`, {
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basedir: dirname
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}));
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} catch (err) {
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if (err.code !== "MODULE_NOT_FOUND") throw err;
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throw Object.assign(new Error(`Failed to resolve "${moduleName}" relative to "${dirname}"`), {
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code: "BABEL_RUNTIME_NOT_FOUND",
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runtime: moduleName,
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dirname
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});
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}
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}
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function supportsStaticESM(caller) {
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return !!(caller && caller.supportsStaticESM);
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}
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var _default = (0, _helperPluginUtils.declare)((api, options, dirname) => {
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api.assertVersion(7);
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const {
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corejs,
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helpers: useRuntimeHelpers = true,
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regenerator: useRuntimeRegenerator = true,
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useESModules = false,
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version: runtimeVersion = "7.0.0-beta.0",
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absoluteRuntime = false
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} = options;
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let proposals = false;
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let rawVersion;
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if (typeof corejs === "object" && corejs !== null) {
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rawVersion = corejs.version;
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proposals = Boolean(corejs.proposals);
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} else {
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rawVersion = corejs;
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}
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const corejsVersion = rawVersion ? Number(rawVersion) : false;
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if (![false, 2, 3].includes(corejsVersion)) {
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throw new Error(`The \`core-js\` version must be false, 2 or 3, but got ${JSON.stringify(rawVersion)}.`);
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}
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if (proposals && (!corejsVersion || corejsVersion < 3)) {
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throw new Error("The 'proposals' option is only supported when using 'corejs: 3'");
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}
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if (typeof useRuntimeRegenerator !== "boolean") {
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throw new Error("The 'regenerator' option must be undefined, or a boolean.");
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}
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if (typeof useRuntimeHelpers !== "boolean") {
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throw new Error("The 'helpers' option must be undefined, or a boolean.");
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}
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if (typeof useESModules !== "boolean" && useESModules !== "auto") {
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throw new Error("The 'useESModules' option must be undefined, or a boolean, or 'auto'.");
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}
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if (typeof absoluteRuntime !== "boolean" && typeof absoluteRuntime !== "string") {
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throw new Error("The 'absoluteRuntime' option must be undefined, a boolean, or a string.");
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}
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if (typeof runtimeVersion !== "string") {
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throw new Error(`The 'version' option must be a version string.`);
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}
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function has(obj, key) {
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return Object.prototype.hasOwnProperty.call(obj, key);
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}
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function hasMapping(methods, name) {
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return has(methods, name) && (proposals || methods[name].stable);
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}
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function hasStaticMapping(object, method) {
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return has(StaticProperties, object) && hasMapping(StaticProperties[object], method);
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}
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function isNamespaced(path) {
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const binding = path.scope.getBinding(path.node.name);
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if (!binding) return false;
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return binding.path.isImportNamespaceSpecifier();
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}
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function maybeNeedsPolyfill(path, methods, name) {
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if (isNamespaced(path.get("object"))) return false;
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if (!methods[name].types) return true;
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const typeAnnotation = path.get("object").getTypeAnnotation();
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const type = (0, _helpers.typeAnnotationToString)(typeAnnotation);
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if (!type) return true;
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return methods[name].types.some(name => name === type);
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}
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function resolvePropertyName(path, computed) {
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const {
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node
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} = path;
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if (!computed) return node.name;
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if (path.isStringLiteral()) return node.value;
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const result = path.evaluate();
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return result.value;
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}
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if (has(options, "useBuiltIns")) {
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if (options.useBuiltIns) {
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throw new Error("The 'useBuiltIns' option has been removed. The @babel/runtime " + "module now uses builtins by default.");
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} else {
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throw new Error("The 'useBuiltIns' option has been removed. Use the 'corejs'" + "option to polyfill with `core-js` via @babel/runtime.");
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}
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}
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if (has(options, "polyfill")) {
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if (options.polyfill === false) {
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throw new Error("The 'polyfill' option has been removed. The @babel/runtime " + "module now skips polyfilling by default.");
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} else {
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throw new Error("The 'polyfill' option has been removed. Use the 'corejs'" + "option to polyfill with `core-js` via @babel/runtime.");
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}
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}
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if (has(options, "moduleName")) {
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throw new Error("The 'moduleName' option has been removed. @babel/transform-runtime " + "no longer supports arbitrary runtimes. If you were using this to " + "set an absolute path for Babel's standard runtimes, please use the " + "'absoluteRuntime' option.");
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}
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const esModules = useESModules === "auto" ? api.caller(supportsStaticESM) : useESModules;
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const injectCoreJS2 = corejsVersion === 2;
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const injectCoreJS3 = corejsVersion === 3;
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const injectCoreJS = corejsVersion !== false;
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const moduleName = injectCoreJS3 ? "@babel/runtime-corejs3" : injectCoreJS2 ? "@babel/runtime-corejs2" : "@babel/runtime";
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const corejsRoot = injectCoreJS3 && !proposals ? "core-js-stable" : "core-js";
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const {
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BuiltIns,
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StaticProperties,
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InstanceProperties
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} = (injectCoreJS2 ? _runtimeCorejs2Definitions.default : _runtimeCorejs3Definitions.default)(runtimeVersion);
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const HEADER_HELPERS = ["interopRequireWildcard", "interopRequireDefault"];
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let modulePath = moduleName;
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if (absoluteRuntime !== false) {
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modulePath = resolveAbsoluteRuntime(moduleName, _path.default.resolve(dirname, absoluteRuntime === true ? "." : absoluteRuntime));
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}
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return {
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name: "transform-runtime",
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pre(file) {
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if (useRuntimeHelpers) {
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file.set("helperGenerator", name => {
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if (file.availableHelper && !file.availableHelper(name, runtimeVersion)) {
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return;
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}
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const isInteropHelper = HEADER_HELPERS.indexOf(name) !== -1;
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const blockHoist = isInteropHelper && !(0, _helperModuleImports.isModule)(file.path) ? 4 : undefined;
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const helpersDir = esModules && file.path.node.sourceType === "module" ? "helpers/esm" : "helpers";
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return this.addDefaultImport(`${modulePath}/${helpersDir}/${name}`, name, blockHoist);
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});
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}
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const cache = new Map();
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this.addDefaultImport = (source, nameHint, blockHoist) => {
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const cacheKey = (0, _helperModuleImports.isModule)(file.path);
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const key = `${source}:${nameHint}:${cacheKey || ""}`;
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let cached = cache.get(key);
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if (cached) {
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cached = _core.types.cloneNode(cached);
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} else {
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cached = (0, _helperModuleImports.addDefault)(file.path, source, {
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importedInterop: "uncompiled",
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nameHint,
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blockHoist
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});
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cache.set(key, cached);
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}
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return cached;
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};
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},
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visitor: {
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ReferencedIdentifier(path) {
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const {
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node,
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parent,
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scope
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} = path;
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const {
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name
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} = node;
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if (name === "regeneratorRuntime" && useRuntimeRegenerator) {
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path.replaceWith(this.addDefaultImport(`${modulePath}/regenerator`, "regeneratorRuntime"));
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return;
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}
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if (!injectCoreJS) return;
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if (_core.types.isMemberExpression(parent)) return;
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if (!hasMapping(BuiltIns, name)) return;
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if (scope.getBindingIdentifier(name)) return;
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path.replaceWith(this.addDefaultImport(`${modulePath}/${corejsRoot}/${BuiltIns[name].path}`, name));
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},
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CallExpression(path) {
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if (!injectCoreJS) return;
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const {
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node
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} = path;
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const {
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callee
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} = node;
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if (!_core.types.isMemberExpression(callee)) return;
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const {
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object
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} = callee;
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const propertyName = resolvePropertyName(path.get("callee.property"), callee.computed);
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if (injectCoreJS3 && !hasStaticMapping(object.name, propertyName)) {
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if (hasMapping(InstanceProperties, propertyName) && maybeNeedsPolyfill(path.get("callee"), InstanceProperties, propertyName)) {
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let context1, context2;
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if (_core.types.isIdentifier(object)) {
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context1 = object;
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context2 = _core.types.cloneNode(object);
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} else {
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context1 = path.scope.generateDeclaredUidIdentifier("context");
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context2 = _core.types.assignmentExpression("=", context1, object);
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}
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node.callee = _core.types.memberExpression(_core.types.callExpression(this.addDefaultImport(`${moduleName}/${corejsRoot}/instance/${InstanceProperties[propertyName].path}`, `${propertyName}InstanceProperty`), [context2]), _core.types.identifier("call"));
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node.arguments.unshift(context1);
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return;
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}
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}
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if (node.arguments.length) return;
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if (!callee.computed) return;
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if (!path.get("callee.property").matchesPattern("Symbol.iterator")) {
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return;
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}
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path.replaceWith(_core.types.callExpression(this.addDefaultImport(`${modulePath}/core-js/get-iterator`, "getIterator"), [object]));
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},
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BinaryExpression(path) {
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if (!injectCoreJS) return;
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if (path.node.operator !== "in") return;
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if (!path.get("left").matchesPattern("Symbol.iterator")) return;
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path.replaceWith(_core.types.callExpression(this.addDefaultImport(`${modulePath}/core-js/is-iterable`, "isIterable"), [path.node.right]));
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},
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MemberExpression: {
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enter(path) {
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if (!injectCoreJS) return;
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if (!path.isReferenced()) return;
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const {
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node
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} = path;
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const {
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object
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} = node;
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if (!_core.types.isReferenced(object, node)) return;
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if (!injectCoreJS2 && node.computed && path.get("property").matchesPattern("Symbol.iterator")) {
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path.replaceWith(_core.types.callExpression(this.addDefaultImport(`${moduleName}/core-js/get-iterator-method`, "getIteratorMethod"), [object]));
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return;
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}
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const objectName = object.name;
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const propertyName = resolvePropertyName(path.get("property"), node.computed);
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if (path.scope.getBindingIdentifier(objectName) || !hasStaticMapping(objectName, propertyName)) {
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if (injectCoreJS3 && hasMapping(InstanceProperties, propertyName) && maybeNeedsPolyfill(path, InstanceProperties, propertyName)) {
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path.replaceWith(_core.types.callExpression(this.addDefaultImport(`${moduleName}/${corejsRoot}/instance/${InstanceProperties[propertyName].path}`, `${propertyName}InstanceProperty`), [object]));
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}
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return;
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}
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path.replaceWith(this.addDefaultImport(`${modulePath}/${corejsRoot}/${StaticProperties[objectName][propertyName].path}`, `${objectName}$${propertyName}`));
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},
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exit(path) {
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if (!injectCoreJS) return;
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if (!path.isReferenced()) return;
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if (path.node.computed) return;
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const {
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node
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} = path;
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const {
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object
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} = node;
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const {
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name
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} = object;
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if (!hasMapping(BuiltIns, name)) return;
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if (path.scope.getBindingIdentifier(name)) return;
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path.replaceWith(_core.types.memberExpression(this.addDefaultImport(`${modulePath}/${corejsRoot}/${BuiltIns[name].path}`, name), node.property));
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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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