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