/** * Copyright (c) Meta Platforms, Inc. and affiliates. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. * * * @format */ 'use strict'; Object.defineProperty(exports, "__esModule", { value: true }); exports.default = BabelPluginSyntaxHermesParser; var HermesParser = _interopRequireWildcard(require("hermes-parser")); 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 BabelPluginSyntaxHermesParser( // $FlowExpectedError[unclear-type] We don't have types for this. api, options) { api.assertVersion('^7.0.0 || ^8.0.0-alpha.6'); const { parseLangTypes = 'all' } = options; let curParserOpts = {}; let curFilename = null; return { name: 'syntax-hermes-parser', manipulateOptions(opts) { curParserOpts = opts.parserOpts; curFilename = opts.filename; }, // API suggested via https://babeljs.io/docs/babel-parser#will-the-babel-parser-support-a-plugin-system parserOverride(code) { const filename = curFilename; if (filename != null && (filename.endsWith('.ts') || filename.endsWith('.tsx'))) { return; } const parserOpts = {}; for (const [key, value] of Object.entries(curParserOpts)) { if (HermesParser.ParserOptionsKeys.has(key)) { // $FlowExpectedError[incompatible-type] parserOpts[key] = value; } } if (parseLangTypes === 'flow' && !/@flow/.test(code)) { return; } return HermesParser.parse(code, { ...parserOpts, babel: true }); }, pre() { curParserOpts = {}; } }; }