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66 lines
3.0 KiB
66 lines
3.0 KiB
/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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*
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* @format
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*/
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'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.parse = parse;
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var HermesParser = _interopRequireWildcard(require("./HermesParser"));
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var _HermesToBabelAdapter = _interopRequireDefault(require("./HermesToBabelAdapter"));
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var _HermesToESTreeAdapter = _interopRequireDefault(require("./HermesToESTreeAdapter"));
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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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); }
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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; }
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const DEFAULTS = {
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flow: 'detect'
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};
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function getOptions(options = { ...DEFAULTS
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}) {
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// Default to detecting whether to parse Flow syntax by the presence
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// of an pragma.
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if (options.flow == null) {
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options.flow = DEFAULTS.flow;
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} else if (options.flow !== 'all' && options.flow !== 'detect') {
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throw new Error('flow option must be "all" or "detect"');
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}
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if (options.sourceType === 'unambiguous') {
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// Clear source type so that it will be detected from the contents of the file
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delete options.sourceType;
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} else if (options.sourceType != null && options.sourceType !== 'script' && options.sourceType !== 'module') {
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throw new Error('sourceType option must be "script", "module", or "unambiguous" if set');
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}
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options.tokens = options.tokens === true;
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options.allowReturnOutsideFunction = options.allowReturnOutsideFunction === true;
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return options;
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}
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function getAdapter(options, code) {
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return options.babel === true ? new _HermesToBabelAdapter.default(options) : new _HermesToESTreeAdapter.default(options, code);
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} // $FlowExpectedError[unclear-type]
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// eslint-disable-next-line no-redeclare
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function parse(code, opts) {
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const options = getOptions(opts);
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const ast = HermesParser.parse(code, options);
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const adapter = getAdapter(options, code);
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return adapter.transform(ast);
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} |