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rOACCT/node_modules/react-docgen/dist/babelParser.js
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babelParser.js
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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = buildParse;
/**
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
*/
const babel = require('@babel/core');
const path = require('path');
const TYPESCRIPT_EXTS = {
'.ts': true,
'.tsx': true
};
function getDefaultPlugins(options) {
return ['jsx', TYPESCRIPT_EXTS[path.extname(options.filename || '')] ? 'typescript' : 'flow', 'asyncGenerators', 'bigInt', 'classProperties', 'classPrivateProperties', 'classPrivateMethods', ['decorators', {
decoratorsBeforeExport: false
}], 'doExpressions', 'dynamicImport', 'exportDefaultFrom', 'exportNamespaceFrom', 'functionBind', 'functionSent', 'importMeta', 'logicalAssignment', 'nullishCoalescingOperator', 'numericSeparator', 'objectRestSpread', 'optionalCatchBinding', 'optionalChaining', ['pipelineOperator', {
proposal: 'minimal'
}], 'throwExpressions', 'topLevelAwait'];
}
function buildOptions(parserOptions, babelOptions) {
let parserOpts = {
plugins: []
};
if (parserOptions) {
parserOpts = { ...parserOptions,
plugins: parserOptions.plugins ? [...parserOptions.plugins] : []
};
}
const partialConfig = babel.loadPartialConfig(babelOptions);
if (!partialConfig.hasFilesystemConfig() && parserOpts.plugins.length === 0) {
parserOpts.plugins = getDefaultPlugins(babelOptions);
} // Ensure we always have estree plugin enabled, if we add it a second time
// here it does not matter
parserOpts.plugins.push('estree');
return parserOpts;
}
function buildParse(options = {}) {
const {
parserOptions,
...babelOptions
} = options;
const parserOpts = buildOptions(parserOptions, babelOptions);
return {
parse(src) {
return babel.parseSync(src, {
parserOpts,
...babelOptions
});
}
};
}
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