react-docgen/dist/babelParser.js

A CLI and toolkit to extract information from React components for documentation generation.

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = buildParse;

var _objectSpread2 = _interopRequireDefault(require("@babel/runtime/helpers/objectSpread"));

/*
 * Copyright (c) 2015, Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the BSD-style license found in the
 * LICENSE file in the root directory of this source tree. An additional grant
 * of patent rights can be found in the PATENTS file in the same directory.
 *
 * 
 *
 */
const babel = require('@babel/core');

const defaultPlugins = ['jsx', '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'];

function buildOptions({
  cwd,
  filename,
  parserOptions
}) {
  let options = {
    plugins: []
  };

  if (parserOptions) {
    options = (0, _objectSpread2.default)({}, parserOptions, {
      plugins: parserOptions.plugins ? [...parserOptions.plugins] : []
    });
  }

  const partialConfig = babel.loadPartialConfig({
    cwd,
    filename
  });

  if (!partialConfig.hasFilesystemConfig() && options.plugins.length === 0) {
    options.plugins = [...defaultPlugins];
  } // Recast needs tokens to be in the tree
  // $FlowIssue tokens is clearly in the Options


  options.tokens = true; // Ensure we always have estree plugin enabled, if we add it a second time
  // here it does not matter

  options.plugins.push('estree');
  return options;
}

function buildParse(options = {}) {
  const parserOpts = buildOptions(options);
  return {
    parse(src) {
      return babel.parseSync(src, {
        parserOpts,
        cwd: options.cwd,
        filename: options.filename
      });
    }

  };
}