canonical/node_modules/eslint-plugin-import/lib/core/parse.js

Canonical code style linter and formatter for JavaScript, SCSS and CSS.

'use strict';

var _Object$assign = require('babel-runtime/core-js/object/assign')['default'];

var _interopRequireDefault = require('babel-runtime/helpers/interop-require-default')['default'];

Object.defineProperty(exports, '__esModule', {
  value: true
});
exports['default'] = parse;

var _fs = require('fs');

var _fs2 = _interopRequireDefault(_fs);

var defaultParseOptions = {
  ecmaVersion: 6, // for espree, esprima. not needed for babylon
  sourceType: 'module'
};

function parse(path) {
  var _ref = arguments.length <= 1 || arguments[1] === undefined ? {} : arguments[1];

  var _ref$settings = _ref.settings;
  var settings = _ref$settings === undefined ? {} : _ref$settings;
  var _ref$ecmaFeatures = _ref.ecmaFeatures;
  var ecmaFeatures = _ref$ecmaFeatures === undefined ? {} : _ref$ecmaFeatures;

  var parser = settings['import/parser'] || 'babylon';

  var _require = require(parser);

  var parse = _require.parse;
  var options = _Object$assign({}, defaultParseOptions, settings['import/parse-options']);

  // detect and handle "jsx" ecmaFeature
  if (ecmaFeatures && parser === 'babylon') {
    var jsx = ecmaFeatures.jsx;

    if (jsx && (!options.plugins || options.plugins.indexOf('jsx') < 0)) {
      if (!options.plugins) options.plugins = ['jsx'];else options.plugins = options.plugins.concat('jsx');
    }
  }

  var ast = parse(_fs2['default'].readFileSync(path, { encoding: 'utf8' }), options);

  // bablyon returns top-level "File" node.
  return ast.type === 'File' ? ast.program : ast;
}

module.exports = exports['default'];
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