selenium-webdriver/lib/devmode.js

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// to you under the Apache License, Version 2.0 (the
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//
//   http://www.apache.org/licenses/LICENSE-2.0
//
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/**
 * @fileoverview Module used to detect if scripts are loaded from the Selenium
 * project repo instead of from a deployed package.
 */

'use strict';

const fs = require('fs');
const path = require('path');

/**
 * @const {boolean}
 */
module.exports = (function() {
  let buildDescFile = path.join(__dirname, '..', '..', 'build.desc');
  return fs.existsSync(buildDescFile);
})();