Function findInProgramFiles

javascript/selenium-webdriver/firefox.js:434–446

* @param {string} file Path to the file to find, relative to the program files * root. * @return {!Promise<?string>} A promise for the located executable. * The promise will resolve to null if Firefox was not found.

(file)

 *     The promise will resolve to {@code null} if Firefox was not found.
 */
function findInProgramFiles(file) {
  let files = [
    process.env['PROGRAMFILES'] || 'C:\\Program Files',
    process.env['PROGRAMFILES(X86)'] || 'C:\\Program Files (x86)',
  ].map((prefix) => path.join(prefix, file))
  return io.exists(files[0]).then(function (exists) {
    return exists
      ? files[0]
      : io.exists(files[1]).then(function (exists) {
          return exists ? files[1] : null
        })
  })
}

/** @enum {string} */
const ExtensionCommand = {