Method locate

javascript/selenium-webdriver/firefox.js:725–753

* Attempts to locate the Firefox executable for this release channel. This * will first check the default installation location for the channel before * checking the user's PATH. The returned promise will be rejected if Firefox * can not be found. * * @return {!Promise } A prom

()

   *     Firefox executable.
   */
  locate() {
    if (this.found_) {
      return this.found_
    }

    let found
    switch (process.platform) {
      case 'darwin':
        found = io.exists(this.darwin_).then((exists) => (exists ? this.darwin_ : io.findInPath('firefox')))
        break

      case 'win32':
        found = findInProgramFiles(this.win32_).then((found) => found || io.findInPath('firefox.exe'))
        break

      default:
        found = Promise.resolve(io.findInPath('firefox'))
        break
    }

    this.found_ = found.then((found) => {
      if (found) {
        // TODO: verify version info.
        return found
      }
      throw Error('Could not locate Firefox on the current system')
    })
    return this.found_
  }

  /** @return {!Promise<string>} */
  [Symbols.serialize]() {