Function isModeDevelopment

src/mode.js:90–94

(win, opt_hashParams)

 * @return {boolean}
 */
export function isModeDevelopment(win, opt_hashParams) {
  const devModes = ['1', 'actions', 'amp', 'amp4ads', 'amp4email'];
  const devParam = opt_hashParams || getHashParams(win);
  return devModes.includes(devParam['development']) || !!win.AMP_DEV_MODE;
}

/**
 * @param {!Window} win