Method start

src/background/keepAlive.ts:4–8

()

  timer: NodeJS.Timer | null = null;

  start() {
    if (api.type === 'webextension') {
      this.timer = setInterval(chrome.runtime.getPlatformInfo, 20e3);
    }
  }

  stop() {
    if (api.type === 'webextension') {