Function onTick

github-actions/saucelabs/set-saucelabs-env.js:2433–2460

()

      var RESOLUTION_MS = 1e3;
      var TICK_MS = (RESOLUTION_MS >> 1) - 1;
      var fastNowTimeout;
      var kFastTimer = Symbol("kFastTimer");
      var fastTimers = [];
      var NOT_IN_LIST = -2;
      var TO_BE_CLEARED = -1;
      var PENDING = 0;
      var ACTIVE = 1;
      function onTick() {
        fastNow += TICK_MS;
        let idx = 0;
        let len = fastTimers.length;
        while (idx < len) {
          const timer = fastTimers[idx];
          if (timer._state === PENDING) {
            timer._idleStart = fastNow - TICK_MS;
            timer._state = ACTIVE;
          } else if (timer._state === ACTIVE && fastNow >= timer._idleStart + timer._idleTimeout) {
            timer._state = TO_BE_CLEARED;
            timer._idleStart = -1;
            timer._onTimeout(timer._timerArg);
          }
          if (timer._state === TO_BE_CLEARED) {
            timer._state = NOT_IN_LIST;
            if (--len !== 0) {
              fastTimers[idx] = fastTimers[len];
            }
          } else {
            ++idx;
          }
        }
        fastTimers.length = len;