@tamagui/react-native-web-lite/dist/esm/vendor/react-native/JSEventLoopWatchdog/index.js

React Native for Web

import { infoLog } from "../infoLog";
const JSEventLoopWatchdog = {
  getStats: function() {
    return { stallCount, totalStallTime, longestStall, acceptableBusyTime };
  },
  reset: function() {
    infoLog("JSEventLoopWatchdog: reset"), totalStallTime = 0, stallCount = 0, longestStall = 0, lastInterval = window.performance.now();
  },
  addHandler: function(handler) {
    handlers.push(handler);
  },
  install: function({ thresholdMS }) {
    if (acceptableBusyTime = thresholdMS, installed)
      return;
    installed = !0, lastInterval = window.performance.now();
    function iteration() {
      const now = window.performance.now(), busyTime = now - lastInterval;
      if (busyTime >= thresholdMS) {
        const stallTime = busyTime - thresholdMS;
        stallCount++, totalStallTime += stallTime, longestStall = Math.max(longestStall, stallTime);
        let msg = `JSEventLoopWatchdog: JS thread busy for ${busyTime}ms. ${totalStallTime}ms in ${stallCount} stalls so far. `;
        handlers.forEach((handler) => {
          msg += handler.onStall({ lastInterval, busyTime }) || "";
        }), infoLog(msg);
      }
      handlers.forEach((handler) => {
        handler.onIterate && handler.onIterate();
      }), lastInterval = now, setTimeout(iteration, thresholdMS / 5);
    }
    iteration();
  }
};
let acceptableBusyTime = 0, installed = !1, totalStallTime = 0, stallCount = 0, longestStall = 0, lastInterval = 0;
const handlers = [];
var JSEventLoopWatchdog_default = JSEventLoopWatchdog;
export {
  JSEventLoopWatchdog,
  JSEventLoopWatchdog_default as default
};
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