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

React Native for Web

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