@tamagui/react-native-web-lite
Version:
React Native for Web
58 lines (57 loc) • 2.6 kB
JavaScript
;
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
for (var name in all)
__defProp(target, name, { get: all[name], enumerable: !0 });
}, __copyProps = (to, from, except, desc) => {
if (from && typeof from == "object" || typeof from == "function")
for (let key of __getOwnPropNames(from))
!__hasOwnProp.call(to, key) && key !== except && __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: !0 }), mod);
var JSEventLoopWatchdog_exports = {};
__export(JSEventLoopWatchdog_exports, {
JSEventLoopWatchdog: () => JSEventLoopWatchdog,
default: () => JSEventLoopWatchdog_default
});
module.exports = __toCommonJS(JSEventLoopWatchdog_exports);
var import_infoLog = require("../infoLog");
const JSEventLoopWatchdog = {
getStats: function() {
return { stallCount, totalStallTime, longestStall, acceptableBusyTime };
},
reset: function() {
(0, import_infoLog.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 }) || "";
}), (0, import_infoLog.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;
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