mirror of
https://github.com/JasonYANG170/IOTConnect-Web.git
synced 2024-11-27 14:16:34 +00:00
24 lines
652 B
JavaScript
24 lines
652 B
JavaScript
let supported;
|
|
let perf;
|
|
export function isPerformanceSupported() {
|
|
var _a;
|
|
if (supported !== undefined) {
|
|
return supported;
|
|
}
|
|
if (typeof window !== 'undefined' && window.performance) {
|
|
supported = true;
|
|
perf = window.performance;
|
|
}
|
|
else if (typeof globalThis !== 'undefined' && ((_a = globalThis.perf_hooks) === null || _a === void 0 ? void 0 : _a.performance)) {
|
|
supported = true;
|
|
perf = globalThis.perf_hooks.performance;
|
|
}
|
|
else {
|
|
supported = false;
|
|
}
|
|
return supported;
|
|
}
|
|
export function now() {
|
|
return isPerformanceSupported() ? perf.now() : Date.now();
|
|
}
|