24 lines
640 B
JavaScript
24 lines
640 B
JavaScript
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let supported;
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let perf;
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export function isPerformanceSupported() {
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var _a;
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if (supported !== undefined) {
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return supported;
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}
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if (typeof window !== 'undefined' && window.performance) {
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supported = true;
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perf = window.performance;
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}
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else if (typeof global !== 'undefined' && ((_a = global.perf_hooks) === null || _a === void 0 ? void 0 : _a.performance)) {
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supported = true;
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perf = global.perf_hooks.performance;
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}
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else {
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supported = false;
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}
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return supported;
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}
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export function now() {
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return isPerformanceSupported() ? perf.now() : Date.now();
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}
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