53 lines
968 B
JavaScript
53 lines
968 B
JavaScript
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const { performance } = require("perf_hooks");
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class Benchmark {
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constructor() {
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this.reset();
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}
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getNewTimestamp() {
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if (performance) {
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return performance.now();
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}
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return new Date().getTime();
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}
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reset() {
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this.timeSpent = 0;
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this.timesCalled = 0;
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this.beforeTimers = [];
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}
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incrementCount() {
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this.timesCalled++;
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}
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// TODO(slightlyoff):
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// disable all of these hrtime requests when not benchmarking
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before() {
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this.timesCalled++;
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this.beforeTimers.push(this.getNewTimestamp());
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}
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after() {
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if (!this.beforeTimers.length) {
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throw new Error("You called Benchmark after() without a before().");
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}
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let before = this.beforeTimers.pop();
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if (!this.beforeTimers.length) {
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this.timeSpent += this.getNewTimestamp() - before;
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}
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}
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getTimesCalled() {
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return this.timesCalled;
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}
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getTotal() {
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return this.timeSpent;
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}
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}
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module.exports = Benchmark;
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