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import { performance } from "node:perf_hooks";
class Benchmark {
constructor() {
// TypeScript slop
this.timeSpent = 0;
this.timesCalled = 0;
this.beforeTimers = [];
}
reset() {
this.timeSpent = 0;
this.timesCalled = 0;
this.beforeTimers = [];
}
getNewTimestamp() {
if (performance) {
return performance.now();
}
return new Date().getTime();
}
incrementCount() {
this.timesCalled++;
}
// TODO(slightlyoff):
// disable all of these hrtime requests when not benchmarking
before() {
this.timesCalled++;
this.beforeTimers.push(this.getNewTimestamp());
}
after() {
if (!this.beforeTimers.length) {
throw new Error("You called Benchmark after() without a before().");
}
let before = this.beforeTimers.pop();
if (!this.beforeTimers.length) {
this.timeSpent += this.getNewTimestamp() - before;
}
}
getTimesCalled() {
return this.timesCalled;
}
getTotal() {
return this.timeSpent;
}
}
export default Benchmark;
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