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- "use strict";
- var f = Object.defineProperty;
- var H = Object.getOwnPropertyDescriptor;
- var P = Object.getOwnPropertyNames;
- var S = Object.prototype.hasOwnProperty;
- var j = (s, i, t) => i in s ? f(s, i, { enumerable: !0, configurable: !0, writable: !0, value: t }) : s[i] = t;
- var q = (s, i) => {
- for (var t in i)
- f(s, t, { get: i[t], enumerable: !0 });
- }, z = (s, i, t, e) => {
- if (i && typeof i == "object" || typeof i == "function")
- for (let n of P(i))
- !S.call(s, n) && n !== t && f(s, n, { get: () => i[n], enumerable: !(e = H(i, n)) || e.enumerable });
- return s;
- };
- var V = (s) => z(f({}, "__esModule", { value: !0 }), s);
- var r = (s, i, t) => (j(s, typeof i != "symbol" ? i + "" : i, t), t);
-
- // src/index.ts
- var J = {};
- q(J, {
- Bench: () => u,
- Task: () => p,
- default: () => G,
- now: () => E
- });
- module.exports = V(J);
-
- // src/event.ts
- function a(s, i = null) {
- let t = new Event(s);
- return Object.defineProperty(t, "task", {
- value: i,
- enumerable: !0,
- writable: !1,
- configurable: !1
- }), t;
- }
-
- // src/constants.ts
- var C = {
- 1: 12.71,
- 2: 4.303,
- 3: 3.182,
- 4: 2.776,
- 5: 2.571,
- 6: 2.447,
- 7: 2.365,
- 8: 2.306,
- 9: 2.262,
- 10: 2.228,
- 11: 2.201,
- 12: 2.179,
- 13: 2.16,
- 14: 2.145,
- 15: 2.131,
- 16: 2.12,
- 17: 2.11,
- 18: 2.101,
- 19: 2.093,
- 20: 2.086,
- 21: 2.08,
- 22: 2.074,
- 23: 2.069,
- 24: 2.064,
- 25: 2.06,
- 26: 2.056,
- 27: 2.052,
- 28: 2.048,
- 29: 2.045,
- 30: 2.042,
- 31: 2.0399,
- 32: 2.0378,
- 33: 2.0357,
- 34: 2.0336,
- 35: 2.0315,
- 36: 2.0294,
- 37: 2.0273,
- 38: 2.0252,
- 39: 2.0231,
- 40: 2.021,
- 41: 2.0198,
- 42: 2.0186,
- 43: 2.0174,
- 44: 2.0162,
- 45: 2.015,
- 46: 2.0138,
- 47: 2.0126,
- 48: 2.0114,
- 49: 2.0102,
- 50: 2.009,
- 51: 2.0081,
- 52: 2.0072,
- 53: 2.0063,
- 54: 2.0054,
- 55: 2.0045,
- 56: 2.0036,
- 57: 2.0027,
- 58: 2.0018,
- 59: 2.0009,
- 60: 2,
- 61: 1.9995,
- 62: 1.999,
- 63: 1.9985,
- 64: 1.998,
- 65: 1.9975,
- 66: 1.997,
- 67: 1.9965,
- 68: 1.996,
- 69: 1.9955,
- 70: 1.995,
- 71: 1.9945,
- 72: 1.994,
- 73: 1.9935,
- 74: 1.993,
- 75: 1.9925,
- 76: 1.992,
- 77: 1.9915,
- 78: 1.991,
- 79: 1.9905,
- 80: 1.99,
- 81: 1.9897,
- 82: 1.9894,
- 83: 1.9891,
- 84: 1.9888,
- 85: 1.9885,
- 86: 1.9882,
- 87: 1.9879,
- 88: 1.9876,
- 89: 1.9873,
- 90: 1.987,
- 91: 1.9867,
- 92: 1.9864,
- 93: 1.9861,
- 94: 1.9858,
- 95: 1.9855,
- 96: 1.9852,
- 97: 1.9849,
- 98: 1.9846,
- 99: 1.9843,
- 100: 1.984,
- 101: 1.9838,
- 102: 1.9836,
- 103: 1.9834,
- 104: 1.9832,
- 105: 1.983,
- 106: 1.9828,
- 107: 1.9826,
- 108: 1.9824,
- 109: 1.9822,
- 110: 1.982,
- 111: 1.9818,
- 112: 1.9816,
- 113: 1.9814,
- 114: 1.9812,
- 115: 1.9819,
- 116: 1.9808,
- 117: 1.9806,
- 118: 1.9804,
- 119: 1.9802,
- 120: 1.98,
- infinity: 1.96
- }, w = C;
-
- // src/utils.ts
- var N = (s) => s / 1e6, E = () => {
- var s;
- return typeof ((s = globalThis.process) == null ? void 0 : s.hrtime) == "function" ? N(Number(process.hrtime.bigint())) : performance.now();
- }, B = (s) => s.reduce((i, t) => i + t, 0) / s.length || 0, F = (s, i) => s.reduce((e, n) => e + (n - i) ** 2) / (s.length - 1) || 0, D = (async () => {
- }).constructor, O = (s) => s.constructor === D;
-
- // src/task.ts
- var p = class extends EventTarget {
- constructor(t, e, n, o = {}) {
- super();
- r(this, "bench");
- r(this, "name");
- r(this, "fn");
- r(this, "runs", 0);
- r(this, "result");
- r(this, "opts");
- this.bench = t, this.name = e, this.fn = n, this.opts = o;
- }
- async run() {
- var o, l, m;
- this.dispatchEvent(a("start", this));
- let t = 0, e = [], n = O(this.fn);
- for (await this.bench.setup(this, "run"), this.opts.beforeAll != null && await this.opts.beforeAll.call(this); (t < this.bench.time || this.runs < this.bench.iterations) && !((o = this.bench.signal) != null && o.aborted); ) {
- this.opts.beforeEach != null && await this.opts.beforeEach.call(this);
- let h = 0;
- try {
- h = this.bench.now(), n ? await this.fn() : this.fn();
- } catch (v) {
- this.setResult({ error: v });
- }
- let c = this.bench.now() - h;
- this.runs += 1, e.push(c), t += c, this.opts.afterEach != null && await this.opts.afterEach.call(this);
- }
- this.opts.afterAll != null && await this.opts.afterAll.call(this), await this.bench.teardown(this, "run"), e.sort((h, c) => h - c);
- {
- let h = e[0], c = e[e.length - 1], v = t / this.runs, L = 1e3 / v, b = B(e), T = F(e, b), k = Math.sqrt(T), g = k / Math.sqrt(e.length), y = e.length - 1, x = w[String(Math.round(y) || 1)] || w.infinity, M = g * x, K = M / b * 100 || 0, A = e[Math.ceil(e.length * (75 / 100)) - 1], R = e[Math.ceil(e.length * (99 / 100)) - 1], _ = e[Math.ceil(e.length * (99.5 / 100)) - 1], I = e[Math.ceil(e.length * (99.9 / 100)) - 1];
- if ((l = this.bench.signal) != null && l.aborted)
- return this;
- this.setResult({
- totalTime: t,
- min: h,
- max: c,
- hz: L,
- period: v,
- samples: e,
- mean: b,
- variance: T,
- sd: k,
- sem: g,
- df: y,
- critical: x,
- moe: M,
- rme: K,
- p75: A,
- p99: R,
- p995: _,
- p999: I
- });
- }
- return (m = this.result) != null && m.error && (this.dispatchEvent(a("error", this)), this.bench.dispatchEvent(a("error", this))), this.dispatchEvent(a("cycle", this)), this.bench.dispatchEvent(a("cycle", this)), this.dispatchEvent(a("complete", this)), this;
- }
- async warmup() {
- var n;
- this.dispatchEvent(a("warmup", this));
- let t = this.bench.now(), e = 0;
- for (this.bench.setup(this, "warmup"); (e < this.bench.warmupTime || this.runs < this.bench.warmupIterations) && !((n = this.bench.signal) != null && n.aborted); ) {
- try {
- await Promise.resolve().then(this.fn);
- } catch (o) {
- }
- this.runs += 1, e = this.bench.now() - t;
- }
- this.bench.teardown(this, "warmup"), this.runs = 0;
- }
- addEventListener(t, e, n) {
- super.addEventListener(t, e, n);
- }
- removeEventListener(t, e, n) {
- super.removeEventListener(t, e, n);
- }
- setResult(t) {
- this.result = { ...this.result, ...t }, Object.freeze(this.reset);
- }
- reset() {
- this.dispatchEvent(a("reset", this)), this.runs = 0, this.result = void 0;
- }
- };
-
- // src/bench.ts
- var u = class extends EventTarget {
- constructor(t = {}) {
- var e, n, o, l, m, h, c;
- super();
- r(this, "_tasks", /* @__PURE__ */ new Map());
- r(this, "signal");
- r(this, "warmupTime", 100);
- r(this, "warmupIterations", 5);
- r(this, "time", 500);
- r(this, "iterations", 10);
- r(this, "now", E);
- r(this, "setup");
- r(this, "teardown");
- this.now = (e = t.now) != null ? e : this.now, this.warmupTime = (n = t.warmupTime) != null ? n : this.warmupTime, this.warmupIterations = (o = t.warmupIterations) != null ? o : this.warmupIterations, this.time = (l = t.time) != null ? l : this.time, this.iterations = (m = t.iterations) != null ? m : this.iterations, this.signal = t.signal, this.setup = (h = t.setup) != null ? h : () => {
- }, this.teardown = (c = t.teardown) != null ? c : () => {
- }, this.signal && this.signal.addEventListener("abort", () => {
- this.dispatchEvent(a("abort"));
- }, { once: !0 });
- }
- async run() {
- var e;
- this.dispatchEvent(a("start"));
- let t = [];
- for (let n of [...this._tasks.values()])
- (e = this.signal) != null && e.aborted ? t.push(n) : t.push(await n.run());
- return this.dispatchEvent(a("complete")), t;
- }
- async warmup() {
- this.dispatchEvent(a("warmup"));
- for (let [, t] of this._tasks)
- await t.warmup();
- }
- reset() {
- this.dispatchEvent(a("reset")), this._tasks.forEach((t) => {
- t.reset();
- });
- }
- add(t, e, n = {}) {
- let o = new p(this, t, e, n);
- return this._tasks.set(t, o), this.dispatchEvent(a("add", o)), this;
- }
- remove(t) {
- let e = this.getTask(t);
- return this.dispatchEvent(a("remove", e)), this._tasks.delete(t), this;
- }
- addEventListener(t, e, n) {
- super.addEventListener(t, e, n);
- }
- removeEventListener(t, e, n) {
- super.removeEventListener(t, e, n);
- }
- get results() {
- return [...this._tasks.values()].map((t) => t.result);
- }
- get tasks() {
- return [...this._tasks.values()];
- }
- getTask(t) {
- return this._tasks.get(t);
- }
- };
-
- // src/index.ts
- var G = u;
- // Annotate the CommonJS export names for ESM import in node:
- 0 && (module.exports = {
- Bench,
- Task,
- now
- });
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