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069bc15030
Fixes https://github.com/denoland/deno/issues/20961 Depends on https://github.com/denoland/deno_core/pull/965 and https://github.com/denoland/deno_core/pull/966
113 lines
3.1 KiB
TypeScript
113 lines
3.1 KiB
TypeScript
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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// TODO(petamoriken): enable prefer-primordials for node polyfills
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// deno-lint-ignore-file prefer-primordials
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import { notImplemented } from "ext:deno_node/_utils.ts";
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import {
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performance as shimPerformance,
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PerformanceEntry,
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} from "ext:deno_web/15_performance.js";
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import { EldHistogram } from "ext:core/ops";
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class PerformanceObserver {
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static supportedEntryTypes: string[] = [];
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observe() {
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// todo(lucacasonato): actually implement this
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}
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disconnect() {
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// todo(lucacasonato): actually implement this
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}
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}
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const constants = {};
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const performance:
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& Omit<
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Performance,
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"clearMeasures" | "getEntries"
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>
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& {
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eventLoopUtilization(): {
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idle: number;
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active: number;
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utilization: number;
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};
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nodeTiming: Record<string, string>;
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// deno-lint-ignore no-explicit-any
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timerify: any;
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// deno-lint-ignore no-explicit-any
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timeOrigin: any;
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// deno-lint-ignore no-explicit-any
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markResourceTiming: any;
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} = {
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clearMarks: (markName: string) => shimPerformance.clearMarks(markName),
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eventLoopUtilization: () => {
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// TODO(@marvinhagemeister): Return actual non-stubbed values
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return { idle: 0, active: 0, utilization: 0 };
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},
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mark: (markName: string) => shimPerformance.mark(markName),
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measure: (
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measureName: string,
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startMark?: string | PerformanceMeasureOptions,
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endMark?: string,
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): PerformanceMeasure => {
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if (endMark) {
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return shimPerformance.measure(
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measureName,
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startMark as string,
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endMark,
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);
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} else {
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return shimPerformance.measure(
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measureName,
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startMark as PerformanceMeasureOptions,
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);
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}
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},
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nodeTiming: {},
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now: () => shimPerformance.now(),
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timerify: () => notImplemented("timerify from performance"),
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get timeOrigin() {
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// deno-lint-ignore no-explicit-any
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return (shimPerformance as any).timeOrigin;
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},
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getEntriesByName: (name, type) =>
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shimPerformance.getEntriesByName(name, type),
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getEntriesByType: (type) => shimPerformance.getEntriesByType(type),
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markResourceTiming: () => {},
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// @ts-ignore waiting on update in `deno`, but currently this is
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// a circular dependency
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toJSON: () => shimPerformance.toJSON(),
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addEventListener: (
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...args: Parameters<typeof shimPerformance.addEventListener>
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) => shimPerformance.addEventListener(...args),
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removeEventListener: (
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...args: Parameters<typeof shimPerformance.removeEventListener>
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) => shimPerformance.removeEventListener(...args),
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dispatchEvent: (
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...args: Parameters<typeof shimPerformance.dispatchEvent>
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) => shimPerformance.dispatchEvent(...args),
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};
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function monitorEventLoopDelay(options = {}) {
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const { resolution = 10 } = options;
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return new EldHistogram(resolution);
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}
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export default {
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performance,
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PerformanceObserver,
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PerformanceEntry,
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monitorEventLoopDelay,
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constants,
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};
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export {
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constants,
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monitorEventLoopDelay,
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performance,
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PerformanceEntry,
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PerformanceObserver,
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};
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