mirror of
https://github.com/denoland/deno.git
synced 2024-10-29 08:58:01 -04:00
594 lines
16 KiB
JavaScript
594 lines
16 KiB
JavaScript
// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
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"use strict";
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((window) => {
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const {
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ArrayPrototypeFilter,
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ArrayPrototypeFind,
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ArrayPrototypePush,
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ArrayPrototypeReverse,
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ArrayPrototypeSlice,
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ObjectKeys,
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ObjectPrototypeIsPrototypeOf,
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ReflectHas,
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Symbol,
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SymbolFor,
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TypeError,
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} = window.__bootstrap.primordials;
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const { webidl, structuredClone } = window.__bootstrap;
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const consoleInternal = window.__bootstrap.console;
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const { EventTarget } = window.__bootstrap.eventTarget;
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const { opNow } = window.__bootstrap.timers;
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const { DOMException } = window.__bootstrap.domException;
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const illegalConstructorKey = Symbol("illegalConstructorKey");
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const customInspect = SymbolFor("Deno.customInspect");
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let performanceEntries = [];
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let timeOrigin;
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webidl.converters["PerformanceMarkOptions"] = webidl
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.createDictionaryConverter(
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"PerformanceMarkOptions",
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[
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{
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key: "detail",
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converter: webidl.converters.any,
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},
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{
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key: "startTime",
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converter: webidl.converters.DOMHighResTimeStamp,
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},
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],
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);
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webidl.converters["DOMString or DOMHighResTimeStamp"] = (V, opts) => {
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if (webidl.type(V) === "Number" && V !== null) {
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return webidl.converters.DOMHighResTimeStamp(V, opts);
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}
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return webidl.converters.DOMString(V, opts);
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};
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webidl.converters["PerformanceMeasureOptions"] = webidl
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.createDictionaryConverter(
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"PerformanceMeasureOptions",
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[
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{
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key: "detail",
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converter: webidl.converters.any,
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},
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{
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key: "start",
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converter: webidl.converters["DOMString or DOMHighResTimeStamp"],
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},
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{
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key: "duration",
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converter: webidl.converters.DOMHighResTimeStamp,
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},
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{
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key: "end",
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converter: webidl.converters["DOMString or DOMHighResTimeStamp"],
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},
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],
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);
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webidl.converters["DOMString or PerformanceMeasureOptions"] = (V, opts) => {
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if (webidl.type(V) === "Object" && V !== null) {
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return webidl.converters["PerformanceMeasureOptions"](V, opts);
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}
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return webidl.converters.DOMString(V, opts);
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};
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function setTimeOrigin(origin) {
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timeOrigin = origin;
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}
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function findMostRecent(
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name,
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type,
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) {
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return ArrayPrototypeFind(
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ArrayPrototypeReverse(ArrayPrototypeSlice(performanceEntries)),
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(entry) => entry.name === name && entry.entryType === type,
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);
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}
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function convertMarkToTimestamp(mark) {
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if (typeof mark === "string") {
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const entry = findMostRecent(mark, "mark");
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if (!entry) {
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throw new DOMException(
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`Cannot find mark: "${mark}".`,
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"SyntaxError",
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);
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}
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return entry.startTime;
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}
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if (mark < 0) {
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throw new TypeError("Mark cannot be negative.");
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}
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return mark;
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}
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function filterByNameType(
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name,
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type,
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) {
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return ArrayPrototypeFilter(
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performanceEntries,
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(entry) =>
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(name ? entry.name === name : true) &&
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(type ? entry.entryType === type : true),
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);
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}
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const now = opNow;
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const _name = Symbol("[[name]]");
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const _entryType = Symbol("[[entryType]]");
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const _startTime = Symbol("[[startTime]]");
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const _duration = Symbol("[[duration]]");
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class PerformanceEntry {
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[_name] = "";
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[_entryType] = "";
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[_startTime] = 0;
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[_duration] = 0;
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get name() {
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webidl.assertBranded(this, PerformanceEntryPrototype);
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return this[_name];
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}
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get entryType() {
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webidl.assertBranded(this, PerformanceEntryPrototype);
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return this[_entryType];
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}
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get startTime() {
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webidl.assertBranded(this, PerformanceEntryPrototype);
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return this[_startTime];
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}
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get duration() {
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webidl.assertBranded(this, PerformanceEntryPrototype);
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return this[_duration];
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}
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constructor(
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name = null,
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entryType = null,
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startTime = null,
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duration = null,
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key = undefined,
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) {
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if (key !== illegalConstructorKey) {
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webidl.illegalConstructor();
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}
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this[webidl.brand] = webidl.brand;
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this[_name] = name;
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this[_entryType] = entryType;
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this[_startTime] = startTime;
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this[_duration] = duration;
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}
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toJSON() {
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webidl.assertBranded(this, PerformanceEntryPrototype);
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return {
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name: this[_name],
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entryType: this[_entryType],
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startTime: this[_startTime],
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duration: this[_duration],
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};
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}
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[customInspect](inspect) {
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return inspect(consoleInternal.createFilteredInspectProxy({
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object: this,
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evaluate: ObjectPrototypeIsPrototypeOf(
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PerformanceEntryPrototype,
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this,
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),
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keys: [
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"name",
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"entryType",
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"startTime",
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"duration",
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],
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}));
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}
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}
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webidl.configurePrototype(PerformanceEntry);
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const PerformanceEntryPrototype = PerformanceEntry.prototype;
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const _detail = Symbol("[[detail]]");
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class PerformanceMark extends PerformanceEntry {
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[_detail] = null;
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get detail() {
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webidl.assertBranded(this, PerformanceMarkPrototype);
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return this[_detail];
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}
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get entryType() {
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webidl.assertBranded(this, PerformanceMarkPrototype);
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return "mark";
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}
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constructor(
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name,
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options = {},
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) {
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const prefix = "Failed to construct 'PerformanceMark'";
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webidl.requiredArguments(arguments.length, 1, { prefix });
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name = webidl.converters.DOMString(name, {
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prefix,
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context: "Argument 1",
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});
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options = webidl.converters.PerformanceMarkOptions(options, {
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prefix,
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context: "Argument 2",
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});
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const { detail = null, startTime = now() } = options;
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super(name, "mark", startTime, 0, illegalConstructorKey);
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this[webidl.brand] = webidl.brand;
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if (startTime < 0) {
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throw new TypeError("startTime cannot be negative");
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}
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this[_detail] = structuredClone(detail);
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}
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toJSON() {
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webidl.assertBranded(this, PerformanceMarkPrototype);
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return {
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name: this.name,
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entryType: this.entryType,
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startTime: this.startTime,
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duration: this.duration,
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detail: this.detail,
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};
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}
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[customInspect](inspect) {
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return inspect(consoleInternal.createFilteredInspectProxy({
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object: this,
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evaluate: ObjectPrototypeIsPrototypeOf(PerformanceMarkPrototype, this),
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keys: [
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"name",
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"entryType",
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"startTime",
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"duration",
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"detail",
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],
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}));
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}
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}
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webidl.configurePrototype(PerformanceMark);
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const PerformanceMarkPrototype = PerformanceMark.prototype;
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class PerformanceMeasure extends PerformanceEntry {
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[_detail] = null;
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get detail() {
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webidl.assertBranded(this, PerformanceMeasurePrototype);
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return this[_detail];
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}
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get entryType() {
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webidl.assertBranded(this, PerformanceMeasurePrototype);
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return "measure";
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}
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constructor(
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name = null,
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startTime = null,
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duration = null,
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detail = null,
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key = undefined,
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) {
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if (key !== illegalConstructorKey) {
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webidl.illegalConstructor();
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}
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super(name, "measure", startTime, duration, key);
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this[webidl.brand] = webidl.brand;
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this[_detail] = structuredClone(detail);
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}
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toJSON() {
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webidl.assertBranded(this, PerformanceMeasurePrototype);
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return {
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name: this.name,
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entryType: this.entryType,
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startTime: this.startTime,
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duration: this.duration,
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detail: this.detail,
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};
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}
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[customInspect](inspect) {
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return inspect(consoleInternal.createFilteredInspectProxy({
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object: this,
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evaluate: ObjectPrototypeIsPrototypeOf(
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PerformanceMeasurePrototype,
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this,
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),
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keys: [
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"name",
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"entryType",
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"startTime",
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"duration",
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"detail",
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],
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}));
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}
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}
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webidl.configurePrototype(PerformanceMeasure);
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const PerformanceMeasurePrototype = PerformanceMeasure.prototype;
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class Performance extends EventTarget {
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constructor(key = null) {
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if (key != illegalConstructorKey) {
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webidl.illegalConstructor();
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}
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super();
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this[webidl.brand] = webidl.brand;
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}
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get timeOrigin() {
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webidl.assertBranded(this, PerformancePrototype);
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return timeOrigin;
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}
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clearMarks(markName = undefined) {
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webidl.assertBranded(this, PerformancePrototype);
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if (markName !== undefined) {
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markName = webidl.converters.DOMString(markName, {
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prefix: "Failed to execute 'clearMarks' on 'Performance'",
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context: "Argument 1",
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});
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performanceEntries = ArrayPrototypeFilter(
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performanceEntries,
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(entry) => !(entry.name === markName && entry.entryType === "mark"),
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);
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} else {
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performanceEntries = ArrayPrototypeFilter(
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performanceEntries,
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(entry) => entry.entryType !== "mark",
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);
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}
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}
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clearMeasures(measureName = undefined) {
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webidl.assertBranded(this, PerformancePrototype);
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if (measureName !== undefined) {
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measureName = webidl.converters.DOMString(measureName, {
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prefix: "Failed to execute 'clearMeasures' on 'Performance'",
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context: "Argument 1",
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});
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performanceEntries = ArrayPrototypeFilter(
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performanceEntries,
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(entry) =>
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!(entry.name === measureName && entry.entryType === "measure"),
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);
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} else {
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performanceEntries = ArrayPrototypeFilter(
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performanceEntries,
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(entry) => entry.entryType !== "measure",
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);
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}
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}
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getEntries() {
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webidl.assertBranded(this, PerformancePrototype);
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return filterByNameType();
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}
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getEntriesByName(
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name,
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type = undefined,
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) {
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webidl.assertBranded(this, PerformancePrototype);
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const prefix = "Failed to execute 'getEntriesByName' on 'Performance'";
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webidl.requiredArguments(arguments.length, 1, { prefix });
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name = webidl.converters.DOMString(name, {
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prefix,
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context: "Argument 1",
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});
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if (type !== undefined) {
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type = webidl.converters.DOMString(type, {
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prefix,
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context: "Argument 2",
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});
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}
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return filterByNameType(name, type);
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}
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getEntriesByType(type) {
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webidl.assertBranded(this, PerformancePrototype);
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const prefix = "Failed to execute 'getEntriesByName' on 'Performance'";
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webidl.requiredArguments(arguments.length, 1, { prefix });
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type = webidl.converters.DOMString(type, {
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prefix,
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context: "Argument 1",
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});
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return filterByNameType(undefined, type);
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}
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mark(
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markName,
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markOptions = {},
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) {
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webidl.assertBranded(this, PerformancePrototype);
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const prefix = "Failed to execute 'mark' on 'Performance'";
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webidl.requiredArguments(arguments.length, 1, { prefix });
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markName = webidl.converters.DOMString(markName, {
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prefix,
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context: "Argument 1",
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});
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markOptions = webidl.converters.PerformanceMarkOptions(markOptions, {
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prefix,
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context: "Argument 2",
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});
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// 3.1.1.1 If the global object is a Window object and markName uses the
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// same name as a read only attribute in the PerformanceTiming interface,
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// throw a SyntaxError. - not implemented
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const entry = new PerformanceMark(markName, markOptions);
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// 3.1.1.7 Queue entry - not implemented
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ArrayPrototypePush(performanceEntries, entry);
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return entry;
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}
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measure(
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measureName,
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startOrMeasureOptions = {},
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endMark = undefined,
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) {
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webidl.assertBranded(this, PerformancePrototype);
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const prefix = "Failed to execute 'measure' on 'Performance'";
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webidl.requiredArguments(arguments.length, 1, { prefix });
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measureName = webidl.converters.DOMString(measureName, {
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prefix,
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context: "Argument 1",
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});
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startOrMeasureOptions = webidl.converters
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["DOMString or PerformanceMeasureOptions"](startOrMeasureOptions, {
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prefix,
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context: "Argument 2",
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});
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if (endMark !== undefined) {
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endMark = webidl.converters.DOMString(endMark, {
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prefix,
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context: "Argument 3",
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});
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}
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if (
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startOrMeasureOptions && typeof startOrMeasureOptions === "object" &&
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ObjectKeys(startOrMeasureOptions).length > 0
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) {
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if (endMark) {
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throw new TypeError("Options cannot be passed with endMark.");
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}
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if (
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!ReflectHas(startOrMeasureOptions, "start") &&
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!ReflectHas(startOrMeasureOptions, "end")
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) {
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throw new TypeError(
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"A start or end mark must be supplied in options.",
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);
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}
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if (
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ReflectHas(startOrMeasureOptions, "start") &&
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ReflectHas(startOrMeasureOptions, "duration") &&
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ReflectHas(startOrMeasureOptions, "end")
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) {
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throw new TypeError(
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"Cannot specify start, end, and duration together in options.",
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);
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}
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}
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let endTime;
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if (endMark) {
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endTime = convertMarkToTimestamp(endMark);
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} else if (
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typeof startOrMeasureOptions === "object" &&
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ReflectHas(startOrMeasureOptions, "end")
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) {
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endTime = convertMarkToTimestamp(startOrMeasureOptions.end);
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} else if (
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typeof startOrMeasureOptions === "object" &&
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ReflectHas(startOrMeasureOptions, "start") &&
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ReflectHas(startOrMeasureOptions, "duration")
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) {
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const start = convertMarkToTimestamp(startOrMeasureOptions.start);
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const duration = convertMarkToTimestamp(startOrMeasureOptions.duration);
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endTime = start + duration;
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} else {
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endTime = now();
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}
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let startTime;
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if (
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typeof startOrMeasureOptions === "object" &&
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ReflectHas(startOrMeasureOptions, "start")
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) {
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startTime = convertMarkToTimestamp(startOrMeasureOptions.start);
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} else if (
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typeof startOrMeasureOptions === "object" &&
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ReflectHas(startOrMeasureOptions, "end") &&
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ReflectHas(startOrMeasureOptions, "duration")
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) {
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const end = convertMarkToTimestamp(startOrMeasureOptions.end);
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const duration = convertMarkToTimestamp(startOrMeasureOptions.duration);
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startTime = end - duration;
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} else if (typeof startOrMeasureOptions === "string") {
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startTime = convertMarkToTimestamp(startOrMeasureOptions);
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} else {
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startTime = 0;
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}
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const entry = new PerformanceMeasure(
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measureName,
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startTime,
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endTime - startTime,
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typeof startOrMeasureOptions === "object"
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? startOrMeasureOptions.detail ?? null
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: null,
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illegalConstructorKey,
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);
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ArrayPrototypePush(performanceEntries, entry);
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return entry;
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}
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now() {
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webidl.assertBranded(this, PerformancePrototype);
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return now();
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}
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toJSON() {
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webidl.assertBranded(this, PerformancePrototype);
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return {
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timeOrigin: this.timeOrigin,
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};
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}
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[customInspect](inspect) {
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return inspect(consoleInternal.createFilteredInspectProxy({
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object: this,
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evaluate: ObjectPrototypeIsPrototypeOf(PerformancePrototype, this),
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keys: [],
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}));
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}
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}
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webidl.configurePrototype(Performance);
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const PerformancePrototype = Performance.prototype;
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webidl.converters["Performance"] = webidl.createInterfaceConverter(
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"Performance",
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PerformancePrototype,
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);
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window.__bootstrap.performance = {
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PerformanceEntry,
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PerformanceMark,
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PerformanceMeasure,
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Performance,
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performance: new Performance(illegalConstructorKey),
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setTimeOrigin,
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};
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})(this);
|