mirror of https://github.com/vector-im/riot-web
75 lines
2.4 KiB
TypeScript
75 lines
2.4 KiB
TypeScript
/*
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Copyright 2022 The Matrix.org Foundation C.I.C.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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/// <reference types="cypress" />
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import Chainable = Cypress.Chainable;
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import AUTWindow = Cypress.AUTWindow;
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declare global {
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// eslint-disable-next-line @typescript-eslint/no-namespace
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namespace Cypress {
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interface Chainable {
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/**
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* Start measuring the duration of some task.
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* @param task The task name.
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*/
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startMeasuring(task: string): Chainable<AUTWindow>;
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/**
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* Stop measuring the duration of some task.
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* The duration is reported in the Cypress log.
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* @param task The task name.
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*/
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stopMeasuring(task: string): Chainable<AUTWindow>;
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}
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}
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}
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function getPrefix(task: string): string {
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return `cy:${Cypress.spec.name.split(".")[0]}:${task}`;
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}
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function startMeasuring(task: string): Chainable<AUTWindow> {
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return cy.window({ log: false }).then((win) => {
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win.mxPerformanceMonitor.start(getPrefix(task));
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});
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}
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function stopMeasuring(task: string): Chainable<AUTWindow> {
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return cy.window({ log: false }).then((win) => {
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const measure = win.mxPerformanceMonitor.stop(getPrefix(task));
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cy.log(`**${task}** ${measure.duration} ms`);
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});
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}
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Cypress.Commands.add("startMeasuring", startMeasuring);
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Cypress.Commands.add("stopMeasuring", stopMeasuring);
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Cypress.on("window:before:unload", (event: BeforeUnloadEvent) => {
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const doc = event.target as Document;
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if (doc.location.href === "about:blank") return;
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const win = doc.defaultView as AUTWindow;
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if (!win.mxPerformanceMonitor) return;
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const entries = win.mxPerformanceMonitor.getEntries().filter(entry => {
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return entry.name.startsWith("cy:");
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});
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if (!entries || entries.length === 0) return;
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cy.task("addMeasurements", entries);
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});
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// Needed to make this file a module
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export { };
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