forked from mirrors/gecko-dev
85 lines
2.7 KiB
JavaScript
85 lines
2.7 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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* https://creativecommons.org/publicdomain/zero/1.0/ */
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/* eslint-env node */
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"use strict";
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/* global module */
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async function test(context, commands) {
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await context.selenium.driver.setContext("chrome");
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let elementData = await context.selenium.driver.executeAsyncScript(
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function() {
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let callback = arguments[arguments.length - 1];
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(async function() {
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let lightDOM = document.querySelectorAll("*");
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let elementsWithoutIDs = {};
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let idElements = [];
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let lightDOMDetails = { idElements, elementsWithoutIDs };
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lightDOM.forEach(n => {
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if (n.id) {
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idElements.push(n.id);
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} else {
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if (!elementsWithoutIDs.hasOwnProperty(n.localName)) {
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elementsWithoutIDs[n.localName] = 0;
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}
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elementsWithoutIDs[n.localName]++;
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}
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});
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let lightDOMCount = lightDOM.length;
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// Recursively explore shadow DOM:
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function getShadowElements(root) {
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let allElems = Array.from(root.querySelectorAll("*"));
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let shadowRoots = allElems.map(n => n.openOrClosedShadowRoot);
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for (let innerRoot of shadowRoots) {
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if (innerRoot) {
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allElems.push(getShadowElements(innerRoot));
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}
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}
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return allElems;
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}
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let totalDOMCount = Array.from(lightDOM, node => {
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if (node.openOrClosedShadowRoot) {
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return [node].concat(
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getShadowElements(node.openOrClosedShadowRoot)
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);
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}
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return node;
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}).flat().length;
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let panelMenuCount = document.querySelectorAll(
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"panel,menupopup,popup,popupnotification"
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).length;
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return {
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panelMenuCount,
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lightDOMCount,
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totalDOMCount,
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lightDOMDetails,
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};
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})().then(callback);
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}
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);
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let { lightDOMDetails } = elementData;
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delete elementData.lightDOMDetails;
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lightDOMDetails.idElements.sort();
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for (let id of lightDOMDetails.idElements) {
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console.log(id);
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}
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console.log("Elements without ids:");
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for (let [localName, count] of Object.entries(
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lightDOMDetails.elementsWithoutIDs
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)) {
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console.log(count.toString().padStart(4) + " " + localName);
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}
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console.log(elementData);
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await context.selenium.driver.setContext("content");
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await commands.measure.start("data:text/html,BrowserDOM");
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commands.measure.addObject(elementData);
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}
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module.exports = {
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test,
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owner: "Browser Front-end team",
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name: "Dom-size",
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description: "Measures the size of the DOM",
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supportedBrowsers: ["Desktop"],
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supportedPlatforms: ["Windows", "Linux", "macOS"],
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};
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