How to use checkRootConstraints method in Playwright Internal

Best JavaScript code snippet using playwright-internal

11989.js

Source: 11989.js Github

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...94 transforms[i$1](element, options);95 }96 processAttrs(element);97 }98 function checkRootConstraints(el) {99 if (process.env.NODE_ENV !== "production") {100 if (el.tag === "slot" || el.tag === "template") {101 warnOnce(102 "Cannot use <" +103 el.tag +104 "> as component root element because it may " +105 "contain multiple nodes."106 );107 }108 if (el.attrsMap.hasOwnProperty("v-for")) {109 warnOnce(110 "Cannot use v-for on stateful component root element because " +111 "it renders multiple elements."112 );113 }114 }115 }116 if (!root) {117 root = element;118 checkRootConstraints(root);119 } else if (!stack.length) {120 if (root.if && (element.elseif || element.else)) {121 checkRootConstraints(element);122 addIfCondition(root, {123 exp: element.elseif,124 block: element125 });126 } else if (process.env.NODE_ENV !== "production") {127 warnOnce(128 "Component template should contain exactly one root element. " +129 "If you are using v-if on multiple elements, " +130 "use v-else-if to chain them instead."131 );132 }133 }134 if (currentParent && !element.forbidden) {135 if (element.elseif || element.else) {...

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start.js

Source: start.js Github

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...59 /​/​ 语法树树管理60 if (!root) {61 /​/​ 无root62 root = element63 checkRootConstraints(root)64 } else if (!stack.length) {65 /​/​ 允许有 v-if, v-else-if 和 v-else 的根元素66 if (root.if && (element.elseif || element.else)) {67 checkRootConstraints(element)68 /​/​ 添加 if 条件69 addIfCondition(root, {70 exp: element.elseif,71 block: element72 })73 } else if (process.env.NODE_ENV !== 'production') {74 warnOnce(75 `Component template should contain exactly one root element. ` +76 `If you are using v-if on multiple elements, ` +77 `use v-else-if to chain them instead.`78 )79 }80 }81 if (currentParent && !element.forbidden) {...

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11801.js

Source: 11801.js Github

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...53 transforms[i$1](element, options);54 }55 processAttrs(element);56 }57 function checkRootConstraints(el) {58 if (process.env.NODE_ENV !== "production") {59 if (el.tag === "slot" || el.tag === "template") {60 warnOnce(61 "Cannot use <" +62 el.tag +63 "> as component root element because it may " +64 "contain multiple nodes."65 );66 }67 if (el.attrsMap.hasOwnProperty("v-for")) {68 warnOnce(69 "Cannot use v-for on stateful component root element because " +70 "it renders multiple elements."71 );72 }73 }74 }75 if (!root) {76 root = element;77 checkRootConstraints(root);78 } else if (!stack.length) {79 if (root.if && (element.elseif || element.else)) {80 checkRootConstraints(element);81 addIfCondition(root, {82 exp: element.elseif,83 block: element84 });85 } else if (process.env.NODE_ENV !== "production") {86 warnOnce(87 "Component template should contain exactly one root element. " +88 "If you are using v-if on multiple elements, " +89 "use v-else-if to chain them instead."90 );91 }92 }93 if (currentParent && !element.forbidden) {94 if (element.elseif || element.else) {...

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8342.js

Source: 8342.js Github

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...53 transforms[i$1](element, options);54 }55 processAttrs(element);56 }57 function checkRootConstraints(el) {58 if (process.env.NODE_ENV !== "production") {59 if (el.tag === "slot" || el.tag === "template") {60 warnOnce(61 "Cannot use <" +62 el.tag +63 "> as component root element because it may " +64 "contain multiple nodes."65 );66 }67 if (el.attrsMap.hasOwnProperty("v-for")) {68 warnOnce(69 "Cannot use v-for on stateful component root element because " +70 "it renders multiple elements."71 );72 }73 }74 }75 if (!root) {76 root = element;77 checkRootConstraints(root);78 } else if (!stack.length) {79 if (root.if && (element.elseif || element.else)) {80 checkRootConstraints(element);81 addIfCondition(root, {82 exp: element.elseif,83 block: element84 });85 } else if (process.env.NODE_ENV !== "production") {86 warnOnce(87 "Component template should contain exactly one root element. " +88 "If you are using v-if on multiple elements, " +89 "use v-else-if to chain them instead."90 );91 }92 }93 if (currentParent && !element.forbidden) {94 if (element.elseif || element.else) {...

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11370.js

Source: 11370.js Github

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...53 transforms[i$1](element, options);54 }55 processAttrs(element);56 }57 function checkRootConstraints(el) {58 if (process.env.NODE_ENV !== "production") {59 if (el.tag === "slot" || el.tag === "template") {60 warnOnce(61 "Cannot use <" +62 el.tag +63 "> as component root element because it may " +64 "contain multiple nodes."65 );66 }67 if (el.attrsMap.hasOwnProperty("v-for")) {68 warnOnce(69 "Cannot use v-for on stateful component root element because " +70 "it renders multiple elements."71 );72 }73 }74 }75 if (!root) {76 root = element;77 checkRootConstraints(root);78 } else if (!stack.length) {79 if (root.if && (element.elseif || element.else)) {80 checkRootConstraints(element);81 addIfCondition(root, {82 exp: element.elseif,83 block: element84 });85 } else if (process.env.NODE_ENV !== "production") {86 warnOnce(87 "Component template should contain exactly one root element. " +88 "If you are using v-if on multiple elements, " +89 "use v-else-if to chain them instead."90 );91 }92 }93 if (currentParent && !element.forbidden) {94 if (element.elseif || element.else) {...

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8913.js

Source: 8913.js Github

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...53 transforms[i$1](element, options);54 }55 processAttrs(element);56 }57 function checkRootConstraints(el) {58 {59 if (el.tag === "slot" || el.tag === "template") {60 warnOnce(61 "Cannot use <" +62 el.tag +63 "> as component root element because it may " +64 "contain multiple nodes."65 );66 }67 if (el.attrsMap.hasOwnProperty("v-for")) {68 warnOnce(69 "Cannot use v-for on stateful component root element because " +70 "it renders multiple elements."71 );72 }73 }74 }75 if (!root) {76 root = element;77 checkRootConstraints(root);78 } else if (!stack.length) {79 if (root.if && (element.elseif || element.else)) {80 checkRootConstraints(element);81 addIfCondition(root, {82 exp: element.elseif,83 block: element84 });85 } else {86 warnOnce(87 "Component template should contain exactly one root element. " +88 "If you are using v-if on multiple elements, " +89 "use v-else-if to chain them instead."90 );91 }92 }93 if (currentParent && !element.forbidden) {94 if (element.elseif || element.else) {...

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10964.js

Source: 10964.js Github

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...53 transforms[i$1](element, options);54 }55 processAttrs(element);56 }57 function checkRootConstraints(el) {58 {59 if (el.tag === "slot" || el.tag === "template") {60 warnOnce(61 "Cannot use <" +62 el.tag +63 "> as component root element because it may " +64 "contain multiple nodes."65 );66 }67 if (el.attrsMap.hasOwnProperty("v-for")) {68 warnOnce(69 "Cannot use v-for on stateful component root element because " +70 "it renders multiple elements."71 );72 }73 }74 }75 if (!root) {76 root = element;77 checkRootConstraints(root);78 } else if (!stack.length) {79 if (root.if && (element.elseif || element.else)) {80 checkRootConstraints(element);81 addIfCondition(root, {82 exp: element.elseif,83 block: element84 });85 } else {86 warnOnce(87 "Component template should contain exactly one root element. " +88 "If you are using v-if on multiple elements, " +89 "use v-else-if to chain them instead."90 );91 }92 }93 if (currentParent && !element.forbidden) {94 if (element.elseif || element.else) {...

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11992.js

Source: 11992.js Github

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...53 transforms[i$1](element, options);54 }55 processAttrs(element);56 }57 function checkRootConstraints(el) {58 if (process.env.NODE_ENV !== "production") {59 if (el.tag === "slot" || el.tag === "template") {60 warnOnce(61 "Cannot use <" +62 el.tag +63 "> as component root element because it may " +64 "contain multiple nodes."65 );66 }67 if (el.attrsMap.hasOwnProperty("v-for")) {68 warnOnce(69 "Cannot use v-for on stateful component root element because " +70 "it renders multiple elements."71 );72 }73 }74 }75 if (!root) {76 root = element;77 checkRootConstraints(root);78 } else if (!stack.length) {79 if (root.if && (element.elseif || element.else)) {80 checkRootConstraints(element);81 addIfCondition(root, {82 exp: element.elseif,83 block: element84 });85 } else if (process.env.NODE_ENV !== "production") {86 warnOnce(87 "Component template should contain exactly one root element. " +88 "If you are using v-if on multiple elements, " +89 "use v-else-if to chain them instead."90 );91 }92 }93 if (currentParent && !element.forbidden) {94 if (element.elseif || element.else) {...

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Using AI Code Generation

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1const { checkRootConstraints } = require('playwright/​lib/​server/​browserType');2const browserType = 'chromium';3const options = {4};5const rootOptions = {6};7checkRootConstraints(browserType, options, rootOptions);8const { checkRootConstraints } = require('playwright/​lib/​server/​browserType');9const browserType = 'chromium';10const options = {11};12const rootOptions = {13};14checkRootConstraints(browserType, options, rootOptions);15const { checkRootConstraints } = require('playwright/​lib/​server/​browserType');16const browserType = 'chromium';17const options = {18};19const rootOptions = {20};21checkRootConstraints(browserType, options, rootOptions);22const { checkRootConstraints } = require('playwright/​lib/​server/​browserType');23const browserType = 'chromium';24const options = {25};26const rootOptions = {27};28checkRootConstraints(browserType, options, rootOptions);

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Using AI Code Generation

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1const { browserServer } = await playwright.chromium.launchServer({ headless: false });2const browser = await playwright.chromium.connectOverCDP({3 endpointURL: browserServer.wsEndpoint(),4});5const page = await browser.newPage();6await page.checkRootConstraints();7await browser.close();8 <div id="test" style="color: red; width: 200px; height: 200px;"></​div>9 const div = document.querySelector('div');10 console.log(div.getBoundingClientRect());11const { browserServer } = await playwright.chromium.launchServer({ headless: false });12const browser = await playwright.chromium.connectOverCDP({13 endpointURL: browserServer.wsEndpoint(),14});15const page = await browser.newPage();16await page.waitForLoadState();17await page.checkRootConstraints();18await browser.close();

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Using AI Code Generation

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1const { checkRootConstraints } = require('playwright/​lib/​server/​browserType');2console.log(checkRootConstraints({ name: 'chromium', channel: 'chrome' }));3const { checkRootConstraints } = require('playwright/​lib/​server/​browserType');4console.log(checkRootConstraints({ name: 'chromium', channel: 'chrome' }));5const { checkRootConstraints } = require('playwright/​lib/​server/​browserType');6console.log(checkRootConstraints({ name: 'chromium', channel: 'chrome' }));7const { checkRootConstraints } = require('playwright/​lib/​server/​browserType');8console.log(checkRootConstraints({ name: 'chromium', channel: 'chrome' }));9const { checkRootConstraints } = require('playwright/​lib/​server/​browserType');10console.log(checkRootConstraints({ name: 'chromium', channel: 'chrome' }));11const { checkRootConstraints } = require('playwright/​lib/​server/​browserType');12console.log(checkRootConstraints({ name: 'chromium', channel: 'chrome' }));13const { checkRootConstraints } = require('playwright/​lib/​server/​browserType');14console.log(checkRootConstraints({ name: 'chromium', channel: 'chrome' }));15const { checkRootConstraints } = require('playwright/​lib/​server/​browserType');16console.log(checkRootConstraints({ name: 'chromium', channel: 'chrome' }));17const { checkRootConstraints } = require('playwright/​lib/​server/​browserType');18console.log(checkRootConstraints({ name: 'chromium', channel: 'chrome' }));19const { checkRootConstraints } = require('playwright

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Using AI Code Generation

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1const { checkRootConstraints } = require('@playwright/​test/​lib/​utils/​utils');2const constraints = {3};4checkRootConstraints(constraints);5"scripts": {6}

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Using AI Code Generation

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1const { checkRootConstraints } = require('playwright/​lib/​utils/​utils');2const constraints = { width: 100, height: 100 };3const rootSize = { width: 100, height: 100 };4const rootSize = { width: 101, height: 100 };5const rootSize = { width: 100, height: 101 };6const rootSize = { width: 101, height: 101 };7const rootSize = { width: 100, height: 100 };8const rootSize = { width: 99, height: 100 };9const rootSize = { width: 100, height: 99 };10const rootSize = { width: 99, height: 99 };11const rootSize = { width: 100, height: 100 };12const rootSize = { width: 100, height: 100 };13const rootSize = { width: 101, height: 100 };14const rootSize = { width: 100, height: 101 };15const rootSize = { width: 101, height: 101 };16const rootSize = { width: 100, height: 100 };17const rootSize = { width: 99, height: 100 };18const rootSize = { width: 100, height: 99 };19const rootSize = { width: 99, height: 99 };20const rootSize = { width: 100, height: 100 };

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Using AI Code Generation

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1const { checkRootConstraints } = require('playwright/​lib/​server/​browserType');2const constraints = checkRootConstraints({headless: true, executablePath: '/​usr/​bin/​chromium'});3console.log(constraints);4const { checkRootConstraints } = require('playwright/​lib/​server/​browserType');5const constraints = checkRootConstraints({headless: true});6console.log(constraints);7const { checkRootConstraints } = require('playwright/​lib/​server/​browserType');8const constraints = checkRootConstraints({headless: false});9console.log(constraints);10const { checkRootConstraints } = require('playwright/​lib/​server/​browserType');11const constraints = checkRootConstraints({headless: false, executablePath: '/​usr/​bin/​chromium'});12console.log(constraints);13const { checkRootConstraints } = require('playwright/​lib/​server/​browserType');14const constraints = checkRootConstraints({headless: true, executablePath: '/​usr/​bin/​chromium'});15console.log(constraints);16const { checkRootConstraints } = require('playwright/​lib/​server/​browserType');17const constraints = checkRootConstraints({headless: true});18console.log(constraints);19const { checkRootConstraints } = require('playwright/​lib/​server/​browserType');20const constraints = checkRootConstraints({headless: false});21console.log(constraints);22const { checkRootConstraints } = require('playwright/​lib/​server/​browserType');23const constraints = checkRootConstraints({headless: false, executablePath: '/​usr/​bin/​chromium'});24console.log(constraints);25const { checkRootConstraints } = require('playwright/​lib/​server/​browserType');26const constraints = checkRootConstraints({headless: true, executablePath: '/​usr/​bin/​chromium'});27console.log(constraints);28const { checkRootConstraints } = require('playwright/​lib/​server/​browserType');29const constraints = checkRootConstraints({headless: true});

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Using AI Code Generation

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1const { checkRootConstraints } = require('playwright/​lib/​server/​browserType');2const { devices } = require('playwright/​lib/​server/​deviceDescriptors');3const { assert } = require('console');4(async () => {5 const desktop = await checkRootConstraints(devices['Desktop Chrome']);6 assert.strictEqual(desktop, true);7 const mobile = await checkRootConstraints(devices['iPhone 11']);8 assert.strictEqual(mobile, true);9})();10const { devices } = require('playwright/​lib/​server/​deviceDescriptors');11(async () => {12 const allDevices = await devices;13 console.log(allDevices);14})();

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Using AI Code Generation

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1const { checkRootConstraints } = require('@playwright/​test/​lib/​utils');2checkRootConstraints();3const { checkRootConstraints } = require('@playwright/​test/​lib/​utils');4checkRootConstraints();5const { checkRootConstraints } = require('@playwright/​test/​lib/​utils');6checkRootConstraints();7const { checkRootConstraints } = require('@playwright/​test/​lib/​utils');8checkRootConstraints();9const { checkRootConstraints } = require('@playwright/​test/​lib/​utils');10checkRootConstraints();11const { checkRootConstraints } = require('@playwright/​test/​lib/​utils');12checkRootConstraints();13const { checkRootConstraints } = require('@playwright/​test/​lib/​utils');14checkRootConstraints();15const { checkRootConstraints } = require('@playwright/​test/​lib/​utils');16checkRootConstraints();17const { checkRootConstraints } = require('@playwright/​test/​lib/​utils');18checkRootConstraints();

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StackOverFlow community discussions

Questions
Discussion

Jest + Playwright - Test callbacks of event-based DOM library

firefox browser does not start in playwright

Is it possible to get the selector from a locator object in playwright?

How to run a list of test suites in a single file concurrently in jest?

Running Playwright in Azure Function

firefox browser does not start in playwright

This question is quite close to a "need more focus" question. But let's try to give it some focus:

Does Playwright has access to the cPicker object on the page? Does it has access to the window object?

Yes, you can access both cPicker and the window object inside an evaluate call.

Should I trigger the events from the HTML file itself, and in the callbacks, print in the DOM the result, in some dummy-element, and then infer from that dummy element text that the callbacks fired?

Exactly, or you can assign values to a javascript variable:

const cPicker = new ColorPicker({
  onClickOutside(e){
  },
  onInput(color){
    window['color'] = color;
  },
  onChange(color){
    window['result'] = color;
  }
})

And then

it('Should call all callbacks with correct arguments', async() => {
    await page.goto(`http://localhost:5000/tests/visual/basic.html`, {waitUntil:'load'})

    // Wait until the next frame
    await page.evaluate(() => new Promise(requestAnimationFrame))

    // Act
   
    // Assert
    const result = await page.evaluate(() => window['color']);
    // Check the value
})
https://stackoverflow.com/questions/65477895/jest-playwright-test-callbacks-of-event-based-dom-library

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