How to use genIfConditions method in Playwright Internal

Best JavaScript code snippet using playwright-internal

RenderGenerator.js

Source: RenderGenerator.js Github

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...129 * @param {Object} ast130 */​131 genIf(ast) {132 ast.ifProcessed = true133 return this.genIfConditions(ast.ifConditions.slice())134 }135 genIfConditions(conditions) {136 if (!conditions.length) {137 return 'null'138 }139 const condition = conditions.shift()140 let code141 if (condition.exp) {142 code = `(${condition.exp}) ?${this.genElement(143 condition.block,144 )} : ${this.genIfConditions(conditions)}`145 } else {146 code = `${this.genElement(condition.block)}`147 }148 return code149 }150 /​**151 * gen for152 * @param {Object} ast153 */​154 genFor(ast) {155 const exp = ast.for156 const alias = ast.alias157 const iterator1 = ast.iterator1 ? `,${ast.iterator1}` : ''158 const iterator2 = ast.iterator2 ? `,${ast.iterator2}` : ''...

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index.js

Source: index.js Github

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...61function genOnce() { /​/​ TODO62}63export function genIf (el, state, altGen, altEmpty) {64 el.ifProcessed = true65 return genIfConditions(el.ifConditions.slice(), state, altGen, altEmpty)66}67function genIfConditions (conditions, state, altGen, altEmpty) {68 if (!conditions.length) {69 return altEmpty || '_e()'70 }71 const condition = conditions.shift()72 if (condition.exp) {73 return `(${condition.exp})?${74 genTernaryExp(condition.block)75 }:${76 genIfConditions(conditions, state, altGen, altEmpty)77 }`78 } else {79 /​/​ TODO80 }81 function genTernaryExp (el) {82 return altGen? altGen(el, state): el.once? genOnce(el, state): genElement(el, state)83 }84}85export function genData (el, state) {86 let data = '{'87 const dirs = genDirectives(el, state)88 if (dirs) data += dirs + ','89 for (let i = 0; i < state.dataGenFns.length; i++) { /​/​ dataGenFns是从options里面拿到的很多的genData的一个数组90 data += state.dataGenFns[i](el)...

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codegen.js

Source: codegen.js Github

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...82 '})'83}84export function genIf (el){85 el.ifProcessed = true /​/​ avoid recursion86 return genIfConditions(el.ifConditions.slice())87}88function genIfConditions (conditions) {89 if (!conditions.length) {90 return '_e()'91 }92 const condition = conditions.shift()93 if (condition.exp) {94 return `(${condition.exp})?${95 genElement(condition.block)96 }:${97 genIfConditions(conditions)98 }`99 } else {100 return `${genElement(condition.block)}`101 }...

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genIfConditions.js

Source: genIfConditions.js Github

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...28 /​/​ 生成代码:exp ? ternaryExp : ifConditions29 return `(${condition.exp})?${30 genTernaryExp(condition.block)31 }:${32 genIfConditions(conditions, state, altGen, altEmpty)33 }`34 } else {35 /​/​ 生成代码:ternaryExp36 return `${genTernaryExp(condition.block)}`37 }38 /​/​ v-if with v-once should generate code like (a)?_m(0):_m(1)39 /​/​ 生成代码:40 /​/​ altGen -> altGen(el, state)41 /​/​ once -> genOnce(el, state)42 /​/​ -> genEleemnt(el, state)43 function genTernaryExp (el) {44 return altGen45 ? altGen(el, state)46 : el.once...

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11848.js

Source: 11848.js Github

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1{2 el.ifProcessed = true;3 return genIfConditions(el.ifConditions.slice(), state, altGen, altEmpty);...

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8389.js

Source: 8389.js Github

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1{2 el.ifProcessed = true;3 return genIfConditions(el.ifConditions.slice(), state, altGen, altEmpty);...

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12068.js

Source: 12068.js Github

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1{2 el.ifProcessed = true;3 return genIfConditions(el.ifConditions.slice(), state, altGen, altEmpty);...

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8960.js

Source: 8960.js Github

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1{2 el.ifProcessed = true;3 return genIfConditions(el.ifConditions.slice(), state, altGen, altEmpty);...

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Using AI Code Generation

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1const { chromium } = require('playwright');2const { genIfConditions } = require('playwright/​lib/​utils/​selectorParser');3(async () => {4 const browser = await chromium.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 console.log(genIfConditions('div', 'span', 'a', 'button'));8 await browser.close();9})();10import { chromium } from 'playwright';11import { genIfConditions } from 'playwright/​lib/​utils/​selectorParser';12(async () => {13 const browser = await chromium.launch();14 const context = await browser.newContext();15 const page = await context.newPage();16 console.log(genIfConditions('div', 'span', 'a', 'button'));17 await browser.close();18})();

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Using AI Code Generation

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1const { genIfConditions } = require('playwright/​lib/​utils/​utils');2const { test } = require('@playwright/​test');3test('test', async ({ page }) => {4 await page.click(genIfConditions('a', { visible: true, text: 'About' }));5});6const { genIfConditions } = require('playwright/​lib/​utils/​utils');7const { test } = require('@playwright/​test');8test('test', async ({ page }) => {9 await page.click(genIfConditions('a', { visible: true, text: 'About' }));10});11const { genIfConditions } = require('playwright/​lib/​utils/​utils');12const { test } = require('@playwright/​test');13test('test', async ({ page }) => {14 await page.click(genIfConditions('a', { visible: true, text: 'About' }));15});16const { genIfConditions } = require('playwright/​lib/​utils/​utils');17const { test } = require('@playwright/​test');18test('test', async ({ page }) => {19 await page.click(genIfConditions('a', { visible: true, text: 'About' }));20});21const { genIfConditions } = require('playwright/​lib/​utils/​utils');22const { test } = require('@playwright/​test');23test('test', async ({ page }) => {24 await page.click(genIfConditions('a', { visible: true, text: 'About' }));25});26const { genIfConditions } = require('playwright/​lib/​utils/​utils');27const { test } = require('@playwright/​test');28test('test', async ({ page }) => {29 await page.click(genIf

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Using AI Code Generation

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1const { genIfConditions } = require('playwright/​lib/​utils/​utils');2const conditions = genIfConditions([3]);4console.log(conditions);5const { genIfConditions } = require('playwright/​lib/​utils/​utils');6const conditions = genIfConditions([7]);8console.log(conditions);9const { genIfConditions } = require('playwright/​lib/​utils/​utils');10const conditions = genIfConditions([11]);12console.log(conditions);13const { genIfConditions } = require('playwright/​lib/​utils/​utils');14const conditions = genIfConditions([15]);16console.log(conditions);17const { genIfConditions } = require('playwright/​lib/​utils/​utils');18const conditions = genIfConditions([19]);20console.log(conditions

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Using AI Code Generation

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1const { genIfConditions } = require('playwright/​lib/​utils/​selectorParser');2const selector = 'css=div > span > a';3const { conditions, text } = genIfConditions(selector);4console.log(conditions);5console.log(text);6const { genIfConditions } = require('playwright/​lib/​utils/​selectorParser');7const selector = 'css=div > span > a >> text="Hello World"';8const { conditions, text } = genIfConditions(selector);9console.log(conditions);10console.log(text);11const { genIfConditions } = require('playwright/​lib/​utils/​selectorParser');12const selector = 'css=div > span > a >> text="Hello World" >> text="Hello World"';13const { conditions, text } = genIfConditions(selector);14console.log(conditions);15console.log(text);

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Using AI Code Generation

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1const { genIfConditions } = require('playwright/​lib/​server/​frames');2const condition = genIfConditions('visible', 'hidden', 'stable', 'enabled');3console.log(condition);4const { genIfConditions } = require('playwright/​lib/​server/​frames');5const condition = genIfConditions('visible', 'hidden', 'stable');6console.log(condition);7const { genIfConditions } = require('playwright/​lib/​server/​frames');8const condition = genIfConditions('visible', 'hidden');9console.log(condition);10const { genIfConditions } = require('playwright/​lib/​server/​frames');11const condition = genIfConditions('visible');12console.log(condition);13const { genIfConditions } = require('playwright/​lib/​server/​frames');14const condition = genIfConditions();15console.log(condition);

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Using AI Code Generation

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1const { genIfConditions } = require('playwright/​lib/​utils/​utils');2console.log(genIfConditions({ foo: 'bar', baz: 'qux' }));3const { genIfConditions } = require('playwright/​lib/​utils/​utils');4console.log(genIfConditions({ foo: 'bar', baz: 'qux' }));5const { genIfConditions } = require('playwright/​lib/​utils/​utils');6console.log(genIfConditions({ foo: 'bar', baz: 'qux' }));7const { genIfConditions } = require('playwright/​lib/​utils/​utils');8console.log(genIfConditions({ foo: 'bar', baz: 'qux' }));9const { genIfConditions } = require('playwright/​lib/​utils/​utils');10console.log(genIfConditions({ foo: 'bar', baz: 'qux' }));11const { genIfConditions } = require('playwright/​lib/​utils/​utils');12console.log(genIfConditions({ foo: 'bar', baz: 'qux' }));

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Using AI Code Generation

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1const { genIfConditions } = require('playwright/​lib/​utils/​utils');2const { assert } = require('console');3let condition = genIfConditions([4 { value: 'a', expected: 'a' },5 { value: 'b', expected: 'b' },6 { value: 'c', expected: 'c' },7]);8assert(condition === "a === 'a' || b === 'b' || c === 'c'");9condition = genIfConditions([10 { value: 'a', expected: 'a' },11 { value: 'b', expected: 'b' },12 { value: 'c', expected: 'c' },13], '!==');14assert(condition === "a !== 'a' || b !== 'b' || c !== 'c'");15condition = genIfConditions([16 { value: 'a', expected: 'a' },17 { value: 'b', expected: 'b' },18 { value: 'c', expected: 'c' },19], '!==', 'd');20assert(condition === "a !== 'a' || b !== 'b' || c !== 'c' || d !== undefined");

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Using AI Code Generation

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1const path = require('path');2const playwright = require('playwright');3const { genIfConditions } = require('playwright/​lib/​server/​frames');4(async () => {5 const browser = await playwright.chromium.launch();6 const context = await browser.newContext();7 const page = await context.newPage();8 const selector = '#features';9 const ifConditions = await genIfConditions(page, selector);10 await page.evaluate((selector, ifConditions) => {11 document.querySelector(selector).style.color = 'red';12 if (ifConditions) {13 document.querySelector(selector).style.backgroundColor = 'green';14 }15 }, selector, ifConditions);16 await page.screenshot({ path: path.join(__dirname, 'screenshot.png') });17 await browser.close();18})();

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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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