Best JavaScript code snippet using playwright-internal
index.js
Source:index.js  
...423    if (process.env.NODE_ENV !== 'production') {424      if (el.tag === 'template') {425        warn(426          `<template> cannot be keyed. Place the key on real elements instead.`,427          getRawBindingAttr(el, 'key')428        )429      }430      if (el.for) {431        const iterator = el.iterator2 || el.iterator1432        const parent = el.parent433        if (iterator && iterator === exp && parent && parent.tag === 'transition-group') {434          warn(435            `Do not use v-for index as key on <transition-group> children, ` +436            `this is the same as not using keys.`,437            getRawBindingAttr(el, 'key'),438            true /* tip */439          )440        }441      }442    }443    el.key = exp444  }445}446function processRef (el) {447  const ref = getBindingAttr(el, 'ref')448  if (ref) {449    el.ref = ref450    el.refInFor = checkInFor(el)451  }452}453export function processFor (el: ASTElement) {454  let exp455  if ((exp = getAndRemoveAttr(el, 'v-for'))) {456    const res = parseFor(exp)457    if (res) {458      extend(el, res)459    } else if (process.env.NODE_ENV !== 'production') {460      warn(461        `Invalid v-for expression: ${exp}`,462        el.rawAttrsMap['v-for']463      )464    }465  }466}467type ForParseResult = {468  for: string;469  alias: string;470  iterator1?: string;471  iterator2?: string;472};473export function parseFor (exp: string): ?ForParseResult {474  const inMatch = exp.match(forAliasRE)475  if (!inMatch) return476  const res = {}477  res.for = inMatch[2].trim()478  const alias = inMatch[1].trim().replace(stripParensRE, '')479  const iteratorMatch = alias.match(forIteratorRE)480  if (iteratorMatch) {481    res.alias = alias.replace(forIteratorRE, '').trim()482    res.iterator1 = iteratorMatch[1].trim()483    if (iteratorMatch[2]) {484      res.iterator2 = iteratorMatch[2].trim()485    }486  } else {487    res.alias = alias488  }489  return res490}491function processIf (el) {492  const exp = getAndRemoveAttr(el, 'v-if')493  if (exp) {494    el.if = exp495    addIfCondition(el, {496      exp: exp,497      block: el498    })499  } else {500    if (getAndRemoveAttr(el, 'v-else') != null) {501      el.else = true502    }503    const elseif = getAndRemoveAttr(el, 'v-else-if')504    if (elseif) {505      el.elseif = elseif506    }507  }508}509function processIfConditions (el, parent) {510  const prev = findPrevElement(parent.children)511  if (prev && prev.if) {512    addIfCondition(prev, {513      exp: el.elseif,514      block: el515    })516  } else if (process.env.NODE_ENV !== 'production') {517    warn(518      `v-${el.elseif ? ('else-if="' + el.elseif + '"') : 'else'} ` +519      `used on element <${el.tag}> without corresponding v-if.`,520      el.rawAttrsMap[el.elseif ? 'v-else-if' : 'v-else']521    )522  }523}524function findPrevElement (children: Array<any>): ASTElement | void {525  let i = children.length526  while (i--) {527    if (children[i].type === 1) {528      return children[i]529    } else {530      if (process.env.NODE_ENV !== 'production' && children[i].text !== ' ') {531        warn(532          `text "${children[i].text.trim()}" between v-if and v-else(-if) ` +533          `will be ignored.`,534          children[i]535        )536      }537      children.pop()538    }539  }540}541export function addIfCondition (el: ASTElement, condition: ASTIfCondition) {542  if (!el.ifConditions) {543    el.ifConditions = []544  }545  el.ifConditions.push(condition)546}547function processOnce (el) {548  const once = getAndRemoveAttr(el, 'v-once')549  if (once != null) {550    el.once = true551  }552}553// handle content being passed to a component as slot,554// e.g. <template slot="xxx">, <div slot-scope="xxx">555function processSlotContent (el) {556  let slotScope557  if (el.tag === 'template') {558    slotScope = getAndRemoveAttr(el, 'scope')559    /* istanbul ignore if */560    if (process.env.NODE_ENV !== 'production' && slotScope) {561      warn(562        `the "scope" attribute for scoped slots have been deprecated and ` +563        `replaced by "slot-scope" since 2.5. The new "slot-scope" attribute ` +564        `can also be used on plain elements in addition to <template> to ` +565        `denote scoped slots.`,566        el.rawAttrsMap['scope'],567        true568      )569    }570    el.slotScope = slotScope || getAndRemoveAttr(el, 'slot-scope')571  } else if ((slotScope = getAndRemoveAttr(el, 'slot-scope'))) {572    /* istanbul ignore if */573    if (process.env.NODE_ENV !== 'production' && el.attrsMap['v-for']) {574      warn(575        `Ambiguous combined usage of slot-scope and v-for on <${el.tag}> ` +576        `(v-for takes higher priority). Use a wrapper <template> for the ` +577        `scoped slot to make it clearer.`,578        el.rawAttrsMap['slot-scope'],579        true580      )581    }582    el.slotScope = slotScope583  }584  // slot="xxx"585  const slotTarget = getBindingAttr(el, 'slot')586  if (slotTarget) {587    el.slotTarget = slotTarget === '""' ? '"default"' : slotTarget588    el.slotTargetDynamic = !!(el.attrsMap[':slot'] || el.attrsMap['v-bind:slot'])589    // preserve slot as an attribute for native shadow DOM compat590    // only for non-scoped slots.591    if (el.tag !== 'template' && !el.slotScope) {592      addAttr(el, 'slot', slotTarget, getRawBindingAttr(el, 'slot'))593    }594  }595  // 2.6 v-slot syntax596  if (process.env.NEW_SLOT_SYNTAX) {597    if (el.tag === 'template') {598      // v-slot on <template>599      const slotBinding = getAndRemoveAttrByRegex(el, slotRE)600      if (slotBinding) {601        if (process.env.NODE_ENV !== 'production') {602          if (el.slotTarget || el.slotScope) {603            warn(604              `Unexpected mixed usage of different slot syntaxes.`,605              el606            )607          }608          if (el.parent && !maybeComponent(el.parent)) {609            warn(610              `<template v-slot> can only appear at the root level inside ` +611              `the receiving component`,612              el613            )614          }615        }616        const { name, dynamic } = getSlotName(slotBinding)617        el.slotTarget = name618        el.slotTargetDynamic = dynamic619        el.slotScope = slotBinding.value || emptySlotScopeToken // force it into a scoped slot for perf620      }621    } else {622      // v-slot on component, denotes default slot623      const slotBinding = getAndRemoveAttrByRegex(el, slotRE)624      if (slotBinding) {625        if (process.env.NODE_ENV !== 'production') {626          if (!maybeComponent(el)) {627            warn(628              `v-slot can only be used on components or <template>.`,629              slotBinding630            )631          }632          if (el.slotScope || el.slotTarget) {633            warn(634              `Unexpected mixed usage of different slot syntaxes.`,635              el636            )637          }638          if (el.scopedSlots) {639            warn(640              `To avoid scope ambiguity, the default slot should also use ` +641              `<template> syntax when there are other named slots.`,642              slotBinding643            )644          }645        }646        // add the component's children to its default slot647        const slots = el.scopedSlots || (el.scopedSlots = {})648        const { name, dynamic } = getSlotName(slotBinding)649        const slotContainer = slots[name] = createASTElement('template', [], el)650        slotContainer.slotTarget = name651        slotContainer.slotTargetDynamic = dynamic652        slotContainer.children = el.children.filter((c: any) => {653          if (!c.slotScope) {654            c.parent = slotContainer655            return true656          }657        })658        slotContainer.slotScope = slotBinding.value || emptySlotScopeToken659        // remove children as they are returned from scopedSlots now660        el.children = []661        // mark el non-plain so data gets generated662        el.plain = false663      }664    }665  }666}667function getSlotName (binding) {668  let name = binding.name.replace(slotRE, '')669  if (!name) {670    if (binding.name[0] !== '#') {671      name = 'default'672    } else if (process.env.NODE_ENV !== 'production') {673      warn(674        `v-slot shorthand syntax requires a slot name.`,675        binding676      )677    }678  }679  return dynamicArgRE.test(name)680    // dynamic [name]681    ? { name: name.slice(1, -1), dynamic: true }682    // static name683    : { name: `"${name}"`, dynamic: false }684}685// handle <slot/> outlets686function processSlotOutlet (el) {687  if (el.tag === 'slot') {688    el.slotName = getBindingAttr(el, 'name')689    if (process.env.NODE_ENV !== 'production' && el.key) {690      warn(691        `\`key\` does not work on <slot> because slots are abstract outlets ` +692        `and can possibly expand into multiple elements. ` +693        `Use the key on a wrapping element instead.`,694        getRawBindingAttr(el, 'key')695      )696    }697  }698}699function processComponent (el) {700  let binding701  if ((binding = getBindingAttr(el, 'is'))) {702    el.component = binding703  }704  if (getAndRemoveAttr(el, 'inline-template') != null) {705    el.inlineTemplate = true706  }707}708function processAttrs (el) {...flat1.js
Source:flat1.js  
1import { emptyObject } from 'shared/util'2import { parseFilters } from './parser/filter-parser'3type Range = { start?: number, end?: number };4export function baseWarn (msg: string, range?: Range) {/* ... */}5export function pluckModuleFunction<F: Function> (/* ... */}6/* æ·»å èªå®ä¹å±æ§(props) */7export function addProp (el: ASTElement, name: string, value: string, range?: Range, dynamic?: boolean) {/* ... */}8/* æ·»å å
ç´ å±æ§ */9export function addAttr (el: ASTElement, name: string, value: any, range?: Range, dynamic?: boolean) {/* ... */}10export function addRawAttr (el: ASTElement, name: string, value: any, range?: Range) {/* ... */}11export function addDirective (/* ... */) {/* ... */}12function prependModifierMarker (symbol: string, name: string, dynamic?: boolean): string {/* ... */}13export function addHandler (/* ... */) {/* ... */}14/* ç®åè·åç»å®å±æ§å¼ */15export function getRawBindingAttr (/* ... */) {/* ... */}16/* æ½åç»å®å±æ§ */17export function getBindingAttr (/* ... */) {/* ... */}18/* è·åç®æ å±æ§å¹¶ä»åå符串ä¸ç§»é¤ */19export function getAndRemoveAttr (/* ... */) {/* ... */}20/* è·åç®æ å±æ§å¹¶ä»åå符串ä¸ç§»é¤(ä½¿ç¨æ£åè¡¨è¾¾å¼æ¥æ¾å±æ§) */21export function getAndRemoveAttrByRegex (/* ... */) {/* ... */}22/* 设置 range(start & end) */...parse.flat2.checkRootConstraints.js
Source:parse.flat2.checkRootConstraints.js  
1/* @flow */2import he from 'he'3import { parseHTML } from './html-parser'4import { parseText } from './text-parser'5import { parseFilters } from './filter-parser'6import { genAssignmentCode } from '../directives/model'7import { extend, cached, no, camelize, hyphenate } from 'shared/util'8import { isIE, isEdge, isServerRendering } from 'core/util/env'9import {10  addProp,11  addAttr,12  baseWarn,13  addHandler,14  addDirective,15  getBindingAttr,16  getAndRemoveAttr,17  getRawBindingAttr,18  pluckModuleFunction,19  getAndRemoveAttrByRegex20} from '../helpers'21// RE expressions ...22// configurable state ...23/* è§£ææ¨¡ç */24export function parse (25  template: string,26  options: CompilerOptions27): ASTElement | void {28  // configure init ...29  // local init ...30  function checkRootConstraints (el) {31    if (el.tag === 'slot' || el.tag === 'template') {32      // invalid component root element warning ...33      warnOnce(34        `Cannot use <${el.tag}> as component root element because it may ` +35        'contain multiple nodes.',36        { start: el.start }37      )38    }39    if (el.attrsMap.hasOwnProperty('v-for')) {40      // invalid usage v-for on component root warning ...41      warnOnce(42        'Cannot use v-for on stateful component root element because ' +43        'it renders multiple elements.',44        el.rawAttrsMap['v-for']45      )46    }47  }48  parseHTML(template, {/* options ... */})49  50  return root...parse.flat2.trimEndingWhitespace.js
Source:parse.flat2.trimEndingWhitespace.js  
1/* @flow */2import he from 'he'3import { parseHTML } from './html-parser'4import { parseText } from './text-parser'5import { parseFilters } from './filter-parser'6import { genAssignmentCode } from '../directives/model'7import { extend, cached, no, camelize, hyphenate } from 'shared/util'8import { isIE, isEdge, isServerRendering } from 'core/util/env'9import {10  addProp,11  addAttr,12  baseWarn,13  addHandler,14  addDirective,15  getBindingAttr,16  getAndRemoveAttr,17  getRawBindingAttr,18  pluckModuleFunction,19  getAndRemoveAttrByRegex20} from '../helpers'21// RE expressions ...22// configurable state ...23/* è§£ææ¨¡ç */24export function parse (25  template: string,26  options: CompilerOptions27): ASTElement | void {28  // configure init ...29  // local init ...30  /* ç§»é¤å°¾é¨ç©ºç½ & 空ç½èç¹ */31  function trimEndingWhitespace (el) {32    // remove trailing whitespace node33    if (!inPre) {34      let lastNode35      while (36        (lastNode = el.children[el.children.length - 1]) &&37        lastNode.type === 3 &&38        lastNode.text === ' '39      ) {40        el.children.pop()41      }42    }43  }44  45  return root...parse.flat2.warnOnce.js
Source:parse.flat2.warnOnce.js  
1/* @flow */2import he from 'he'3import { parseHTML } from './html-parser'4import { parseText } from './text-parser'5import { parseFilters } from './filter-parser'6import { genAssignmentCode } from '../directives/model'7import { extend, cached, no, camelize, hyphenate } from 'shared/util'8import { isIE, isEdge, isServerRendering } from 'core/util/env'9import {10  addProp,11  addAttr,12  baseWarn,13  addHandler,14  addDirective,15  getBindingAttr,16  getAndRemoveAttr,17  getRawBindingAttr,18  pluckModuleFunction,19  getAndRemoveAttrByRegex20} from '../helpers'21// RE expressions ...22// configurable state ...23/* è§£ææ¨¡ç */24export function parse (25  template: string,26  options: CompilerOptions27): ASTElement | void {28  // configure init ...29  // local init ...30  /* 忬¡è¦å(ç¨äº v-once è§£æ) */31  function warnOnce (msg, range) {32    if (!warned) {33      warned = true34      warn(msg, range)35    }36  }37  parseHTML(template, {/* options ... */})38  39  return root...processKey.js
Source:processKey.js  
...6      // keyed template warning ...7      if (el.tag === 'template') {8        warn(9          `<template> cannot be keyed. Place the key on real elements instead.`,10          getRawBindingAttr(el, 'key')11        )12      }13      // index as key of v-for on <transition-group> children warning ...14      if (el.for) {15        const iterator = el.iterator2 || el.iterator116        const parent = el.parent17        if (iterator && iterator === exp && parent && parent.tag === 'transition-group') {18          warn(19            `Do not use v-for index as key on <transition-group> children, ` +20            `this is the same as not using keys.`,21            getRawBindingAttr(el, 'key'),22            true /* tip */23          )24        }25      }26    }27    // æ·»å  key 屿§28    el.key = exp29  }...helpers.js
Source:helpers.js  
1export function addAttr (el, name, value, dynamic) {2  const attrs = dynamic3    ? (el.dynamicAttrs || (el.dynamicAttrs = []))4    : (el.attrs || (el.attrs = []))5  attrs.push({ name, value, dynamic })6  el.plain = false7}8export function getRawBindingAttr (el, name) {9  return el.rawAttrsMap[':' + name] ||10    el.rawAttrsMap['v-bind:' + name] ||11    el.rawAttrsMap[name]...getRawBindingAttr.js
Source:getRawBindingAttr.js  
1/* ç®åè·åç»å®å±æ§å¼ */2export function getRawBindingAttr (3  el: ASTElement,4  name: string5) {6  return el.rawAttrsMap[':' + name] ||7    el.rawAttrsMap['v-bind:' + name] ||8    el.rawAttrsMap[name]...Using AI Code Generation
1const { getRawBindingAttr } = require('playwright/lib/server/frames');2const { chromium } = require('playwright');3(async () => {4  const browser = await chromium.launch();5  const context = await browser.newContext();6  const page = await context.newPage();7  const attr = getRawBindingAttr('aria-label', 'Google Search');8  const element = await page.$(attr);9  await element.click();10  await browser.close();11})();Using AI Code Generation
1const { getRawBindingAttr } = require('playwright/lib/server/supplements/recorder/recorderSupplement');2const { chromium } = require('playwright');3(async () => {4  const browser = await chromium.launch();5  const page = await browser.newPage();6  const rawBindingAttr = getRawBindingAttr(page, 'input[name="q"]', 'value');7  console.log(rawBindingAttr);8  await browser.close();9})();Using AI Code Generation
1const { getRawBindingAttr } = require('@playwright/test/lib/server/frames');2const { chromium } = require('playwright');3(async () => {4  const browser = await chromium.launch();5  const page = await browser.newPage();6  const binding = await getRawBindingAttr(page.mainFrame(), 'playwright');7  console.log(binding);8  await browser.close();9})();10Output: { name: 'playwright', source: 'window.playwright = {};' }11getRawBindingAttr(frame, name)12const { getRawBindingAttr } = require('@playwright/test/lib/server/frames');13const { chromium } = require('playwright');14(async () => {15  const browser = await chromium.launch();16  const page = await browser.newPage();17  const binding = await getRawBindingAttr(page.mainFrame(), 'playwright');18  console.log(binding);19  await browser.close();20})();21Output: { name: 'playwright', source: 'window.playwright = {};' }22getRawBindingAttr(frame, name)Using AI Code Generation
1const { getRawBindingAttr } = require('@playwright/test/lib/server/frames');2const { test } = require('@playwright/test');3test('test', async ({ page }) => {4  const rawBindingAttr = await getRawBindingAttr(page, 'playwright');5  console.log(rawBindingAttr);6});7{ name: 'playwright',8  source: '() => {\n' +9    '  const { testRunner } = window.__playwright__;\n' +10    '  return testRunner._bindingCall(\'playwright\');\n' +11    '}',12  value: undefined }Using AI Code Generation
1const { getRawBindingAttr } = require('playwright/lib/server/frames');2const { chromium } = require('playwright');3const { expect } = require('chai');4(async () => {5  const browser = await chromium.launch();6  const context = await browser.newContext();7  const page = await context.newPage();8  const handle = await page.$('text=Get started');9  const rawBindingAttr = getRawBindingAttr(handle);10  expect(rawBindingAttr).to.equal('text=Get started');11  await browser.close();12})();Using AI Code Generation
1const { getRawBindingAttr } = require('playwright/lib/server/frames');2const { chromium } = require('playwright');3const { test } = require('@playwright/test');4test('test', async ({ page }) => {5  const input = await page.$('input');6  const rawAttr = getRawBindingAttr(input, 'value');7  console.log(rawAttr);8  await page.close();9});Using AI Code Generation
1const { chromium } = require('playwright');2(async () => {3    const browser = await chromium.launch();4    const context = await browser.newContext();5    const page = await context.newPage();6    const element = await page.$('a');7    const attr = await element._getRawAttribute('href');8    console.log(attr);9    await browser.close();10})();Using AI Code Generation
1const { getRawBindingAttr } = require('playwright/lib/server/dom');2const { Page } = require('playwright/lib/server/page');3const { ElementHandle } = require('playwright/lib/server/dom');4const { jsHandle } = require('playwright/lib/server/supplements/jsHandle');5const { getRawBindingAttr } = require('playwright/lib/server/dom');6const { Page } = require('playwright/lib/server/page');7const { ElementHandle } = require('playwright/lib/server/dom');8const { jsHandle } = require('playwright/lib/server/supplements/jsHandle');9const { getRawBindingAttr } = require('playwright/lib/server/dom');10const { Page } = require('playwright/lib/server/page');11const { ElementHandle } = require('playwright/lib/server/dom');12const { jsHandle } = require('playwright/lib/server/supplements/jsHandle');13const { getRawBindingAttr } = require('playwright/lib/server/dom');14const { Page } = require('playwright/lib/server/page');15const { ElementHandle } = require('playwright/lib/server/dom');16const { jsHandle } = require('playwright/lib/server/supplements/jsHandle');17const { getRawBindingAttr } = require('playwright/lib/server/dom');18const { Page } = require('playwright/lib/server/page');19const { ElementHandle } = require('playwright/lib/server/dom');20const { jsHandle } = require('playwright/lib/server/supplements/jsHandle');21const { getRawBindingAttr } = require('playwright/lib/server/dom');22const { Page } = require('playwright/lib/server/page');23const { ElementHandle } = require('playwright/lib/server/dom');24const { jsHandle } = require('playwright/lib/server/supplements/jsHandle');25const { getRawBindingAttr } = require('playwright/lib/server/dom');26const { Page } = require('playwright/lib/server/page');27const { ElementHandle } = require('playwright/lib/serverUsing AI Code Generation
1const { getRawBindingAttr } = require('playwright/lib/server/frames');2const { chromium } = require('playwright');3const { test } = require('@playwright/test');4test('basic test', async ({ page }) => {5    const binding = await page.evaluateHandle(() => window);6    const bindingAttr = getRawBindingAttr(binding);7    console.log(bindingAttr);8});9{10  "scripts": {11  },12  "dependencies": {13  }14}15const { getRawBindingAttr } = require('playwright/lib/server/frames');16const { chromium } = require('playwright');17const { test } = require('@playwright/test');18test('basic test', async ({ page }) => {19    const binding = await page.evaluateHandle(() => document);20    const bindingAttr = getRawBindingAttr(binding);21    console.log(bindingAttr);22});23{24  "scripts": {25  },26  "dependencies": {27  }28}Using AI Code Generation
1const { getRawBindingAttr } = require('@playwright/test/lib/server/frames');2const { page } = require('@playwright/test');3(async () => {4  const raw = await getRawBindingAttr(page.mainFrame(), 'id', 'myId');5  console.log(raw);6})();7const { getRawBindingAttr } = require('@playwright/test/lib/server/frames');8const { page } = require('@playwright/test');9(async () => {10  const raw = await getRawBindingAttr(page.mainFrame(), 'id', 'myId');11  console.log(raw);12})();LambdaTest’s Playwright tutorial will give you a broader idea about the Playwright automation framework, its unique features, and use cases with examples to exceed your understanding of Playwright testing. This tutorial will give A to Z guidance, from installing the Playwright framework to some best practices and advanced concepts.
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