How to use _onScriptParsed method in Playwright Internal

Best JavaScript code snippet using playwright-internal

ScriptAgent.js

Source: ScriptAgent.js Github

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...71 }72 }73 /​/​ TODO: Strip off query/​hash strings from URL (see CSSAgent._canonicalize())74 /​/​ WebInspector Event: Debugger.scriptParsed75 function _onScriptParsed(event, res) {76 /​/​ res = {scriptId, url, startLine, startColumn, endLine, endColumn, isContentScript, sourceMapURL}77 _idToScript[res.scriptId] = res;78 _urlToScript[res.url] = res;79 }80 /​/​ WebInspector Event: Debugger.scriptFailedToParse81 function _onScriptFailedToParse(event, res) {82 /​/​ res = {url, scriptSource, startLine, errorLine, errorMessage}83 }84 /​/​ WebInspector Event: Debugger.paused85 function _onPaused(event, res) {86 /​/​ res = {callFrames, reason, data}87 switch (res.reason) {88 /​/​ Exception89 case "exception":...

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092a980e0f10c3d5a0f320539a5e2f6d9ebd2300_11_1.js

Source: 092a980e0f10c3d5a0f320539a5e2f6d9ebd2300_11_1.js Github

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...40 _insertTrace = undefined;41 }42 }43 /​/​ WebInspector Event: Debugger.scriptParsed44 function _onScriptParsed(res) {45 /​/​ res = {scriptId, url, startLine, startColumn, endLine, endColumn, isContentScript, sourceMapURL}46 _idToScript[res.scriptId] = res;47 _urlToScript[res.url] = res;48 }49 /​/​ WebInspector Event: Debugger.scriptFailedToParse50 function _onScriptFailedToParse(res) {51 /​/​ res = {url, scriptSource, startLine, errorLine, errorMessage}52 }53 /​/​ WebInspector Event: Debugger.paused54 function _onPaused(res) {55 /​/​ res = {callFrames, reason, data}56 switch (res.reason) {57 /​/​ Exception58 case "exception":...

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68030e5486ab323f874773f202f4acd09a20f287_11_1.js

Source: 68030e5486ab323f874773f202f4acd09a20f287_11_1.js Github

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...40 _insertTrace = undefined;41 }42 }43 /​/​ WebInspector Event: Debugger.scriptParsed44 function _onScriptParsed(res) {45 /​/​ res = {scriptId, url, startLine, startColumn, endLine, endColumn, isContentScript, sourceMapURL}46 _idToScript[res.scriptId] = res;47 _urlToScript[res.url] = res;48 }49 /​/​ WebInspector Event: Debugger.scriptFailedToParse50 function _onScriptFailedToParse(res) {51 /​/​ res = {url, scriptSource, startLine, errorLine, errorMessage}52 }53 /​/​ WebInspector Event: Debugger.paused54 function _onPaused(res) {55 /​/​ res = {callFrames, reason, data}56 switch (res.reason) {57 /​/​ Exception58 case "exception":...

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JSCoverage.js

Source: JSCoverage.js Github

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1const { helper, debugError, assert } = require('../​helper')2const { EVALUATION_SCRIPT_URL } = require('../​executionContext')3const { convertToDisjointRanges } = require('../​__shared')4class JSCoverage {5 /​**6 * @param {Chrome|CRIConnection|CDPSession|Object} client7 */​8 constructor (client) {9 /​**10 * @type {Chrome|CRIConnection|CDPSession|Object}11 * @private12 */​13 this._client = client14 /​**15 * @type {boolean}16 * @private17 */​18 this._enabled = false19 this._scriptURLs = new Map()20 this._scriptSources = new Map()21 this._eventListeners = []22 this._resetOnNavigation = false23 }24 /​**25 * @param {!{resetOnNavigation?: boolean, reportAnonymousScripts?: boolean}} options26 */​27 async start (options = {}) {28 assert(!this._enabled, 'JSCoverage is already enabled')29 const { resetOnNavigation = true, reportAnonymousScripts = false } = options30 this._resetOnNavigation = resetOnNavigation31 this._reportAnonymousScripts = reportAnonymousScripts32 this._enabled = true33 this._scriptURLs.clear()34 this._scriptSources.clear()35 this._eventListeners = [36 helper.addEventListener(37 this._client,38 'Debugger.scriptParsed',39 this._onScriptParsed.bind(this)40 ),41 helper.addEventListener(42 this._client,43 'Runtime.executionContextsCleared',44 this._onExecutionContextsCleared.bind(this)45 )46 ]47 await Promise.all([48 this._client.send('Profiler.enable'),49 this._client.send('Profiler.startPreciseCoverage', {50 callCount: false,51 detailed: true52 }),53 this._client.send('Debugger.enable'),54 this._client.send('Debugger.setSkipAllPauses', { skip: true })55 ])56 }57 _onExecutionContextsCleared () {58 if (!this._resetOnNavigation) return59 this._scriptURLs.clear()60 this._scriptSources.clear()61 }62 /​**63 * @param {!Object} event64 */​65 async _onScriptParsed (event) {66 /​/​ Ignore puppeteer-injected scripts67 if (event.url === EVALUATION_SCRIPT_URL) return68 /​/​ Ignore other anonymous scripts unless the reportAnonymousScripts option is true.69 if (!event.url && !this._reportAnonymousScripts) return70 try {71 const response = await this._client.send('Debugger.getScriptSource', {72 scriptId: event.scriptId73 })74 this._scriptURLs.set(event.scriptId, event.url)75 this._scriptSources.set(event.scriptId, response.scriptSource)76 } catch (e) {77 /​/​ This might happen if the page has already navigated away.78 debugError(e)79 console.error(e)80 }81 }82 /​**83 * @return {Promise<Array<CoverageEntry>>}84 */​85 async stop () {86 assert(this._enabled, 'JSCoverage is not enabled')87 this._enabled = false88 const [profileResponse] = await Promise.all([89 this._client.send('Profiler.takePreciseCoverage'),90 this._client.send('Profiler.stopPreciseCoverage'),91 this._client.send('Profiler.disable'),92 this._client.send('Debugger.disable')93 ])94 helper.removeEventListeners(this._eventListeners)95 const coverage = []96 for (const entry of profileResponse.result) {97 let url = this._scriptURLs.get(entry.scriptId)98 if (!url && this._reportAnonymousScripts) {99 url = 'debugger:/​/​VM' + entry.scriptId100 }101 const text = this._scriptSources.get(entry.scriptId)102 if (text === undefined || url === undefined) continue103 const flattenRanges = []104 for (const func of entry.functions) flattenRanges.push(...func.ranges)105 const ranges = convertToDisjointRanges(flattenRanges)106 coverage.push({ url, ranges, text })107 }108 return coverage109 }110}...

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Using AI Code Generation

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1const playwright = require('playwright');2(async () => {3 const browser = await playwright.chromium.launch();4 const context = await browser.newContext();5 const page = await context.newPage();6 await page._client.send('Debugger.enable');7 await page._client.on('Debugger.scriptParsed', (params) => {8 console.log(params.url);9 });10 await browser.close();11})();

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Using AI Code Generation

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1const { Playwright } = require('playwright-core/​lib/​server/​playwright');2const { BrowserContext } = require('playwright-core/​lib/​server/​browserContext');3const { Page } = require('playwright-core/​lib/​server/​page');4const playwright = Playwright.createForTest();5const browserServer = await playwright.chromium.launchServer({ headless: false });6const browser = await playwright.chromium.connect({ wsEndpoint: browserServer.wsEndpoint() });7const context = await browser.newContext();8const page = await context.newPage();9Page.prototype._onScriptParsed = function (event) {10 console.log(event.url);11};12await browserServer.close();13[MIT](LICENSE)

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Using AI Code Generation

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1const playwright = require('playwright');2(async () => {3 const browser = await playwright.chromium.launch();4 const context = await browser.newContext();5 const page = await context.newPage();6 await page._client.send('Page.enable');7 page._client.on('Page.domContentEventFired', () => {8 console.log('Page.domContentEventFired');9 });10 page._client.on('Page.frameNavigated', (frame) => {11 console.log('Page.frameNavigated', frame);12 });13 page._client.on('Page.frameStartedLoading', (frame) => {14 console.log('Page.frameStartedLoading', frame);15 });16 page._client.on('Page.frameStoppedLoading', (frame) => {17 console.log('Page.frameStoppedLoading', frame);18 });19 page._client.on('Page.frameAttached', (frame) => {20 console.log('Page.frameAttached', frame);21 });22 page._client.on('Page.frameDetached', (frame) => {23 console.log('Page.frameDetached', frame);24 });25 page._client.on('Page.frameScheduledNavigation', (frame) => {26 console.log('Page.frameScheduledNavigation', frame);27 });28 page._client.on('Page.frameClearedScheduledNavigation', (frame) => {29 console.log('Page.frameClearedScheduledNavigation', frame);30 });31 page._client.on('Page.frameResized', (frame) => {32 console.log('Page.frameResized', frame);33 });34 page._client.on('Page.javascriptDialogOpening', (frame) => {35 console.log('Page.javascriptDialogOpening', frame);36 });37 page._client.on('Page.javascriptDialogClosed', (frame) => {38 console.log('Page.javascriptDialogClosed', frame);39 });40 page._client.on('Page.screencastFrame', (frame) => {41 console.log('Page.screencastFrame', frame);42 });43 page._client.on('Page.screencastVisibilityChanged', (frame) => {44 console.log('Page.screencastVisibilityChanged', frame);45 });46 page._client.on('Page.interstitialShown', (frame) => {47 console.log('Page.interstitialShown', frame);48 });49 page._client.on('Page.interstitialHidden', (frame) =>

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Using AI Code Generation

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1const playwright = require('playwright-core');2(async () => {3 const browser = await playwright.chromium.launch();4 const context = await browser.newContext();5 const page = await context.newPage();6 page._onScriptParsed(() => {7 console.log('script parsed');8 });9 await browser.close();10})();

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Using AI Code Generation

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1(async () => {2 const browser = await chromium.launch({ headless: false });3 const context = await browser.newContext();4 const page = await context.newPage();5 await page.evaluate(() => {6 window._onScriptParsed = (source) => {7 console.log(source);8 };9 });10 await page.reload();11 await browser.close();12})();13(async () => {14 const browser = await chromium.launch({ headless: false });15 const context = await browser.newContext();16 const page = await context.newPage();17 await page.evaluate(() => {18 window._onScriptParsed = (source) => {19 console.log(source);20 };21 });22 await page.reload();23 await browser.close();24})();

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Using AI Code Generation

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1const { chromium } = require('playwright');2const { getPlaywright } = require('playwright');3const playwright = getPlaywright('chromium');4const { Events } = playwright;5const { BrowserContext } = require('playwright/​lib/​server/​browserContext');6const { Page } = require('playwright/​lib/​server/​page');7const { Frame } = require('playwright/​lib/​server/​frames');8const { Script } = require('playwright/​lib/​server/​script');9const { NetworkManager } = require('playwright/​lib/​server/​network');10const { CDPSession } = require('playwright/​lib/​server/​cdp');11const { helper } = require('playwright/​lib/​server/​helper');12const { Protocol } = require('playwright/​lib/​server/​protocol');13const { assert } = require('playwright/​lib/​server/​helper');14const { Connection } = require('playwright/​lib/​server/​browserType');15const { Browser } = require('playwright/​lib/​server/​browser');16const { BrowserServer } = require('playwright/​lib/​server/​browserServer');17const { BrowserType } = require('playwright/​lib/​server/​browserType');18const { TimeoutError } = require('playwright/​lib/​server/​errors');19const { debugLogger } = require('playwright/​lib/​server/​logger');20const { isDebugMode } = require('playwright/​lib/​server/​helper');21const { EventEmitter } = require('events');22const { BrowserContextBase } = require('playwright/​lib/​server/​browserContext');23const { BrowserContextDispatcher } = require('playwright/​lib/​server/​chromium/​crBrowser');24const { PageDispatcher } = require('playwright/​lib/​server/​chromium/​crPage');25const { FrameDispatcher } = require('playwright/​lib/​server/​chromium/​crFrame');26const { ConsoleMessageDispatcher } = require('playwright/​lib/​server/​chromium/​crConsoleMessage');27const { WorkerDispatcher } = require('playwright/​lib/​server/​chromium/​crWorker');28const { DialogDispatcher } = require('playwright/​lib/​server/​chromium/​crDialog');29const { DownloadDispatcher } = require('playwright/​lib/​server/​chromium/​crDownload');30const { CDPSessionDispatcher } = require('playwright/​lib/​server/​chromium/​crConnection');31const { BrowserServerDispatcher } = require('playwright/​lib/​server/​chromium/​crBrowserServer');32const { BrowserTypeDispatcher } = require('playwright/​lib/​server/​chromium/​crBrowserType');33const { BrowserDispatcher } = require('playwright/​lib/​server/​chromium/​crBrowser');

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Using AI Code Generation

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1const playwright = require('playwright');2const { chromium } = playwright;3const fs = require('fs');4const path = require('path');5(async () => {6 const browser = await chromium.launch();7 const context = await browser.newContext();8 const page = await context.newPage();9 const scriptId = await page.evaluate(() => {10 const scriptParsed = new Promise(resolve => {11 window.__playwright__._onScriptParsed = params => {12 resolve(params);13 };14 });15 return scriptParsed;16 });17 console.log(scriptId);18 await browser.close();19})();20const playwright = require('playwright');21const { chromium } = playwright;22const fs = require('fs');23const path = require('path');24(async () => {25 const browser = await chromium.launch();26 const context = await browser.newContext();27 const page = await context.newPage();28 const scriptId = await page.evaluate(() => {29 const scriptParsed = new Promise(resolve => {30 window.__playwright__._onScriptParsed = params => {31 resolve(params);32 };33 });34 return scriptParsed;35 });36 const source = await page.evaluate(scriptId => {37 return window.__playwright__._getScriptSource(scriptId);38 }, scriptId.scriptId);39 console.log(source);40 await browser.close();41})();42const playwright = require('playwright');43const { chromium } = playwright;44const fs = require('fs');45const path = require('path');46(async () => {47 const browser = await chromium.launch();48 const context = await browser.newContext();49 const page = await context.newPage();50 const scriptId = await page.evaluate(() => {

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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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