How to use formatLogRecording method in Playwright Internal

Best JavaScript code snippet using playwright-internal

dispatcher.js

Source: dispatcher.js Github

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...283 } catch (e) {284 /​/​ Dispatching error285 /​/​ We want original, unmodified error in metadata.286 callMetadata.error = (0, _serializers.serializeError)(e);287 if (callMetadata.log.length) (0, _stackTrace.rewriteErrorMessage)(e, e.message + formatLogRecording(callMetadata.log));288 error = (0, _serializers.serializeError)(e);289 } finally {290 callMetadata.endTime = (0, _utils.monotonicTime)();291 await (sdkObject === null || sdkObject === void 0 ? void 0 : sdkObject.instrumentation.onAfterCall(sdkObject, callMetadata));292 }293 const response = {294 id295 };296 if (callMetadata.result) response.result = callMetadata.result;297 if (error) response.error = error;298 this.onmessage(response);299 }300 _replaceDispatchersWithGuids(payload) {301 if (!payload) return payload;302 if (payload instanceof Dispatcher) return {303 guid: payload._guid304 };305 if (Array.isArray(payload)) return payload.map(p => this._replaceDispatchersWithGuids(p));306 if (typeof payload === 'object') {307 const result = {};308 for (const key of Object.keys(payload)) result[key] = this._replaceDispatchersWithGuids(payload[key]);309 return result;310 }311 return payload;312 }313}314exports.DispatcherConnection = DispatcherConnection;315function formatLogRecording(log) {316 if (!log.length) return '';317 const header = ` logs `;318 const headerLength = 60;319 const leftLength = (headerLength - header.length) /​ 2;320 const rightLength = headerLength - header.length - leftLength;321 return `\n${'='.repeat(leftLength)}${header}${'='.repeat(rightLength)}\n${log.join('\n')}\n${'='.repeat(headerLength)}`;322}...

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waiter.js

Source: waiter.js Github

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...93 } catch (e) {94 if (dispose) dispose();95 this._error = e.message;96 this.dispose();97 (0, _stackTrace.rewriteErrorMessage)(e, e.message + formatLogRecording(this._logs));98 throw e;99 }100 }101 log(s) {102 this._logs.push(s);103 this._channelOwner._wrapApiCall(async () => {104 await this._channelOwner._channel.waitForEventInfo({105 info: {106 waitId: this._waitId,107 phase: 'log',108 message: s109 }110 }).catch(() => {});111 }, true);112 }113 _rejectOn(promise, dispose) {114 this._failures.push(promise);115 if (dispose) this._dispose.push(dispose);116 }117}118exports.Waiter = Waiter;119function waitForEvent(emitter, event, predicate) {120 let listener;121 const promise = new Promise((resolve, reject) => {122 listener = async eventArg => {123 try {124 if (predicate && !(await predicate(eventArg))) return;125 emitter.removeListener(event, listener);126 resolve(eventArg);127 } catch (e) {128 emitter.removeListener(event, listener);129 reject(e);130 }131 };132 emitter.addListener(event, listener);133 });134 const dispose = () => emitter.removeListener(event, listener);135 return {136 promise,137 dispose138 };139}140function waitForTimeout(timeout) {141 let timeoutId;142 const promise = new Promise(resolve => timeoutId = setTimeout(resolve, timeout));143 const dispose = () => clearTimeout(timeoutId);144 return {145 promise,146 dispose147 };148}149function formatLogRecording(log) {150 if (!log.length) return '';151 const header = ` logs `;152 const headerLength = 60;153 const leftLength = (headerLength - header.length) /​ 2;154 const rightLength = headerLength - header.length - leftLength;155 return `\n${'='.repeat(leftLength)}${header}${'='.repeat(rightLength)}\n${log.join('\n')}\n${'='.repeat(headerLength)}`;...

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Using AI Code Generation

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1const { formatLogRecording } = require('playwright-core/​lib/​server/​recorder/​recorderApp');2const fs = require('fs');3const path = require('path');4const logRecording = fs.readFileSync(path.join(__dirname, 'logRecording.json'), 'utf-8');5const formattedLogRecording = formatLogRecording(JSON.parse(logRecording));6fs.writeFileSync(path.join(__dirname, 'formattedLogRecording.json'), formattedLogRecording, 'utf-8');7{8 "recording": {9 {10 "metadata": {11 }12 },13 {14 "metadata": {15 }16 }17 }18}19{20 "recording": {21 {22 "metadata": {23 }24 },25 {26 "metadata": {27 }28 }29 }30}31{32 "recording": {

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Using AI Code Generation

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1const { formatLogRecording } = require('playwright/​lib/​server/​crLogRecording');2const fs = require('fs');3const path = require('path');4const recording = fs.readFileSync(path.join(__dirname, 'recording.json'), 'utf8');5const formattedRecording = formatLogRecording(recording);6fs.writeFileSync(path.join(__dirname, 'formattedRecording.json'), formattedRecording, 'utf8');7{8 "metadata": {9 "browser": {10 },11 {12 }13 },14 {15 },16 {17 "selector": ".navbar__inner > .navbar__items > a:nth-child(2)",18 "position": {19 }20 },21 {

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Using AI Code Generation

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1const { formatLogRecording } = require('@playwright/​test/​lib/​utils/​recorderUtils');2const recording = formatLogRecording(logs);3console.log(recording);4const { formatLogRecording } = require('@playwright/​test/​lib/​utils/​recorderUtils');5const recording = formatLogRecording(logs);6console.log(recording);7const { formatLogRecording } = require('@playwright/​test/​lib/​utils/​recorderUtils');8const recording = formatLogRecording(logs);9console.log(recording);10const { formatLogRecording } = require('@playwright/​test/​lib/​utils/​recorderUtils');11const recording = formatLogRecording(logs);12console.log(recording);13const { formatLogRecording } = require('@playwright/​test/​lib/​utils/​recorderUtils');14const recording = formatLogRecording(logs);15console.log(recording);16const { formatLogRecording } = require('@playwright/​test/​lib/​utils/​recorderUtils');17const recording = formatLogRecording(logs);18console.log(recording);19const { formatLogRecording } = require('@playwright/​test/​lib/​utils/​recorderUtils');20const recording = formatLogRecording(logs);21console.log(recording);22const { formatLogRecording } = require('@playwright/​test/​lib/​utils/​recorderUtils');23const recording = formatLogRecording(logs);24console.log(recording);25const { formatLogRecording } = require('@playwright/​test/​lib/​utils/​recorderUtils');26const recording = formatLogRecording(logs);27console.log(recording);28const { formatLogRecording } = require('@playwright/​test/​lib/​utils/​recorderUtils');29const recording = formatLogRecording(logs);30console.log(recording);31const { formatLogRecording } = require('@playwright/​test/​lib/​utils/​recorderUtils');32const recording = formatLogRecording(logs);33console.log(recording);

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Using AI Code Generation

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1const { formatLogRecording } = require('playwright/​lib/​utils/​recorderUtils');2const log = formatLogRecording({3 headers: { 'user-agent': 'Mozilla/​5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/​537.36 (KHTML, like Gecko) Chrome/​91.0.4472.114 Safari/​537.36' },4});5console.log(log);6const { formatLogRecording } = require('playwright/​lib/​utils/​recorderUtils');7const log = formatLogRecording({8 headers: { 'content-type': 'application/​json' },9});10console.log(log);11const { formatLogRecording } = require('playwright/​lib/​utils/​recorderUtils');12const log = formatLogRecording({13 headers: { 'content-type': 'application/​json' },14 body: { 'name': 'John Doe' }15});16console.log(log);17const { formatLogRecording } = require('playwright/​lib/​utils/​recorderUtils');18const log = formatLogRecording({

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Using AI Code Generation

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1const { formatLogRecording } = require('playwright-core/​lib/​server/​trace/​recorder/​recorder');2const path = require('path');3const fs = require('fs');4const recording = {5 metadata: {6 userAgent: 'Mozilla/​5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/​537.36 (KHTML, like Gecko) Chrome/​92.0.4515.107 Safari/​537.36',7 viewportSize: { width: 1280, height: 720 },8 },9 {10 {11 {12 responseHeaders: {13 'content-type': 'text/​html; charset=utf-8',14 'x-xss-protection': '1; mode=block',15 'strict-transport-security': 'max-age=15552000; includeSubDomains',16 },17 requestHeaders: {18 'sec-ch-ua': '" Not A;Brand";v="99", "Chromium";v="92", "Google Chrome";v="

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Using AI Code Generation

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1const { formatLogRecording } = require('@playwright/​test/​lib/​utils/​logRecording');2const logRecording = {3 {4 },5 {6 }7};8console.log(formatLogRecording(logRecording));9{10 {11 },12 {13 }14}15const { test } = require('@playwright/​test');16test('test', async ({ page }) => {17 await page.evaluate(() => console.log('hello'));18 await page.evaluate(() => console.log('world'));19});

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Questions
Discussion

firefox browser does not start in playwright

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firefox browser does not start in playwright

I found the error. It was because of some missing libraries need. I discovered this when I downgraded playwright to version 1.9 and ran the the code then this was the error msg:

(node:12876) UnhandledPromiseRejectionWarning: browserType.launch: Host system is missing dependencies!

Some of the Universal C Runtime files cannot be found on the system. You can fix
that by installing Microsoft Visual C++ Redistributable for Visual Studio from:
https://support.microsoft.com/en-us/help/2977003/the-latest-supported-visual-c-downloads

Full list of missing libraries:
    vcruntime140.dll
    msvcp140.dll
Error
    at Object.captureStackTrace (D:\Projects\snkrs-play\node_modules\playwright\lib\utils\stackTrace.js:48:19)
    at Connection.sendMessageToServer (D:\Projects\snkrs-play\node_modules\playwright\lib\client\connection.js:69:48)
    at Proxy.<anonymous> (D:\Projects\snkrs-play\node_modules\playwright\lib\client\channelOwner.js:64:61)
    at D:\Projects\snkrs-play\node_modules\playwright\lib\client\browserType.js:64:67
    at BrowserType._wrapApiCall (D:\Projects\snkrs-play\node_modules\playwright\lib\client\channelOwner.js:77:34)
    at BrowserType.launch (D:\Projects\snkrs-play\node_modules\playwright\lib\client\browserType.js:55:21)
    at D:\Projects\snkrs-play\index.js:4:35
    at Object.<anonymous> (D:\Projects\snkrs-play\index.js:7:3)
    at Module._compile (internal/modules/cjs/loader.js:1063:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1092:10)
(Use `node --trace-warnings ...` to show where the warning was created)
(node:12876) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). To terminate the node process on unhandled promise rejection, use the CLI flag `--unhandled-rejections=strict` (see https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 1)
(node:12876) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.

A list of missing libraries was provided. After successful installments, firefox ran fine. I upgraded again to version 1.10 and firefox still works.

https://stackoverflow.com/questions/66984974/firefox-browser-does-not-start-in-playwright

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