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How to use captureRawStack method in Playwright Internal

Best JavaScript code snippet using playwright-internal

channelOwner.js

Source:channelOwner.js

1"use strict";2Object.defineProperty(exports, "__esModule", {3  value: true4});5exports.renderCallWithParams = renderCallWithParams;6exports.ChannelOwner = void 0;7var _events = require("events");8var _validator = require("../protocol/validator");9var _debugLogger = require("../utils/debugLogger");10var _stackTrace = require("../utils/stackTrace");11var _utils = require("../utils/utils");12var _zones = require("../utils/zones");13/**14 * Copyright (c) Microsoft Corporation.15 *16 * Licensed under the Apache License, Version 2.0 (the 'License");17 * you may not use this file except in compliance with the License.18 * You may obtain a copy of the License at19 *20 * http://www.apache.org/licenses/LICENSE-2.021 *22 * Unless required by applicable law or agreed to in writing, software23 * distributed under the License is distributed on an "AS IS" BASIS,24 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.25 * See the License for the specific language governing permissions and26 * limitations under the License.27 */28class ChannelOwner extends _events.EventEmitter {29  constructor(parent, type, guid, initializer, instrumentation) {30    var _this$_parent;31    super();32    this._connection = void 0;33    this._parent = void 0;34    this._objects = new Map();35    this._type = void 0;36    this._guid = void 0;37    this._channel = void 0;38    this._initializer = void 0;39    this._logger = void 0;40    this._instrumentation = void 0;41    this.setMaxListeners(0);42    this._connection = parent instanceof ChannelOwner ? parent._connection : parent;43    this._type = type;44    this._guid = guid;45    this._parent = parent instanceof ChannelOwner ? parent : undefined;46    this._instrumentation = instrumentation || ((_this$_parent = this._parent) === null || _this$_parent === void 0 ? void 0 : _this$_parent._instrumentation);47    this._connection._objects.set(guid, this);48    if (this._parent) {49      this._parent._objects.set(guid, this);50      this._logger = this._parent._logger;51    }52    this._channel = this._createChannel(new _events.EventEmitter());53    this._initializer = initializer;54  }55  _dispose() {56    // Clean up from parent and connection.57    if (this._parent) this._parent._objects.delete(this._guid);58    this._connection._objects.delete(this._guid); // Dispose all children.59    for (const object of [...this._objects.values()]) object._dispose();60    this._objects.clear();61  }62  _debugScopeState() {63    return {64      _guid: this._guid,65      objects: Array.from(this._objects.values()).map(o => o._debugScopeState())66    };67  }68  _createChannel(base) {69    const channel = new Proxy(base, {70      get: (obj, prop) => {71        if (prop === 'debugScopeState') return params => this._connection.sendMessageToServer(this, prop, params, null);72        if (typeof prop === 'string') {73          const validator = scheme[paramsName(this._type, prop)];74          if (validator) {75            return params => {76              return this._wrapApiCall(apiZone => {77                const {78                  stackTrace,79                  csi,80                  callCookie81                } = apiZone.reported ? {82                  csi: undefined,83                  callCookie: undefined,84                  stackTrace: null85                } : apiZone;86                apiZone.reported = true;87                if (csi && stackTrace && stackTrace.apiName) csi.onApiCallBegin(renderCallWithParams(stackTrace.apiName, params), stackTrace, callCookie);88                return this._connection.sendMessageToServer(this, prop, validator(params, ''), stackTrace);89              });90            };91          }92        }93        return obj[prop];94      }95    });96    channel._object = this;97    return channel;98  }99  async _wrapApiCall(func, isInternal = false) {100    const logger = this._logger;101    const stack = (0, _stackTrace.captureRawStack)();102    const apiZone = _zones.zones.zoneData('apiZone', stack);103    if (apiZone) return func(apiZone);104    const stackTrace = (0, _stackTrace.captureStackTrace)(stack);105    if (isInternal) delete stackTrace.apiName;106    const csi = isInternal ? undefined : this._instrumentation;107    const callCookie = {};108    const {109      apiName,110      frameTexts111    } = stackTrace;112    try {113      logApiCall(logger, `=> ${apiName} started`, isInternal);114      const apiZone = {115        stackTrace,116        isInternal,117        reported: false,118        csi,119        callCookie120      };121      const result = await _zones.zones.run('apiZone', apiZone, async () => {122        return await func(apiZone);123      });124      csi === null || csi === void 0 ? void 0 : csi.onApiCallEnd(callCookie);125      logApiCall(logger, `<= ${apiName} succeeded`, isInternal);126      return result;127    } catch (e) {128      const innerError = (process.env.PWDEBUGIMPL || (0, _utils.isUnderTest)()) && e.stack ? '\n<inner error>\n' + e.stack : '';129      e.message = apiName + ': ' + e.message;130      e.stack = e.message + '\n' + frameTexts.join('\n') + innerError;131      csi === null || csi === void 0 ? void 0 : csi.onApiCallEnd(callCookie, e);132      logApiCall(logger, `<= ${apiName} failed`, isInternal);133      throw e;134    }135  }136  toJSON() {137    // Jest's expect library tries to print objects sometimes.138    // RPC objects can contain links to lots of other objects,139    // which can cause jest to crash. Let's help it out140    // by just returning the important values.141    return {142      _type: this._type,143      _guid: this._guid144    };145  }146}147exports.ChannelOwner = ChannelOwner;148function logApiCall(logger, message, isNested) {149  if (isNested) return;150  if (logger && logger.isEnabled('api', 'info')) logger.log('api', 'info', message, [], {151    color: 'cyan'152  });153  _debugLogger.debugLogger.log('api', message);154}155function paramsName(type, method) {156  return type + method[0].toUpperCase() + method.substring(1) + 'Params';157}158const paramsToRender = ['url', 'selector', 'text', 'key'];159function renderCallWithParams(apiName, params) {160  const paramsArray = [];161  if (params) {162    for (const name of paramsToRender) {163      if (params[name]) paramsArray.push(params[name]);164    }165  }166  const paramsText = paramsArray.length ? '(' + paramsArray.join(', ') + ')' : '';167  return apiName + paramsText;168}169const tChannel = name => {170  return (arg, path) => {171    if (arg._object instanceof ChannelOwner && (name === '*' || arg._object._type === name)) return {172      guid: arg._object._guid173    };174    throw new _validator.ValidationError(`${path}: expected ${name}`);175  };176};...

stackTrace.js

Source:stackTrace.js

...41const TEST_DIR_SRC = _path.default.resolve(CORE_DIR, '..', 'playwright-test');42const TEST_DIR_LIB = _path.default.resolve(CORE_DIR, '..', '@playwright', 'test');43const COVERAGE_PATH = _path.default.join(CORE_DIR, '..', '..', 'tests', 'config', 'coverage.js');44const WS_LIB = _path.default.relative(process.cwd(), _path.default.dirname(require.resolve('ws')));45function captureRawStack() {46  const stackTraceLimit = Error.stackTraceLimit;47  Error.stackTraceLimit = 30;48  const error = new Error();49  const stack = error.stack;50  Error.stackTraceLimit = stackTraceLimit;51  return stack;52}53function isInternalFileName(file, functionName) {54  // Node 16+ has node:internal.55  if (file.startsWith('internal') || file.startsWith('node:')) return true; // EventEmitter.emit has 'events.js' file.56  if (file === 'events.js' && functionName !== null && functionName !== void 0 && functionName.endsWith('emit')) return true; // Node 1257  if (file === '_stream_readable.js' || file === '_stream_writable.js') return true;58  if (file.startsWith(WS_LIB)) return true;59  return false;60}61function captureStackTrace(rawStack) {62  const stack = rawStack || captureRawStack();63  const isTesting = (0, _utils.isUnderTest)();64  let parsedFrames = stack.split('\n').map(line => {65    const frame = stackUtils.parseLine(line);66    if (!frame || !frame.file) return null;67    if (isInternalFileName(frame.file, frame.function)) return null; // Workaround for https://github.com/tapjs/stack-utils/issues/6068    let fileName;69    if (frame.file.startsWith('file://')) fileName = new URL(frame.file).pathname;else fileName = _path.default.resolve(process.cwd(), frame.file);70    if (isTesting && fileName.includes(COVERAGE_PATH)) return null;71    const inCore = fileName.startsWith(CORE_LIB) || fileName.startsWith(CORE_SRC);72    const parsed = {73      frame: {74        file: fileName,75        line: frame.line,76        column: frame.column,...

zones.js

Source:zones.js

1"use strict";2Object.defineProperty(exports, "__esModule", {3  value: true4});5exports.zones = void 0;6var _stackTrace = require("./stackTrace");7/**8 * Copyright (c) Microsoft Corporation.9 *10 * Licensed under the Apache License, Version 2.0 (the "License");11 * you may not use this file except in compliance with the License.12 * You may obtain a copy of the License at13 *14 * http://www.apache.org/licenses/LICENSE-2.015 *16 * Unless required by applicable law or agreed to in writing, software17 * distributed under the License is distributed on an "AS IS" BASIS,18 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.19 * See the License for the specific language governing permissions and20 * limitations under the License.21 */22class ZoneManager {23  constructor() {24    this.lastZoneId = 0;25    this._zones = new Map();26  }27  async run(type, data, func) {28    const zone = new Zone(this, ++this.lastZoneId, type, data);29    this._zones.set(zone.id, zone);30    return zone.run(func);31  }32  zoneData(type, rawStack) {33    const stack = rawStack || (0, _stackTrace.captureRawStack)();34    for (const line of stack.split('\n')) {35      const index = line.indexOf('__PWZONE__[');36      if (index !== -1) {37        const zoneId = +line.substring(index + '__PWZONE__['.length, line.indexOf(']', index));38        const zone = this._zones.get(zoneId);39        if (zone && zone.type === type) return zone.data;40      }41    }42    return null;43  }44}45class Zone {46  constructor(manager, id, type, data) {47    this._manager = void 0;48    this.id = void 0;49    this.type = void 0;50    this.data = {};51    this._manager = manager;52    this.id = id;53    this.type = type;54    this.data = data;55  }56  async run(func) {57    Object.defineProperty(func, 'name', {58      value: `__PWZONE__[${this.id}]`59    });60    try {61      return await func();62    } finally {63      this._manager._zones.delete(this.id);64    }65  }66}67const zones = new ZoneManager();...

Using AI Code Generation

1const playwright = require('playwright');2(async () => {3  const browser = await playwright['chromium'].launch();4  const page = await browser.newPage();5  const stack = await page.evaluate(() => {6    return window['playwright'].captureRawStack();7  });8  console.log(stack);9  await browser.close();10})();

Using AI Code Generation

1const playwright = require('playwright');2(async () => {3  const browser = await playwright.chromium.launch();4  const page = await browser.newPage();5  const stack = await page.evaluate(() => {6    return window.__playwright__internal__captureRawStack();7  });8  console.log(stack);9  await browser.close();10})();11  {12  }13const playwright = require('playwright');14(async () => {15  const browser = await playwright.chromium.launch();16  const page = await browser.newPage();17  const stack = await page.evaluate(() => {18    return window.__playwright__internal__captureRawStack();19  });20  console.log(stack);21  await browser.close();22})();23  {24  }25const playwright = require('playwright');26(async () => {27  const browser = await playwright.chromium.launch();28  const page = await browser.newPage();29  const stack = await page.evaluate(() => {30    return window.__playwright__internal__captureRawStack();31  });

Using AI Code Generation

1const { captureRawStack } = require('playwright/lib/internal/stacks');2const stack = captureRawStack(1);3console.log(stack);4const { captureStack } = require('playwright/lib/internal/stacks');5const stack = captureStack(1);6console.log(stack);7const { parseStack } = require('playwright/lib/internal/stacks');8const stack = parseStack('Error: test');9console.log(stack);10const { parseStackTrace } = require('playwright/lib/internal/stacks');11const stack = parseStackTrace('Error: test');12console.log(stack);13const { rewriteErrorMessage } = require('playwright/lib/internal/stacks');14const stack = rewriteErrorMessage('Error: test');15console.log(stack);16const { rewriteStackTrace } = require('playwright/lib/internal/stacks');17const stack = rewriteStackTrace('Error: test');18console.log(stack);19const { serializeError } = require('playwright/lib/internal/stacks');20const stack = serializeError('Error: test');21console.log(stack);22const { stackUtils } = require('playwright/lib/internal/stacks');23const stack = stackUtils.captureString(1);24console.log(stack);25const { stackUtils } = require('playwright/lib/internal/stacks');26const stack = stackUtils.captureString(1);27console.log(stack);28const { stackUtils } = require('playwright/lib/internal/stacks');29const stack = stackUtils.captureString(1);30console.log(stack);31const { stackUtils } = require('playwright/lib/internal/stacks');32const stack = stackUtils.captureString(1);33console.log(stack);34const { stackUtils } = require('playwright/lib/internal/stacks');35const stack = stackUtils.captureString(1);

Using AI Code Generation

1const stack = require('playwright/lib/server/crBrowser').captureRawStack();2console.log(stack);3const stack = new Error().stack;4console.log(stack);5    at Object.<anonymous> (/home/saransh/Playwright/test.js:2:24)6    at Module._compile (internal/modules/cjs/loader.js:1137:30)7    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1157:10)8    at Module.load (internal/modules/cjs/loader.js:985:32)9    at Function.Module._load (internal/modules/cjs/loader.js:878:14)10    at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:71:12)11    at Object.<anonymous> (/home/saransh/Playwright/test.js:7:24)12    at Module._compile (internal/modules/cjs/loader.js:1137:30)13    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1157:10)14    at Module.load (internal/modules/cjs/loader.js:985:32)15    at Function.Module._load (internal/modules/cjs/loader.js:878:14)16    at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:71:12)17Difference between console.log() and console.error() in Node.js18Difference between console.warn() and console.error() in Node.js19Difference between console.log() and console.info() in Node.js

Using AI Code Generation

1const stack = await playwright.chromium._impl._browserContext._browser._defaultContext._delegate._delegate._delegate._delegate._delegate._delegate._delegate._delegate._delegate.captureRawStack(false);2console.log(stack);3{4at Object.<anonymous> (/Users/abc/Playwright/playwright/test.js:1:1)5at Module._compile (internal/modules/cjs/loader.js:1138:30)6at Object.Module._extensions..js (internal/modules/cjs/loader.js:1158:10)7at Module.load (internal/modules/cjs/loader.js:985:32)8at Function.Module._load (internal/modules/cjs/loader.js:878:14)9at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:71:12)10}

Playwright tutorial

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Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
Functions and Selectors in Playwright: Learn how to launch the Chromium browser with Playwright. Also, gain a better understanding of some important functions like “BrowserContext,” which allows you to run multiple browser sessions, and “newPage” which interacts with a page.
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