Best JavaScript code snippet using playwright-internal
scenario.js
Source:scenario.js  
...151/**152 * Starts promise chain, so helpers could enqueue their hooks153 */154module.exports.setup = function (suite) {155  return injectHook(() => {156    recorder.startUnlessRunning();157    event.emit(event.test.before, suite && suite.ctx && suite.ctx.currentTest);158  }, suite);159};160module.exports.teardown = function (suite) {161  return injectHook(() => {162    recorder.startUnlessRunning();163    event.emit(event.test.after, suite && suite.ctx && suite.ctx.currentTest);164  }, suite);165};166module.exports.suiteSetup = function (suite) {167  return injectHook(() => {168    recorder.startUnlessRunning();169    event.emit(event.suite.before, suite);170  }, suite);171};172module.exports.suiteTeardown = function (suite) {173  return injectHook(() => {174    recorder.startUnlessRunning();175    event.emit(event.suite.after, suite);176  }, suite);177};178const getInjectedArguments = (fn, test) => {179  const container = require('./container');180  const testArgs = {};181  const params = parser.getParams(fn) || [];182  const objects = container.support();183  for (const key of params) {184    testArgs[key] = {};185    if (test && test.inject && test.inject[key]) {186      // @FIX: need fix got inject187      testArgs[key] = test.inject[key];...ast_hook_inject.js
Source:ast_hook_inject.js  
...3const babel = require("@babel/core");4const types = require("@babel/types");5const generator = require("@babel/generator");6const hookFunctionName = "cc11";7function injectHook(jsCode) {8    const ast = babel.parse(jsCode);9    babel.traverse(ast, {10        // åé声æ11        VariableDeclaration(path) {12            const node = path.node;13            if (!(node.declarations && node.declarations.length)) {14                return;15            }16            for (let variableDeclarator of node.declarations) {17                if (!variableDeclarator.init) {18                    continue;19                }20                if (types.isFunctionExpression(variableDeclarator.init)) {21                    continue;22                }23                let varName = "";24                if (types.isIdentifier(variableDeclarator.id) || types.isMemberExpression(variableDeclarator.id)) {25                    varName = generator.default(variableDeclarator.id).code;26                }27                try {28                    const hookFunctionArguments = [29                        types.stringLiteral(varName),30                        variableDeclarator.init,31                        types.stringLiteral("var-init")32                    ];33                    variableDeclarator.init = types.callExpression(types.identifier(hookFunctionName), hookFunctionArguments)34                } catch (e) {35                    console.error(e);36                }37            }38        },39        AssignmentExpression(path) {40            const node = path.node;41            if (types.isFunctionExpression(node)) {42                return;43            }44            let varName = "";45            if (types.isIdentifier(node.left) || types.isMemberExpression(node.left)) {46                varName = generator.default(node.left).code;47            }48            try {49                const hookFunctionArguments = [50                    types.stringLiteral(varName),51                    node.right,52                    types.stringLiteral("assign")53                ];54                node.right = types.callExpression(types.identifier(hookFunctionName), hookFunctionArguments)55            } catch (e) {56                console.error(e);57            }58        },59        // 对象表达å¼60        ObjectExpression(path) {61            const node = path.node;62            if (!(node.properties && node.properties.length)) {63                return;64            }65            for (let objectProperty of node.properties) {66                const propertyValue = objectProperty.value;67                if (types.isFunctionExpression(propertyValue)) {68                    continue;69                }70                if (types.isObjectExpression(propertyValue)) {71                    continue;72                }73                if (!propertyValue) {74                    return;75                }76                let objectKey = objectProperty.key;77                if (types.isIdentifier(objectKey)) {78                    objectKey = types.stringLiteral(objectKey.name);79                }80                try {81                    const hookFunctionArguments = [82                        objectKey,83                        propertyValue,84                        types.stringLiteral("object-key-init")85                    ];86                    objectProperty.value = types.callExpression(types.identifier(hookFunctionName), hookFunctionArguments);87                } catch (e) {88                    console.error(e);89                }90            }91        },92        // 彿°çå½¢å93        FunctionDeclaration(path) {94            const node = path.node;95            if (!(node.params && node.params.length)) {96                return;97            }98            const params = node.params;99            if (types.isBlockStatement(node.body)) {100                // 彿°ä½æ¯ä¸ªä»£ç åçï¼åå¨ä»£ç åæå颿å
¥Hookï¼æ£æ¥åæ°çå¼101                for (let i = params.length - 1; i >= 0; i--) {102                    try {103                        const paramName = params[i];104                        const hookFunctionArguments = [105                            types.stringLiteral(generator.default(paramName).code),106                            paramName,107                            types.stringLiteral("function-parameter")108                        ];109                        const hookFunction = types.callExpression(types.identifier(hookFunctionName), hookFunctionArguments);110                        node.body.body.unshift(types.expressionStatement(hookFunction));111                    } catch (e) {112                        console.error(e);113                    }114                }115            }116        }117    })118    return generator.default(ast).code;119}120// module.exports.injectHook = injectHook;121var hookfunc = `122if (!window.myDB){123    window.myDB = []124};125function `+hookFunctionName+`(a, b, c){126    var DB = window.myDB127    var tp = Object.prototype.toString.call(b)128    if (/String/.test(tp) && tp.length > 10){129        DB.push([b, getCodeLocation()])130    }131    return b132};133function findv(str){134    var DB = window.myDB135    for (var i = 0; i < DB.length; i++) {136        if (DB[i][0].indexOf(str) != -1){137            console.log(DB[i][0], DB[i][1])138        }139    }140};141function getCodeLocation() {142    const c = new Error().stack.split("\\n");143    while (c.length > 0 && c[0].indexOf("`+hookFunctionName+`") === -1) {144        c.shift();145    }146    if (c.length < 2) {147        return null;148    }149    c.shift();150    return c.shift();151};152`153// var jscode = fs.readFileSync("./test_hook.js", { encoding: "utf-8" });154// v = hookfunc + injectHook(jscode)155// console.log(v)156function make_inject_hook(jscode) {157    return hookfunc + injectHook(jscode)...fetch.js
Source:fetch.js  
...25 * @description åAxioså®ä¾ä¸æ³¨å
¥å¯¹åºçæ¦æªå¨å½æ°26 * @param {Axios} instance Axioså®ä¾27 * @param {Object} options 为Axioså®ä¾åç¬é
ç½®çæ¦æªå¨å½æ°éå28 */29function injectHook(instance, options) {30    if(!instance){ return; }31    let _error = options.error || axiosHooks.error;32    // æ·»å è¯·æ±æ¦æªå¨33    instance.interceptors.request.use(conf => {34        let _before = options.before || axiosHooks.before;35        _before(conf);36        return conf;37    }, err => {38        _error(err);39        return Promise.reject(err);40    });41    // æ·»å ååºæ¦æªå¨42    instance.interceptors.response.use(res => {43        let _success = options.success || axiosHooks.success;44        let _res = _success(res);45        return (_res || res);46    }, err => {47        _error(err);48        return Promise.reject(err);49    });50}51/**52 * @description æå¨é
ç½®éç¨çæ¦æªå¨é©å彿°53 * @param {Object} options é
ç½®é项 54 */55function initRequestHooks(options) {56    options = options || {};57    hookFns.forEach(m => {58        if(!options[m]){ return; }59        axiosHooks[m] = options[m];60    });61}62/**63 * @description è·åAxioså®ä¾64 * @param {Object} options axioså®ä¾é项65 * @returns {Axios} Axioså®ä¾66 */67function getFetcher(options){68    let config = {69        cancelToken: new axios.CancelToken(c => reqStack.push(c)),70    };71    options = Object.assign({}, options);72    if(/^get$/i.test(options.method)){73        config.transformRequest = [data => qs.stringify(data)];74    }75    if(options.headers){76        config.headers = options.headers;77    }78    let instance = axios.create(config);79    if(options.useHook !== false){80        //é»è®¤ä½¿ç¨æ³¨åçæ¦æªå¨é©å彿°81        injectHook(instance, options);82    }83    ['all', 'spread'].forEach(m => instance[m] = axios[m]);84    return instance;85}86/**87 * fetchå¯¹è±¡ï¼ægetãpostãputådeleteåä¸ªæ¹æ³ç¨äºå¯¹åºhttp请æ±88 */89let fetch = {};90['get', 'post', 'put', 'delete'].forEach(m => {91    fetch[m] = function(url, pms, options){92        let instance = getFetcher(Object.assign({}, options, { method: m }));93        if(m === 'get' && !pms.params){94            pms = { params: pms };95        }...index.js
Source:index.js  
...48 * @param {String} id49 * @param {Object} options50 */51function makeOptionsHot (id, options) {52  injectHook(options, initHookName, function () {53    map[id].instances.push(this)54  })55  injectHook(options, 'beforeDestroy', function () {56    var instances = map[id].instances57    instances.splice(instances.indexOf(this), 1)58  })59}60/**61 * Inject a hook to a hot reloadable component so that62 * we can keep track of it.63 *64 * @param {Object} options65 * @param {String} name66 * @param {Function} hook67 */68function injectHook (options, name, hook) {69  var existing = options[name]...lifeCycleHook.js
Source:lifeCycleHook.js  
1function injectHook(type, hook, target = currentInstance, prepend = false) {2    if (target) {3        const hooks = target[type] || (target[type] = []);4        // cache the error handling wrapper for injected hooks so the same hook5        // can be properly deduped by the scheduler. "__weh" stands for "with error6        // handling".7        const wrappedHook = hook.__weh ||8            (hook.__weh = (...args) => {9                if (target.isUnmounted) {10                    return;11                }12                // disable tracking inside all lifecycle hooks13                // since they can potentially be called inside effects.14                pauseTracking();15                // Set currentInstance during hook invocation.16                // This assumes the hook does not synchronously trigger other hooks, which17                // can only be false when the user does something really funky.18                setCurrentInstance(target);19                const res = callWithAsyncErrorHandling(hook, target, type, args);20                setCurrentInstance(null);21                resetTracking();22                return res;23            });24        if (prepend) {25            hooks.unshift(wrappedHook);26        }27        else {28            hooks.push(wrappedHook);29        }30        return wrappedHook;31    }32    else {33        const apiName = `on${capitalize(ErrorTypeStrings[type].replace(/ hook$/, ''))}`;34        warn(`${apiName} is called when there is no active component instance to be ` +35            `associated with. ` +36            `Lifecycle injection APIs can only be used during execution of setup().` +37            ( ` If you are using async setup(), make sure to register lifecycle ` +38                    `hooks before the first await statement.`39                ));40    }41}42const createHook = (lifecycle) => (hook, target = currentInstance) => 43// post-create lifecycle registrations are noops during SSR44!isInSSRComponentSetup && injectHook(lifecycle, hook, target);45const onBeforeMount = createHook("bm" /* BEFORE_MOUNT */);46const onMounted = createHook("m" /* MOUNTED */);47const onBeforeUpdate = createHook("bu" /* BEFORE_UPDATE */);48const onUpdated = createHook("u" /* UPDATED */);49const onBeforeUnmount = createHook("bum" /* BEFORE_UNMOUNT */);50const onUnmounted = createHook("um" /* UNMOUNTED */);51const onRenderTriggered = createHook("rtg" /* RENDER_TRIGGERED */);52const onRenderTracked = createHook("rtc" /* RENDER_TRACKED */);53const onErrorCaptured = (hook, target = currentInstance) => {54    injectHook("ec" /* ERROR_CAPTURED */, hook, target);...task.js
Source:task.js  
1const chalk = require('chalk');2const pkgUtils = require('./utils/pkg-utils');3function injectHook(hook) {4  return (callback) => {5    return {6      hook,7      callback,8    };9  };10}11const HOOKS = {12  beforeAsk: 'beforeAsk',13  afterAsk: 'afterAsk',14  complete: 'complete',15};16const when = {17  beforeAsk: injectHook(HOOKS.beforeAsk),18  afterAsk: injectHook(HOOKS.afterAsk),19  complete: injectHook(HOOKS.complete),20};21/** create tasks from constructor */22async function resolveTasks(ctor, config) {23  if (typeof ctor !== 'function') {24    throw new Error('meta.task must be a function');25  }26  const api = {27    pkg: pkgUtils(config.dest),28    chalk,29  };30  const tasks = await ctor(when, api);31  if (!Array.isArray(tasks)) {32    throw new Error('meta.task must return an array');33  }...lifecycle.js
Source:lifecycle.js  
...6  MOUNTED: "m",7  UPDATED: "u"8};9export function onCreate(fn, app = currentInstance) {10  injectHook(LifecycleHooks.CREATED, fn, app);11}12export function onMount(fn, app = currentInstance) {13  injectHook(LifecycleHooks.MOUNTED, fn, app);14}15export function onUpdate(fn, app = currentInstance) {16  injectHook(LifecycleHooks.UPDATED, fn, app);17}18export function injectHook(type, hook, target) {19  if (target) {20    (target[type] || (target[type] = [])).push((...args) => {21      pauseTracking();22      setCurrentInstance(target);23      const res = hook(...args);24      setCurrentInstance(null);25      resumeTracking();26      return res;27    });28  }29}30export function callHook(target, type, ...args) {31  if (target && isArray(target[type])) {32    target[type].forEach(hook => {...content.js
Source:content.js  
1function injectHook(url, type = '') {2    const hookScript = document.createElement("script");3    if (type !== '') hookScript.type = "module";4    hookScript.src = url;5    hookScript.onload = function () {6        this.remove();7    };8    (document.head || document.body || document.documentElement).appendChild(hookScript);9}10// injectHook(chrome.extension.getURL('/lib/emoji.js'));11// chrome.runtime.onMessage.addListener(function (request, sender, sendResponse) {12//     if (request.message === 'TabUpdated' && document.location.href.includes('https://www.facebook.com/stories')) {13//         // injectHook(chrome.extension.getURL(`/lib/story.js?v=${getRandom(1, 100)}`), 'module');14//         // injectHook(chrome.extension.getURL(`/lib/story.js`), 'module');15//         // chrome.tabs.executeScript(null, {file: 'lib/story.js'});16//     }17// })18function getRandom(min, max) {19    return Math.random() * (max - min) + min;...Using AI Code Generation
1const { injectHook } = require('playwright/lib/server/chromium/crConnection');2const { chromium } = require('playwright');3(async () => {4  const browser = await chromium.launch({ headless: false });5  const context = await browser.newContext();6  const page = await context.newPage();7  injectHook(page, 'Network.requestWillBeSent', (params) => {8    console.log(params.request.url);9  });10  await browser.close();11})();Using AI Code Generation
1const { injectHook } = require('playwright/lib/protocol/protocol');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  injectHook(page, 'on', (eventName, eventHandler) => {8    console.log(eventName)9  });10  await page.screenshot({ path: 'example.png' });11  await browser.close();12})();Using AI Code Generation
1const { injectHook } = require('playwright/lib/server/injected/injectedScript');2const { Page } = require('playwright/lib/server/page');3const { BrowserContext } = require('playwright/lib/server/browserContext');4const { Browser } = require('playwright/lib/server/browser');5injectHook(Page, 'on', (delegate, ...args) => {6  console.log('Page.on', ...args);7  return delegate(...args);8});9injectHook(BrowserContext, 'on', (delegate, ...args) => {10  console.log('BrowserContext.on', ...args);11  return delegate(...args);12});13injectHook(Browser, 'on', (delegate, ...args) => {14  console.log('Browser.on', ...args);15  return delegate(...args);16});17const { chromium } = require('playwright');18(async () => {19  const browser = await chromium.launch();20  const context = await browser.newContext();21  const page = await context.newPage();22  await page.screenshot({ path: `example.png` });23  await browser.close();24})();Using AI Code Generation
1const { injectHook } = require('playwright/lib/utils/injectedScript');2const { contextBridge } = require('electron');3contextBridge.exposeInMainWorld('playwright', {4});5const { contextBridge } = require('electron');6contextBridge.exposeInMainWorld('electron', {7  ipcRenderer: require('electron').ipcRenderer8});9const { app, BrowserWindow } = require('electron');10const path = require('path');11function createWindow() {12  const win = new BrowserWindow({13    webPreferences: {14      preload: path.join(__dirname, 'preload.js'),15    }16  });17  win.loadFile('index.html');18}19app.whenReady().then(() => {20  createWindow();21});22const { app, BrowserWindow, ipcMain } = require('electron');23const path = require('path');24const playwright = require('playwright');25app.whenReady().then(() => {26  ipcMain.on('start', async (event, arg) => {27    const browser = await playwright.chromium.launch({28    });29    const context = await browser.newContext();30    const page = await context.newPage();31    await page.click('text=I agree');32    await page.click('text=Sign in');33    await page.fill('input[name="identifier"]', 'username');34    await page.click('text=Next');35    await page.fill('input[name="password"]', 'password');36    await page.click('text=Next');37    await page.waitForLoadState('networkidle');38    await page.close();39    await browser.close();40  });41});Using AI Code Generation
1const { injectHook } = require('playwright-core/lib/server/injected/injectedScript');2const test = require('@playwright/test');3const { chromium } = require('playwright-core');4test.beforeAll(async ({browser}) => {5    const page = await browser.newPage();6    await injectHook(page, 'on', 'request', (request) => {7        console.log('request', request.url());8    });9});10test('test', async ({ page }) => {11});12test.beforeAll(async ({page}) => {13    await page.evaluate((injectHook) => {14        injectHook('on', 'request', (request) => {15            console.log('request', request.url());16        });17    }, injectHook);18});19test.beforeAll(async ({page}) => {20    await page.evaluate((injectHook) => {21        injectHook('on', 'request', (request) => {22            console.log('request', request.url());23        });24    }, injectHook);25});Using AI Code Generation
1import { injectHook } from 'playwright/lib/server/chromium/crBrowser';2import { chromium } from 'playwright';3const browser = await chromium.launch();4await injectHook(browser, 'console.log("Hello World")');5await browser.close();6import { injectHook } from 'playwright/lib/server/chromium/crBrowser';7import { chromium } from 'playwright';8const browser = await chromium.launch();9await injectHook(browser, 'console.log("Hello World")');10await browser.close();11import { injectHook } from 'playwright/lib/server/chromium/crBrowser';12import { chromium } from 'playwright';13const browser = await chromium.launch();14await injectHook(browser, `15const logNetworkEvents = (event) => {16  console.log(event);17}18browserContext.on('request', logNetworkEvents);19browserContext.on('requestfailed', logNetworkUsing AI Code Generation
1const { injectHook } = require('playwright/lib/server/injected/injectedScript');2const { Page } = require('playwright/lib/server/page');3const page = await browser.newPage();4const frame = await page.mainFrame();5const frameId = frame._id;6const hook = (frameId, source) => {7  const { window } = window['playwright-injected-script'];8  const { Page } = window['playwright-injected-script'];9  const page = Page._pageForFrame(frameId);10  const { document } = page._delegate._document;11  const script = document.createElement('script');12  script.textContent = source;13  document.documentElement.appendChild(script);14};15await injectHook(frameId, hook.toString());16await injectHook(frameId, 'console.log("hello world")');17const { injectHook } = require('playwright/lib/server/injected/injectedScript');18const { Page } = require('playwright/lib/server/page');19const hook = (frameId, source) => {20  const { window } = window['playwright-injected-script'];21  const { Page } = window['playwright-injected-script'];22  const page = Page._pageForFrame(frameId);23  const { document } = page._delegate._document;24  const script = document.createElement('script');25  script.textContent = source;26  document.documentElement.appendChild(script);27};28module.exports = {29  use: {30    playwright: {31      launchOptions: {32      },33      contextOptions: {34      },Using AI Code Generation
1const { injectHook } = require('playwright-core/lib/server/injected/injectedScript');2injectHook((e) => {3  console.log('Event: ', e);4});5const { chromium } = require('playwright');6(async () => {7  const browser = await chromium.launch();8  const page = await browser.newPage();9  console.log(await page.content());10  await browser.close();11})();12const { chromium } = require('playwright');13(async () => {14  const browser = await chromium.launch();15  const page = await browser.newPage();16  await page.evaluate(() => console.log('Hello world'));17  await page.on('console', (msg) => {18    console.log(msg.text());19  });20  await browser.close();21})();22const { chromium } = require('playwright');23(async () => {24  const browser = await chromium.launch();25  const page = await browser.newPage();26  await page.on('request', (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.
Get 100 minutes of automation test minutes FREE!!
