How to use defineComputed method in Playwright Internal

Best JavaScript code snippet using playwright-internal

defineProperty.js

Source:defineProperty.js

...44        this.obj = obj45        this.key = key46        this.cb = cb47        this.onComputedUpdate = onComputedUpdate48        return this.defineComputed()49    }50    defineComputed(){51        const self = this52        const onDepUpate = () =>{53            const val = self.cb()54            this.onComputedUpdate(val)55        }56        Object.defineProperty(self.obj,self.key,{57            get(){58                Dep.target = onDepUpate59                const val = self.cb()60                Dep.target = null61                return val62            },63            set(){64                console.error('è®¡ç®å±æ§æ æ³èµå¼ï¼')...

vueHelper.js

Source:vueHelper.js

1let sharedPropertyDefinition = {2  enumerable: true,3  configurable: true,4  get () {5  },6  set () {7  },8};9function proxy (target, sourceKey, key) {10  sharedPropertyDefinition.get = function proxyGetter () {11    return this[sourceKey][key];12  };13  sharedPropertyDefinition.set = function proxySetter (val) {14    this[sourceKey][key] = val;15  };16  Object.defineProperty(target, key, sharedPropertyDefinition);17}18function defineComputed (19  target,20  key,21  userDef,22) {23  if (typeof userDef === 'function') {24    sharedPropertyDefinition.get = createComputedGetter(key);25    sharedPropertyDefinition.set = noop;26  } else {27    sharedPropertyDefinition.get = userDef.get28      ? userDef.cache !== false29        ? createComputedGetter(key)30        : createGetterInvoker(userDef.get)31      : noop;32    sharedPropertyDefinition.set = userDef.set || noop;33  }34  Object.defineProperty(target, key, sharedPropertyDefinition);35}36function createComputedGetter (key) {37  return function computedGetter () {38    var watcher = this._computedWatchers && this._computedWatchers[key];39    if (watcher) {40      if (watcher.dirty) {41        watcher.evaluate();42      }43      if (watcher.deps[0] && watcher.deps[0].constructor.target) {44        watcher.depend();45      }46      return watcher.value;47    }48  };49}50function createGetterInvoker (fn) {51  return function computedGetter () {52    return fn.call(this, this);53  };54}55function noop () {56}...

computed.js

Source:computed.js

...12      const val = computed[key];13      if (typeof val === 'function') { // get14        let wathers = vm._computedWathers = Object.create(null);15        wathers[key] = new Watcher(vm, val, ()=>{}, { lazy: true });16        this.defineComputed(vm, key, val);17      }18    })19  }20  defineComputed (vm, key, val) {21    Object.defineProperty(vm, key, {22      get () {23        return () => {24          let watcher = this._computedWathers && this._computedWathers[key];25          if (watcher) {26            if (watcher.dirty) {27              watcher.evaluate();28            }29            if (Dep.target) {30              watcher.depend();...

2.computed.js

Source:2.computed.js

...8      getter || noop, // ä¸ä¸ªæ±å¼å½æ°, ç»æä¸ºsumçå¼9      noop, // åè°å½æ°, noop è¡¨ç¤ºæ æä½10      { lazy: true } // æ è®°æ¤ Watcher ä¸º ComputedWatcher11    )12    defineComputed(vm, key, userDef)13  }14}15// 2. Watcher ç±»(ä¼ªä»£ç )16class Watcher {17  constructor (vm, expOrFn, cb, options) {18    this.vm = vm19    this.getter = expOrFn20    this.cb = cb21    this.lazy = !!options.lazy22    this.dirty = !!options.lazy23    this.deps = []24    this.value = undefined25  }26}...

initComputed.js

Source:initComputed.js

...9        lazy: true,10      },11      vm12    );13    defineComputed(vm, key);14  }15}16function defineComputed(vm, key) {17  const descriptor = {18    get: function () {19      const watcher = vm._watcher[key];20      if (watcher.dirty) {21        watcher.evaluate();22      }23      return watcher.value;24    },25    set: function () {26      console.error("dont set");27    },28  };29  Object.defineProperty(vm, key, descriptor);30}

state.js

Source:state.js

...12      noop,13      computedWatcherOptions14    )15    if(!(key in vm)) {16      defineComputed(vm, key, userDef);17    }18  }19}20function defineComputed(target, key, userDef) {21  ...

index.js

Source:index.js

1const defineReactive = require('./src/defineReactive')2const defineComputed = require('./src/defineComputed')3const Observer = require('./src/observer')4const Watcher = require('./src/watcher')5exports.defineReactive = defineReactive6exports.observe = Observer.observe7exports.defineComputed = defineComputed8exports.watch = function(fn, cb, options) {9    const watcher = new Watcher(fn, cb, options)10    return () => watcher.tearDown()...

ComputedMap.js

Source:ComputedMap.js

...5} = require('./credential');6class ClarionComputedMap extends ComputedMap {7    constructor() {8        super();9        this.defineComputed(/^USERNAME$/, getUsername);10        this.defineComputed(/^PASSWORD$/, getPassword);11    }12}...

Using AI Code Generation

1const { defineComputed } = require('playwright/lib/internal/frames');2const { test } = require('@playwright/test');3test('defineComputed', async ({ page }) => {4  await defineComputed(page.mainFrame(), 'test', () => 'my value');5  const result = await page.evaluate(() => test);6  console.log(result);7});8Please read [CONTRIBUTING.md](

Using AI Code Generation

1const { defineComputed } = require('playwright-core/lib/server/chromium/crPage');2defineComputed(page, 'myComputedProperty', () => {3    return 'myComputedProperty';4});5const { defineComputed } = require('playwright-core/lib/server/chromium/crPage');6defineComputed(page, 'myComputedProperty', () => {7    return 'myComputedProperty';8});9const { defineComputed } = require('playwright-core/lib/server/chromium/crPage');10defineComputed(page, 'myComputedProperty', () => {11    return 'myComputedProperty';12});13const { defineComputed } = require('playwright-core/lib/server/chromium/crPage');14defineComputed(page, 'myComputedProperty', () => {15    return 'myComputedProperty';16});17(async () => {18    const myComputedProperty = await page.evaluate(() => {19        return window.myComputedProperty;20    });21    console.log('myComputedProperty', myComputedProperty);22})();23const { defineComputed } = require('playwright-core/lib/server/chromium/crPage');24defineComputed(page, 'myComputedProperty', async () => {25    return 'myComputedProperty';26});27(async () => {28    const myComputedProperty = await page.evaluate(() => {29        return window.myComputedProperty;30    });31    console.log('myComputedProperty', myComputedProperty);32})();33const { defineComputed } = require('playwright-core/lib/server/chromium/crPage');34defineComputed(page, 'myComputedProperty', async (param) => {35    return `myComputedProperty - ${param}`;36});37(async () => {38    const myComputedProperty = await page.evaluate((param) => {39        return window.myComputedProperty(param);40    }, 'param1');41    console.log('myComputedProperty', myComputedProperty);42})();

Using AI Code Generation

1const { InternalAPI } = require('@playwright/test');2InternalAPI.defineComputed('foo', async ({ page }, arg) => {3  return await page.evaluate(() => window.foo);4});5test('test', async ({ page, foo }) => {6  page.setContent('<div>hello</div>');7  expect(await foo('bar')).toBe('bar');8});9test('test', async ({ page, foo }) => {10  page.setContent('<div>hello</div>');11  expect(await foo('bar')).toBe('bar');12});

Using AI Code Generation

1const { defineComputed } = require('playwright/lib/client/selectorEngine');2defineComputed('computed', (element, selector) => {3  return element.evaluate(selector => {4  }, selector);5});6const selector = page.locator('css=selector').computed('computed selector');7const element = await selector.elementHandle();8const selector = page.locator('css=selector').computed('computed selector');9const elements = await selector.elementHandles();10const selector = page.locator('css=selector').computed('computed selector');11const text = await selector.textContent();12const { defineCustom } = require('playwright/lib/client/selectorEngine');13defineCustom('custom', (selector, parent, target) => {14  return parent.evaluate(selector => {15  }, selector);16});17const selector = page.locator('css=selector').custom('custom selector');18const element = await selector.elementHandle();19const selector = page.locator('css=selector').custom('custom selector');20const elements = await selector.elementHandles();21const selector = page.locator('css=selector').custom('custom selector');22const text = await selector.textContent();23[Apache 2.0](./LICENSE)

Using AI Code Generation

1const { defineComputed } = require('@playwright/test');2defineComputed('computedProperty', () => {3  return 'computedValue';4});5const { test } = require('@playwright/test');6test('test', async ({ page, computedProperty }) => {7});8const { test, expect } = require('@playwright/test');9test.use({10  page: async ({ browser }, use) => {11    const page = await browser.newPage();12    await use(page);13    await page.close();14  }15});16test('test', async ({ page }) => {17  expect(await page.title()).toBe('Playwright');18});19const { test, expect } = require('@playwright/test');20test.use({21  url: async ({}, use) => {22  }23});24test('test', async ({ url }) => {25  await page.goto(url);26  expect(await page.title()).toBe('Playwright');27});28const { test, expect } = require('@playwright/test');29test('test', async ({ url }) => {30  await page.goto(url);31  expect(await page.title()).toBe('Playwright

Using AI Code Generation

1const { defineComputed } = require('playwright/lib/internal/evaluators/JavaScript');2const computedProperty = defineComputed('computedProperty', () => 'computedValue');3const computedPropertyWithGetterAndSetter = defineComputed('computedPropertyWithGetterAndSetter', {4	get: () => 'computedValue',5	set: (value) => console.log(value),6});7const computedPropertyValue = computedProperty();8console.log(computedPropertyValue);9const computedPropertyWithGetterAndSetterValue = computedPropertyWithGetterAndSetter();10console.log(computedPropertyWithGetterAndSetterValue);11computedPropertyWithGetterAndSetter('newValue');

Using AI Code Generation

1const { defineComputed } = require('playwright/lib/server/domElementState');2defineComputed('myComputedProperty', async (element, page) => {3  return 'myComputedPropertyValue';4});5const myComputedPropertyValue = await page.$eval('mySelector', el => el.myComputedProperty);6const myComputedPropertyValue = await frame.$eval('mySelector', el => el.myComputedProperty);7const { addAction } = require('playwright/lib/server/domElementState');8addAction('myAction', async (element, page) => {9});10await page.$eval('mySelector', el => el.myAction());11await frame.$eval('mySelector', el => el.myAction());12const { addEvent } = require('playwright/lib/server/domElementState');13addEvent('myEvent', async (element, page) => {

Using AI Code Generation

1const { defineComputed } = require('playwright-internal');2class MyPage {3    defineComputed('myComputedProperty', async () => {4        return await this.$('.my-selector');5    });6}7const { test } = require('@playwright/test');8test('my test', async ({ page }) => {9    const myPage = new MyPage(page);10    const myElement = await myPage.myComputedProperty;11});12const { defineComputed } = require('playwright-internal');13class MyPage {14    defineComputed('myComputedProperty', async () => {15        return await this.$('.my-selector');16    });17}18const { test } = require('@playwright/test');19test('my test', async ({ page }) => {20    const myPage = new MyPage(page);21    const myElement = await myPage.myComputedProperty;22});23const { defineComputed } = require('playwright-internal');24class MyPage {25    defineComputed('myComputedProperty', async () => {26        return await this.$('.my-selector');27    });28}

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