Unlock 30% off on Manual Testing Annual Plans this Holiday Season. 
Use Code: LCMYEARENDEXCL30
Use Code: LCMYEARENDEXCL30Check icon
Copied to Clipboard!
How to use createChainedFunction method in Playwright Internal
Best JavaScript code snippet using playwright-internal
OverlayTrigger.js
Source:OverlayTrigger.js 
...93 super(props, context);94 this.handleToggle = this.handleToggle.bind(this);95 this.handleDelayedShow = this.handleDelayedShow.bind(this);96 this.handleDelayedHide = this.handleDelayedHide.bind(this);97 this.handleHide = createChainedFunction(98 this.handleHide.bind(this),99 props.handleHide100 );101 this.handleMouseOver = e =>102 this.handleMouseOverOut(this.handleDelayedShow, e, 'fromElement');103 this.handleMouseOut = e =>104 this.handleMouseOverOut(this.handleDelayedHide, e, 'toElement');105 this._mountNode = null;106 this.state = {107 show: props.defaultOverlayShown,108 };109 }110 componentDidMount() {111 this._mountNode = document.createElement('div');112 this.renderOverlay();113 }114 componentDidUpdate() {115 this.renderOverlay();116 }117 componentWillUnmount() {118 ReactDOM.unmountComponentAtNode(this._mountNode);119 this._mountNode = null;120 clearTimeout(this._hoverShowDelay);121 clearTimeout(this._hoverHideDelay);122 }123 handleDelayedHide() {124 if (this._hoverShowDelay != null) {125 clearTimeout(this._hoverShowDelay);126 this._hoverShowDelay = null;127 return;128 }129 if (!this.state.show || this._hoverHideDelay != null) {130 return;131 }132 const delay =133 this.props.delayHide != null ? this.props.delayHide : this.props.delay;134 if (!delay) {135 this.hide();136 return;137 }138 this._hoverHideDelay = setTimeout(() => {139 this._hoverHideDelay = null;140 this.hide();141 }, delay);142 }143 handleDelayedShow() {144 if (this._hoverHideDelay != null) {145 clearTimeout(this._hoverHideDelay);146 this._hoverHideDelay = null;147 return;148 }149 if (this.state.show || this._hoverShowDelay != null) {150 return;151 }152 const delay =153 this.props.delayShow != null ? this.props.delayShow : this.props.delay;154 if (!delay) {155 this.show();156 return;157 }158 this._hoverShowDelay = setTimeout(() => {159 this._hoverShowDelay = null;160 this.show();161 }, delay);162 }163 handleHide() {164 this.hide();165 }166 // Simple implementation of mouseEnter and mouseLeave.167 // React's built version is broken: https://github.com/facebook/react/issues/4251168 // for cases when the trigger is disabled and mouseOut/Over can cause flicker169 // moving from one child element to another.170 handleMouseOverOut(handler, e, relatedNative) {171 const target = e.currentTarget;172 const related = e.relatedTarget || e.nativeEvent[relatedNative];173 if ((!related || related !== target) && !contains(target, related)) {174 handler(e);175 }176 }177 handleToggle() {178 if (this.state.show) {179 this.hide();180 } else {181 this.show();182 }183 }184 hide() {185 this.setState({ show: false });186 }187 makeOverlay(overlay, props) {188 return (189 <Overlay190 {...props}191 show={this.state.show}192 onHide={this.handleHide}193 target={this}194 >195 {overlay}196 </Overlay>197 );198 }199 show() {200 this.setState({ show: true });201 }202 renderOverlay() {203 ReactDOM.unstable_renderSubtreeIntoContainer(204 this,205 this._overlay,206 this._mountNode207 );208 }209 render() {210 const {211 trigger,212 overlay,213 children,214 onBlur,215 onClick,216 onFocus,217 onMouseOut,218 onMouseOver,219 ...props220 } = this.props;221 delete props.delay;222 delete props.delayShow;223 delete props.delayHide;224 delete props.defaultOverlayShown;225 const child = React.Children.only(children);226 const childProps = child.props;227 const triggerProps = {};228 if (this.state.show) {229 triggerProps['aria-describedby'] = overlay.props.id;230 }231 // FIXME: The logic here for passing through handlers on this component is232 // inconsistent. We shouldn't be passing any of these props through.233 triggerProps.onClick = createChainedFunction(childProps.onClick, onClick);234 if (isOneOf('click', trigger)) {235 triggerProps.onClick = createChainedFunction(236 triggerProps.onClick,237 this.handleToggle238 );239 }240 if (isOneOf('hover', trigger)) {241 warning(242 !(trigger === 'hover'),243 '[react-bootstrap] Specifying only the `"hover"` trigger limits the ' +244 'visibility of the overlay to just mouse users. Consider also ' +245 'including the `"focus"` trigger so that touch and keyboard only ' +246 'users can see the overlay as well.'247 );248 triggerProps.onMouseOver = createChainedFunction(249 childProps.onMouseOver,250 onMouseOver,251 this.handleMouseOver252 );253 triggerProps.onMouseOut = createChainedFunction(254 childProps.onMouseOut,255 onMouseOut,256 this.handleMouseOut257 );258 }259 if (isOneOf('focus', trigger)) {260 triggerProps.onFocus = createChainedFunction(261 childProps.onFocus,262 onFocus,263 this.handleDelayedShow264 );265 triggerProps.onBlur = createChainedFunction(266 childProps.onBlur,267 onBlur,268 this.handleDelayedHide269 );270 }271 this._overlay = this.makeOverlay(overlay, props);272 return cloneElement(child, triggerProps);273 }274}275OverlayTrigger.propTypes = propTypes;276OverlayTrigger.defaultProps = defaultProps;...
ModalTrigger.js
Source:ModalTrigger.js
...92 marginLeft: this.state.modalMarginLeft,93 modalWidth: this.state.modalWidth,94 modalHeight: this.state.modalHeight,95 title: this.props.modal.props.title || this.props.title,96 onConfirm: createChainedFunction(this.props.onConfirm, this.close),97 onCancel: createChainedFunction(this.props.onCancel, this.close)98 }99 );100 },101 render: function() {102 // if "show" is defined, use "show" to control the modal103 if (typeof this.props.show !== 'undefined') {104 return <div> {this.props.children} </div>;105 }106 var child = React.Children.only(this.props.children);107 var props = {};108 props.onClick = createChainedFunction(child.props.onClick, this.toggle);109 props.onMouseOver = createChainedFunction(child.props.onMouseOver,110 this.props.onMouseOver);111 props.onMouseOut = createChainedFunction(child.props.onMouseOut,112 this.props.onMouseOut);113 props.onFocus = createChainedFunction(child.props.onFocus,114 this.props.onFocus);115 props.onBlur = createChainedFunction(child.props.onBlur,116 this.props.onBlur);117 return cloneElement(child, props);118 }119});...
createChainedFunctionSpec.js
Source:createChainedFunctionSpec.js
1/* eslint no-new-func: 0 */2import createChainedFunction from '../src/createChainedFunction';3describe('createChainedFunction', () => {4 it('returns null with no arguments', () => {5 expect(createChainedFunction()).to.equal(null);6 });7 it('returns original function when single function is provided', () => {8 const func1 = sinon.stub();9 createChainedFunction(func1).should.equal(func1);10 });11 it('wraps two functions with another that invokes both when called', () => {12 const func1 = sinon.stub();13 const func2 = sinon.stub();14 const chained = createChainedFunction(func1, func2);15 chained.should.not.equal(func1).and.should.not.equal(func2);16 func1.should.not.have.been.called;17 func2.should.not.have.been.called;18 chained();19 func1.should.have.been.calledOnce;20 func2.should.have.been.calledOnce;21 });22 it('wraps multiple functions and invokes them in the order provided', () => {23 const results = [];24 const func1 = () => results.push(1);25 const func2 = () => results.push(2);26 const func3 = () => results.push(3);27 const chained = createChainedFunction(func1, func2, func3);28 chained();29 results.should.eql([1, 2, 3]);30 });31 it('forwards arguments to all chained functions', () => {32 const in1 = 'herpa derpa';33 const in2 = {34 herpa: 'derpa',35 };36 const func = (arg1, arg2) => {37 arg1.should.equal(in1);38 arg2.should.equal(in2);39 };40 const chained = createChainedFunction(func, func, func);41 chained(in1, in2);42 });43 it('throws when func is not provided', () => {44 expect(() => {45 createChainedFunction({ herpa: 'derpa' });46 }).to.throw(/Invalid Argument Type/);47 });48 it('works with new Function call', () => {49 const results = [];50 const func1 = new Function('results', 'results.push(1);');51 const func2 = new Function('results', 'results.push(2);');52 const chained = createChainedFunction(func1, func2);53 chained(results);54 results.should.eql([1, 2]);55 });...
ChainedComponentMixin.js
Source:ChainedComponentMixin.js
1var React = require('react');2var ChainedComponentMixin = {3 renderChild: function() {4 function createChainedFunction() {5 var args = arguments;6 return function chainedFunction() {7 for (var i = 0; i < args.length; i++) {8 if (args[i] && args[i].apply) {9 args[i].apply(this, arguments);10 }11 }12 };13 }14 var child = React.Children.only(this.props.children);15 var props = {};16 props.onClick = createChainedFunction(child.props.onClick, this.props.onClick);17 props.onMouseOver = createChainedFunction(child.props.onMouseOver, this.props.onMouseOver);18 props.onMouseOut = createChainedFunction(child.props.onMouseOut, this.props.onMouseOut);19 props.onFocus = createChainedFunction(child.props.onFocus, this.props.onFocus);20 props.onBlur = createChainedFunction(child.props.onBlur, this.props.onBlur);21 return React.cloneElement(child, props);22 }23};...
create-chained-function.test.js
Source:create-chained-function.test.js
...5 testOneFun();6 testMoreFun();7}8function testNull() {9 assert(createChainedFunction() === null);10 assert(createChainedFunction(null) === null);11}12function testOneFun() {13 const fn1 = (a, b) => a + b;14 const fn = createChainedFunction(fn1);15 assert.equal(fn, fn1);16}17function testMoreFun() {18 let sum = 0;19 const fn1 = (a, b) => sum += a + b;20 const fn2 = (a, b) => sum += a * b;21 const fn = createChainedFunction(fn1, 1, '2', /./, null, undefined, [], fn2);22 assert.equal(sum, 0);23 fn(2, 5);24 assert.equal(sum, 17);...
createChainedFunction.js
Source:createChainedFunction.js
1function createChainedFunction(...funcs) {2 return funcs.filter(f => f != null).reduce((acc, f) => {3 if (acc === null) return f;4 return function chainedFunction(...args) {5 acc.apply(this, args);6 f.apply(this, args);7 };8 }, null);9}10export { createChainedFunction };...
Using AI Code Generation
1const { createChainedFunction } = require('playwright/lib/utils/utils');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 const a = () => console.log("a");8 const b = () => console.log("b");9 const c = createChainedFunction(a, b);10 c();11 await browser.close();12})();
Using AI Code Generation
1const { createChainedFunction } = require('playwright/lib/utils/utils');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 const [response] = await Promise.all([8 page.waitForEvent('response'),9 ]);10 console.log(response.status());11 await browser.close();12})();
Using AI Code Generation
1const { createChainedFunction } = require('@playwright/test/lib/utils/utils');2const a = () => console.log('a');3const b = () => console.log('b');4const c = createChainedFunction(a, b);5c();6const { createGuid } = require('@playwright/test/lib/utils/utils');7console.log(createGuid());8const { isString } = require('@playwright/test/lib/utils/utils');9console.log(isString('test'));10console.log(isString(1));11const { isRegExp } = require('@playwright/test/lib/utils/utils');12console.log(isRegExp('test'));13console.log(isRegExp(/test/));14const { isObject } = require('@playwright/test/lib/utils/utils');15console.log(isObject('test'));16console.log(isObject({}));17const { isNumber } = require('@playwright/test/lib/utils/utils');18console.log(isNumber('test'));19console.log(isNumber(1));
Using AI Code Generation
1const { createChainedFunction } = require('playwright/lib/helper');2const func1 = () => {3 console.log('func1 called');4};5const func2 = () => {6 console.log('func2 called');7};8const func3 = () => {9 console.log('func3 called');10};11const chainedFunction = createChainedFunction(func1, func2, func3);12chainedFunction();
Using AI Code Generation
1const { createChainedFunction } = require('playwright/lib/utils/utils');2const { chromium } = require('playwright');3const { expect } = require('chai');4(async () => {5 const browser = await chromium.launch();6 const context = await browser.newContext();7 const page = await context.newPage();8 await page.evaluate(async () => {9 const button = document.querySelector('button');10 const clickHandler = () => console.log('click');11 button.addEventListener('click', clickHandler);12 });13 await page.evaluate(async () => {14 const button = document.querySelector('button');15 const clickHandler = () => console.log('click');16 button.removeEventListener('click', clickHandler);17 });18 await browser.close();19})();20const { createChainedFunction } = require('playwright/lib/utils/utils');21const { chromium } = require('playwright');22const { expect } = require('chai');23(async () => {24 const browser = await chromium.launch();25 const context = await browser.newContext();26 const page = await context.newPage();27 await page.evaluate(async () => {28 const button = document.querySelector('button');29 const clickHandler = () => console.log('click');30 button.addEventListener('click', clickHandler);31 });32 await page.evaluate(async () => {33 const button = document.querySelector('button');34 const clickHandler = () => console.log('click');35 button.removeEventListener('click', createChainedFunction(clickHandler));36 });
Using AI Code Generation
1const { createChainedFunction } = require('playwright/lib/helper');2const { test, expect } = require('@playwright/test');3test('createChainedFunction test', async ({ page }) => {4 const handle = await page.$('text=Get started');5 const href = await handle.getAttribute('href');6 const click = await handle.getAttribute('onclick');7 const chained = createChainedFunction(click, href);8 await page.evaluate(chained);9 await page.waitForSelector('text=Hello world!');10 const text = await page.innerText('text=Hello world!');11 expect(text).toBe('Hello world!');12});
Using AI Code Generation
1const { createChainedFunction } = require('playwright/lib/helper');2const { firefox } = require('playwright');3(async () => {4 const browser = await firefox.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 await page.waitForSelector('input[name="q"]');8 await page.click('input[name="q"]');9 await page.fill('input[name="q"]', 'Playwright');10 await page.keyboard.press('Enter');11 await page.waitForSelector('text=Playwright - Google Search');12 await page.click('text=Playwright - Google Search');13 await page.waitForSelector('text=Playwright is a Node.js library to automate');14 await page.click('text=Playwright is a Node.js library to automate');15 await page.waitForSelector('text=Playwright is a Node.js library to automate');16 await page.click('text=Playwright is a Node.js library to automate');17 await page.waitForSelector('text=Playwright is a Node.js library to automate');18 await page.click('text=Playwright is a Node.js library to automate');19 await page.waitForSelector('text=Playwright is a Node.js library to automate');20 await page.click('text=Playwright is a Node.js library to automate');21 await page.waitForSelector('text=Playwright is a Node.js library to automate');22 await page.click('text=Playwright is a Node.js library to automate');23 await page.waitForSelector('text=Playwright is a Node.js library to automate');24 await page.click('text=Playwright is a Node.js library to automate');25 await page.waitForSelector('text=Playwright is a Node.js library to automate');26 await page.click('text=Playwright is a Node.js library to automate');27 await page.waitForSelector('text=Playwright is a Node.js library to automate');28 await page.click('text=Playwright is a Node.js library to automate');29 await page.waitForSelector('text=Playwright is a Node.js library to automate');30 await page.click('text=Playwright is a Node.js library to automate');31 await page.waitForSelector('text=Playwright is a Node.js library to automate');32 await page.click('text=Playwright is a Node
Using AI Code Generation
1const { createChainedFunction } = require('@playwright/test/lib/utils/utils');2const click = createChainedFunction('click', () => {3 console.log('click method');4});5const hover = createChainedFunction('hover', () => {6 console.log('hover method');7});8const { createChainedFunction } = require('@playwright/test/lib/utils/utils');9const click = createChainedFunction('click', () => {10 console.log('click method');11});12const hover = createChainedFunction('hover', () => {13 console.log('hover method');14});15const { createChainedFunction } = require('@playwright/test/lib/utils/utils');16const click = createChainedFunction('click', () => {17 console.log('click method');18});19const hover = createChainedFunction('hover', () => {20 console.log('hover method');21});22const { createChainedFunction } = require('@playwright/test/lib/utils/utils');23const click = createChainedFunction('click', () => {24 console.log('click method');25});26const hover = createChainedFunction('hover', () => {27 console.log('hover method');28});29const { createChainedFunction } = require('@playwright/test/lib/utils/utils');30const click = createChainedFunction('click', () => {31 console.log('click method');32});33const hover = createChainedFunction('hover', () => {34 console.log('hover method');35});36const { createChainedFunction } = require('@playwright/test/lib/utils/utils');37const click = createChainedFunction('click', () => {38 console.log('click method');39});40const hover = createChainedFunction('hover', () => {41 console.log('hover method');42});43const { createChainedFunction } = require('@playwright/test/lib/utils/utils');44const click = createChainedFunction('click', () => {45 console.log('click method');46});47const hover = createChainedFunction('hover', () => {
Playwright tutorial
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.
Chapters:
- What is Playwright : Playwright is comparatively new but has gained good popularity. Get to know some history of the Playwright with some interesting facts connected with it.
- How To Install Playwright : Learn in detail about what basic configuration and dependencies are required for installing Playwright and run a test. Get a step-by-step direction for installing the Playwright automation framework.
- Playwright Futuristic Features: Launched in 2020, Playwright gained huge popularity quickly because of some obliging features such as Playwright Test Generator and Inspector, Playwright Reporter, Playwright auto-waiting mechanism and etc. Read up on those features to master Playwright testing.
- What is Component Testing: Component testing in Playwright is a unique feature that allows a tester to test a single component of a web application without integrating them with other elements. Learn how to perform Component testing on the Playwright automation framework.
- 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.
- Handling Alerts and Dropdowns in Playwright : Playwright interact with different types of alerts and pop-ups, such as simple, confirmation, and prompt, and different types of dropdowns, such as single selector and multi-selector get your hands-on with handling alerts and dropdown in Playright testing.
- Playwright vs Puppeteer: Get to know about the difference between two testing frameworks and how they are different than one another, which browsers they support, and what features they provide.
- Run Playwright Tests on LambdaTest: Playwright testing with LambdaTest leverages test performance to the utmost. You can run multiple Playwright tests in Parallel with the LammbdaTest test cloud. Get a step-by-step guide to run your Playwright test on the LambdaTest platform.
- Playwright Python Tutorial: Playwright automation framework support all major languages such as Python, JavaScript, TypeScript, .NET and etc. However, there are various advantages to Python end-to-end testing with Playwright because of its versatile utility. Get the hang of Playwright python testing with this chapter.
- Playwright End To End Testing Tutorial: Get your hands on with Playwright end-to-end testing and learn to use some exciting features such as TraceViewer, Debugging, Networking, Component testing, Visual testing, and many more.
- Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.
Run Playwright Internal automation tests on LambdaTest cloud grid
Perform automation testing on 3000+ real desktop and mobile devices online.
Try LambdaTest Now !!
Get 100 minutes of automation test minutes FREE!!
Was this article helpful?
