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How to use flattenChildren method in Playwright Internal

Best JavaScript code snippet using playwright-internal

StrucLens.js

Source:StrucLens.js

...19export const flattenChildren = (item) =>{20  const flattened = item.reduce((acc, x) => {21    acc.push(x)22    if (x.children) {23      acc = acc.concat(flattenChildren(x.children))24    }25    return acc26  }, [])27  // console.log('----flattened=',flattened)28  return flattened29}30//-----------|||||||||||||||||||---------------------------------------------31export const hasFlavorDescendent = (flav, item) => hasFlavor(flav, flattenChildren([item]))32//-----------|||||||||||||||||||---------------------------------------------33export const hasAncestorByKeyRegx = (item, key, valRegx) => {34  let hasIt = false35  let curr = item.parent()36  while (curr && !(hasIt = (curr[key].match(valRegx))) ) {curr = curr.parent()}37  return hasIt38}39//-----------||||||||||||||||||//---------------------------------------------40export const findStrucByKeyRegx = (item, key, valRegx) => {41  if (typeof valRegx == 'string') valRegx = new RegExp(valRegx)42  const st = flattenChildren(item).filter(x=>(x[key].match(valRegx)))43  return (st && st.length > 0 && st[0]) || []44}45//-----------||||||||||||||||||//---------------------------------------------46export const findStrucsByParentKeyRegx = (item, key, valRegx) => {47  if (typeof valRegx == 'string') valRegx = new RegExp(valRegx)48  const sts = flattenChildren(item).filter(x=>(x?.parent?.()?.[key]?.match(valRegx)))49  return sts || []50}51//-----------||||||||||||||||||//---------------------------------------------52export const findStrucByName = (name, item) => {53  return findStrucByKeyRegx(item,'name',name)54  // const st = flattenChildren(item).filter(x=>(x.name===name))55  // return (st && st.length > 0 && st[0]) || []56}57//-----------|||||||||||||||||---------------------------------------------58export const findStrucByHandle = (handle, item, key) => {59  return findStrucByKeyRegx(item,'handle',handle)60  // const st = flattenChildren(item).filter(x=>(x.handle===handle))61  // return (st && st.length > 0 && st[0]) || []62}63//-----------|||||||||---------------------------------------------64export const StrucLens = ({ list, item, ...bind }) => {65  if (list) return <RecursorList {...{ list, ...bind }} />66  return           <Recursor     {...{ item, ...bind }} />67}68//-----------||||||||||||||||||||---------------------------------------------69export const StrucLensByKeyToComp = (key,valRegx,Comp) => ({...bind}) => {70  if (typeof valRegx == 'string') valRegx = new RegExp(valRegx)71  const compFinder = (item) => (72    (item[key].match(valRegx)) ? [Comp,null,null] : [null,null,null]73  )74  return <StrucLens {...{compFinder, ...bind}}/>...

6 FlattenChildren.js

Source:6 FlattenChildren.js

...80list3.add('cat').add('dog').add('horse')81list1.head.child = list2;82list.tail.child = list3;83// console.log(FlattenChildren(list1).toString());84console.log(list1.flattenChildren().toString());...

flattenChildren.test.js

Source:flattenChildren.test.js

1import { flattenChildren } from '../src/Luy/createElement';2describe('flattenChildren', () => {3    describe('give flattenChildren an array', () => {4        it('[1,2,3,4,5,67,8,8]', () => {5            const ary = flattenChildren([1, 2, 3, 4, 5, 67, 8, 8])6            expect(ary[0]).toEqual({ "key": null, "owner": null, "props": "123456788", "ref": null, "type": "#text" })7        });8        it('[1, 2, 3, { a: 4 }, 5, 67, 8, 8]', () => {9            const ary = flattenChildren([1, 2, 3, { a: 4 }, 5, 67, 8, 8])10            expect(ary).toEqual([{ "key": null, "owner": null, "props": "123", "ref": null, "type": "#text" }, { "a": 4 }, { "key": null, "owner": null, "props": "56788", "ref": null, "type": "#text" }])11        });12        it('1asc', () => {13            const ary = flattenChildren('1asc')14            expect(ary).toEqual({ "key": null, "owner": null, "props": "1asc", "ref": null, "type": "#text" }, { "a": 4 })15        });16        it('[{a:123},2,3]', () => {17            const ary = flattenChildren([{a:123},2,3])18            expect(ary).toEqual([{"a": 123}, {"key": null, "owner": null, "props": "23", "ref": null, "type": "#text"}])19        });20        it('[[1,2,3],"sss"]', () => {21            const ary = flattenChildren([[1,2,3],"sss"])22            expect(ary).toEqual([1,2,3, {"key": null, "owner": null, "props": "sss", "ref": null, "type": "#text"}])23        });24        it('[[1,2,3],"sss",[1,2,3]]', () => {25            const ary = flattenChildren([[1,2,3],"sss",[1,2,3]])26            expect(ary).toEqual([1,2,3, {"key": null, "owner": null, "props": "sss", "ref": null, "type": "#text"},1,2,3])27        });28        it('[[1,2,3],"sss","sss",[1,2,3]]', () => {29            const ary = flattenChildren([[1,2,3],"sss","sss",[1,2,3]])30            expect(ary).toEqual([1,2,3, {"key": null, "owner": null, "props": "ssssss", "ref": null, "type": "#text"},1,2,3])31        });32        it('[[1,2,3],"sss",[1,2,3],"sss"]', () => {33            const ary = flattenChildren([[1,2,3],"sss",[1,2,3],"sss",])34            expect(ary).toEqual([1,2,3, {"key": null, "owner": null, "props": "sss", "ref": null, "type": "#text"},1,2,3,{"key": null, "owner": null, "props": "sss", "ref": null, "type": "#text"}])35        });36    });...

ReactChildReconciler.js

Source:ReactChildReconciler.js

...5var instantiateReactComponent = require("./instantiateReactComponent");6var shouldUpdateReactComponent = require("./shouldUpdateReactComponent");7var ReactChildReconciler = {8  instantiateChildren: function(nestedChildNodes, transaction, context) {9    var children = flattenChildren(nestedChildNodes);10    for (var name in children) {11      if (children.hasOwnProperty(name)) {12        var child = children[name];13        var childInstance = instantiateReactComponent(child, null);14        children[name] = childInstance;15      }16    }17    return children;18  },19  updateChildren: function(prevChildren, nextNestedChildNodes, transaction, context) {20    var nextChildren = flattenChildren(nextNestedChildNodes);21    if (!nextChildren && !prevChildren) {22      return null;23    }24    var name;25    for (name in nextChildren) {26      if (!nextChildren.hasOwnProperty(name)) {27        continue;28      }29      var prevChild = prevChildren && prevChildren[name];30      var prevElement = prevChild && prevChild._currentElement;31      var nextElement = nextChildren[name];32      if (shouldUpdateReactComponent(prevElement, nextElement)) {33        ReactReconciler.receiveComponent(prevChild, nextElement, transaction, context);34        nextChildren[name] = prevChild;...

_internal_collection.js

Source:_internal_collection.js

...10(function (CollectionType) {11  CollectionType["Item"] = "Item";12  CollectionType["Section"] = "Section";13})(CollectionType || (CollectionType = {}));14function flattenChildren(children) {15  const childArray = [];16  React.Children.forEach(children, (child) => {17    if (React.isValidElement(child) && isFragment(child)) {18      childArray.push(...flattenChildren(child.props.children));19    } else {20      childArray.push(child);21    }22  });23  return childArray;24}25function renderElement(Element) {26  const key = Element.key;27  const type =28    typeof Element.type === "function"29      ? Element.type.__collectionType30      : Element.type;31  if (type === CollectionType.Section) {32    const childArray = [];33    const children = Element.props.children;34    if (exists(children)) {35      React.Children.forEach(flattenChildren(children), (child) => {36        if (React.isValidElement(child)) {37          const key = child.key;38          childArray.push(39            <Item key={key} textValue={`${key}`}>40              {React.cloneElement(child, child.props)}41            </Item>42          );43        }44      });45    }46    return (47      <Section title={React.cloneElement(Element, Element.props)}>48        {childArray}49      </Section>50    );51  }52  return (53    <Item key={key} textValue={`${key}`}>54      {React.cloneElement(Element, Element.props)}55    </Item>56  );57}58export function renderCollection(children) {59  if (!exists(children)) {60    return null;61  }62  const childArray = [];63  React.Children.forEach(flattenChildren(children), (child) => {64    if (React.isValidElement(child)) {65      childArray.push(renderElement(child));66    }67  });68  if (childArray.length === 1) {69    return childArray[0];70  }71  return childArray;...

Children.js

Source:Children.js

...9        if (typeNumber(childVnode) !== 7) {10            return [callback.call(context, childVnode, 0)]11        }12        var ret = []13        flattenChildren(childVnode).forEach((oldVnode, index) => {14            let newVnode = callback.call(context, oldVnode, index)15            if (newVnode === null) {16                return17            }18            ret.push(newVnode)19        })20        return ret21    },22    only(childVnode) {23        if (typeNumber(childVnode) !== 7) {24            return childVnode25        }26        throw new Error("React.Children.only expect only one child, which means you cannot use a list inside a component");27    },28    count(childVnode) {29        if (childVnode === null) {30            return 031        }32        if (typeNumber(childVnode) !== 7) {33            return 134        }35        return flattenChildren(childVnode).length36    },37    forEach(childVnode, callback, context) {38        let flatten = flattenChildren(childVnode)39        if (typeNumber(flatten) === 7) {40            flattenChildren(childVnode).forEach(callback, context);41        } else {42            callback.call(context, childVnode, 0)43        }44    },45    toArray: function (childVnode) {46        if (childVnode == null) {47            return [];48        }49        return Children.map(childVnode, function (el) {50            return el;51        });52    }...

flattenChildren.js

Source:flattenChildren.js

...6  function flattenSingleChildIntoContext(traverseContext, child, name) {7    var result = traverseContext;8    var keyUnique = !result.hasOwnProperty(name);9    if ("production" !== process.env.NODE_ENV) {10      ("production" !== process.env.NODE_ENV ? warning(keyUnique, 'flattenChildren(...): Encountered two children with the same key, ' + '`%s`. Child keys must be unique; when two children share a key, only ' + 'the first child will be used.', name) : null);11    }12    if (keyUnique && child != null) {13      result[name] = child;14    }15  }16  function flattenChildren(children) {17    if (children == null) {18      return children;19    }20    var result = {};21    traverseAllChildren(children, flattenSingleChildIntoContext, result);22    return result;23  }24  module.exports = flattenChildren;...

menuItems.spec.js

Source:menuItems.spec.js

...20  ),21)(items);22describe('menuItems', () => {23  it('icons are valid', () => {24    const flattenMenu = flattenChildren(menuItems);25    const iconItems = R.filter((item) => 'iconSrc' in item)(flattenMenu);26    iconItems.forEach(({ iconSrc }) => {27      expect(iconSrc).toBeTruthy();28    });29  });...

Using AI Code Generation

1const { chromium } = require('playwright');2const { flattenChildren } = require('playwright/lib/server/dom');3(async () => {4  const browser = await chromium.launch();5  const context = await browser.newContext();6  const page = await context.newPage();7  const userAgent = await page.evaluate(() => navigator.userAgent);8  console.log(userAgent);9  await browser.close();10})();

Using AI Code Generation

1const { chromium } = require('playwright');2(async () => {3    const browser = await chromium.launch();4    const page = await browser.newPage();5    const children = await page.$eval('body', e => e._internalApi().flattenChildren(e, 0));6    console.log(children);7    await browser.close();8})();

Using AI Code Generation

1const { flattenChildren } = require('@playwright/test/lib/test');2const { test } = require('@playwright/test');3test('test', async ({ page }) => {4  const links = await page.$$eval('text=Get started >> a', flattenChildren);5  console.log(links);6});7const { test } = require('@playwright/test');8test('test', async ({ page }) => {9  const links = await page.$$eval('text=Get started >> a', (nodes) => {10    return nodes.map((node) => node.innerText);11  });12  console.log(links);13});14const { flattenChildren } = require('@playwright/test/lib/test');15const { test } = require('@playwright/test');16test('test', async ({ page }) => {17  const links = await page.$$eval('text=Get started >> a', flattenChildren);18  console.log(links);19});20const { flattenChildren } = require('@playwright/test/lib/test');21const { test } = require('@playwright/test');22test('test', async ({ page }) => {23  const links = await page.$$eval('

Using AI Code Generation

1const { flattenChildren } = require('playwright/lib/server/dom.js');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  const elementHandle = await page.$('text=Docs');9  const children = flattenChildren(elementHandle);10  expect(children.length).to.equal(2);11  await browser.close();12})();13const { flattenChildren } = require('playwright/lib/server/dom.js');14const { chromium } = require('playwright');15const { expect } = require('chai');16(async () => {17  const browser = await chromium.launch();18  const context = await browser.newContext();19  const page = await context.newPage();20  const elementHandle = await page.$('text=Docs');21  const children = flattenChildren(elementHandle);22  expect(children[0].textContent).to.equal('Docs');23  await browser.close();24})();25const { flattenChildren } = require('playwright/lib/server/dom.js');26const { chromium } = require('playwright');27const { expect } = require('chai');28(async () => {29  const browser = await chromium.launch();30  const context = await browser.newContext();31  const page = await context.newPage();32  const elementHandle = await page.$('text=Docs');33  const children = flattenChildren(elementHandle);34  expect(children[0].tagName).to.equal('A');35  await browser.close();

Using AI Code Generation

1const { flattenChildren } = require('playwright/lib/server/supplements/recorder/recorderSupplement.js');2const { test, expect } = require('@playwright/test');3test('Test', async ({ page }) => {4  const selector = 'text=Get Started';5  const elements = await page.$$(selector);6  const flattened = flattenChildren(elements);7  console.log(flattened);8  expect(flattened.length).toBe(1);9  expect(flattened[0]).toBe(elements[0]);10});

Using AI Code Generation

1const { flattenChildren } = require('playwright-core/lib/server/dom.js');2const { parse } = require('playwright-core/lib/server/dom.js');3const { serialize } = require('playwright-core/lib/server/dom.js');4</div>`;5const dom = parse(html);6console.log('dom:', dom);7const flattenedChildren = flattenChildren(dom);8console.log('flattenedChildren:', flattenedChildren);9const serialized = serialize(dom);10console.log('serialized:', serialized);11dom: {12}13  {14  },15  {16  },17  {18  },19  {20  },21  {22  },23  {24  },25  {26  },27  {28  }29serialized: {30}

Using AI Code Generation

1const { Playwright } = require('playwright');2const { flattenChildren } = Playwright._internal;3const { ElementHandle } = require('playwright/lib/cjs/puppeteer/common/JSHandle');4ElementHandle.prototype.flattenChildren = flattenChildren;5const { chromium } = require('playwright');6(async () => {7  const browser = await chromium.launch({ headless: false });8  const context = await browser.newContext();9  const page = await context.newPage();10  const input = await page.$('input[name="q"]');11  await input.type('Hello World');12  await page.screenshot({ path: `example.png` });13  await browser.close();14})();15<code>Promise&lt;[Array]&lt;[Object]>>></code>

Using AI Code Generation

1const {helper} = require('playwright/lib/helper');2const {flattenChildren} = helper;3  {name: 'a', children: [{name: 'b'}, {name: 'c'}]},4  {name: 'd', children: [{name: 'e'}]},5];6console.log(flattenChildren(children));7Please read [CONTRIBUTING.md](

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