Best JavaScript code snippet using playwright-internal
params.js
Source:params.js  
...32            path[1] = m;33            hash.path = path.join('/');34            hash.query = '';35            params = {};36            updateFragment();37            $.publish('biomart.changed.mart', m);38        }39    };40    41    self.setDatasets = function(ds) {42        if (params.ds != ds) {43            // Clear filters and attributes because they may be invalid44            params = { ds: ds };45            hash.query = $.param(params);46            updateFragment();47            $.publish('biomart.changed.datasets', ds);48        }49    };50    self.setPage = function(i) {51        self.setParam('page', i);52    };53    self.setSort = function(asc, index) {54        self.setParam('page', 1, false);55        self.setParam('order', asc ? 'asc' : 'desc', false);56        self.setParam('col', index, true);57    };58    self.setPreview = function(isPreview) {59          if (isPreview && !params.preview) {60            params.preview = true;61            $.publish('biomart.preview');62        } else if (!isPreview && params.preview) {63            delete params.preview;64            $.publish('biomart.edit');65        } else {66            return;67        }68        hash.query = $.param(params);69        updateFragment();70    };71    self.setParam = function(name, value, update) {72        if (value != 0 && !value) delete params[name];73        else params[name] = value;74        hash.query = $.param(params);75        if (update !== false) updateFragment();76    };77    self.setAttr = function(attr) {78        params.attr = attr;79        hash.query = $.param(params);80        updateFragment();81    };82    self.addAttr = function(name) {83        var arr = params.attr ? params.attr.split(',') : [];84        arr.push(name);85        params.attr = arr.join(',');86        hash.query = $.param(params);87        updateFragment();88    };89    self.removeAttr = function(name) {90        var i = $.inArray(name);91        if (params.attr && i != -1) {92            var arr = params.attr.split(',');93            arr.remove(i);94            params.attr = arr.join(',');95            hash.query = $.param(params);96            updateFragment();97        }98    };99    function updateFragment() {100        location.hash = [biomart.url.SEPARATOR, biomart.url.stringify(hash)].join('');101    }102    function update() {103        var newHash = biomart.url.jsonify( biomart.url.jsonify().fragment ),104            newPath = newHash.path.split('/'),105            newParams = $.deparam(newHash.query) || {};106        if (path[1] != newPath[1]) {107            self.setMart(newPath[1]);108        } else {109            if (params.ds != newParams.ds) {110                if (newParams.ds) self.setDatasets(newParams.ds);111            }112            if (params.preview != newParams.preview) {113                self.setPreview(!!newParams.preview);...fragment-options.js
Source:fragment-options.js  
...71            return value;72        }73    }),74    // helpers75    updateFragment() {76        this.saveChangeset();77        this.set('toggleTooltip', false);78        this.get('flashTooltip').perform();79        this.set('fragment.valid', this.get('changeset.isValid'));80    },81    updateLimit(value, index) {82        let limits = this.limits();83        limits[index] = value;84        const changeset = this.get('changeset');85        changeset.set('value', limits.join('-'));86        this.updateFragment();87    },88    changeFragmentType(value) {89        this.set('fragment.value', '');90        this.set('fragment.valid', true);91        this.set('fragment.type', value.value);92    },93    focusFragment() {94        run.scheduleOnce('afterRender', this.context, () => {95            this.$('.focus-control').focus();96        });97    },98    saveChangeset() {99        const changeset = this.get('changeset');100        if (changeset.get('value') === '') {101            changeset.set('value', '');102        }103        if (changeset.get('isValid')) {104            changeset.save();105        }106    },107    flashTooltip: task(function * () {108        yield timeout(TOOLTIP_DEBOUNCE);109        if (this.get('changeset.isInvalid')) {110            this.set('toggleTooltip', true);111            yield timeout(TOOLTIP_DELAY);112            this.set('toggleTooltip', false);113        }114    }).restartable(),115    actions: {116        saveFragment() {117            this.updateFragment();118            if (this.get('changeset.isValid') && this.get('allValidFragments')) {119                this.get('saveSpider').perform();120            }121        },122        updateValue() {123            this.updateFragment();124        },125        changeFragmentType() {126            this.get('saveSpider').cancelAll();127        }128    }...ContentEditor.js
Source:ContentEditor.js  
...15  }16  save() {17    this.props.save(this.state.regions)18  }19  updateFragment(name, fragmentIndex, newFragment) {20    const { regions } = this.state;21    this.setState({22      regions: {23        ...regions,24        [name]: regions[name].map((fragment, index) => (25          index === fragmentIndex ? newFragment : fragment26        ))27      }28    }, this.save)29  }30  updateFragmentData(name, fragmentIndex, data) {31    const { regions } = this.state;32    this.setState({33      regions: {34        ...regions,35        [name]: regions[name].map((fragment, index) => (36          index === fragmentIndex ? { ...fragment, data } : fragment37        ))38      }39    }, this.save)40  }41  updateFragments(name, newFragments) {42    const { regions } = this.state43    this.setState({44      regions: {45        ...regions,46        [name]: newFragments.map(fragment => fragment) // Make a new array instance47      }48    }, this.save)49  }50  removeFragment(name, fragmentIndex) {51    const { regions } = this.state52    this.setState({53      regions: {54        ...regions,55        [name]: [56          ...regions[name].slice(0, fragmentIndex),57          ...regions[name].slice(fragmentIndex + 1)58        ]59      }60    }, this.save)61  }62  addFragment(name, fragment) {63    const { regions } = this.state64    this.setState({65      regions: {66        ...regions,67        [name]: [fragment, ...regions[name]]68      }69    }, this.save)70  }71  render() {72    const { regions } = this.state73    const { fragmentsSchemas } = this.props74    return (75      <div>76        {Object.keys(regions).map(name => (77          <Region78            key={name}79            name={name}80            fragments={regions[name]}81            fragmentsSchemas={fragmentsSchemas}82            updateFragments={(frags) => this.updateFragments(name, frags)}83            updateFragment={(i, frag) => this.updateFragment(name, i, frag)}84            updateFragmentData={(i, data) => this.updateFragmentData(name, i, data)}85            removeFragment={(i) => this.removeFragment(name, i)}86            addFragment={(frag) => this.addFragment(name, frag)}87          />88        ))}89      </div>90    )91  }...clientState.js
Source:clientState.js  
1import { NOTE_FRAGMENT } from "./fragments";2import { GET_NOTES } from "./queries";3import { saveNotes, restoreNotes } from "./offline";4export const defaults = {5  notes: restoreNotes(),6};7export const typeDefs = [8  `9    schema {10        query: Query11        mutation: Mutation12    }13    type Query {14        notes: [Note]!15        note(id: Int!): Note16    }17    type Mutation {18        createNote(title: String!, content: String!)19        editNote(id: Int!, title: String!, content: String!)20        delNote(id: Int!)21    }22    type Note {23        id: Int!24        title: String!25        content: String!26    }27`,28];29export const resolvers = {30  // Query notesë defaultsìì ìì±í´ì¥¼31  Query: {32    note: (_, variables, { cache }) => {33      const id = cache.config.dataIdFromObject({34        __typename: "Note",35        id: variables.id,36      });37      const note = cache.readFragment({38        fragment: NOTE_FRAGMENT,39        id,40      });41      return note;42    },43  },44  Mutation: {45    createNote: (_, { title, content }, { cache }) => {46      const { notes } = cache.readQuery({ query: GET_NOTES });47      const newNote = {48        __typename: "Note",49        id: notes.length + 1,50        title,51        content,52      };53      cache.writeData({54        data: {55          notes: [newNote, ...notes],56        },57      });58      saveNotes(cache);59      return newNote;60    },61    editNote: (_, { id, title, content }, { cache }) => {62      const noteId = cache.config.dataIdFromObject({63        __typename: "Note",64        id,65      });66      const note = cache.readFragment({67        fragment: NOTE_FRAGMENT,68        id: noteId,69      });70      const updateFragment = {71        ...note,72        title,73        content,74      };75      cache.writeFragment({76        id: noteId,77        fragment: NOTE_FRAGMENT,78        data: updateFragment,79      });80      saveNotes(cache);81      return updateFragment;82    },83    delNote: (_, { id }, { cache }) => {84      const { notes } = cache.readQuery({ query: GET_NOTES });85      const clearNotes = notes.filter((note) => note.id !== id);86      cache.writeQuery({87        query: GET_NOTES,88        data: {89          notes: clearNotes,90        },91      });92      saveNotes(cache);93      return clearNotes;94    },95  },...Region.js
Source:Region.js  
1import React, { Component } from 'react'2import FragmentList from './FragmentList'3import { arrayMove } from 'react-sortable-hoc'4export default class Region extends Component {5  constructor(props) {6    super(props)7    this.onSortEnd = this.onSortEnd.bind(this)8  }9  onSortEnd({ oldIndex, newIndex }) {10    const newFragments = arrayMove(this.props.fragments, oldIndex, newIndex)11    this.props.updateFragments(newFragments)12  }13  getFragmenTypes() {14    const { fragmentsSchemas } = this.props15    return Object.keys(fragmentsSchemas).map(name => (16      { name, title: fragmentsSchemas[name].title }17    ))18  }19  render() {20    const {21      name,22      updateFragment,23      updateFragmentData,24      removeFragment,25      addFragment,26      fragments,27      fragmentsSchemas,28    } = this.props;29    const fragmentsTypes = this.getFragmenTypes()30    return (31      <div>32          <h1>{name}</h1>33          <div className="form-group" style={{ padding: '1em' }}>34             <select className="form-control" ref={(ref) => this.select = ref}>35              {fragmentsTypes.map(({ title, name }) => (36                <option key={name} value={name}>{title}</option>37              ))}38            </select>39            <button40              style={{ marginTop: '5px' }}41              className="btn btn-success"42              type="button"43              onClick={() => addFragment({ type: this.select.value, data: {} })}>Add Fragment</button>44          </div>45          <div style={{ marginLeft: '1em' }}>46            <FragmentList47              name={name}48              fragments={fragments}49              onSortEnd={this.onSortEnd}50              useDragHandle={true}51              fragmentsSchemas={fragmentsSchemas}52              updateFragment={updateFragment}53              updateFragmentData={updateFragmentData}54              removeFragment={removeFragment}55            />56          </div>57      </div>58    )59  }...ObservationEditorPage.js
Source:ObservationEditorPage.js  
1import React, {Component} from 'react';2import PropTypes from 'prop-types';3import {connect} from 'react-redux';4import {bindActionCreators} from 'redux';5import ObservationBuilder from './ObservationBuilder'6import {7  addFragment,8  removeFragment,9  updateFragment,10} from '../../modules/Data/ObservationEditorReducer';11class ObservationEditorPage extends Component {12  static propTypes = {13    children: PropTypes.node,14    className: PropTypes.string,15  };16  constructor(props) {17    super(props);18  }19  render() {20    return (21      <div>22        <ObservationBuilder23          observation={this.props.observation}24          onAddFragment={this.props.addFragment}25          onRemoveFragment={this.props.removeFragment}26          onUpdateFragment={this.props.updateFragment}27        />28      </div>29    );30  }31}32const mapStateToProps = state => ({33    observation: state.observationEditor,34});35const mapDispatchToProps = dispatch =>{36  return bindActionCreators({37    addFragment,38    removeFragment,39    updateFragment40  }, dispatch);41}...FragmentList.js
Source:FragmentList.js  
...10        collection={name}11        fragment={fragment}12        fragmentTitle={fragmentsSchemas[fragment.type].title}13        schema={fragmentsSchemas[fragment.type]}14        updateFragment={(frag) => updateFragment(index, frag)}15        updateFragmentData={(data) => updateFragmentData(index, data)}16        removeFragment={() => removeFragment(index)}17      />18    )}19  </div>20)...index.js
Source:index.js  
1"use strict";2Object.defineProperty(exports, "__esModule", {3  value: true4});5exports.setGlobalStyle = exports.updateRoute = exports.updateFragment = exports.addFragment = void 0;6var _reduxActions = require("redux-actions");7var addFragment = (0, _reduxActions.createAction)('ADD_FRAGMENT');8exports.addFragment = addFragment;9var updateFragment = (0, _reduxActions.createAction)('UPDATE_FRAGMENT');10exports.updateFragment = updateFragment;11var updateRoute = (0, _reduxActions.createAction)('UPDATE_ROUTE');12exports.updateRoute = updateRoute;13var setGlobalStyle = (0, _reduxActions.createAction)('SET_GLOBAL_STYLE');...Using AI Code Generation
1const { chromium } = require('playwright');2(async () => {3  const browser = await chromium.launch();4  const context = await browser.newContext();5  const page = await context.newPage();6  await page.evaluate(() => {7  });8  await browser.close();9})();Using AI Code Generation
1const { chromium } = require('playwright');2(async () => {3  const browser = await chromium.launch();4  const context = await browser.newContext();5  const page = await context.newPage();6  await page.evaluate(() => {7    const url = new URL(location.href);8    url.hash = 'foo';9    const fragment = url.hash;10    window.history.replaceState({}, '', url.href);11    window.playwright._internal.updateFragment(fragment);12  });13  await page.screenshot({ path: 'fragment.png' });14  await browser.close();15})();Using AI Code Generation
1const { chromium } = require('playwright');2(async () => {3  const browser = await chromium.launch({ headless: false });4  const context = await browser.newContext();5  const page = await context.newPage();6  await page.updateFragment('q=playwright');7  await page.screenshot({ path: 'fragment.png' });8  await browser.close();9})();Using AI Code Generation
1const playwright = require('playwright');2const { chromium } = playwright;3(async () => {4  const browser = await chromium.launch();5  const page = await browser.newPage();6  await page.evaluate(() => {7    document.body.innerHTML = '<div>new content</div>';8  });9  await page.updateFragment();10  await browser.close();11})();Using AI Code Generation
1const { chromium } = require('playwright');2const { getTestState } = require('@playwright/test');3(async () => {4  const browser = await chromium.launch({ headless: false });5  const context = await browser.newContext();6  const page = await context.newPage();7  await page.waitForSelector('text=Get started');8  await page.click('text=Get started');9  await page.waitForSelector('text=API reference');10  await page.click('text=API reference');11  await page.waitForSelector('text=BrowserContext');12  await page.click('text=BrowserContext');13  await page.waitForSelector('text=BrowserContext.newPage');14  await page.click('text=BrowserContext.newPage');15  await page.waitForSelector('text=BrowserContext.newPage');16  await page.click('text=BrowserContext.newPage');17  await page.waitForSelector('text=BrowserContext.newPage');18  await page.click('text=BrowserContext.newPage');19  await page.waitForSelector('text=BrowserContext.newPage');20  await page.click('text=BrowserContext.newPage');21  await page.waitForSelector('text=BrowserContext.newPage');22  await page.click('text=BrowserContext.newPage');23  await page.waitForSelector('text=BrowserContext.newPage');24  await page.click('text=BrowserContext.newPage');25  await page.waitForSelector('text=BrowserContext.newPage');26  await page.click('text=BrowserContext.newPage');27  const testInfo = getTestState(page);28  if (testInfo.attachments) {29    const screenshot = await page.screenshot();30    testInfo.attachments.push({31    });32  }33  await browser.close();34})();Using AI Code Generation
1const { updateFragment } = require('playwright/lib/server/supplements/recorder/recorderSupplement.js');2const { Page } = require('playwright/lib/server/page.js');3const { Frame } = require('playwright/lib/server/frames.js');4const { ElementHandle } = require('playwright/lib/server/dom.js');5const { updateFragment } = require('playwright/lib/server/supplements/recorder/recorderSupplement.js');6const { Page } = require('playwright/lib/server/page.js');7const { Frame } = require('playwright/lib/server/frames.js');8const { ElementHandle } = require('playwright/lib/server/dom.js');9const { debug } = require('playwright/lib/utils/debug');10const { updateFragment } = require('playwright/lib/server/supplements/recorder/recorderSupplement.js');11const { Page } = require('playwright/lib/server/page.js');12const { Frame } = require('playwright/lib/server/frames.js');13const { ElementHandle } = require('playwright/lib/server/dom.js');14const { debug } = require('playwright/lib/utils/debug');15const { updateFragment } = require('playwright/lib/server/supplements/recorder/recorderSupplement.js');16const { Page } = require('playwright/lib/server/page.js');17const { Frame } = require('playwright/lib/server/frames.js');18const { ElementHandle } = require('playwright/lib/server/dom.js');19const { debug } = require('playwright/lib/utils/debug');20const { updateFragment } = require('playwright/lib/server/supplements/recorder/recorderSupplement.js');21const { Page } = require('playwright/lib/server/page.js');22const { Frame } = require('playwright/lib/server/frames.js');23const { ElementHandle } = require('playwright/lib/server/dom.js');24const { debug } = require('playwright/lib/utils/debug');25const { updateFragment } = require('playwright/lib/server/supplements/recorder/recorderSupplement.js');26const { Page } = require('playwright/lib/server/page.js');27const { Frame } = require('playUsing AI Code Generation
1const { updateFragment } = require('@playwright/test/lib/server/trace/viewer/traceViewer');2const traceViewer = require('@playwright/test/lib/server/trace/viewer/traceViewer');3const { chromium } = require('playwright');4const fs = require('fs');5(async () => {6  const browser = await chromium.launch({ headless: false });7  const context = await browser.newContext();8  const page = await context.newPage();9  await page.screenshot({ path: `example.png` });10  const trace = await page.context().tracing.stop({ screenshots: true, snapshots: true });11  const traceJson = JSON.parse(trace);12  const traceString = JSON.stringify(traceJson, null, 2);13  fs.writeFileSync('trace.json', traceString);14  const traceViewerHtml = traceViewer.generateTraceViewerHtml(traceString);15  const updatedHtml = updateFragment(traceViewerHtml, 'traceViewerData', traceString);16  fs.writeFileSync('traceViewer.html', updatedHtml);17  await browser.close();18})();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.
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