Best JavaScript code snippet using playwright-internal
index.js
Source:index.js  
...76    t.end()77  })78  t.end()79})80test('emphasize.highlightAuto(value[, settings | sheet])', (t) => {81  const result = emphasize.highlightAuto('')82  t.throws(83    () => {84      // @ts-expect-error runtime.85      emphasize.highlightAuto(true)86    },87    /Expected `string` for value, got `true`/,88    'should throw when not given a string'89  )90  t.equal(result.relevance, 0, 'should return a `0` for `relevance` when empty')91  t.equal(92    result.language,93    null,94    'should return `null` for `language` when empty'95  )96  t.deepEqual(97    result.value,98    '',99    'should return an empty string for `value` when empty'100  )101  t.test('fixture', (t) => {102    const result = emphasize.highlightAuto('"use strict";')103    t.equal(104      result.relevance,105      10,106      'should return the correct relevance for the fixture'107    )108    t.equal(109      result.language,110      'javascript',111      'should return the correct language for the fixture'112    )113    t.deepEqual(114      result.value,115      '\u001B[35m"use strict"\u001B[39m;',116      'should return the correct sequences for the fixture'117    )118    t.end()119  })120  t.test('custom `sheet`', (t) => {121    const result = emphasize.highlightAuto('"use strict";', {meta: chalk.bold})122    t.deepEqual(123      result.value,124      '\u001B[1m"use strict"\u001B[22m;',125      'should support custom sheets'126    )127    t.end()128  })129  t.test('custom `subset`', (t) => {130    let result = emphasize.highlightAuto('"use strict";', {subset: ['java']})131    t.equal(result.language, 'java', 'should support a given custom `subset`')132    t.doesNotThrow(() => {133      result = emphasize.highlightAuto('"use strict";', {134        subset: ['fooscript', 'javascript']135      })136    }, 'should ignore unregistered subset languages (#1)')137    t.equal(138      result.language,139      'javascript',140      'should ignore unregistered subset languages (#2)'141    )142    t.end()143  })144  t.end()145})146test('fixtures', (t) => {147  const files = fs.readdirSync(path.join('test', 'fixture'))...code_fomatter.js
Source:code_fomatter.js  
...67  highlightCodeWithLine(data) {68    if (!data) {69      return70    }71    let highlightAuto = hljs.highlightAuto(data, GLOBAL_CONST.SUPPORT_LANGUAGE)72    data = highlightAuto.value73    data = hljs.addLineNumbersBlockFor(data, 0)74    return data75  },76  highlightCode(data, filename, needBlank = false) {77    if (!data) {78      return ''79    }80    // è·å¾æä»¶å对åºçè¯è¨81    let targetLanguage = this.getFileLanguageList(filename)82    return '<div style=\'display: flex\'><div style="display: inline-block;flex: 1">' + hljs.highlightAuto(data.substr(1), targetLanguage).value + '</div></div>'83    // return '<div style=\'display: flex\'>' + code + '<div style="display: inline-block;flex: 1">' + hljs.highlightAuto(modify ? data.substr(1) : data, targetLanguage).value + '</div></div>'84  },85  highlightCodeWithColor(data, filename, needBlank = false) {86    if (!data) {87      return ''88    }89    // è·å¾æä»¶å对åºçè¯è¨90    let targetLanguage = this.getFileLanguageList(filename)91    let className = 'lineNum'92    if (/^\+/g.test(data)) {93      className = 'new'94    } else if (/^\-/g.test(data)) {95      className = 'old'96    }97    let str = className === 'lineNum' ? data : data.substr(1)98    return {99      code: '<div style=\'display: flex\'><div style="display: inline-block;">' + hljs.highlightAuto(str, targetLanguage).value + '</div></div>',100      className: className101    }102  },103  getFileLanguageList(filename) {104    if (languageMap[filename]) {105      return languageMap[filename]106    } else {107      let targetLanguage = GLOBAL_CONST.SUPPORT_LANGUAGE108      try {109        if (!!filename && filename.indexOf('.') !== -1) {110          let fileExtension = filename.split('.').reverse()[0].toLocaleLowerCase()111          if (hljs.listLanguages().indexOf(fileExtension) !== -1) {112            targetLanguage = [fileExtension]113          }...main.js
Source:main.js  
...17if (document.getElementById("console")) {18    var intervalID = window.setInterval(updateScreen, 740);19    var c = document.getElementById("console");20    const txt = [21        '--> ' + hljs.highlightAuto('{"jsonrpc": "2.0", "method": "subtract", "params": [42, 23], "id": 1}').value,22        '<-- ' + hljs.highlightAuto('{"jsonrpc": "2.0", "result": 19, "id": 1}').value,23        '<span class="text-primary">---</span>',24        '--> ' + hljs.highlightAuto('{"jsonrpc": "2.0", "method": "subtract", "params": [23, 42], "id": 2}').value,25        '<-- ' + hljs.highlightAuto('{"jsonrpc": "2.0", "result": -19, "id": 2}').value,26        '<span class="text-primary">---</span>',27        '--> ' + hljs.highlightAuto('{"jsonrpc": "2.0", "method": "subtract", "params": {"subtrahend": 23, "minuend": 42}, "id": 3}').value,28        '<-- ' + hljs.highlightAuto('{"jsonrpc": "2.0", "result": 19, "id": 3}').value,29        '<span class="text-primary">---</span>',30        '--> ' + hljs.highlightAuto('{"jsonrpc": "2.0", "method": "subtract", "params": {"minuend": 42, "subtrahend": 23}, "id": 4}').value,31        '<-- ' + hljs.highlightAuto('{"jsonrpc": "2.0", "result": 19, "id": 4}').value,32        '<span class="text-primary">---</span>',33        '--> ' + hljs.highlightAuto('{"jsonrpc": "2.0", "method": "foobar", "id": 10}').value,34        '<-- ' + hljs.highlightAuto('{"jsonrpc": "2.0", "error": {"code": -32601, "message": "Procedure not found."}, "id": 10}').value,35        '<span class="text-primary">---</span>',36        '--> ' + hljs.highlightAuto('{"jsonrpc": "2.0", "method": "foobar", "params": "bar", "baz"]').value,37        '<-- ' + hljs.highlightAuto('{"jsonrpc": "2.0", "error": {"code": -32700, "message": "Parse error"}, "id": null}').value,38        '<span class="text-primary">---</span>',39        '--> ' + hljs.highlightAuto('{"jsonrpc": "2.0", "method": 1, "params": "bar"}').value,40        '<-- ' + hljs.highlightAuto('{"jsonrpc": "2.0", "error": {"code": -32600, "message": "Invalid JSON-RPC."}, "id": null}').value,41        '<span class="text-primary">---</span>',42    ];43    var docfrag = document.createDocumentFragment();44    function updateScreen() {45        //Shuffle the "txt" array46        txt.push(txt.shift());47        //Rebuild document fragment48        txt.forEach(function (e) {49            var p = document.createElement("p");50            p.innerHTML = e;51            docfrag.appendChild(p);52        });53        //Clear DOM body54        while (c.firstChild) {...BareHighlight.spec.js
Source:BareHighlight.spec.js  
1import React from 'react';2import { mount, shallow } from 'enzyme';3import highlightjs from 'highlight.js';4import BareHighlight from '../BareHighlight';5test('no language - calls correct highlightCall', (done) => {6    const hljs = {7        highlightAuto: jest.fn(() => ({ value: 'othertest', language: 'xml' })),8    };9    const wrapper = mount(10        <BareHighlight highlightjs={hljs}>test</BareHighlight>11    );12    setTimeout(() => {13        expect(wrapper.state('language')).toBe('xml');14        expect(wrapper.state('highlightedCode')).toBe('othertest');15        expect(hljs.highlightAuto).toHaveBeenCalledWith('test', []);16        expect(hljs.highlightAuto).toHaveBeenCalledTimes(1);17        done();18    }, 1);19});20test('can correctly rerender code', (done) => {21    let value = 'initalresult';22    const hljs = {23        highlightAuto: jest.fn(() => ({ value, language: 'xml' })),24    };25    const wrapper = mount(26        <BareHighlight highlightjs={hljs}>test</BareHighlight>27    );28    setTimeout(() => {29        value = 'changed';30        wrapper.setProps({ children: 'newtest' });31        setTimeout(() => {32            expect(wrapper.state('language')).toBe('xml');33            expect(wrapper.state('highlightedCode')).toBe('changed');34            expect(hljs.highlightAuto).toHaveBeenCalledWith('newtest', []);35            expect(hljs.highlightAuto).toHaveBeenCalledTimes(2);36            done();37        }, 1);38    }, 1);39});40test('one language - calls correct highlightCall', (done) => {41    const hljs = {42        highlight: jest.fn(() => ({ value: 'othertest', language: 'js' })),43    };44    const wrapper = mount(45        <BareHighlight highlightjs={hljs} languages={['js']}>46            test47        </BareHighlight>48    );49    setTimeout(() => {50        expect(wrapper.state('language')).toBe('js');51        expect(wrapper.state('highlightedCode')).toBe('othertest');52        expect(hljs.highlight).toHaveBeenCalledWith('js', 'test');53        expect(hljs.highlight).toHaveBeenCalledTimes(1);54        done();55    }, 1);56});57test('multiple languages - calls correct highlightCall', (done) => {58    const hljs = {59        highlightAuto: jest.fn(() => ({ value: 'othertest', language: 'js' })),60    };61    const wrapper = mount(62        <BareHighlight highlightjs={hljs} languages={['js', 'html']}>63            test64        </BareHighlight>65    );66    setTimeout(() => {67        expect(wrapper.state('language')).toBe('js');68        expect(wrapper.state('highlightedCode')).toBe('othertest');69        expect(hljs.highlightAuto).toHaveBeenCalledWith('test', ['js', 'html']);70        expect(hljs.highlightAuto).toHaveBeenCalledTimes(1);71        done();72    }, 1);73});74test('className is passed through', () => {75    const wrapper = shallow(76        <BareHighlight highlightjs={highlightjs} className="foobar">77            test78        </BareHighlight>79    );80    expect(wrapper).toMatchSnapshot();...code-snippet-test-cases.js
Source:code-snippet-test-cases.js  
...18  description: 'highlighted',19  component: CodeSnippet,20  props: {21    code: snippetA,22    highlightedCode: hljs.highlightAuto(snippetA).value23  }24};25testCases.highlightedNoRangesWithCallback = {26  description: 'highlighted, no ranges, with onCopy callback',27  component: CodeSnippet,28  props: {29    code: snippetA,30    highlightedCode: hljs.highlightAuto(snippetA).value,31    onCopy: safeSpy()32  }33};34const snippetB = `import Mapbox35  class ViewController: UIViewController {36  override func viewDidLoad() {37    super.viewDidLoad()38    let url = URL(string: "mapbox://styles/mapbox/streets-v9")39    let mapView = MGLMapView(frame: view.bounds, styleURL: url)40    mapView.autoresizingMask = [.flexibleWidth, .flexibleHeight]41    mapView.setCenter(CLLocationCoordinate2D(latitude: 59.31, longitude: 18.06), zoomLevel: 9, animated: false)42    view.addSubview(mapView)43  }44}`;45testCases.copyRanges = {46  description: 'copy ranges',47  component: CodeSnippet,48  props: {49    code: snippetB,50    highlightedCode: hljs.highlightAuto(snippetB).value,51    copyRanges: [52      [1, 1],53      [7, 11]54    ]55  }56};57testCases.copyRangesWithCallback = {58  description: 'copy ranges, with onCopy callback',59  component: CodeSnippet,60  props: {61    code: snippetB,62    highlightedCode: hljs.highlightAuto(snippetB).value,63    copyRanges: [64      [1, 1],65      [7, 11]66    ],67    onCopy: safeSpy()68  }69};70testCases.maxHeight = {71  description: 'maximum height',72  component: CodeSnippet,73  props: {74    code: snippetB,75    highlightedCode: hljs.highlightAuto(snippetB).value,76    copyRanges: [77      [1, 1],78      [7, 11]79    ],80    maxHeight: 12081  }82};...highlight-spec.js
Source:highlight-spec.js  
1const { hljs } = require("../dist/respec-highlight");2describe("respec-highlight bundle", () => {3  it("highlights abnf", () => {4    const input = `email-address = local-part "@" domain-part`;5    const { value, language } = hljs.highlightAuto(input, ["abnf"]);6    expect(language).toBe("abnf");7    expect(value).toContain(8      '<span class="hljs-attribute">email-address</span>'9    );10  });11  it("highlights css", () => {12    const { value, language } = hljs.highlightAuto(`@import url(some.css);`, [13      "css",14    ]);15    expect(language).toBe("css");16    expect(value).toContain('<span class="hljs-keyword">@import</span>');17  });18  it("highlights http", () => {19    const {20      value,21      language,22    } = hljs.highlightAuto(`POST / HTTP/1.1\nReferer: somewhere`, ["http"]);23    expect(language).toBe("http");24    expect(value).toContain('<span class="hljs-attribute">Referer</span>');25  });26  it("highlights javascript", () => {27    const { value, language } = hljs.highlightAuto(`function test(){}`, [28      "javascript",29    ]);30    expect(language).toBe("javascript");31    expect(value).toContain('<span class="hljs-keyword">function</span>');32  });33  it("highlights json", () => {34    const { value, language } = hljs.highlightAuto(`{"prop": "value"}`);35    expect(language).toBe("json");36    expect(value).toContain('<span class="hljs-attr">"prop"</span>:');37  });38  it("highlights xml/html", () => {39    const {40      value,41      language,42    } = hljs.highlightAuto(`<script type="application/javascript">`, ["html"]);43    expect(language).toBe("html");44    expect(value).toContain('<span class="hljs-name">script</span>');45  });...markedFunc.js
Source:markedFunc.js  
...6Marked.setOptions({7    renderer: new Marked.Renderer({8        highlight: function (code, lang) {9            if (lang)10                return hljs.highlightAuto(code, [lang]).value;11            else12                return hljs.highlightAuto(code).value;13        }14    }),15    gfm: true,16    breaks: true,17    highlight: function (code, lang) {18        if (lang)19            return hljs.highlightAuto(code, [lang]).value;20        else21            return hljs.highlightAuto(code).value;22    }23});...highlight.js
Source:highlight.js  
1TS.js.highlight = function(str, language) {2  if (language == 'js' || language =='javascript') {3    return `<pre><code>${hljs.highlightAuto(str).value}</code></pre>`;4  } else if (language == 'css') {5    return `<pre><code>${hljs.highlightAuto(str).value}</code></pre>`;6  } else if (language == 'json') {7    return `<pre><code>${hljs.highlightAuto(str).value}</code></pre>`;8  } else if (language == 'rich text') {9    return str10  } else if (language == 'html') {11    return `<pre><code>${hljs.highlightAuto(str).value}</code></pre>`12  } else if (language == 'markdown') {13    return marked(str)14  }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  const code = await page.$('pre');7  const content = await code.innerText();8  const {value} = await page.evaluateHandle(content => {9    return window.hljs.highlightAuto(content);10  }, content);11  console.log(await value.jsonValue());12  await browser.close();13})();14{Using AI Code Generation
1const playwright = require('playwright');2const fs = require('fs');3(async () => {4  const browser = await playwright.chromium.launch();5  const context = await browser.newContext();6  const page = await context.newPage();7  const html = await page.content();8  const result = await page._doHighlightAuto(html);9  fs.writeFileSync('highlight.html', result);10  await browser.close();11})();Using AI Code Generation
1const { highlightAuto } = require('playwright-core/lib/server/supplements/recorder/highlighter');2const fs = require('fs');3const html = fs.readFileSync('index.html', 'utf8');4const result = highlightAuto(html, { ignoreUnmatched: true });5console.log(result.value);6console.log(result.language);Using AI Code Generation
1const { highlightAuto } = require('@playwright/test/lib/codegen/highlight');2const code = 'const a = 1;';3const language = 'javascript';4const highlightedCode = highlightAuto(code, [language]);5console.log(highlightedCode.value);6const { highlightAuto } = require('@playwright/test/lib/codegen/highlight');7const code = 'const a = 1;';8const language = 'javascript';9const highlightedCode = highlightAuto(code, [language]);10console.log(highlightedCode.value);11const { highlightAuto } = require('@playwright/test/lib/codegen/highlight');12const code = 'const a = 1;';13const language = 'javascript';14const highlightedCode = highlightAuto(code, [language]);15console.log(highlightedCode.value);16const { highlightAuto } = require('@playwright/test/lib/codegen/highlight');17const code = 'const a = 1;';18const language = 'javascript';19const highlightedCode = highlightAuto(code, [language]);20console.log(highlightedCode.value);21const { highlightAuto } = require('@playwright/test/lib/codegen/highlight');22const code = 'const a = 1;';23const language = 'javascript';24const highlightedCode = highlightAuto(code, [language]);25console.log(highlightedCode.value);26const { highlightAuto } = require('@playwright/test/lib/codegen/highlight');27const code = 'const a = 1;';28const language = 'javascript';29const highlightedCode = highlightAuto(code, [language]);30console.log(highlightedCode.value);31const { highlightAuto } = require('@playwright/test/lib/codegen/highlight');32const code = 'const a = 1;';33const language = 'javascript';34const highlightedCode = highlightAuto(code, [language]);35console.log(highlightedCode.value);36const { highlightAuto } = require('@playwright/test/lib/codegen/highlight');37const code = 'const a = 1;';38const language = 'javascript';39const highlightedCode = highlightAuto(code, [Using AI Code Generation
1const { highlightAuto } = require('@playwright/test');2const code = `const foo = 'bar';`;3const highlighted = highlightAuto(code).value;4console.log(highlighted);5const { highlightAuto } = require('@playwright/test');6const code = `const foo = 'bar';`;7const highlighted = highlightAuto(code, ["javascript"]).value;8console.log(highlighted);9const { highlightAuto } = require('@playwright/test');10const code = `const foo = 'bar';`;11const highlighted = highlightAuto(code, ["javascript"], {ignoreUnrecognized: true}).value;12console.log(highlighted);13const { highlightAuto } = require('@playwright/test');14const code = `const foo = 'bar';`;15const highlighted = highlightAuto(code, ["javascript"], {ignoreUnrecognized: false}).value;16console.log(highlighted);17const { highlightAuto } = require('@playwright/test');18const code = `const foo = 'bar';`;19const highlighted = highlightAuto(code, ["javascript"], {ignoreUnrecognized: false}).value;20console.log(highlighted);Using AI Code Generation
1const { highlightAuto } = require("@playwright/test/lib/utils/inspector");2const code = "const a = 1";3console.log(highlightAuto(code).value);4import { highlightAuto } from "@playwright/test/lib/utils/inspector";5const code = "const a = 1";6console.log(highlightAuto(code).value);7import { highlightAuto } from "@playwright/test/lib/utils/inspector";8const code = "const a = 1";9console.log(highlightAuto(code).value);10const { highlightAuto } = require("@playwright/test/lib/utils/inspector");11const code = "const a = 1";12console.log(highlightAuto(code).value);13import { highlightAuto } from "@playwright/test/lib/utils/inspector";14const code = "const a = 1";15console.log(highlightAuto(code).value);16import { highlightAuto } from "@playwright/test/lib/utils/inspector";17const code = "const a = 1";18console.log(highlightAuto(code).value);19const { highlightAuto } = require("@playwright/test/lib/utils/inspector");20const code = "const a = 1";21console.log(highlightAuto(code).value);Using AI Code Generation
1const { highlightAuto } = require('@playwright/test');2const code = `const foo = 1;`;3const result = highlightAuto(code);4console.log(result.value);5const { highlightAuto } = require('highlight.js');6const code = `const foo = 1;`;7const result = highlightAuto(code);8console.log(result.value);9const { highlightAuto } = require('highlight.js');10const code = `const foo = 1;`;11const result = highlightAuto(code);12console.log(result.value);13const { highlightAuto } = require('highlight.js');14const code = `const foo = 1;`;15const result = highlightAuto(code);16console.log(result.value);17const { highlightAuto } = require('highlight.js');18const code = `const foo = 1;`;19const result = highlightAuto(code);20console.log(result.value);21const { highlightAuto } = require('highlight.js');22const code = `const foo = 1;`;23const result = highlightAuto(code);24console.log(result.value);Using AI Code Generation
1const {highlightAuto} = require('playwright/lib/utils/highlight');2const code = `const a = 1`;3const result = highlightAuto(code);4console.log(result.value);5const {highlightAuto} = require('playwright/lib/utils/highlight');6const code = `const a = 1`;7const result = highlightAuto(code, ['js', 'javascript']);8console.log(result.value);9const {highlightAuto} = require('playwright/lib/utils/highlight');10const code = `const a = 1`;11const result = highlightAuto(code, ['js', 'javascript'], 'js');12console.log(result.value);13const {highlightAuto} = require('playwright/lib/utils/highlight');14const code = `const a = 1`;15const result = highlightAuto(code, ['js', 'javascript'], 'js', true);16console.log(result.value);17const {highlightAuto} = require('playwright/lib/utils/highlight');18const code = `const a = 1`;19const result = highlightAuto(code, ['js', 'javascript'], 'js', true, true);20console.log(result.value);21const {highlightAuto} = require('playwright/lib/utils/highlight');22const code = `const a = 1`;23const result = highlightAuto(code, ['js', 'javascript'], 'js', true, true, true);24console.log(result.value);25const {highlightAuto} = require('playwright/lib/utils/highlight');26const code = `const a = 1`;27const result = highlightAuto(code, ['js', 'javascript'], 'js', true, true, true, true);28console.log(result.valueUsing AI Code Generation
1const { highlightAuto } = require('playwright/lib/utils/highlight');2const code = 'const x = 10;';3const language = highlightAuto(code).language;4console.log(language);5const { highlightAuto } = require('playwright/lib/utils/highlight');6const code = 'const x = 10;';7const language = highlightAuto(code).language;8console.log(language);9const { highlightAuto } = require('playwright/lib/utils/highlight');10const code = 'const x = 10;';11const language = highlightAuto(code).language;12console.log(language);13const { highlightAuto } = require('playwright/lib/utils/highlight');14const code = 'const x = 10;';15const language = highlightAuto(code).language;16console.log(language);17const { highlightAuto } = require('playwright/lib/utils/highlight');18const code = 'const x = 10;';19const language = highlightAuto(code).language;20console.log(language);21const { highlightAuto } = require('playwright/lib/utils/highlight');22const code = 'const x = 10;';23const language = highlightAuto(code).language;24console.log(language);25const { highlightAuto } = require('playwright/lib/utils/highlight');26const code = 'const x = 10;';27const language = highlightAuto(code).language;28console.log(language);29const { highlightAuto } = require('playwright/lib/utils/highlight');30const code = 'const x = 10;';31const language = highlightAuto(code).language;32console.log(language);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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