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How to use convertToDisjointRanges method in Playwright Internal

Best JavaScript code snippet using playwright-internal

Coverage.js

Source:Coverage.js

...130        continue;131      const flattenRanges = [];132      for (const func of entry.functions)133        flattenRanges.push(...func.ranges);134      const ranges = convertToDisjointRanges(flattenRanges);135      coverage.push({url, ranges, text});136    }137    return coverage;138  }139}140class CSSCoverage {141  /**142   * @param {!Puppeteer.CDPSession} client143   */144  constructor(client) {145    this._client = client;146    this._enabled = false;147    this._stylesheetURLs = new Map();148    this._stylesheetSources = new Map();149    this._eventListeners = [];150    this._resetOnNavigation = false;151  }152  /**153   * @param {!Object} options154   */155  async start(options = {}) {156    console.assert(!this._enabled, 'CSSCoverage is already enabled');157    this._resetOnNavigation = options.resetOnNavigation === undefined ? true : !!options.resetOnNavigation;158    this._enabled = true;159    this._stylesheetURLs.clear();160    this._stylesheetSources.clear();161    this._eventListeners = [162      helper.addEventListener(this._client, 'CSS.styleSheetAdded', this._onStyleSheet.bind(this)),163      helper.addEventListener(this._client, 'Runtime.executionContextsCleared', this._onExecutionContextsCleared.bind(this)),164    ];165    await Promise.all([166      this._client.send('DOM.enable'),167      this._client.send('CSS.enable'),168      this._client.send('CSS.startRuleUsageTracking'),169    ]);170  }171  _onExecutionContextsCleared() {172    if (!this._resetOnNavigation)173      return;174    this._stylesheetURLs.clear();175    this._stylesheetSources.clear();176  }177  /**178   * @param {!Object} event179   */180  async _onStyleSheet(event) {181    const header = event.header;182    // Ignore anonymous scripts183    if (!header.sourceURL)184      return;185    try {186      const response = await this._client.send('CSS.getStyleSheetText', {styleSheetId: header.styleSheetId});187      this._stylesheetURLs.set(header.styleSheetId, header.sourceURL);188      this._stylesheetSources.set(header.styleSheetId, response.text);189    } catch (e) {190      // This might happen if the page has already navigated away.191      debugError(e);192    }193  }194  /**195   * @return {!Promise<!Array<!CoverageEntry>>}196   */197  async stop() {198    console.assert(this._enabled, 'CSSCoverage is not enabled');199    this._enabled = false;200    const [ruleTrackingResponse] = await Promise.all([201      this._client.send('CSS.stopRuleUsageTracking'),202      this._client.send('CSS.disable'),203      this._client.send('DOM.disable'),204    ]);205    helper.removeEventListeners(this._eventListeners);206    // aggregate by styleSheetId207    const styleSheetIdToCoverage = new Map();208    for (const entry of ruleTrackingResponse.ruleUsage) {209      let ranges = styleSheetIdToCoverage.get(entry.styleSheetId);210      if (!ranges) {211        ranges = [];212        styleSheetIdToCoverage.set(entry.styleSheetId, ranges);213      }214      ranges.push({215        startOffset: entry.startOffset,216        endOffset: entry.endOffset,217        count: entry.used ? 1 : 0,218      });219    }220    const coverage = [];221    for (const styleSheetId of this._stylesheetURLs.keys()) {222      const url = this._stylesheetURLs.get(styleSheetId);223      const text = this._stylesheetSources.get(styleSheetId);224      const ranges = convertToDisjointRanges(styleSheetIdToCoverage.get(styleSheetId) || []);225      coverage.push({url, ranges, text});226    }227    return coverage;228  }229}230/**231 * @param {!Array<!{startOffset:number, endOffset:number, count:number}>} nestedRanges232 * @return {!Array<!{start:number, end:number}>}233 */234function convertToDisjointRanges(nestedRanges) {235  const points = [];236  for (const range of nestedRanges) {237    points.push({ offset: range.startOffset, type: 0, range });238    points.push({ offset: range.endOffset, type: 1, range });239  }240  // Sort points to form a valid parenthesis sequence.241  points.sort((a, b) => {242    // Sort with increasing offsets.243    if (a.offset !== b.offset)244      return a.offset - b.offset;245    // All "end" points should go before "start" points.246    if (a.type !== b.type)247      return b.type - a.type;248    const aLength = a.range.endOffset - a.range.startOffset;...

cssHandler.js

Source:cssHandler.js

...31      this._stylesheetURLs.clear();32      this._stylesheetSources.clear();33    });34  }35  async convertToDisjointRanges(nestedRanges) {36    const points = [];37    for (const range of nestedRanges) {38      points.push({ offset: range.startOffset, type: 0, range });39      points.push({ offset: range.endOffset, type: 1, range });40    }41    // Sort points to form a valid parenthesis sequence.42    points.sort((a, b) => {43      // Sort with increasing offsets.44      if (a.offset !== b.offset) return a.offset - b.offset;45      // All "end" points should go before "start" points.46      if (a.type !== b.type) return b.type - a.type;47      const aLength = a.range.endOffset - a.range.startOffset;48      const bLength = b.range.endOffset - b.range.startOffset;49      // For two "start" points, the one with longer range goes first.50      if (a.type === 0) return bLength - aLength;51      // For two "end" points, the one with shorter range goes first.52      return aLength - bLength;53    });54    const hitCountStack = [];55    const results = [];56    let lastOffset = 0;57    // Run scanning line to intersect all ranges.58    for (const point of points) {59      if (60        hitCountStack.length &&61        lastOffset < point.offset &&62        hitCountStack[hitCountStack.length - 1] > 063      ) {64        const lastResult = results.length ? results[results.length - 1] : null;65        if (lastResult && lastResult.end === lastOffset)66          lastResult.end = point.offset;67        else results.push({ start: lastOffset, end: point.offset });68      }69      lastOffset = point.offset;70      if (point.type === 0) hitCountStack.push(point.range.count);71      else hitCountStack.pop();72    }73    // Filter out empty ranges.74    return results.filter(range => range.end - range.start > 1);75  }76  async stopCssTracking() {77    assert(this._enabled, 'CSS Coverage has not started!!');78    let cssResults = await this.css.stopRuleUsageTracking();79    await Promise.all([this.css.disable()]);80    this._enabled = false;81    const styleSheetIdToCoverage = new Map();82    for (const entry of cssResults.ruleUsage) {83      let ranges = styleSheetIdToCoverage.get(entry.styleSheetId);84      if (!ranges) {85        ranges = [];86        styleSheetIdToCoverage.set(entry.styleSheetId, ranges);87      }88      ranges.push({89        startOffset: entry.startOffset,90        endOffset: entry.endOffset,91        count: entry.used ? 1 : 092      });93    }94    const cssCoverage = [];95    for (const styleSheetId of this._stylesheetURLs.keys()) {96      const url = this._stylesheetURLs.get(styleSheetId);97      const text = this._stylesheetSources.get(styleSheetId);98      const ranges = await this.convertToDisjointRanges(99        styleSheetIdToCoverage.get(styleSheetId) || []100      );101      cssCoverage.push({ url, ranges, text });102    }103    const coverageAfter = [104      ...cssCoverage.map(results => ({105        ...results,106        type: 'CSS'107      }))108    ];109    const result = await formatCoverage(coverageAfter);110    return result;111  }112  async prettyCss(coverage) {...

JSCoverage.js

Source:JSCoverage.js

...101      const text = this._scriptSources.get(entry.scriptId)102      if (text === undefined || url === undefined) continue103      const flattenRanges = []104      for (const func of entry.functions) flattenRanges.push(...func.ranges)105      const ranges = convertToDisjointRanges(flattenRanges)106      coverage.push({ url, ranges, text })107    }108    return coverage109  }110}...

CSSCoverage.js

Source:CSSCoverage.js

...94    const coverage = []95    for (const styleSheetId of this._stylesheetURLs.keys()) {96      const url = this._stylesheetURLs.get(styleSheetId)97      const text = this._stylesheetSources.get(styleSheetId)98      const ranges = convertToDisjointRanges(99        styleSheetIdToCoverage.get(styleSheetId) || []100      )101      coverage.push({ url, ranges, text })102    }103    return coverage104  }105}...

util.js

Source:util.js

...8      merged[entry.url].ranges.push(...entry.ranges);9    }10  }11  Object.values(merged).forEach(entry => {12    entry.range = convertToDisjointRanges(entry.ranges);13  });14  return Object.values(merged);15};16// https://github.com/GoogleChrome/puppeteer/blob/83c327a0f6b343865304059dd09323e4f8285217/lib/Coverage.js#L26917/**18 * @param {!Array<!{startOffset:number, endOffset:number, count:number}>} nestedRanges19 * @return {!Array<!{start:number, end:number}>}20 */21function convertToDisjointRanges(nestedRanges) {22  const points = [];23  for (const range of nestedRanges) {24    points.push({ offset: range.startOffset, type: 0, range });25    points.push({ offset: range.endOffset, type: 1, range });26  }27  // Sort points to form a valid parenthesis sequence.28  points.sort((a, b) => {29    // Sort with increasing offsets.30    if (a.offset !== b.offset) return a.offset - b.offset;31    // All "end" points should go before "start" points.32    if (a.type !== b.type) return b.type - a.type;33    const aLength = a.range.endOffset - a.range.startOffset;34    const bLength = b.range.endOffset - b.range.startOffset;35    // For two "start" points, the one with longer range goes first....

Using AI Code Generation

1const { convertToDisjointRanges } = require('playwright/lib/utils/convertToDisjointRanges');2const { chromium } = require('playwright');3(async () => {4  const browser = await chromium.launch();5  const page = await browser.newPage();6  const ranges = await page.evaluate(() => {7    const text = 'Hello world';8    const element = document.querySelector('body');9    const regex = new RegExp(text, 'g');10    let match;11    const ranges = [];12    while ((match = regex.exec(element.textContent)) !== null) {13      const start = match.index;14      const end = start + text.length;15      ranges.push({start, end});16    }17    return ranges;18  });19  const disjointRanges = convertToDisjointRanges(ranges);20  await page.addScriptTag({content: `window.findInPage = ${findInPage.toString()}`});21  await page.evaluate((disjointRanges) => {22    window.findInPage(disjointRanges);23  }, disjointRanges);24  await page.screenshot({ path: `example.png` });25  await browser.close();26})();27function findInPage(disjointRanges) {28      ::selection {29        background-color: #ADD8E6;30        color: #000;31      }32      ::-moz-selection {33        background-color: #ADD8E6;34        color: #000;35      }36    `;37    const style = document.createElement('style');38    style.appendChild(document.createTextNode(css));39    document.body.appendChild(style);40    let currentRange = 0;41    function jumpToNextRange() {42      if (!disjointRanges.length || currentRange === disjointRanges.length)43        return;44      const range = disjointRanges[currentRange++];45      const node = document.caretRangeFromPoint(range.start, 0).startContainer;46      const selection = window.getSelection();47      selection.removeAllRanges();48      const rangeObj = new Range();49      rangeObj.setStart(node, range.start);50      rangeObj.setEnd(node, range.end);51      selection.addRange(rangeObj);52    }53    jumpToNextRange();54    document.addEventListener('keydown', (e) => {55      if (e.key === 'ArrowDown') {56        jumpToNextRange();57        e.preventDefault();58      }59    });60  }

Using AI Code Generation

1const { convertToDisjointRanges } = require('playwright/lib/server/supplements/recorder/recorderSupplement.js');2const ranges = convertToDisjointRanges([0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128]);3console.log(ranges);4  { start: 0, end: 128 }5const { convertToDisjointRanges } = require('playwright/lib/server/supplements/recorder/recorderSupplement.js');6const ranges = convertToDisjointRanges([0,

Using AI Code Generation

1const { convertToDisjointRanges } = require('playwright-core/lib/server/supplements/recorder/recorderUtils');2const ranges = convertToDisjointRanges([[1, 3], [2, 4], [5, 6]]);3console.log(ranges);4const { convertToDisjointRanges } = require('playwright-core/lib/server/supplements/recorder/recorderUtils');5const ranges = convertToDisjointRanges([[1, 3], [2, 4], [5, 6]]);6console.log(ranges);

Using AI Code Generation

1const { convertToDisjointRanges } = require('playwright-core/lib/utils/convertToDisjointRanges');2const { test } = require('@playwright/test');3test('test', async ({ page }) => {4  const ranges = convertToDisjointRanges([[1, 2], [3, 5], [4, 5], [6, 7]]);5  console.log(ranges);6});7const { test } = require('@playwright/test');8const { convertToDisjointRanges } = require('playwright-core/lib/utils/convertToDisjointRanges');9test('test', async ({ page }) => {10  const ranges = convertToDisjointRanges([[1, 2], [3, 5], [4, 5], [6, 7]]);11  console.log(ranges);12});13The Playwright team is happy to accept contributions. Please see [CONTRIBUTING.md](

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