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How to use computeQuadArea method in Puppeteer

Best JavaScript code snippet using puppeteer

JSHandle.js

Source:JSHandle.js

...356    }).catch(debugError);357    if (!result || !result.quads.length)358      throw new Error('Node is either not visible or not an HTMLElement');359    // Filter out quads that have too small area to click into.360    const quads = result.quads.filter(quad => computeQuadArea(quad) > 1);361    if (!quads.length)362      throw new Error('Node is either not visible or not an HTMLElement');363    // Return the middle point of the first quad.364    return computeQuadCenter(quads[0]);365  }366}367function createHandle(context, result, exceptionDetails) {368  const frame = context.frame();369  if (exceptionDetails) {370    if (exceptionDetails.value)371      throw new Error('Evaluation failed: ' + JSON.stringify(exceptionDetails.value));372    else373      throw new Error('Evaluation failed: ' + exceptionDetails.text + '\n' + exceptionDetails.stack);374  }375  return result.subtype === 'node' ? new ElementHandle(frame, context, result) : new JSHandle(context, result);376}377function computeQuadArea(quad) {378  // Compute sum of all directed areas of adjacent triangles379  // https://en.wikipedia.org/wiki/Polygon#Simple_polygons380  let area = 0;381  const points = [quad.p1, quad.p2, quad.p3, quad.p4];382  for (let i = 0; i < points.length; ++i) {383    const p1 = points[i];384    const p2 = points[(i + 1) % points.length];385    area += (p1.x * p2.y - p2.x * p1.y) / 2;386  }387  return Math.abs(area);388}389function computeQuadCenter(quad) {390  let x = 0, y = 0;391  for (const point of [quad.p1, quad.p2, quad.p3, quad.p4]) {...

ElementHandle.js

Source:ElementHandle.js

...84    }).catch(debugError);85    if (!result || !result.quads.length)86      throw new Error('Node is either not visible or not an HTMLElement');87    // Filter out quads that have too small area to click into.88    const quads = result.quads.map(quad => this._fromProtocolQuad(quad)).filter(quad => computeQuadArea(quad) > 1);89    if (!quads.length)90      throw new Error('Node is either not visible or not an HTMLElement');91    // Return the middle point of the first quad.92    const quad = quads[0];93    let x = 0;94    let y = 0;95    for (const point of quad) {96      x += point.x;97      y += point.y;98    }99    return {100      x: x / 4,101      y: y / 4102    };103  }104  /**105   * @return {!Promise<void|Protocol.DOM.getBoxModelReturnValue>}106   */107  _getBoxModel() {108    return this._client.send('DOM.getBoxModel', {109      objectId: this._remoteObject.objectId110    }).catch(error => debugError(error));111  }112  /**113   * @param {!Array<number>} quad114   * @return {!Array<object>}115   */116  _fromProtocolQuad(quad) {117    return [118      {x: quad[0], y: quad[1]},119      {x: quad[2], y: quad[3]},120      {x: quad[4], y: quad[5]},121      {x: quad[6], y: quad[7]}122    ];123  }124  async hover() {125    await this._scrollIntoViewIfNeeded();126    const {x, y} = await this._clickablePoint();127    await this._page.mouse.move(x, y);128  }129  /**130   * @param {!Object=} options131   */132  async click(options = {}) {133    await this._scrollIntoViewIfNeeded();134    const {x, y} = await this._clickablePoint();135    await this._page.mouse.click(x, y, options);136  }137  /**138   * @param {!Array<string>} filePaths139   * @return {!Promise}140   */141  async uploadFile(...filePaths) {142    const files = filePaths.map(filePath => path.resolve(filePath));143    const objectId = this._remoteObject.objectId;144    return this._client.send('DOM.setFileInputFiles', { objectId, files });145  }146  async tap() {147    await this._scrollIntoViewIfNeeded();148    const {x, y} = await this._clickablePoint();149    await this._page.touchscreen.tap(x, y);150  }151  async focus() {152    await this.executionContext().evaluate(element => element.focus(), this);153  }154  /**155   * @param {string} text156   * @param {{delay: (number|undefined)}=} options157   */158  async type(text, options) {159    await this.focus();160    await this._page.keyboard.type(text, options);161  }162  /**163   * @param {string} key164   * @param {!Object=} options165   */166  async press(key, options) {167    await this.focus();168    await this._page.keyboard.press(key, options);169  }170  /**171   * @return {!Promise<?{x: number, y: number, width: number, height: number}>}172   */173  async boundingBox() {174    const result = await this._getBoxModel();175    if (!result)176      return null;177    const quad = result.model.border;178    const x = Math.min(quad[0], quad[2], quad[4], quad[6]);179    const y = Math.min(quad[1], quad[3], quad[5], quad[7]);180    const width = Math.max(quad[0], quad[2], quad[4], quad[6]) - x;181    const height = Math.max(quad[1], quad[3], quad[5], quad[7]) - y;182    return {x, y, width, height};183  }184  /**185   * @return {!Promise<?object>}186   */187  async boxModel() {188    const result = await this._getBoxModel();189    if (!result)190      return null;191    const {content, padding, border, margin, width, height} = result.model;192    return {193      content: this._fromProtocolQuad(content),194      padding: this._fromProtocolQuad(padding),195      border: this._fromProtocolQuad(border),196      margin: this._fromProtocolQuad(margin),197      width,198      height199    };200  }201  /**202   *203   * @param {!Object=} options204   * @returns {!Promise<Object>}205   */206  async screenshot(options = {}) {207    let needsViewportReset = false;208    let boundingBox = await this.boundingBox();209    assert(boundingBox, 'Node is either not visible or not an HTMLElement');210    const viewport = this._page.viewport();211    if (boundingBox.width > viewport.width || boundingBox.height > viewport.height) {212      const newViewport = {213        width: Math.max(viewport.width, Math.ceil(boundingBox.width)),214        height: Math.max(viewport.height, Math.ceil(boundingBox.height)),215      };216      await this._page.setViewport(Object.assign({}, viewport, newViewport));217      needsViewportReset = true;218    }219    await this._scrollIntoViewIfNeeded();220    boundingBox = await this.boundingBox();221    assert(boundingBox, 'Node is either not visible or not an HTMLElement');222    const { layoutViewport: { pageX, pageY } } = await this._client.send('Page.getLayoutMetrics');223    const clip = Object.assign({}, boundingBox);224    clip.x += pageX;225    clip.y += pageY;226    const imageData = await this._page.screenshot(Object.assign({}, {227      clip228    }, options));229    if (needsViewportReset)230      await this._page.setViewport(viewport);231    return imageData;232  }233  /**234   * @param {string} selector235   * @return {!Promise<?ElementHandle>}236   */237  async $(selector) {238    const handle = await this.executionContext().evaluateHandle(239        (element, selector) => element.querySelector(selector),240        this, selector241    );242    const element = handle.asElement();243    if (element)244      return element;245    await handle.dispose();246    return null;247  }248  /**249   * @param {string} selector250   * @return {!Promise<!Array<!ElementHandle>>}251   */252  async $$(selector) {253    const arrayHandle = await this.executionContext().evaluateHandle(254        (element, selector) => element.querySelectorAll(selector),255        this, selector256    );257    const properties = await arrayHandle.getProperties();258    await arrayHandle.dispose();259    const result = [];260    for (const property of properties.values()) {261      const elementHandle = property.asElement();262      if (elementHandle)263        result.push(elementHandle);264    }265    return result;266  }267  /**268   * @param {string} selector269   * @param {Function|String} pageFunction270   * @param {!Array<*>} args271   * @return {!Promise<(!Object|undefined)>}272   */273  async $eval(selector, pageFunction, ...args) {274    const elementHandle = await this.$(selector);275    if (!elementHandle)276      throw new Error(`Error: failed to find element matching selector "${selector}"`);277    const result = await this.executionContext().evaluate(pageFunction, elementHandle, ...args);278    await elementHandle.dispose();279    return result;280  }281  /**282   * @param {string} selector283   * @param {Function|String} pageFunction284   * @param {!Array<*>} args285   * @return {!Promise<(!Object|undefined)>}286   */287  async $$eval(selector, pageFunction, ...args) {288    const arrayHandle = await this.executionContext().evaluateHandle(289        (element, selector) => Array.from(element.querySelectorAll(selector)),290        this, selector291    );292    const result = await this.executionContext().evaluate(pageFunction, arrayHandle, ...args);293    await arrayHandle.dispose();294    return result;295  }296  /**297   * @param {string} expression298   * @return {!Promise<!Array<!ElementHandle>>}299   */300  async $x(expression) {301    const arrayHandle = await this.executionContext().evaluateHandle(302        (element, expression) => {303          const document = element.ownerDocument || element;304          const iterator = document.evaluate(expression, element, null, XPathResult.ORDERED_NODE_ITERATOR_TYPE);305          const array = [];306          let item;307          while ((item = iterator.iterateNext()))308            array.push(item);309          return array;310        },311        this, expression312    );313    const properties = await arrayHandle.getProperties();314    await arrayHandle.dispose();315    const result = [];316    for (const property of properties.values()) {317      const elementHandle = property.asElement();318      if (elementHandle)319        result.push(elementHandle);320    }321    return result;322  }323  /**324   * @returns {!Promise<boolean>}325   */326  isIntersectingViewport() {327    return this.executionContext().evaluate(async element => {328      const visibleRatio = await new Promise(resolve => {329        const observer = new IntersectionObserver(entries => {330          resolve(entries[0].intersectionRatio);331          observer.disconnect();332        });333        observer.observe(element);334      });335      return visibleRatio > 0;336    }, this);337  }338}339function computeQuadArea(quad) {340  // Compute sum of all directed areas of adjacent triangles341  // https://en.wikipedia.org/wiki/Polygon#Simple_polygons342  let area = 0;343  for (let i = 0; i < quad.length; ++i) {344    const p1 = quad[i];345    const p2 = quad[(i + 1) % quad.length];346    area += (p1.x * p2.y - p2.x * p1.y) / 2;347  }348  return area;349}350module.exports = ElementHandle;...

Using AI Code Generation

1const puppeteer = require('puppeteer');2(async () => {3  const browser = await puppeteer.launch();4  const page = await browser.newPage();5  const result = await page.evaluate(() => {6    return Math.floor(Math.random() * 1

Using AI Code Generation

1const puppeteer = require('puppeteer');2(async () => {3    const browser = await puppeteer.launch();4    const page = await browser.newPage();5    await page.screenshot({path: 'example.png'});6    await browser.close();7})();8const puppeteer = require('puppeteer');9(async () => {10    const browser = await puppeteer.launch();11    const page = await browser.newPage();12    await page.screenshot({path: 'example.png'});13    await browser.close();14})();15const puppeteer = require('puppeteer');16(async () => {17    const browser = await puppeteer.launch();18    const page = await browser.newPage();19    await page.screenshot({path: 'example.png'});20    await browser.close();21})();22const puppeteer = require('puppeteer');23(async () => {24    const browser = await puppeteer.launch();25    const page = await browser.newPage();26    await page.screenshot({path: 'example.png'});27    await browser.close();28})();29const puppeteer = require('puppeteer');30(async () => {31    const browser = await puppeteer.launch();32    const page = await browser.newPage();33    await page.screenshot({path: 'example.png'});34    await browser.close();35})();36const puppeteer = require('puppeteer');37(async () => {38    const browser = await puppeteer.launch();39    const page = await browser.newPage();40    await page.screenshot({path: 'example.png'});41    await browser.close();42})();43const puppeteer = require('puppeteer');44(async () => {45    const browser = await puppeteer.launch();

Using AI Code Generation

1const puppeteer = require('puppeteer');2(async () => {3  const browser = await puppeteer.launch();4  const page = await browser.newPage();5  const area = await page.evaluate(() => {6    return computeQuadArea(10, 20);7  });8  console.log('Area of quad is: ', area);9  await browser.close();10})();11      function computeQuadArea(base, height) {12        return base * height;13      }14const puppeteer = require('puppeteer');15(async () => {16  const browser = await puppeteer.launch();17  const page = await browser.newPage();18  const area = await page.evaluate(() => {19    return computeQuadArea(10, 20);20  });21  console.log('Area of quad is: ', area);22  await browser.close();23})();24const puppeteer = require('puppeteer');25(async () => {26  const browser = await puppeteer.launch();27  const page = await browser.newPage();28  const area = await page.evaluate(() => {29    return computeQuadArea(10, 20);30  });31  console.log('Area of quad is: ', area);32  await browser.close();33})();

Using AI Code Generation

1const puppeteer = require('puppeteer');2(async () => {3  const browser = await puppeteer.launch();4  const page = await browser.newPage();5  const area = await page.evaluate(() => {6    const a = 3;7    const b = 4;8    const c = 5;9    const d = 6;10    return computeQuadArea(a, b, c, d);11  });12  console.log(area);13  await browser.close();14})();

Using AI Code Generation

1var puppeteer = require('puppeteer');2var browser = puppeteer.launch();3var page = browser.newPage();4var area = page.computeQuadArea({x: 0, y: 0, width: 10, height: 10});5var puppeteer = require('puppeteer');6var browser = puppeteer.launch();7var page = browser.newPage();8var area = page.computeQuadArea({x: 0, y: 0, width: 10, height: 10});9var puppeteer = require('puppeteer');10var browser = puppeteer.launch();11var page = browser.newPage();12var area = page.computeQuadArea({x: 0, y: 0, width: 10, height: 10});13var puppeteer = require('puppeteer');14var browser = puppeteer.launch();15var page = browser.newPage();16var area = page.computeQuadArea({x: 0, y: 0, width: 10, height: 10});17var puppeteer = require('puppeteer');18var browser = puppeteer.launch();19var page = browser.newPage();20var area = page.computeQuadArea({x: 0, y: 0, width: 10, height: 10});21var puppeteer = require('puppeteer');22var browser = puppeteer.launch();23var page = browser.newPage();24var area = page.computeQuadArea({x: 0, y: 0, width: 10, height: 10});25var puppeteer = require('puppeteer');26var browser = puppeteer.launch();27var page = browser.newPage();28var area = page.computeQuadArea({x: 0, y: 0, width: 10, height: 10});29var puppeteer = require('puppeteer

Using AI Code Generation

1const puppeteer = require('puppeteer');2(async () => {3  const browser = await puppeteer.launch();4  const page = await browser.newPage();5    {x: 0, y: 0},6    {x: 0, y: 100},7    {x: 100, y: 100},8    {x: 100, y: 0},9  ];10  const area = await page.evaluate(quad => {11    return window.computeQuadArea(quad);12  }, quad);13  console.log(area);14  await browser.close();15})();

Using AI Code Generation

1const puppeteer = require('puppeteer');2const fs = require('fs');3const path = require('path');4const { computeQuadArea } = require('puppeteer/lib/cjs/puppeteer/common/EvalTypes.js');5const dir = path.resolve(__dirname, 'screenshots');6if (!fs.existsSync(dir)) {7  fs.mkdirSync(dir);8}9(async () => {10  const browser = await puppeteer.launch();11  const page = await browser.newPage();12  await page.screenshot({ path: path.join(dir, 'example.png') });13  await browser.close();14})();15const puppeteer = require('puppeteer');16const fs = require('fs');17const path = require('path');18const { computeQuadArea } = require('puppeteer/lib/cjs/puppeteer/common/EvalTypes.js');19const dir = path.resolve(__dirname, 'screenshots');20if (!fs.existsSync(dir)) {21  fs.mkdirSync(dir);22}23(async () => {24  const browser = await puppeteer.launch();25  const page = await browser.newPage();26  await page.screenshot({ path: path.join(dir, 'example.png') });27  await browser.close();28})();29const puppeteer = require('puppeteer');30const fs = require('fs');31const path = require('path');32const { computeQuadArea } = require('puppeteer/lib/cjs/puppeteer/common/EvalTypes.js');33const dir = path.resolve(__dirname, 'screenshots');34if (!fs.existsSync(dir)) {35  fs.mkdirSync(dir);36}37(async () => {38  const browser = await puppeteer.launch();39  const page = await browser.newPage();40  await page.screenshot({ path: path.join(dir, 'example.png') });41  await browser.close();42})();43const puppeteer = require('puppeteer');44const fs = require('fs');45const path = require('path');

Using AI Code Generation

1const puppeteer = require('puppeteer');2const computeQuadArea = require('./computeQuadArea');3(async () => {4const browser = await puppeteer.launch();5const page = await browser.newPage();6const area = await computeQuadArea(page, 10, 2);7console.log(area);8await browser.close();9})();10module.exports = async (page, base, height) => {11await page.goto(`data:text/html,12const base = 10;13const height = 2;14const area = (base * height) / 2;15document.write('Area of the triangle:' + area);16</script>`);17const area = await page.evaluate(() => {18const areaElement = document.querySelector('h3');19return areaElement.textContent;20});21return area;22};23const puppeteer = require('puppeteer');24const computeQuadArea = require('./computeQuadArea');25(async () => {26const browser = await puppeteer.launch();27const page = await browser.newPage();28const area = await computeQuadArea(browser, 10, 2);29console.log(area);30await browser.close();31})();32module.exports = async (browser, base, height) => {33const page = await browser.newPage();34await page.goto(`data:text/html,35const base = 10;36const height = 2;37const area = (base * height) / 2;38document.write('Area of the triangle:' + area);39</script>`);40const area = await page.evaluate(() => {41const areaElement = document.querySelector('h3');42return areaElement.textContent;43});44return area;45};

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