How to use computeQuadCenter method in Puppeteer

Best JavaScript code snippet using puppeteer

JSHandle.js

Source: JSHandle.js Github

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...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]) {392 x += point.x;393 y += point.y;394 }395 return {x: x /​ 4, y: y /​ 4};396}...

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Using AI Code Generation

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1const puppeteer = require('puppeteer');2(async () => {3 const browser = await puppeteer.launch();4 const page = await browser.newPage();5 const quad = await page.evaluate(() => {6 const element = document.querySelector('h1');7 const rect = element.getBoundingClientRect();8 { x: rect.left, y: rect.top },9 { x: rect.right, y: rect.top },10 { x: rect.right, y: rect.bottom },11 { x: rect.left, y: rect.bottom },12 ];13 });14 console.log(await page.evaluate(quad => window.computeQuadCenter(quad), quad));15 await browser.close();16})();

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Using AI Code Generation

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1const puppeteer = require('puppeteer');2(async () => {3 const browser = await puppeteer.launch({4 });5 const page = await browser.newPage();6 const rect = await page.evaluate(() => {7 const element = document.querySelector('input[name="q"]');8 const { x, y, width, height } = element.getBoundingClientRect();9 return { x, y, width, height };10 });11 console.log(rect);12 const center = await page.evaluate(13 (rect) => {14 return window.computeQuadCenter(rect);15 },16 );17 console.log(center);18 await page.mouse.move(center.x, center.y);19 await page.mouse.down();20 await page.mouse.up();21 await page.keyboard.type('Hello World');22 await page.keyboard.press('Enter');23 await page.waitForTimeout(5000);24 await browser.close();25})();

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Using AI Code Generation

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

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Using AI Code Generation

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1const puppeteer = require('puppeteer');2(async () => {3 const browser = await puppeteer.launch();4 const page = await browser.newPage();5 const quad = await page.evaluate(() => {6 const div = document.createElement('div');7 div.style.width = '100px';8 div.style.height = '100px';9 div.style.border = '10px solid red';10 div.style.boxSizing = 'border-box';11 document.body.appendChild(div);12 const quad = div.getBoxQuads({relativeTo: document})[0];13 return quad;14 });15 const x = (quad.p1.x + quad.p2.x + quad.p3.x + quad.p4.x) /​ 4;16 const y = (quad.p1.y + quad.p2.y + quad.p3.y + quad.p4.y) /​ 4;17 console.log(`Quad center is at (${x}, ${y})`);18 await browser.close();19})();20const puppeteer = require('puppeteer');21(async () => {22 const browser = await puppeteer.launch();23 const page = await browser.newPage();24 await page.pdf({path: 'google.pdf', format: 'A4'});25 await browser.close();26})();27const puppeteer = require('puppeteer');28(async () => {29 const browser = await puppeteer.launch();30 const page = await browser.newPage();31 await page.screenshot({path: 'google.png'});32 await browser.close();33})();34const puppeteer = require('puppeteer');35(async () => {36 const browser = await puppeteer.launch();37 const page = await browser.newPage();38 await page.pdf({path: 'google.pdf', format: 'A4'});39 await page.screenshot({path: 'google.png'});40 await browser.close();41})();42const puppeteer = require('puppet

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Using AI Code Generation

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1(async () => {2 const browser = await puppeteer.launch();3 const page = await browser.newPage();4 const center = await page.evaluate(() => {5 const {x, y} = new window.IntersectionObserverEntry({}).computeQuadCenter([6 ]);7 return {x, y};8 });9 console.log(center);10 await browser.close();11})();12{ x: 0.5, y: 0.5 }

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Using AI Code Generation

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1const puppeteer = require('puppeteer');2const path = require('path');3const fs = require('fs');4const { createObjectCsvWriter } = require('csv-writer');5const csvWriter = createObjectCsvWriter({6 {id: 'x', title: 'X'},7 {id: 'y', title: 'Y'},8});9(async () => {10 const browser = await puppeteer.launch();11 const page = await browser.newPage();12 const input = await page.$('input[name="q"]');13 const box = await input.boundingBox();14 const center = await page.evaluate((box) => {15 return {16 };17 }, box);18 console.log(center);19 await csvWriter.writeRecords([center]);20 await browser.close();21})();

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Using AI Code Generation

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1const puppeteer = require('puppeteer');2const fs = require('fs');3const path = require('path');4const { computeQuadCenter } = require('puppeteer/​lib/​PDFPageViewport');5(async() => {6 const browser = await puppeteer.launch();7 const page = await browser.newPage();8 const pdf = await page.pdf({9 });10 fs.writeFileSync(path.join(__dirname, 'test.pdf'), pdf);11 await browser.close();12})();13const puppeteer = require('puppeteer');14const fs = require('fs');15const path = require('path');16const { computeQuadCenter } = require('puppeteer/​lib/​PDFPageViewport');17(async() => {18 const browser = await puppeteer.launch();19 const page = await browser.newPage();20 const pdf = await page.pdf({21 });22 fs.writeFileSync(path.join(__dirname, 'test.pdf'), pdf);23 await browser.close();24})();25const puppeteer = require('puppeteer');26const fs = require('fs');27const path = require('path');28const { computeQuadCenter } = require('puppeteer/​lib/​PDFPageViewport');29(async() => {30 const browser = await puppeteer.launch();31 const page = await browser.newPage();32 const pdf = await page.pdf({33 });34 fs.writeFileSync(path.join(__dirname, 'test.pdf'), pdf);35 await browser.close();36})();

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Using AI Code Generation

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1const puppeteer = require('puppeteer');2const fs = require('fs');3const path = require('path');4const { getQuadCenter } = require('puppeteer/​lib/​common/​PDFOptions');5(async () => {6 const browser = await puppeteer.launch();7 const page = await browser.newPage();8 await page.pdf({ path: 'hn.pdf', format: 'A4' });9 const pdfBuffer = fs.readFileSync(path.resolve(__dirname, 'hn.pdf'));10 const quad = await getQuadCenter(pdfBuffer, 1, 1, 2, 2);11 console.log(quad);12 await browser.close();13})();14{ x: 177.5, y: 177.5 }15const puppeteer = require('puppeteer');16const fs = require('fs');17const path = require('path');18const { getQuadPoints } = require('puppeteer/​lib/​common/​PDFOptions');19(async () => {20 const browser = await puppeteer.launch();21 const page = await browser.newPage();22 await page.pdf({ path: 'hn.pdf', format: 'A4' });23 const pdfBuffer = fs.readFileSync(path.resolve(__dirname, 'hn.pdf'));24 const quad = await getQuadPoints(pdfBuffer, 1, 1, 2, 2);25 console.log(quad);26 await browser.close();27})();28{29}30const puppeteer = require('puppeteer');31const fs = require('fs');32const path = require('path');33const { getPageSizeInPixels }

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Using AI Code Generation

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1const puppeteer = require('puppeteer');2const fs = require('fs');3(async () => {4 const browser = await puppeteer.launch({5 });6 const page = await browser.newPage();7 await page.waitForSelector('div.gLFyf.gsfi');8 const element = await page.$('div.gLFyf.gsfi');9 const box = await element.boundingBox();10 const center = await page.evaluate((box) => {11 return {12 }13 }, box);14 await page.mouse.click(center.x, center.y);15 await page.waitForSelector('input.gNO89b');16 const element2 = await page.$('input.gNO89b');17 const box2 = await element2.boundingBox();18 const center2 = await page.evaluate((box2) => {19 return {20 }21 }, box2);22 await page.mouse.click(center2.x, center2.y);23 await page.waitForSelector('div#result-stats');24 const element3 = await page.$('div#result-stats');25 const box3 = await element3.boundingBox();26 const center3 = await page.evaluate((box3) => {27 return {28 }29 }, box3);30 await page.mouse.click(center3.x, center3.y);31 await page.waitForSelector('div#result-stats');32 const element4 = await page.$('div#result-stats');33 const box4 = await element4.boundingBox();34 const center4 = await page.evaluate((box4) => {35 return {36 }37 }, box4);38 await page.mouse.click(center4.x, center4.y);39 await page.waitForSelector('a

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Try it:

    const puppeteer = require('puppeteer');
    puppeteer.launch({ignoreHTTPSErrors: true, headless: false}).then(async browser => {
    const page = await browser.newPage();
    console.log(2);
    await page.setViewport({ width: 500, height: 400 });
    console.log(3)
    const res = await page.goto('https://apps.realmail.dk/scratchcards/eovendo/gui/index.php?UserId=60sEBfXq6wNExN4%2bn9YSBw%3d%3d&ServiceId=f147263e75262ecc82d695e795a32f4d');
    console.log(4)
    await page.waitForFunction('document.querySelector(".eo-validation-code").innerText.length == 32').catch(err => console.log(err)); 
https://stackoverflow.com/questions/51937939/puppeteer-evaluation-failed-syntaxerror-invalid-or-unexpcted-token

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