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How to use requestViaImage method in wpt

Best JavaScript code snippet using wpt

common.js

Source:common.js

...247 *     appends it to {@code document.body} .248 * @param {string} url The src for the image.249 * @return {Promise} The promise for success/error events.250 */251function requestViaImage(url) {252  return createRequestViaElement("img", {"src": url}, document.body);253}254// Helpers for requestViaImageForReferrerPolicy().255function loadImageInWindow(src, attributes, w) {256  return new Promise((resolve, reject) => {257    var image = new w.Image();258    image.crossOrigin = "Anonymous";259    image.onload = function() {260      resolve(image);261    };262    // Extend element with attributes. (E.g. "referrerPolicy" or "rel")263    if (attributes) {264      for (var attr in attributes) {265        image[attr] = attributes[attr];266      }267    }268    image.src = src;269    w.document.body.appendChild(image)270  });271}272function extractImageData(img) {273    var canvas = document.createElement("canvas");274    var context = canvas.getContext('2d');275    context.drawImage(img, 0, 0);276    var imgData = context.getImageData(0, 0, img.clientWidth, img.clientHeight);277    return imgData.data;278}279function decodeImageData(rgba) {280  let decodedBytes = new Uint8ClampedArray(rgba.length);281  let decodedLength = 0;282  for (var i = 0; i + 12 <= rgba.length; i += 12) {283    // A single byte is encoded in three pixels. 8 pixel octets (among284    // 9 octets = 3 pixels * 3 channels) are used to encode 8 bits,285    // the most significant bit first, where `0` and `255` in pixel values286    // represent `0` and `1` in bits, respectively.287    // This encoding is used to avoid errors due to different color spaces.288    const bits = [];289    for (let j = 0; j < 3; ++j) {290      bits.push(rgba[i + j * 4 + 0]);291      bits.push(rgba[i + j * 4 + 1]);292      bits.push(rgba[i + j * 4 + 2]);293      // rgba[i + j * 4 + 3]: Skip alpha channel.294    }295    // The last one element is not used.296    bits.pop();297    // Decode a single byte.298    let byte = 0;299    for (let j = 0; j < 8; ++j) {300      byte <<= 1;301      if (bits[j] >= 128)302        byte |= 1;303    }304    // Zero is the string terminator.305    if (byte == 0)306      break;307    decodedBytes[decodedLength++] = byte;308  }309  // Remove trailing nulls from data.310  decodedBytes = decodedBytes.subarray(0, decodedLength);311  var string_data = (new TextDecoder("ascii")).decode(decodedBytes);312  return JSON.parse(string_data);313}314// A variant of requestViaImage for referrer policy tests.315// This tests many patterns of <iframe>s to test referrer policy inheritance.316// TODO(https://crbug.com/906850): Merge this into requestViaImage().317// <iframe>-related code should be moved outside requestViaImage*().318function requestViaImageForReferrerPolicy(url, attributes, referrerPolicy) {319  // For images, we'll test:320  // - images in a `srcdoc` frame to ensure that it uses the referrer321  //   policy of its parent,322  // - images in a top-level document,323  // - and images in a `srcdoc` frame with its own referrer policy to324  //   override its parent.325  var iframeWithoutOwnPolicy = document.createElement('iframe');326  var noSrcDocPolicy = new Promise((resolve, reject) => {327        iframeWithoutOwnPolicy.srcdoc = "Hello, world.";328        iframeWithoutOwnPolicy.onload = resolve;329        document.body.appendChild(iframeWithoutOwnPolicy);330      })...

Using AI Code Generation

1var wpt = require('webpagetest');2var wpt = new WebPageTest('www.webpagetest.org');3    if (err) {4        console.log(err);5    } else {6        console.log(data);7    }8});9var wpt = require('webpagetest');10var wpt = new WebPageTest('www.webpagetest.org');11    if (err) {12        console.log(err);13    } else {14        console.log(data);15    }16});17var wpt = require('webpagetest');18var wpt = new WebPageTest('www.webpagetest.org');19    if (err) {20        console.log(err);21    } else {22        console.log(data);23    }24});25var wpt = require('webpagetest');26var wpt = new WebPageTest('www.webpagetest.org');27    if (err) {28        console.log(err);29    } else {30        console.log(data);31    }32});33var wpt = require('webpagetest');34var wpt = new WebPageTest('www.webpagetest.org');35wpt.getLocations(function(err, data) {36    if (err) {37        console.log(err);38    } else {39        console.log(data);40    }41});42var wpt = require('webpagetest');43var wpt = new WebPageTest('www.webpagetest.org');44wpt.getTesters(function(err, data) {45    if (err) {46        console.log(err);47    } else {48        console.log(data);49    }50});51var wpt = require('webpag

Using AI Code Generation

1var wpt = require('webpagetest');2var options = {3        settings: {4        }5    }6};7wpt.requestViaImage(options, function(err, data) {8    if (err) {9        console.log('Error: ' + err);10    } else {11        console.log(data);12    }13});14var wpt = require('webpagetest');15var options = {16        settings: {17        }18    }19};20wpt.request(options, function(err, data) {21    if (err) {22        console.log('Error: ' + err);23    } else {24        console.log(data);25    }26});

Using AI Code Generation

1var wpt = require('wpt-api');2var wpt = new wpt('API_KEY');3  if (err) {4    console.log(err);5  } else {6    console.log(data);7  }8});

Using AI Code Generation

1var wpt = {2	requestViaImage: function(url) {3		var image = new Image();4	}5};6return wpt;7var wpt = (function() {8	var image = new Image();9	return {10		requestViaImage: function(url) {11		}12	}13})();14return wpt;

Using AI Code Generation

1var wpt = require('webpagetest');2var test = wpt('www.webpagetest.org');3var options = {4};5test.runTest(options, function(err, data) {6    if (err) return console.error(err);7    console.log(data);8});9var request = require('request');10var fs = require('fs');11var wpt = require('webpagetest');12var test = wpt('www.webpagetest.org');13var options = {14};15test.runTest(options, function(err, data) {16    if (err) return console.error(err);17    console.log(data);18});19var request = require('request');20var fs = require('fs');

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