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How to use lengthLength method in wpt

Best JavaScript code snippet using wpt

rlp.js

Source:rlp.js

1//See: https://github.com/ethereum/wiki/wiki/RLP2var convert = require('./convert.js');3function arrayifyInteger(value) {4    var result = [];5    while (value) {6        result.unshift(value & 0xff);7        value >>= 8;8    }9    return result;10}11function unarrayifyInteger(data, offset, length) {12    var result = 0;13    for (var i = 0; i < length; i++) {14        result = (result * 256) + data[offset + i];15    }16    return result;17}18function _encode(object) {19    if (Array.isArray(object)) {20        var payload = [];21        object.forEach(function(child) {22            payload = payload.concat(_encode(child));23        });24        if (payload.length <= 55) {25            payload.unshift(0xc0 + payload.length)26            return payload;27        }28        var length = arrayifyInteger(payload.length);29        length.unshift(0xf7 + length.length);30        return length.concat(payload);31    } else {32        object = [].slice.call(convert.arrayify(object));33        if (object.length === 1 && object[0] <= 0x7f) {34            return object;35        } else if (object.length <= 55) {36            object.unshift(0x80 + object.length);37            return object38        }39        var length = arrayifyInteger(object.length);40        length.unshift(0xb7 + length.length);41        return length.concat(object);42    }43}44function encode(object) {45    return convert.hexlify(_encode(object));46}47function _decodeChildren(data, offset, childOffset, length) {48    var result = [];49    while (childOffset < offset + 1 + length) {50        var decoded = _decode(data, childOffset);51        result.push(decoded.result);52        childOffset += decoded.consumed;53        if (childOffset > offset + 1 + length) {54            throw new Error('invalid rlp');55        }56    }57    return {consumed: (1 + length), result: result};58}59// returns { consumed: number, result: Object }60function _decode(data, offset) {61    if (data.length === 0) { throw new Error('invalid rlp data'); }62    // Array with extra length prefix63    if (data[offset] >= 0xf8) {64        var lengthLength = data[offset] - 0xf7;65        if (offset + 1 + lengthLength > data.length) {66            throw new Error('too short');67        }68        var length = unarrayifyInteger(data, offset + 1, lengthLength);69        if (offset + 1 + lengthLength + length > data.length) {70            throw new Error('to short');71        }72        return _decodeChildren(data, offset, offset + 1 + lengthLength, lengthLength + length);73    } else if (data[offset] >= 0xc0) {74        var length = data[offset] - 0xc0;75        if (offset + 1 + length > data.length) {76            throw new Error('invalid rlp data');77        }78        return _decodeChildren(data, offset, offset + 1, length);79    } else if (data[offset] >= 0xb8) {80        var lengthLength = data[offset] - 0xb7;81        if (offset + 1 + lengthLength > data.length) {82            throw new Error('invalid rlp data');83        }84        var length = unarrayifyInteger(data, offset + 1, lengthLength);85        if (offset + 1 + lengthLength + length > data.length) {86            throw new Error('invalid rlp data');87        }88        var result = convert.hexlify(data.slice(offset + 1 + lengthLength, offset + 1 + lengthLength + length));89        return { consumed: (1 + lengthLength + length), result: result }90    } else if (data[offset] >= 0x80) {91        var length = data[offset] - 0x80;92        if (offset + 1 + length > data.offset) {93            throw new Error('invlaid rlp data');94        }95        var result = convert.hexlify(data.slice(offset + 1, offset + 1 + length));96        return { consumed: (1 + length), result: result }97    }98    return { consumed: 1, result: convert.hexlify(data[offset]) };99}100function decode(data) {101    data = convert.arrayify(data);102    var decoded = _decode(data, 0);103    if (decoded.consumed !== data.length) {104        throw new Error('invalid rlp data');105    }106    return decoded.result;107}108module.exports = {109    encode: encode,110    decode: decode,...

Using AI Code Generation

1var wpt = require('./wpt.js');2var wptOptions = {3    videoParams: {4    },5    timelineParams: {6    },7    lighthouseParams: {8    },9    pagespeedParams: {10    },

Using AI Code Generation

1var wpt = require('webpagetest');2var webpagetest = new wpt('A.4c6a8f4b0c9d9e6e0b0a8d6d4c2f2a0c');3    if (err) return console.log(err);4    console.log('Test status:', data.statusText);5    console.log('View your test at:', data.data.userUrl);6});7webpagetest.getTestStatus('150221_3J_2f7c3b3d1c1c6d8f9a9c9e9a3a3d3e3c', function(err, data) {8    if (err) return console.log(err);9    console.log('Test status:', data.statusText);10    console.log('View your test at:', data.data.userUrl);11});12webpagetest.getTestResults('150221_3J_2f7c3b3d1c1c6d8f9a9c9e9a3a3d3e3c', function(err, data) {13    if (err) return console.log(err);14    console.log('Test status:', data.statusText);15    console.log('View your test at:', data.data.userUrl);16});17webpagetest.getLocations(function(err, data) {18    if (err) return console.log(err);19    console.log('Locations:', data);20});21webpagetest.getTesters(function(err, data) {22    if (err) return console.log(err);23    console.log('Testers:', data);24});25webpagetest.getTesters('ec2-us-west-1', function(err, data) {26    if (err) return console.log(err);27    console.log('Testers:', data);28});29webpagetest.getTesters('ec2-us-west-1', 'Chrome', function(err, data) {30    if (err) return console.log(err);31    console.log('Testers:', data);32});33webpagetest.getTesters('ec2-us-west-1', 'Chrome', 'Linux', function(err, data) {34    if (err) return console.log(err);35    console.log('Testers:', data);36});37webpagetest.getTesters('ec2-us-west-1', 'Chrome', 'Linux', '3G', function(err

Using AI Code Generation

1var wpt = require('webpagetest');2var test = new wpt('A.3b7d1c9a4a4c4fd4b3f3a4a4e1f1d1a1');3  if (err) return console.error(err);4  console.log('Test submitted. Poll for results at %s/jsonResult.php?test=%s', data.data.userUrl, data.data.testId);5  test.getTestResults(data.data.testId, function(err, data) {6    if (err) return console.error(err);7    console.log(data.data.median.firstView.lengthLength);8  });9});

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