How to use compressMultipleChunks method in wpt

Best JavaScript code snippet using wpt

compression-multiple-chunks.tentative.any.js

Source:compression-multiple-chunks.tentative.any.js

...8  const expectedChunk = input.repeat(numberOfChunks);9  return new TextEncoder().encode(expectedChunk);10}11// Example: ('Hello', 3, 'deflate') => compress ['Hello', 'Hello', Hello']12async function compressMultipleChunks(input, numberOfChunks, format) {13  const cs = new CompressionStream(format);14  const writer = cs.writable.getWriter();15  const chunk = new TextEncoder().encode(input);16  for (let i = 0; i < numberOfChunks; ++i) {17    writer.write(chunk);18  }19  const closePromise = writer.close();20  const out = [];21  const reader = cs.readable.getReader();22  let totalSize = 0;23  while (true) {24    const { value, done } = await reader.read();25    if (done)26      break;27    out.push(value);28    totalSize += value.byteLength;29  }30  await closePromise;31  const concatenated = new Uint8Array(totalSize);32  let offset = 0;33  for (const array of out) {34    concatenated.set(array, offset);35    offset += array.byteLength;36  }37  return concatenated;38}39const hello = 'Hello';40for (let numberOfChunks = 2; numberOfChunks <= 16; ++numberOfChunks) {41  promise_test(async t => {42    const compressedData = await compressMultipleChunks(hello, numberOfChunks, 'deflate');43    const expectedValue = makeExpectedChunk(hello, numberOfChunks);44    // decompress with pako, and check that we got the same result as our original string45    assert_array_equals(expectedValue, pako.inflate(compressedData), 'value should match');46  }, `compressing ${numberOfChunks} chunks with deflate should work`);47  promise_test(async t => {48    const compressedData = await compressMultipleChunks(hello, numberOfChunks, 'gzip');49    const expectedValue = makeExpectedChunk(hello, numberOfChunks);50    // decompress with pako, and check that we got the same result as our original string51    assert_array_equals(expectedValue, pako.inflate(compressedData), 'value should match');52  }, `compressing ${numberOfChunks} chunks with gzip should work`);53  promise_test(async t => {54    const compressedData = await compressMultipleChunks(hello, numberOfChunks, 'deflate-raw');55    const expectedValue = makeExpectedChunk(hello, numberOfChunks);56    // decompress with pako, and check that we got the same result as our original string57    assert_array_equals(expectedValue, pako.inflateRaw(compressedData), 'value should match');58  }, `compressing ${numberOfChunks} chunks with deflate-raw should work`);...

Using AI Code Generation

1var wptCompress = require('wpt-compress');2var fs = require('fs');3var input = fs.readFileSync('input.mp4');4var output = fs.readFileSync('output.mp4');5var compressed = wptCompress.compressMultipleChunks(input, output);6fs.writeFileSync('compressed.mp4', compressed);7var wptDecompress = require('wpt-decompress');8var fs = require('fs');9var input = fs.readFileSync('compressed.mp4');10var output = fs.readFileSync('output.mp4');11var decompressed = wptDecompress.decompressMultipleChunks(input, output);12fs.writeFileSync('decompressed.mp4', decompressed);13var wptCompress = require('wpt-compress');14var fs = require('fs');15var input = fs.readFileSync('input.mp4');16var compressed = wptCompress.compressSingleChunk(input);17fs.writeFileSync('compressed.mp4', compressed);18var wptDecompress = require('wpt-decompress');19var fs = require('fs');20var input = fs.readFileSync('compressed.mp4');21var decompressed = wptDecompress.decompressSingleChunk(input);22fs.writeFileSync('decompressed.mp4', decompressed);

Using AI Code Generation

1const wptool = require('wptool');2const path = require('path');3const fs = require('fs');4const compressMultipleChunks = wptool.compressMultipleChunks;5const compressMultipleChunksOptions = {6    chunksPath: path.join(__dirname, 'chunks'),7    compressedChunksPath: path.join(__dirname, 'compressedChunks'),8    decompressedChunksPath: path.join(__dirname, 'decompressedChunks'),9    compressedChunksPath: path.join(__dirname, 'compressedChunks'),10    decompressedChunksPath: path.join(__dirname, 'decompressedChunks'),11    originalFilePath: path.join(__dirname, 'originalFile'),12    compressedFilePath: path.join(__dirname, 'compressedFile'),13    decompressedFilePath: path.join(__dirname, 'decompressedFile'),14    compressedFilePath: path.join(__dirname, 'compressedFile'),15    decompressedFilePath: path.join(__dirname, 'decompressedFile'),

Using AI Code Generation

1const wptCapture = require('wpt-capture');2wptCapture.compressMultipleChunks('path/to/chunk/files', 'path/to/output/file.zip', function(err, result) {3  if(err) {4    console.log(err);5  } else {6    console.log('result', result);7  }8});9Please read [CONTRIBUTING.md](

Using AI Code Generation

1var wpt = require('webpagetest');2var wpt = new WebPageTest('www.webpagetest.org');3wpt.compressMultipleChunks('result/150521_0N_1e6/', function(err, data) {4    if (err) {5        console.log(err);6        return;7    }8    console.log(data);9});10var wpt = require('webpagetest');11var wpt = new WebPageTest('www.webpagetest.org');12wpt.getLocations(function(err, data) {13    if (err) {14        console.log(err);15        return;16    }17    console.log(data);18});

Using AI Code Generation

1const compress = require('wpt-compress');2    { data: "data:application/javascript;base64,SGVsbG8gd29ybGQh", size: 22, type: "application/javascript" },3    { data: "data:application/javascript;base64,SGVsbG8gd29ybGQh", size: 22, type: "application/javascript" },4    { data: "data:application/javascript;base64,SGVsbG8gd29ybGQh", size: 22, type: "application/javascript" },5    { data: "data:application/javascript;base64,SGVsbG8gd29ybGQh", size: 22, type: "application/javascript" },6    { data: "data:application/javascript;base64,SGVsbG8gd29ybGQh", size: 22, type: "application/javascript" }7];8compress.compressMultipleChunks(chunks, (err, compressedChunks) => {9    if (err) {10        console.log(err);11    } else {12        console.log(compressedChunks);13    }14});

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