How to use JSUnzip method in redwood

Best JavaScript code snippet using redwood

unzip.js

Source:unzip.js

1if(typeof Packages !== "undefined"){2	exports.Unzip = function(fileContents){3		var zipStream = new Packages.java.util.zip.ZipInputStream(fileContents);4		return {5			readEntries: function(){6				var entry;7				this.entries = [];8				var bufferSize = 4096;9				while((entry = zipStream.getNextEntry())){10					var size = 0, buffer = Packages.java.lang.reflect.Array.newInstance(java.lang.Byte.TYPE, 0);11					do{12						var nextBuffer = Packages.java.lang.reflect.Array.newInstance(java.lang.Byte.TYPE, size + bufferSize);13						var bytesRead = 0;14						do{15							var segmentRead = zipStream.read(nextBuffer, bytesRead, nextBuffer.length - bytesRead);16							if(segmentRead > 0){17								bytesRead += segmentRead; 18							}19						}while(segmentRead > 0 && nextBuffer.length - bytesRead > 0);20						if(bytesRead > 0){21							var newBuffer = Packages.java.lang.reflect.Array.newInstance(java.lang.Byte.TYPE, bytesRead + size);22							Packages.java.lang.System.arraycopy(buffer, 0, newBuffer, 0, size);23							Packages.java.lang.System.arraycopy(nextBuffer, 0, newBuffer, size, bytesRead);24							buffer = newBuffer;25							size += bytesRead;26						}27					}while(bytesRead > 0);28					this.entries.push({29						compressionMethod: 0,30						fileName: String(entry.getName()),31						data: buffer32					});33				}34			},35			isZipFile: function(){36				return true;37			}38		}39	}40}41else{42var JSUnzip = function (fileContents) {43    this.fileContents = new JSUnzip.BigEndianBinaryStream(fileContents);44}45exports.Unzip = JSUnzip;46JSUnzip.MAGIC_NUMBER = 0x04034b50;47JSUnzip.prototype = {48    readEntries: function () {49        if (!this.isZipFile()) {50            throw new Error("File is not a Zip file.");51        }52        this.entries = [];53        var e = new JSUnzip.ZipEntry(this.fileContents);54        while (typeof(e.data) === "string") {55            this.entries.push(e);56            e = new JSUnzip.ZipEntry(this.fileContents);57        }58    },59    isZipFile: function () {60        return this.fileContents.getByteRangeAsNumber(0, 4) === JSUnzip.MAGIC_NUMBER;61    }62}63JSUnzip.ZipEntry = function (binaryStream) {64    this.signature          = binaryStream.getNextBytesAsNumber(4);65    if (this.signature !== JSUnzip.MAGIC_NUMBER) {66        return;67    }68    this.versionNeeded      = binaryStream.getNextBytesAsNumber(2);69    this.bitFlag            = binaryStream.getNextBytesAsNumber(2);70    this.compressionMethod  = binaryStream.getNextBytesAsNumber(2);71    this.timeBlob           = binaryStream.getNextBytesAsNumber(4);72    if (this.isEncrypted()) {73        throw "File contains encrypted entry. Not supported.";74    }75    if (this.isUsingUtf8()) {76        throw "File is using UTF8. Not supported.";77    }78    if (this.isUsingBit3TrailingDataDescriptor()) {79        throw "File is using bit 3 trailing data descriptor. Not supported.";80    }81    this.crc32              = binaryStream.getNextBytesAsNumber(4);82    this.compressedSize     = binaryStream.getNextBytesAsNumber(4);83    this.uncompressedSize   = binaryStream.getNextBytesAsNumber(4);84    if (this.isUsingZip64()) {85        throw "File is using Zip64 (4gb+ file size). Not supported";86    }87    this.fileNameLength     = binaryStream.getNextBytesAsNumber(2);88    this.extraFieldLength   = binaryStream.getNextBytesAsNumber(2);89    this.fileName  = binaryStream.getNextBytesAsString(this.fileNameLength);90    this.extra     = binaryStream.getNextBytesAsString(this.extraFieldLength);91    this.data      = binaryStream.getNextBytesAsString(this.compressedSize);92}93JSUnzip.ZipEntry.prototype = {94    isEncrypted: function () {95        return (this.bitFlag & 0x01) === 0x01;96    },97    isUsingUtf8: function () {98        return (this.bitFlag & 0x0800) === 0x0800;99    },100    isUsingBit3TrailingDataDescriptor: function () {101        return (this.bitFlag & 0x0008) === 0x0008;102    },103    isUsingZip64: function () {104        this.compressedSize === 0xFFFFFFFF ||105            this.uncompressedSize === 0xFFFFFFFF;106    }107}108JSUnzip.BigEndianBinaryStream = function (stream) {109    this.stream = stream;110    this.resetByteIndex();111}112JSUnzip.BigEndianBinaryStream.prototype = {113    // The index of the current byte, used when we step through the byte114    // with getNextBytesAs*.115    resetByteIndex: function () {116        this.currentByteIndex = 0;117    },118    // TODO: Other similar JS libs does charCodeAt(index) & 0xff. Grok119    // why, and do that here if neccesary. So far, I've never gotten a120    // char code higher than 255.121    getByteAt: function (index) {122        return this.stream.charCodeAt(index);123    },124    getNextBytesAsNumber: function (steps) {125        var res = this.getByteRangeAsNumber(this.currentByteIndex, steps);126        this.currentByteIndex += steps;127        return res;128    },129    getNextBytesAsString: function (steps) {130        var res = this.getByteRangeAsString(this.currentByteIndex, steps);131        this.currentByteIndex += steps;132        return res;133    },134    // Big endian, so we're going backwards.135    getByteRangeAsNumber: function (index, steps) {136        var result = 0;137        var i = index + steps - 1;138        while (i >= index) {139            result = (result << 8) + this.getByteAt(i);140            i--;141        }142        return result;143    },144    getByteRangeAsString: function (index, steps) {145        var result = "";146        var max = index + steps;147        var i = index;148        while (i < max) {149            result += String.fromCharCode(this.getByteAt(i));150            i++;151        }152        return result;153    }154}...

Using AI Code Generation

1import { JSZip } from '@redwoodjs/api'2export const handler = async (event, context) => {3  const jsZip = new JSZip()4  const data = await jsZip.loadAsync(event.body)5  const content = await file.async('string')6  return {7    body: JSON.stringify({8    }),9  }10}11import { JSZip } from '@redwoodjs/api'12const jsZip = new JSZip()13#### `loadAsync(data, options)`14const data = await jsZip.loadAsync(event.body)15#### `generateAsync(options)`16const zip = await jsZip.generateAsync({17  compressionOptions: {18  },19})20#### `file(name, data, options)`21jsZip.file('test.txt', 'Hello World!')22#### `folder(name)`23jsZip.folder('test')24#### `remove(name)`25jsZip.remove('test.txt')26#### `file(name)`27const file = jsZip.file('test.txt')28import { JSUnzip } from '@redwoodjs/api'29const jsUnzip = new JSUnzip()30#### `loadAsync(data, options)`31const data = await jsUnzip.loadAsync(event.body)32#### `generateAsync(options)`33const zip = await jsUnzip.generateAsync({34  compressionOptions: {35  },36})

Using AI Code Generation

1import JSUnzip from 'src/lib/JSUnzip'2  query {3    jsUnzip {4    }5  }6export const Loading = () => <div>Loading...</div>7export const Empty = () => <div>JSUnzip has not been created yet</div>8export const Success = ({ jsUnzip }) => {9  return JSON.stringify(jsUnzip)10}11import JSUnzip from '@redwoodjs/structure'12const unzip = JSUnzip('UEsDBAoAAAAAABTfT1wAAAAAAAAAAAAAAAANAA0AAAAAaGVsbG8udHh0VVQJAAC9i6IvlouiL1BLAQIUAAoAAAAAABTfT1wAAAAAAAAAAAAAAAANAA0AAAAAAQAAAEhlbGxvIFdvcmxkVVQFAAC9i6IvUEsFBgAAAAADAAMAPQAAANcAAAAAAA==')13We welcome contributions from the community! Please see [CONTRIBUTING.md](

Using AI Code Generation

1import JSZip from "jszip";2const zip = new JSZip();3zip.loadAsync(yourBinaryData).then(function (zip) {4  zip.forEach(function (relativePath, zipEntry) {5    console.log(zipEntry.name);6  });7});8import JSZip from "jszip";9const zip = new JSZip();10zip.loadAsync(yourBinaryData).then(function (zip) {11  zip.forEach(function (relativePath, zipEntry) {12    console.log(zipEntry.name);13  });14});15import JSZip from "jszip";16const zip = new JSZip();17zip.loadAsync(yourBinaryData).then(function (zip) {18  zip.forEach(function (relativePath, zipEntry) {19    console.log(zipEntry.name);20  });21});22import JSZip from "jszip";23const zip = new JSZip();24zip.loadAsync(yourBinaryData).then(function (zip) {25  zip.forEach(function (relativePath, zipEntry) {26    console.log(zipEntry.name);27  });28});29### `JSZip.loadAsync(data, [options])`

Using AI Code Generation

1import { JSZip } from "redwoodjs/server"2import { JSZip } from "redwoodjs/server"3export const handler = async (event, context) => {4  const zip = new JSZip()5  const result = await zip.loadAsync(event.body)6  const content = await file.async("string")7  console.log(content)8  return {9    body: JSON.stringify({10    }),11  }12}13-   [JSZip](#jszip)14    -   [Parameters](#parameters)15    -   [loadAsync](#loadasync)16        -   [Parameters](#parameters-1)17    -   [generateAsync](#generateasync)18        -   [Parameters](#parameters-2)19    -   [file](#file)20        -   [Parameters](#parameters-3)21    -   [addFile](#addfile)22        -   [Parameters](#parameters-4)23    -   [folder](#folder)24        -   [Parameters](#parameters-5)25    -   [addFolder](#addfolder)26        -   [Parameters](#parameters-6)27-   [JSZipFile](#jszipfile)28    -   [Parameters](#parameters-7)29    -   [async](#async)30        -   [Parameters](#parameters-8)31    -   [asyncText](#asynctext)32        -   [Parameters](#parameters-9)33    -   [asyncArrayBuffer](#asynccarraybuffer)34        -   [Parameters](#parameters-10)35    -   [asyncUint8Array](#asyncuint8array)36        -   [Parameters](#parameters-11)37    -   [asyncBase64](#asyncbase64)38        -   [Parameters](#parameters-12)39    -   [asyncBinaryString](#asyncbinarystring)40        -   [Parameters](#parameters-13)41    -   [asyncNodeBuffer](#asyncnodebuffer)42        -   [Parameters](#parameters-14)43-   [JSZipFolder](#jszipfolder)

Using AI Code Generation

1var JSUnzip = require('redwood').JSUnzip;2var unzip = new JSUnzip();3unzip.extractFile("test.zip", function(err, data) {4  if(err) {5    console.log("Error: ", err);6  } else {7    console.log("Data: ", data);8  }9});

Using AI Code Generation

1const unzip = require('js-unzip').default2const unzipFile = async () => {3  const buffer = await fs.readFile('test.zip')4  const result = await unzip(buffer)5}6unzipFile()7### unzip(buffer)

Using AI Code Generation

1import JSUnzip from 'jsunzip'2const unzip = new JSUnzip()3unzip.load('my.zip')4unzip.on('file', (file) => {5  console.log(file.name)6  console.log(file.data)7})8unzip.on('end', () => {9  console.log('All done!')10})11unzip.on('error', (error) => {12  console.log(error)13})14#### .load(path)15#### .on('file', (file) => {})16#### .on('end', () => {})17#### .on('error', (error) => {})

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