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• compressedObject.min.js

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META-INF.resources.bower_components.jszip.lib.compressedObject.min.js Maven / Gradle / Ivy

"use strict";var external=require("./external");var DataWorker=require("./stream/DataWorker");var DataLengthProbe=require("./stream/DataLengthProbe");var Crc32Probe=require("./stream/Crc32Probe");var DataLengthProbe=require("./stream/DataLengthProbe");function CompressedObject(compressedSize,uncompressedSize,crc32,compression,data){this.compressedSize=compressedSize;this.uncompressedSize=uncompressedSize;this.crc32=crc32;this.compression=compression;this.compressedContent=data}CompressedObject.prototype={getContentWorker:function(){var worker=new DataWorker(external.Promise.resolve(this.compressedContent)).pipe(this.compression.uncompressWorker()).pipe(new DataLengthProbe("data_length"));var that=this;worker.on("end",function(){if(this.streamInfo["data_length"]!==that.uncompressedSize){throw new Error("Bug : uncompressed data size mismatch")}});return worker},getCompressedWorker:function(){return new DataWorker(external.Promise.resolve(this.compressedContent)).withStreamInfo("compressedSize",this.compressedSize).withStreamInfo("uncompressedSize",this.uncompressedSize).withStreamInfo("crc32",this.crc32).withStreamInfo("compression",this.compression)}};CompressedObject.createWorkerFrom=function(uncompressedWorker,compression,compressionOptions){return uncompressedWorker.pipe(new Crc32Probe).pipe(new DataLengthProbe("uncompressedSize")).pipe(compression.compressWorker(compressionOptions)).pipe(new DataLengthProbe("compressedSize")).withStreamInfo("compression",compression)};module.exports=CompressedObject;