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46 lines
1.1 KiB
JavaScript
46 lines
1.1 KiB
JavaScript
/**
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* @author n1474335 [n1474335@gmail.com]
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* @copyright Crown Copyright 2016
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* @license Apache-2.0
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*/
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import Operation from "../Operation";
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import Utils from "../Utils";
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import zlibAndGzip from "zlibjs/bin/zlib_and_gzip.min";
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const Zlib = zlibAndGzip.Zlib;
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/**
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* Gunzip operation
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*/
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class Gunzip extends Operation {
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/**
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* Gunzip constructor
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*/
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constructor() {
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super();
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this.name = "Gunzip";
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this.module = "Compression";
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this.description = "Decompresses data which has been compressed using the deflate algorithm with gzip headers.";
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this.inputType = "byteArray";
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this.outputType = "byteArray";
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this.args = [];
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}
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/**
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* @param {byteArray} input
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* @param {Object[]} args
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* @returns {byteArray}
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*/
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run(input, args) {
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// Deal with character encoding issues
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input = Utils.strToByteArray(Utils.byteArrayToUtf8(input));
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const gunzip = new Zlib.Gunzip(input);
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return Array.prototype.slice.call(gunzip.decompress());
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}
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}
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export default Gunzip;
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