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131 lines
2.3 KiB
131 lines
2.3 KiB
6 years ago
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'use strict';
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var bufferToVinyl = require('buffer-to-vinyl');
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var concatStream = require('concat-stream');
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var streamCombiner = require('stream-combiner2');
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var vinylFs = require('vinyl-fs');
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var vinylAssign = require('vinyl-assign');
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/**
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* Initialize Decompress
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*
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* @param {Object} opts
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* @api public
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*/
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function Decompress(opts) {
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if (!(this instanceof Decompress)) {
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return new Decompress(opts);
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}
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this.opts = opts || {};
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this.streams = [];
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}
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/**
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* Get or set the source files
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*
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* @param {Array|Buffer|String} file
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* @api public
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*/
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Decompress.prototype.src = function (file) {
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if (!arguments.length) {
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return this._src;
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}
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this._src = file;
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return this;
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};
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/**
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* Get or set the destination folder
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*
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* @param {String} dir
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* @api public
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*/
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Decompress.prototype.dest = function (dir) {
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if (!arguments.length) {
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return this._dest;
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}
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this._dest = dir;
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return this;
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};
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/**
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* Add a plugin to the middleware stack
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*
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* @param {Function} plugin
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* @api public
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*/
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Decompress.prototype.use = function (plugin) {
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this.streams.push(plugin);
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return this;
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};
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/**
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* Decompress archive
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*
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* @param {Function} cb
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* @api public
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*/
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Decompress.prototype.run = function (cb) {
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cb = cb || function () {};
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var stream = this.createStream();
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stream.on('error', cb);
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stream.pipe(concatStream(cb.bind(null, null)));
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};
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/**
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* Create stream
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*
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* @api private
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*/
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Decompress.prototype.createStream = function () {
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this.streams.unshift(vinylAssign({extract: true}));
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this.streams.unshift(this.getFiles());
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if (this.streams.length === 2) {
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this.use(Decompress.tar(this.opts));
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this.use(Decompress.tarbz2(this.opts));
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this.use(Decompress.targz(this.opts));
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this.use(Decompress.zip(this.opts));
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}
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if (this.dest()) {
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this.streams.push(vinylFs.dest(this.dest()));
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}
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return streamCombiner.obj(this.streams);
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};
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/**
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* Get files
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*
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* @api private
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*/
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Decompress.prototype.getFiles = function () {
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if (Buffer.isBuffer(this.src())) {
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return bufferToVinyl.stream(this.src());
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}
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return vinylFs.src(this.src());
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};
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/**
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* Module exports
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*/
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module.exports = Decompress;
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module.exports.tar = require('decompress-tar');
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module.exports.tarbz2 = require('decompress-tarbz2');
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module.exports.targz = require('decompress-targz');
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module.exports.zip = require('decompress-unzip');
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