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build/node_modules/decompress/index.js

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