ubdate

node_modules/decompress-unzip/node_modules/get-stream/index.js

@@ -0,0 +1,59 @@
+'use strict';
+var Promise = require('pinkie-promise');
+var objectAssign = require('object-assign');
+var bufferStream = require('./buffer-stream');
+
+function getStream(inputStream, opts) {
+	if (!inputStream) {
+		return Promise.reject(new Error('Expected a stream'));
+	}
+
+	opts = objectAssign({maxBuffer: Infinity}, opts);
+	var maxBuffer = opts.maxBuffer;
+	var stream;
+	var clean;
+
+	var p = new Promise(function (resolve, reject) {
+		stream = bufferStream(opts);
+		inputStream.once('error', error);
+		inputStream.pipe(stream);
+
+		stream.on('data', function () {
+			if (stream.getBufferedLength() > maxBuffer) {
+				reject(new Error('maxBuffer exceeded'));
+			}
+		});
+		stream.once('error', error);
+		stream.on('end', resolve);
+
+		clean = function () {
+			// some streams doesn't implement the stream.Readable interface correctly
+			if (inputStream.unpipe) {
+				inputStream.unpipe(stream);
+			}
+		};
+
+		function error(err) {
+			if (err) { // null check
+				err.bufferedData = stream.getBufferedValue();
+			}
+			reject(err);
+		}
+	});
+
+	p.then(clean, clean);
+
+	return p.then(function () {
+		return stream.getBufferedValue();
+	});
+}
+
+module.exports = getStream;
+
+module.exports.buffer = function (stream, opts) {
+	return getStream(stream, objectAssign({}, opts, {encoding: 'buffer'}));
+};
+
+module.exports.array = function (stream, opts) {
+	return getStream(stream, objectAssign({}, opts, {array: true}));
+};