publishing v1 of action

node_modules/unzipper/lib/BufferStream.js

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+var Promise = require('bluebird');
+var Stream = require('stream');
+var Buffer = require('./Buffer');
+
+// Backwards compatibility for node versions < 8
+if (!Stream.Writable || !Stream.Writable.prototype.destroy)
+  Stream = require('readable-stream');
+
+module.exports = function(entry) {
+  return new Promise(function(resolve,reject) {
+    var buffer = Buffer.from(''),
+        bufferStream = Stream.Transform()
+          .on('finish',function() {
+            resolve(buffer);
+          })
+          .on('error',reject);
+        
+    bufferStream._transform = function(d,e,cb) {
+      buffer = Buffer.concat([buffer,d]);
+      cb();
+    };
+    entry.on('error',reject)
+      .pipe(bufferStream);
+  });
+};