fix for a hang with _statQueue (#388)

* fix for a hang with _statQueue

* Update package-lock.json

Co-authored-by: sanji-programmer <sanji-programmer@mail.com>
Co-authored-by: Chris Talkington <chris@talkingtontech.com>

Author: 3 people

lib/core.js

@@ -53,6 +53,7 @@ var Archiver = function(format, options) {
   this._queue.drain = this._onQueueDrain.bind(this);
 
   this._statQueue = async.queue(this._onStatQueueTask.bind(this), options.statConcurrency);
+  this._statQueue.drain = this._onQueueDrain.bind(this);
 
   this._state = {
     aborted: false,

test/archiver.js

@@ -371,6 +371,23 @@ describe('archiver', function() {
               .file('test/fixtures/empty.txt')
               .finalize()
         });
+
+        it('should allow continue on with several stat failings', function(done) {
+          archive = archiver('json');
+          var testStream = new WriteStream('tmp/errors-stat.json');
+
+          testStream.on('close', function() {
+              done();
+          });
+
+          archive.pipe(testStream);
+
+          archive.file('test/fixtures/test.txt');
+          for (var i = 1; i <= 20; i++)
+            archive.file('test/fixtures/test-missing.txt');
+
+          archive.finalize()
+      });        
     });
   });
 });