Add custom seperator and open/close options.

index.js

@@ -24,16 +24,21 @@ function Stringify(options) {
   }
   Transform.call(this, options || {})
   this._writableState.objectMode = true
+
+  // Array Deliminator defaults
+  var open = options && options.open ? options.open : '[\n'
+  var seperator = options && options.seperator ? options.seperator : '\n,\n'
+  var close = options && options.close ? options.close : '\n]\n'
+
+  // Array Deliminators
+  this.open = new Buffer(open, 'utf8')
+  this.seperator = new Buffer(seperator, 'utf8')
+  this.close = new Buffer(close, 'utf8')
 }
 
 // Flags
 Stringify.prototype.started = false
 
-// Array delimiters
-Stringify.prototype.open = new Buffer('[\n', 'utf8')
-Stringify.prototype.seperator = new Buffer('\n,\n', 'utf8')
-Stringify.prototype.close = new Buffer('\n]\n', 'utf8')
-
 // JSON.stringify options
 Stringify.prototype.replacer = null
 Stringify.prototype.space = 0

test/test.js

@@ -156,4 +156,46 @@ describe('Streamify()', function () {
     stream.end(obj)
   })
 
+  it('should allow custom openings and closings', function (done) {
+    var stream = new PassThrough({
+      objectMode: true
+    })
+
+    var stringify = Stringify({open: "{\"test\": [\n", close: "\n]}\n"})
+
+    var obj = [{a: 1}]
+
+    stream
+      .pipe(stringify)
+      .pipe(cat(function (err, buf) {
+        assert.ifError(err)
+        assert.equal(buf.toString('utf8'), "{\"test\": [\n" + JSON.stringify(obj, null) + "\n]}\n")
+
+        done()
+      }))
+
+    stream.end(obj)
+  })
+
+  it('should allow custom seperators', function (done) {
+    var stream = new PassThrough({
+      objectMode: true
+    })
+
+    var stringify = Stringify({seperator: ' , '})
+
+    stream
+      .pipe(stringify)
+      .pipe(cat(function (err, buf) {
+        assert.ifError(err)
+        assert.equal(buf.toString('utf8'), "[\n1 , 2 , 3\n]\n")
+
+        done()
+      }))
+
+    stream.write(1)
+    stream.write(2)
+    stream.write(3)
+    stream.end()
+  })
 })