feat(object): add template option to object.new

Author: dignifiedquire

API/object/README.md

@@ -7,7 +7,9 @@ object API
 
 ##### `Go` **WIP**
 
-##### `JavaScript` - ipfs.object.new([callback])
+##### `JavaScript` - ipfs.object.new([template][, callback])
+
+`template` if defined, must be a string `unixfs-dir` and if that is passed, the created node will be an empty unixfs style directory.
 
 `callback` must follow `function (err, node) {}` signature, where `err` is an error if the operation was not successful and `node` is a MerkleDAG node of the type [DAGNode][]
 
@@ -256,5 +258,3 @@ If no `callback` is passed, a [promise][] is returned.
 [DAGNode]: https://github.com/vijayee/js-ipfs-merkle-dag
 [multihash]: http://github.com/jbenet/multihash
 [promise]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise
-
-

src/object.js

@@ -41,6 +41,19 @@ module.exports = (common) => {
             done()
           })
         })
+
+        it('template unixfs-dir', (done) => {
+          ipfs.object.new('unixfs-dir', (err, node) => {
+            expect(err).to.not.exist
+            const nodeJSON = node.toJSON()
+            expect(
+              nodeJSON.multihash
+            ).to.equal(
+              'QmUNLLsPACCz1vLxQVkXqqLX5R1X345qqfHbsf67hvA3Nn'
+            )
+            done()
+          })
+        })
       })
 
       describe('.put', () => {