Merge pull request #476 from ipfs/object/new-template

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

Author: dignifiedquire

package.json

@@ -31,6 +31,7 @@
     "glob": "^7.1.1",
     "glob-escape": "0.0.2",
     "ipfs-block": "^0.5.1",
+    "ipfs-unixfs": "^0.1.8",
     "ipld-dag-pb": "^0.9.3",
     "is-ipfs": "^0.2.1",
     "isstream": "^0.1.2",
@@ -62,7 +63,7 @@
     "eslint-plugin-react": "^6.8.0",
     "gulp": "^3.9.1",
     "hapi": "^16.0.1",
-    "interface-ipfs-core": "^0.22.0",
+    "interface-ipfs-core": "^0.22.1",
     "ipfsd-ctl": "^0.17.0",
     "pre-commit": "^1.2.0",
     "socket.io": "^1.7.1",
@@ -116,4 +117,4 @@
     "url": "https://github.com/ipfs/js-ipfs-api/issues"
   },
   "homepage": "https://github.com/ipfs/js-ipfs-api"
-}
+}

src/api/object.js

@@ -11,7 +11,7 @@ const LRU = require('lru-cache')
 const lruOptions = {
   max: 128
 }
-
+const Unixfs = require('ipfs-unixfs')
 const cache = LRU(lruOptions)
 
 module.exports = (send) => {
@@ -253,15 +253,31 @@ module.exports = (send) => {
         args: multihash
       }, callback)
     }),
-    new: promisify((callback) => {
+    new: promisify((template, callback) => {
+      if (typeof template === 'function') {
+        callback = template
+        template = undefined
+      }
       send({
-        path: 'object/new'
+        path: 'object/new',
+        args: template
       }, (err, result) => {
         if (err) {
           return callback(err)
         }
 
-        DAGNode.create(new Buffer(0), (err, node) => {
+        let data
+
+        if (template) {
+          if (template !== 'unixfs-dir') {
+            return callback(new Error('unkown template: ' + template))
+          }
+          data = (new Unixfs('directory')).marshal()
+        } else {
+          data = new Buffer(0)
+        }
+
+        DAGNode.create(data, (err, node) => {
           if (err) {
             return callback(err)
           }