more async fixes

package.json

@@ -4,6 +4,9 @@
   "description": "A client library for the IPFS HTTP API. Follows interface-ipfs-core spec",
   "main": "lib/index.js",
   "jsnext:main": "src/index.js",
+  "browser": {
+    "glob": false
+  },
   "scripts": {
     "test": "PHANTOM=off node --max_old_space_size=4096 node_modules/.bin/gulp test:node",
     "test:node": "gulp test:node",

src/add-to-dagnode-transform.js

@@ -1,27 +1,28 @@
 'use strict'
 
 const map = require('async/map')
+const waterfall = require('async/waterfall')
+
 const getDagNode = require('./get-dagnode')
 
 // transform { Hash: '...' } objects into { path: 'string', node: DAGNode }
-module.exports = function (err, res, send, done) {
+module.exports = (err, res, send, done) => {
   if (err) {
     return done(err)
   }
 
-  map(res, function map (entry, next) {
-    getDagNode(send, entry.Hash, function (err, node) {
+  map(res, (entry, next) => waterfall([
+    (cb) => getDagNode(send, entry.Hash, cb),
+    (node, cb) => node.size((err, size) => {
       if (err) {
-        return next(err)
+        return cb(err)
       }
-      var obj = {
+
+      next(null, {
         path: entry.Name,
         hash: entry.Hash,
-        size: node.size()
-      }
-      next(null, obj)
+        size: size
+      })
     })
-  }, function (err, res) {
-    done(err, res)
-  })
+  ], next), done)
 }

src/api/object.js

@@ -103,11 +103,17 @@ module.exports = (send) => {
           node = new DAGNode(obj.Data, obj.Links)
         }
 
-        if (node.toJSON().Hash !== result.Hash) {
-          return callback(new Error('Stored object was different from constructed object'))
-        }
+        node.toJSON((err, json) => {
+          if (err) {
+            return callback(err)
+          }
 
-        callback(null, node)
+          if (json.Hash !== result.Hash) {
+            return callback(new Error('Stored object was different from constructed object'))
+          }
+
+          callback(null, node)
+        })
       })
     }),
     data: promisify((multihash, options, callback) => {
@@ -202,11 +208,17 @@ module.exports = (send) => {
         }
         const node = new DAGNode()
 
-        if (node.toJSON().Hash !== result.Hash) {
-          return callback(new Error('Stored object was different from constructed object'))
-        }
+        node.toJSON((err, json) => {
+          if (err) {
+            return callback(err)
+          }
 
-        callback(null, node)
+          if (json.Hash !== result.Hash) {
+            return callback(new Error('Stored object was different from constructed object'))
+          }
+
+          callback(null, node)
+        })
       })
     }),
     patch: {