modify model initialize function

package.json

@@ -31,8 +31,7 @@
   },
   "homepage": "https://github.com/transcranial/keras-js#readme",
   "dependencies": {
-    "axios": "^0.14.0",
-    "bluebird": "^3.4.6",
+    "babel-polyfill": "^6.13.0",
     "cwise": "^1.0.9",
     "lodash": "^4.15.0",
     "ndarray": "^1.0.18",
@@ -49,12 +48,11 @@
     "babel-core": "^6.14.0",
     "babel-eslint": "^6.1.2",
     "babel-loader": "^6.2.5",
-    "babel-plugin-transform-async-to-module-method": "^6.8.0",
     "babel-plugin-transform-class-properties": "^6.11.5",
     "babel-plugin-transform-object-rest-spread": "^6.8.0",
     "babel-preset-latest": "^6.14.0",
     "http-server": "^0.9.0",
-    "standard": "^8.0.0",
+    "standard": "^8.1.0",
     "webpack": "^2.1.0-beta.22"
   },
   "standard": {
@@ -75,14 +73,7 @@
     ],
     "plugins": [
       "transform-class-properties",
-      "transform-object-rest-spread",
-      [
-        "transform-async-to-module-method",
-        {
-          "module": "bluebird",
-          "method": "coroutine"
-        }
-      ]
+      "transform-object-rest-spread"
     ]
   }
 }

src/Model.js

@@ -1,5 +1,4 @@
 /* global XMLHttpRequest */
-import Promise from 'bluebird'
 import toPairs from 'lodash/toPairs'
 import mapKeys from 'lodash/mapKeys'
 import camelCase from 'lodash/camelCase'
@@ -88,21 +87,19 @@ export default class Model {
    * Model initialization
    * @returns {Promise}
    */
-  async initialize () {
+  initialize () {
     const dataTypes = ['model', 'weights', 'metdata']
-    try {
-      // get data
-      await Promise.all(dataTypes.map(type => {
-        return this.dataRequest(type, this.config.headers)
-      }))
-      // create layers
+    return Promise.all(
+      dataTypes.map(type => this.dataRequest(type, this.config.headers))
+    )
+    .then(() => {
       this.createLayers()
       return Promise.resolve()
-    } catch (err) {
+    })
+    .catch(err => {
       console.log(err)
       this.interrupt()
-      return Promise.reject(err)
-    }
+    })
   }
 
   /**
@@ -202,6 +199,6 @@ export default class Model {
    * Predict API
    */
   predict (data) {
-    
+
   }
 }