feat(s3): callbacks & s3 instance

#2

src/wrappers/base-wrapper.js

@@ -1,13 +1,11 @@
 import objectAssign from 'object-assign'
-import qq from 'fine-uploader/lib/core'
 
 import CallbackProxy from './callback-proxy'
-import { traditional as callbackNames } from './callback-names'
 
 const callbackProxies = new WeakMap()
 
 export default class BaseWrapper {
-    constructor({ options, type }) {
+    constructor({ callbackNames, options, qq, type }) {
         const callbacks = options.callbacks || {}
 
         const optionsSansCallbacks = objectAssign({}, options)
@@ -21,6 +19,7 @@ export default class BaseWrapper {
         this.methods = createFineUploader({
             callbackProxies: callbackProxies.get(this),
             options: optionsSansCallbacks,
+            qq,
             type
         })
     }
@@ -50,7 +49,7 @@ const createCallbackProxies = names => {
     return proxyMap
 }
 
-const createFineUploader = ({ callbackProxies, options, type } ) => {
+const createFineUploader = ({ callbackProxies, options, qq, type } ) => {
     const optionsCopy = objectAssign({ callbacks: {} }, options)
 
     Object.keys(callbackProxies).forEach(callbackName => {

src/wrappers/callback-names.js

@@ -1,3 +1,5 @@
+import objectAssign from 'object-assign'
+
 export const thenable = [
     'onCancel',
     'onPasteReceived',
@@ -31,3 +33,7 @@ export const traditional = [
     'onValidate',
     'onValidateBatch'
 ]
+
+export const s3 = objectAssign([], traditional, [
+    'onCredentialsExpired'
+])

src/wrappers/s3.js

@@ -1,7 +1,14 @@
 import BaseWrapper from './base-wrapper'
+import qq from 'fine-uploader/lib/core/s3'
+import { s3 as callbackNames } from './callback-names'
 
 export default class FineUploaderS3 extends BaseWrapper {
     constructor({ options }) {
-        super({ options, type: 's3' })
+        super({
+            callbackNames,
+            options,
+            qq,
+            type: 's3' 
+        })
     }
 }

src/wrappers/traditional.js

@@ -1,7 +1,14 @@
 import BaseWrapper from './base-wrapper'
+import qq from 'fine-uploader/lib/core'
+import { traditional as callbackNames } from './callback-names'
 
 export default class FineUploaderTraditional extends BaseWrapper {
     constructor({ options }) {
-        super({ options, type: 'traditional' })
+        super({
+            callbackNames,
+            options,
+            qq,
+            type: 'traditional' 
+        })
     }
 }