From 9404c580736ff4e8d8b33fd65a5347e1ca112625 Mon Sep 17 00:00:00 2001
From: Artur Paikin <artur@arturpaikin.com>
Date: Tue, 20 Sep 2016 02:14:55 -0400
Subject: [PATCH] add core prefix everywhere

---
 src/core/Core.js         |  1 -
 src/plugins/Formtag.js   |  2 +-
 src/plugins/Multipart.js | 13 +++++++++----
 src/plugins/Tus10.js     |  5 +++++
 4 files changed, 15 insertions(+), 6 deletions(-)

diff --git a/src/core/Core.js b/src/core/Core.js
index 59a5061d9..53ffeb681 100644
--- a/src/core/Core.js
+++ b/src/core/Core.js
@@ -212,7 +212,6 @@ export default class Core {
     })
 
     this.on('core:upload-progress', (data) => {
-      console.log(data)
       const fileID = data.id
       const updatedFiles = Object.assign({}, this.getState().files)
       if (!updatedFiles[fileID]) {
diff --git a/src/plugins/Formtag.js b/src/plugins/Formtag.js
index 3ad2b7ca7..bbf2638fd 100644
--- a/src/plugins/Formtag.js
+++ b/src/plugins/Formtag.js
@@ -33,7 +33,7 @@ export default class Formtag extends Plugin {
     const files = Utils.toArray(ev.target.files)
 
     files.forEach((file) => {
-      this.core.emitter.emit('file-add', {
+      this.core.emitter.emit('core:file-add', {
         source: this.id,
         name: file.name,
         type: file.type,
diff --git a/src/plugins/Multipart.js b/src/plugins/Multipart.js
index fb6c84caf..7eed18561 100644
--- a/src/plugins/Multipart.js
+++ b/src/plugins/Multipart.js
@@ -43,7 +43,7 @@ export default class Multipart extends Plugin {
       xhr.upload.addEventListener('progress', (ev) => {
         if (ev.lengthComputable) {
           // Dispatch progress event
-          this.core.emitter.emit('upload-progress', {
+          this.core.emitter.emit('core:upload-progress', {
             uploader: this,
             id: file.id,
             bytesUploaded: ev.loaded,
@@ -57,7 +57,7 @@ export default class Multipart extends Plugin {
           const resp = JSON.parse(xhr.response)
           const uploadURL = resp[this.opts.responseUrlFieldName]
 
-          this.core.emitter.emit('upload-success', file.id, uploadURL)
+          this.core.emitter.emit('core:upload-success', file.id, uploadURL)
 
           this.core.log(`Download ${file.name} from ${file.uploadURL}`)
           return resolve(file)
@@ -78,11 +78,16 @@ export default class Multipart extends Plugin {
 
       xhr.open('POST', this.opts.endpoint, true)
       xhr.send(formPost)
-      this.core.emitter.emit('core:file-upload-started', file.id)
+      this.core.emitter.emit('core:upload-started', file.id)
     })
   }
 
   selectForUpload (files) {
+    if (Object.keys(files).length === 0) {
+      this.core.log('no files to upload!')
+      return
+    }
+
     const filesForUpload = []
     Object.keys(files).forEach((file) => {
       if (files[file].progress.percentage === 0) {
@@ -114,7 +119,7 @@ export default class Multipart extends Plugin {
     const bus = this.core.emitter
     bus.on('core:upload', () => {
       this.core.log('Multipart is uploading...')
-      const files = this.core.state.files
+      const files = this.core.getState().files
       this.selectForUpload(files)
     })
   }
diff --git a/src/plugins/Tus10.js b/src/plugins/Tus10.js
index 14973e86e..22a665ffe 100644
--- a/src/plugins/Tus10.js
+++ b/src/plugins/Tus10.js
@@ -200,6 +200,11 @@ export default class Tus10 extends Plugin {
   }
 
   uploadFiles (files) {
+    if (Object.keys(files).length === 0) {
+      this.core.log('no files to upload!')
+      return
+    }
+
     const uploaders = []
     files.forEach((file, index) => {
       const current = parseInt(index, 10) + 1