Merge pull request #15 from github/bestra/add-is-video

Author: Bestra

src/attachment.ts

@@ -43,6 +43,10 @@ export default class Attachment {
     return ['image/gif', 'image/png', 'image/jpg', 'image/jpeg'].indexOf(this.file.type) > -1
   }
 
+  isVideo(): boolean {
+    return ['video/mp4', 'video/quicktime'].indexOf(this.file.type) > -1
+  }
+
   saving(percent: number): void {
     if (this.state !== 'pending' && this.state !== 'saving') {
       throw new Error(`Unexpected transition from ${this.state} to saving`)

test/test.js

@@ -39,6 +39,24 @@ describe('file-attachment', function () {
       assert(attachment.isImage())
     })
 
+    it('detects mp4 video types', function () {
+      const file = new File(['hubot'], 'test.mp4', {type: 'video/mp4'})
+      const attachment = new Attachment(file)
+      assert(attachment.isVideo())
+    })
+
+    it('detects quicktime video types', function () {
+      const file = new File(['hubot'], 'test.mov', {type: 'video/quicktime'})
+      const attachment = new Attachment(file)
+      assert(attachment.isVideo())
+    })
+
+    it('detects non video types', function () {
+      const file = new File(['hubot'], 'test.txt', {type: 'text/plain'})
+      const attachment = new Attachment(file)
+      assert(!attachment.isVideo())
+    })
+
     it('transitions through save states', function () {
       const file = new File(['hubot'], 'test.txt', {type: 'text/plain'})
       const attachment = new Attachment(file)