webcam: Pull supportsMediaRecorder helper into Webcam plugin directory

src/core/Utils.js

@@ -188,11 +188,6 @@ function getFileNameAndExtension (fullFileName) {
   return [fileName, fileExt]
 }
 
-function supportsMediaRecorder () {
-  return typeof MediaRecorder === 'function' && !!MediaRecorder.prototype &&
-    typeof MediaRecorder.prototype.start === 'function'
-}
-
 /**
  * Check if a URL string is an object URL from `URL.createObjectURL`.
  *
@@ -539,7 +534,6 @@ module.exports = {
   toArray,
   getTimeStamp,
   runPromiseSequence,
-  supportsMediaRecorder,
   isTouchDevice,
   getFileNameAndExtension,
   truncateString,

src/core/Utils.test.js

@@ -57,25 +57,6 @@ describe('core/utils', () => {
     })
   })
 
-  describe('supportsMediaRecorder', () => {
-    it('should return true if MediaRecorder is supported', () => {
-      global.MediaRecorder = () => {}
-      global.MediaRecorder.prototype.start = () => {}
-      expect(utils.supportsMediaRecorder()).toEqual(true)
-    })
-
-    it('should return false if MediaRecorder is not supported', () => {
-      global.MediaRecorder = undefined
-      expect(utils.supportsMediaRecorder()).toEqual(false)
-
-      global.MediaRecorder = () => {}
-      expect(utils.supportsMediaRecorder()).toEqual(false)
-
-      global.MediaRecorder.prototype.foo = () => {}
-      expect(utils.supportsMediaRecorder()).toEqual(false)
-    })
-  })
-
   describe('isTouchDevice', () => {
     const RealTouchStart = global.window.ontouchstart
     const RealMaxTouchPoints = global.navigator.maxTouchPoints

src/plugins/Webcam/index.js

@@ -1,8 +1,8 @@
 const Plugin = require('../Plugin')
 const WebcamProvider = require('../../uppy-base/src/plugins/Webcam')
 const Translator = require('../../core/Translator')
-const { getFileTypeExtension,
-        supportsMediaRecorder } = require('../../core/Utils')
+const { getFileTypeExtension } = require('../../core/Utils')
+const supportsMediaRecorder = require('./supportsMediaRecorder')
 const WebcamIcon = require('./WebcamIcon')
 const CameraScreen = require('./CameraScreen')
 const PermissionsScreen = require('./PermissionsScreen')

src/plugins/Webcam/supportsMediaRecorder.js

@@ -0,0 +1,4 @@
+module.exports = function supportsMediaRecorder () {
+  return typeof MediaRecorder === 'function' && !!MediaRecorder.prototype &&
+    typeof MediaRecorder.prototype.start === 'function'
+}

src/plugins/Webcam/supportsMediaRecorder.test.js

@@ -0,0 +1,20 @@
+const supportsMediaRecorder = require('./supportsMediaRecorder')
+
+describe('supportsMediaRecorder', () => {
+  it('should return true if MediaRecorder is supported', () => {
+    global.MediaRecorder = () => {}
+    global.MediaRecorder.prototype.start = () => {}
+    expect(supportsMediaRecorder()).toEqual(true)
+  })
+
+  it('should return false if MediaRecorder is not supported', () => {
+    global.MediaRecorder = undefined
+    expect(supportsMediaRecorder()).toEqual(false)
+
+    global.MediaRecorder = () => {}
+    expect(supportsMediaRecorder()).toEqual(false)
+
+    global.MediaRecorder.prototype.foo = () => {}
+    expect(supportsMediaRecorder()).toEqual(false)
+  })
+})