Added camera selection to example; Upgrade to webpack 2.2

src/common/typedefs.js

@@ -24,3 +24,28 @@ Math.imul = Math.imul || function(a, b) {
     // the final |0 converts the unsigned value into a signed value
     return ((al * bl) + (((ah * bl + al * bh) << 16) >>> 0) | 0);
 };
+
+if (typeof Object.assign !== 'function') {
+    Object.assign = function(target) { // .length of function is 2
+        'use strict';
+        if (target === null) { // TypeError if undefined or null
+            throw new TypeError('Cannot convert undefined or null to object');
+        }
+
+        var to = Object(target);
+
+        for (var index = 1; index < arguments.length; index++) {
+            var nextSource = arguments[index];
+
+            if (nextSource !== null) { // Skip over if undefined or null
+                for (var nextKey in nextSource) {
+                    // Avoid bugs when hasOwnProperty is shadowed
+                    if (Object.prototype.hasOwnProperty.call(nextSource, nextKey)) {
+                        to[nextKey] = nextSource[nextKey];
+                    }
+                }
+            }
+        }
+        return to;
+    };
+}

src/input/camera_access.js

@@ -109,6 +109,11 @@ export function pickConstraints(videoConstraints) {
     return Promise.resolve(normalizedConstraints);
 }
 
+function enumerateVideoDevices() {
+    return enumerateDevices()
+    .then(devices => devices.filter(device => device.kind === 'videoinput'));
+}
+
 export default {
     request: function(video, videoConstraints) {
         return pickConstraints(videoConstraints)
@@ -120,5 +125,14 @@ export default {
             tracks[0].stop();
         }
         streamRef = null;
+    },
+    enumerateVideoDevices,
+    getActiveStreamLabel: function() {
+        if (streamRef) {
+            const tracks = streamRef.getVideoTracks();
+            if (tracks && tracks.length) {
+                return tracks[0].label;
+            }
+        }
     }
 };

src/quagga.js

@@ -539,5 +539,6 @@ export default {
     },
     ImageWrapper: ImageWrapper,
     ImageDebug: ImageDebug,
-    ResultCollector: ResultCollector
+    ResultCollector: ResultCollector,
+    CameraAccess: CameraAccess,
 };