Handle a native angular minErr by deconstructing it

plugins/angular.js

@@ -24,18 +24,39 @@ function ExceptionHandlerProvider($provide) {
 }
 
 function exceptionHandler(Raven, $delegate) {
-    return function (ex, cause)     {
+    return function (ex, cause) {
         Raven.captureException(ex, {
             extra: { cause: cause }
         });
         $delegate(ex, cause);
     };
 }
 
+// See https://github.com/angular/angular.js/blob/v1.4.7/src/minErr.js
+var angularPattern = /^\[((?:[$a-zA-Z0-9]+:)?(?:[$a-zA-Z0-9]+))\] (.+?)\n(\S+)$/;
+
 Raven.addPlugin(function () {
     angular.module('ngRaven', [])
         .provider('Raven',  RavenProvider)
         .config(['$provide', ExceptionHandlerProvider]);
 });
 
+Raven.setDataCallback(function(data) {
+    // We only care about mutating an exception
+    var exception = data.exception;
+    if (exception) {
+        exception = exception.values[0];
+        var matches = angularPattern.exec(exception.value);
+
+        if (matches) {
+            // This type now becomes something like: $rootScope:inprog
+            exception.type = matches[1];
+            exception.value = matches[2];
+            data.message = exception.type + ': ' + exception.value;
+            // auto set a new tag specifically for the angular error url
+            data.extra.angularDocs = matches[3].substr(0, 250);
+        }
+    }
+});
+
 }(typeof window !== 'undefined' ? window : this));