Add lifecycleHook argument in vue plugin handler

Vue.js v2.2.0 also captures errors in component lifecycle hooks
https://vuejs.org/v2/api/#errorHandler

Author: ankurk91

plugins/vue.js

@@ -22,16 +22,23 @@ function vuePlugin(Raven, Vue) {
   if (!Vue || !Vue.config) return;
 
   var _oldOnError = Vue.config.errorHandler;
-  Vue.config.errorHandler = function VueErrorHandler(error, vm) {
+  Vue.config.errorHandler = function VueErrorHandler(error, vm, info) {
+    var metaData = {
+      componentName: formatComponentName(vm),
+      propsData: vm.$options.propsData
+    };
+
+    // lifecycleHook is not always available
+    if (typeof info !== 'undefined') {
+      metaData.lifecycleHook = info;
+    }
+
     Raven.captureException(error, {
-      extra: {
-        componentName: formatComponentName(vm),
-        propsData: vm.$options.propsData
-      }
+      extra: metaData
     });
 
     if (typeof _oldOnError === 'function') {
-      _oldOnError.call(this, error, vm);
+      _oldOnError.call(this, error, vm, info);
     }
   };
 }

test/plugins/vue.test.js

@@ -19,17 +19,13 @@ describe('Vue plugin', function() {
     it('should capture component name and propsData', function() {
       vuePlugin(Raven, this.MockVue);
 
-      this.MockVue.config.errorHandler(
-        new Error('foo'),
-        {
-          $options: {
-            propsData: {
-              foo: 'bar'
-            }
+      this.MockVue.config.errorHandler(new Error('foo'), {
+        $options: {
+          propsData: {
+            foo: 'bar'
           }
-        },
-        {} /* vm */
-      );
+        }
+      });
 
       assert.isTrue(Raven.captureException.calledOnce);
 
@@ -57,5 +53,27 @@ describe('Vue plugin', function() {
       assert.equal(errorHandler.args[0][0], err);
       assert.equal(errorHandler.args[0][1], vm);
     });
+
+    it('should capture lifecycle hook', function() {
+      vuePlugin(Raven, this.MockVue);
+
+      this.MockVue.config.errorHandler(
+        new Error('foo'),
+        {
+          $options: {
+            propsData: {}
+          }
+        },
+        'mounted'
+      );
+
+      assert.isTrue(Raven.captureException.calledOnce);
+
+      assert.deepEqual(Raven.captureException.args[0][1].extra, {
+        propsData: {},
+        componentName: 'anonymous component',
+        lifecycleHook: 'mounted'
+      });
+    });
   });
 });