Bugfix: error with string interpolating undefined parameters

Author: aitherios

package.json

@@ -1,6 +1,6 @@
 {
   "name": "react-metrics-service",
-  "version": "0.0.6-beta",
+  "version": "0.0.7-beta",
   "description": "React adapter for metrics services like Google Analytics, Tealium or Comcast.",
   "main": "dist/index.js",
   "scripts": {

src/dispatchers/google-analytics-legacy.js

@@ -1,5 +1,5 @@
 const googleAnalyticsLegacy = ({
-  trackingID,
+  trackingID = '',
 }) => ({
   componentDidMount: () => {
     if (document) {
@@ -20,7 +20,7 @@ const googleAnalyticsLegacy = ({
       document.head.appendChild(elem)
     }
   },
-  gaPush: (...args) => {
+  2: (...args) => {
     window._gaq.push(...args)
   },
   gaPageView: () => {

src/dispatchers/google-analytics.js

@@ -1,5 +1,5 @@
 const googleAnalytics = ({
-  trackingID,
+  trackingID = '',
 }) => ({
   componentDidMount: () => {
     if (document) {

src/dispatchers/google-tag-manager.js

@@ -1,7 +1,7 @@
 /* eslint-disable quotes, camelcase */
 
 const googleTagManager = ({
-  containerID,
+  containerID = '',
   dataLayer = {},
 }) => ({
   componentDidMount: () => {

src/dispatchers/tealium.js

@@ -1,9 +1,9 @@
 /* eslint-disable quotes, camelcase */
 
 const tealium = ({
-  account,
-  profile,
-  env,
+  account = '',
+  profile = '',
+  env = '',
   utag_data = {},
   url,
 }) => ({