rename variable

src/components/DictionaryView.vue

@@ -93,7 +93,7 @@ function QueryException(params) {
   this.params = params
 }
 
-function navigate_to_article(self, source) {
+function navigate_to_article(self, origin) {
   self.article = null
   self.waiting_for_articles = true
 
@@ -115,8 +115,8 @@ function navigate_to_article(self, source) {
   .then(function(response){
     self.waiting_for_articles = false
     self.replace_history()
-    if (source) {
-      self.$plausible.trackEvent('internal link incoming', {props: {origin: source}})
+    if (origin) {
+      self.$plausible.trackEvent('internal link incoming', {props: {origin}})
     }
   })
 }