prevent undefined error

87f562d2 · Henrik Askjer · 879d6449 · 87f562d2
Commit 87f562d2 authored 3 years ago by Henrik Askjer
--- a/src/components/Definition.vue
+++ b/src/components/Definition.vue
@@ -82,10 +82,12 @@ var Definition = {
  watch:{
    $route(to, from) {
      let ref = 'def' + this.body.id
-      if(location.hash.substring(1) == ref){
+      if (this.$refs[ref]) {
-        this.$refs[ref].classList.add('highlighted')
+        if(location.hash.substring(1) == ref){
-      }else{
+          this.$refs[ref].classList.add('highlighted')
-        this.$refs[ref].classList.remove('highlighted')
+        }else {
+          this.$refs[ref].classList.remove('highlighted')
+        }
      }
    }
  }