bugfix: compute sequenceindex in root instance and pass it down as prop to infobar and metadata

src/App.vue

@@ -108,8 +108,7 @@ export default {
               }
               this.$root.$emit('update-item', node.label);
               this.$root.$emit('update-item-index', this.getItemIndex(node.label));
-              this.$root.$emit('update-nav-sequence', this.getSequenceIndex(label));
-              this.$root.$emit('update-sequence-index', label);
+              this.$root.$emit('update-sequence-index', this.getSequenceIndex(label));
             },
           },
         );
@@ -148,10 +147,10 @@ export default {
           }
         });
     },
-    getSequenceIndex(nodelabel) {
+    getSequenceIndex(label) {
       let index = 0;
       this.manifests.forEach((manifest, idx) => {
-        if (manifest.label === nodelabel) {
+        if (manifest.label === label) {
           index = idx;
         }
       });

src/components/infobar.vue

@@ -42,12 +42,8 @@ export default {
     this.fasChevronRight = fasChevronRight;
   },
   mounted() {
-    this.$root.$on('update-sequence-index', (nodelabel) => {
-      this.manifests.forEach((manifest, index) => {
-        if (manifest.label === nodelabel) {
-          this.sequenceindex = index;
-        }
-      });
+    this.$root.$on('update-sequence-index', (index) => {
+      this.sequenceindex = index;
     });
   },
 };

src/components/metadata.vue

@@ -64,12 +64,8 @@ export default {
     },
   },
   mounted() {
-    this.$root.$on('update-sequence-index', (nodelabel) => {
-      this.manifests.forEach((manifest, index) => {
-        if (manifest.label === nodelabel) {
-          this.sequenceindex = index;
-        }
-      });
+    this.$root.$on('update-sequence-index', (index) => {
+      this.sequenceindex = index;
     });
   },
 };

src/mixins/navigation.js

@@ -85,7 +85,7 @@ export default {
       this.itemindex = index;
     });
 
-    this.$root.$on('update-nav-sequence', (nodelabel) => {
+    this.$root.$on('update-sequence-index', (nodelabel) => {
       this.manifests.forEach((manifest, index) => {
         if (manifest.label === nodelabel) {
           this.sequenceindex = index;