Hide TOC if it only contains a single "top" item

src/App.vue

@@ -100,7 +100,7 @@ export default {
 			return this.$store.manifest?.items?.some((canvas) => 'annotations' in canvas);
 		},
 		hasToc() {
-			return this.$store.manifest?.structures?.length > 0;
+			return this.$store.structures.some((structure) => !structure.behavior?.includes('top'));
 		},
 	},
 	created() {

src/plugins/store.js

@@ -125,7 +125,7 @@ function Store(args) {
 			return sections;
 		}),
 		structures: computed(() => {
-			if (!store.manifest.structures) {
+			if (!store.manifest?.structures) {
 				return [];
 			}
 

tests/e2e/toc.spec.js

@@ -87,4 +87,12 @@ describe('TOC', () => {
 			.should('not.contain', 'Table of Contents')
 			.contains('Miniatur: Jesu Gebet in Gethsemane');
 	});
+
+	it('hides the whole TOC if it only contains a single "top" item', () => {
+		const manifestUrl = `${Cypress.env('iiifApiUrl')}/manifest/bodleian-faeff7fb-f8a7-44b5-95ed-cff9a9ffd198.json`;
+
+		cy.visit(`/?manifest=${manifestUrl}`);
+
+		cy.contains('Contents').should('not.exist');
+	});
 });