Formatting + moved search index fetching to top level

src/assets/javascripts/utilities/string/index.ts

@@ -20,6 +20,8 @@
  * IN THE SOFTWARE.
  */
 
+import { configuration } from "~/_"
+
 /* ----------------------------------------------------------------------------
  * Functions
  * ------------------------------------------------------------------------- */
@@ -88,3 +90,18 @@ export function hash(value: string): number {
   }
   return h
 }
+
+/**
+ * Add a digest to a value to ensure uniqueness
+ *
+ * When a single account hosts multiple sites on the same GitHub Pages domain,
+ * entries would collide, because session and local storage are not unique.
+ *
+ * @param value - Value
+ *
+ * @returns Value with digest
+ */
+export function digest(value: string): string {
+  const config = configuration()
+  return `${value}[${hash(config.base)}]`
+}