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diff --git a/src/templates/assets/javascripts/browser/location/hash/index.ts b/src/templates/assets/javascripts/browser/location/hash/index.ts
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+++ b/src/templates/assets/javascripts/browser/location/hash/index.ts
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+/*
+ * Copyright (c) 2016-2023 Martin Donath <martin.donath@squidfunk.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+import {
+  Observable,
+  filter,
+  fromEvent,
+  map,
+  merge,
+  shareReplay,
+  startWith
+} from "rxjs"
+
+import { getOptionalElement } from "~/browser"
+import { h } from "~/utilities"
+
+/* ----------------------------------------------------------------------------
+ * Functions
+ * ------------------------------------------------------------------------- */
+
+/**
+ * Retrieve location hash
+ *
+ * @returns Location hash
+ */
+export function getLocationHash(): string {
+  return location.hash.slice(1)
+}
+
+/**
+ * Set location hash
+ *
+ * Setting a new fragment identifier via `location.hash` will have no effect
+ * if the value doesn't change. When a new fragment identifier is set, we want
+ * the browser to target the respective element at all times, which is why we
+ * use this dirty little trick.
+ *
+ * @param hash - Location hash
+ */
+export function setLocationHash(hash: string): void {
+  const el = h("a", { href: hash })
+  el.addEventListener("click", ev => ev.stopPropagation())
+  el.click()
+}
+
+/* ------------------------------------------------------------------------- */
+
+/**
+ * Watch location hash
+ *
+ * @param location$ - Location observable
+ *
+ * @returns Location hash observable
+ */
+export function watchLocationHash(
+  location$: Observable<URL>
+): Observable<string> {
+  return merge(
+    fromEvent<HashChangeEvent>(window, "hashchange"),
+    location$
+  )
+    .pipe(
+      map(getLocationHash),
+      startWith(getLocationHash()),
+      filter(hash => hash.length > 0),
+      shareReplay(1)
+    )
+}
+
+/**
+ * Watch location target
+ *
+ * @param location$ - Location observable
+ *
+ * @returns Location target observable
+ */
+export function watchLocationTarget(
+  location$: Observable<URL>
+): Observable<HTMLElement> {
+  return watchLocationHash(location$)
+    .pipe(
+      map(id => getOptionalElement(`[id="${id}"]`)!),
+      filter(el => typeof el !== "undefined")
+    )
+}