refactor(docs): optmst `docs` dir & `deps`

2 files changed, 120 insertions, 0 deletions

diff --git a/docs/src/templates/assets/javascripts/components/search/highlight/.eslintrc b/docs/src/templates/assets/javascripts/components/search/highlight/.eslintrc
new file mode 100644
index 00000000..38a5714d
--- /dev/null
+++ b/docs/src/templates/assets/javascripts/components/search/highlight/.eslintrc
@@ -0,0 +1,5 @@
+{
+  "rules": {
+    "no-null/no-null": "off"
+  }
+}
diff --git a/docs/src/templates/assets/javascripts/components/search/highlight/index.ts b/docs/src/templates/assets/javascripts/components/search/highlight/index.ts
new file mode 100644
index 00000000..bc3f94c9
--- /dev/null
+++ b/docs/src/templates/assets/javascripts/components/search/highlight/index.ts
@@ -0,0 +1,115 @@
+/*
+ * 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,
+  ObservableInput,
+  combineLatest,
+  filter,
+  map,
+  startWith
+} from "rxjs"
+
+import { getLocation } from "~/browser"
+import {
+  SearchIndex,
+  setupSearchHighlighter
+} from "~/integrations"
+import { h } from "~/utilities"
+
+import { Component } from "../../_"
+
+/* ----------------------------------------------------------------------------
+ * Types
+ * ------------------------------------------------------------------------- */
+
+/**
+ * Search highlighting
+ */
+export interface SearchHighlight {
+  nodes: Map<ChildNode, string>        /* Map of replacements */
+}
+
+/* ----------------------------------------------------------------------------
+ * Helper types
+ * ------------------------------------------------------------------------- */
+
+/**
+ * Mount options
+ */
+interface MountOptions {
+  index$: ObservableInput<SearchIndex> /* Search index observable */
+  location$: Observable<URL>           /* Location observable */
+}
+
+/* ----------------------------------------------------------------------------
+ * Functions
+ * ------------------------------------------------------------------------- */
+
+/**
+ * Mount search highlighting
+ *
+ * @param el - Content element
+ * @param options - Options
+ *
+ * @returns Search highlighting component observable
+ */
+export function mountSearchHiglight(
+  el: HTMLElement, { index$, location$ }: MountOptions
+): Observable<Component<SearchHighlight>> {
+  return combineLatest([
+    index$,
+    location$
+      .pipe(
+        startWith(getLocation()),
+        filter(url => !!url.searchParams.get("h"))
+      )
+  ])
+    .pipe(
+      map(([index, url]) => setupSearchHighlighter(index.config)(
+        url.searchParams.get("h")!
+      )),
+      map(fn => {
+        const nodes = new Map<ChildNode, string>()
+
+        /* Traverse text nodes and collect matches */
+        const it = document.createNodeIterator(el, NodeFilter.SHOW_TEXT)
+        for (let node = it.nextNode(); node; node = it.nextNode()) {
+          if (node.parentElement?.offsetHeight) {
+            const original = node.textContent!
+            const replaced = fn(original)
+            if (replaced.length > original.length)
+              nodes.set(node as ChildNode, replaced)
+          }
+        }
+
+        /* Replace original nodes with matches */
+        for (const [node, text] of nodes) {
+          const { childNodes } = h("span", null, text)
+          node.replaceWith(...Array.from(childNodes))
+        }
+
+        /* Return component */
+        return { ref: el, nodes }
+      })
+    )
+}