1 files changed, 135 insertions, 0 deletions
diff --git a/src/templates/assets/javascripts/components/search/share/index.ts b/src/templates/assets/javascripts/components/search/share/index.ts
new file mode 100644
index 00000000..3db382c8
--- /dev/null
+++ b/src/templates/assets/javascripts/components/search/share/index.ts
@@ -0,0 +1,135 @@
+/*
+ * 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,
+  Subject,
+  endWith,
+  finalize,
+  fromEvent,
+  ignoreElements,
+  map,
+  takeUntil,
+  tap
+} from "rxjs"
+
+import { getLocation } from "~/browser"
+
+import { Component } from "../../_"
+import { SearchQuery } from "../query"
+
+/* ----------------------------------------------------------------------------
+ * Types
+ * ------------------------------------------------------------------------- */
+
+/**
+ * Search sharing
+ */
+export interface SearchShare {
+  url: URL                             /* Deep link for sharing */
+}
+
+/* ----------------------------------------------------------------------------
+ * Helper types
+ * ------------------------------------------------------------------------- */
+
+/**
+ * Watch options
+ */
+interface WatchOptions {
+  query$: Observable<SearchQuery>      /* Search query observable */
+}
+
+/**
+ * Mount options
+ */
+interface MountOptions {
+  query$: Observable<SearchQuery>      /* Search query observable */
+}
+
+/* ----------------------------------------------------------------------------
+ * Functions
+ * ------------------------------------------------------------------------- */
+
+/**
+ * Mount search sharing
+ *
+ * @param _el - Search sharing element
+ * @param options - Options
+ *
+ * @returns Search sharing observable
+ */
+export function watchSearchShare(
+  _el: HTMLElement, { query$ }: WatchOptions
+): Observable<SearchShare> {
+  return query$
+    .pipe(
+      map(({ value }) => {
+        const url = getLocation()
+        url.hash = ""
+
+        /* Compute readable query strings */
+        value = value
+          .replace(/\s+/g, "+")        /* Collapse whitespace */
+          .replace(/&/g, "%26")        /* Escape '&' character */
+          .replace(/=/g, "%3D")        /* Escape '=' character */
+
+        /* Replace query string */
+        url.search = `q=${value}`
+        return { url }
+      })
+    )
+}
+
+/**
+ * Mount search sharing
+ *
+ * @param el - Search sharing element
+ * @param options - Options
+ *
+ * @returns Search sharing component observable
+ */
+export function mountSearchShare(
+  el: HTMLAnchorElement, options: MountOptions
+): Observable<Component<SearchShare>> {
+  const push$ = new Subject<SearchShare>()
+  const done$ = push$.pipe(ignoreElements(), endWith(true))
+  push$.subscribe(({ url }) => {
+    el.setAttribute("data-clipboard-text", el.href)
+    el.href = `${url}`
+  })
+
+  /* Prevent following of link */
+  fromEvent(el, "click")
+    .pipe(
+      takeUntil(done$)
+    )
+      .subscribe(ev => ev.preventDefault())
+
+  /* Create and return component */
+  return watchSearchShare(el, options)
+    .pipe(
+      tap(state => push$.next(state)),
+      finalize(() => push$.complete()),
+      map(state => ({ ref: el, ...state }))
+    )
+}