From b344f021f5cca4d7f03b841ffe795bd6a689e9f2 Mon Sep 17 00:00:00 2001
From: "Marek S. Lukasiewicz" <marek@lukasiewicz.tech>
Date: Fri, 3 Jan 2025 18:47:04 +0100
Subject: [PATCH] Correctly extract hashtag content in links and Page Picker
 filter (fix #1196)

---
 plugs/markdown/markdown_render.ts | 5 +++--
 web/cm_plugins/widget_util.ts     | 3 ++-
 web/components/page_navigator.tsx | 3 ++-
 3 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/plugs/markdown/markdown_render.ts b/plugs/markdown/markdown_render.ts
index 5b8b822e..f7c7d339 100644
--- a/plugs/markdown/markdown_render.ts
+++ b/plugs/markdown/markdown_render.ts
@@ -15,6 +15,7 @@ import { Fragment, renderHtml, type Tag } from "./html_render.ts";
 import { isLocalPath } from "@silverbulletmd/silverbullet/lib/resolve";
 import type { PageMeta } from "@silverbulletmd/silverbullet/types";
 import * as TagConstants from "../../plugs/index/constants.ts";
+import { extractHashtag } from "../../plug-api/lib/tags.ts";
 
 export type MarkdownRenderOptions = {
   failOnUnknown?: true;
@@ -342,8 +343,8 @@ function render(
         name: "a",
         attrs: {
           class: "hashtag sb-hashtag",
-          "data-tag-name": tagText.replace("#", ""),
-          href: `/${TagConstants.tagPrefix}${tagText.replace("#", "")}`,
+          "data-tag-name": extractHashtag(tagText),
+          href: `/${TagConstants.tagPrefix}${extractHashtag(tagText)}`,
         },
         body: tagText,
       };
diff --git a/web/cm_plugins/widget_util.ts b/web/cm_plugins/widget_util.ts
index f2765ddf..39a9ddf5 100644
--- a/web/cm_plugins/widget_util.ts
+++ b/web/cm_plugins/widget_util.ts
@@ -1,6 +1,7 @@
 import { parsePageRef } from "@silverbulletmd/silverbullet/lib/page_ref";
 import type { Client } from "../client.ts";
 import { tagPrefix } from "../../plugs/index/constants.ts";
+import { extractHashtag } from "@silverbulletmd/silverbullet/lib/tags";
 
 export function attachWidgetEventHandlers(
   div: HTMLElement,
@@ -45,7 +46,7 @@ export function attachWidgetEventHandlers(
         return;
       }
       client.navigate({
-        page: `${tagPrefix}${el.innerText.slice(1)}`,
+        page: `${tagPrefix}${extractHashtag(el.innerText)}`,
         pos: 0,
       });
     });
diff --git a/web/components/page_navigator.tsx b/web/components/page_navigator.tsx
index f9460bc3..d63d2195 100644
--- a/web/components/page_navigator.tsx
+++ b/web/components/page_navigator.tsx
@@ -6,6 +6,7 @@ import type {
 } from "@codemirror/autocomplete";
 import type { PageMeta } from "../../plug-api/types.ts";
 import { tagRegex as mdTagRegex } from "$common/markdown_parser/constants.ts";
+import { extractHashtag } from "@silverbulletmd/silverbullet/lib/tags";
 
 const tagRegex = new RegExp(mdTagRegex.source, "g");
 
@@ -151,7 +152,7 @@ export function PageNavigator({
           const allTags = phrase.match(tagRegex);
           if (allTags) {
             // Search phrase contains hash tags, let's pre-filter the results based on this
-            const filterTags = allTags.map((t) => t.slice(1));
+            const filterTags = allTags.map((t) => extractHashtag(t));
             options = options.filter((pageMeta) => {
               if (!pageMeta.tags) {
                 return false;