feat: Allow #heading as display title setting (#434)

* feat: Allow #heading as display name setting

* Add displayTitle usage to create markdown link

* Tweak description text

* Address comments

src/components/ModalVault.svelte

@@ -240,9 +240,10 @@
     // Generate link
     let link: string
     if (file && active) {
-      link = plugin.app.fileManager.generateMarkdownLink(file, active.path)
+      link = plugin.app.fileManager.generateMarkdownLink(file, active.path, "", selectedNote.displayTitle)
     } else {
-      link = `[[${selectedNote.basename}.${getExtension(selectedNote.path)}]]`
+      const maybeDisplayTitle = selectedNote.displayTitle === "" ? "" : `|${selectedNote.displayTitle}`
+      link = `[[${selectedNote.basename}.${getExtension(selectedNote.path)}${maybeDisplayTitle}]]`
     }
 
     // Inject link

src/components/ResultItemVault.svelte

@@ -172,9 +172,11 @@
         <span>
           {@html plugin.textProcessor.highlightText(title, matchesTitle)}
         </span>
+        {#if !note.displayTitle}
           <span class="omnisearch-result__extension">
             .{getExtension(note.path)}
           </span>
+        {/if}
 
         <!-- Counter -->
         {#if note.matches.length > 0}

src/repositories/documents-repository.ts

@@ -215,8 +215,12 @@ export class DocumentsRepository {
         }
       }
     }
-    const displayTitle =
+    let displayTitle: string
-      metadata?.frontmatter?.[this.plugin.settings.displayTitle] ?? ''
+    if (this.plugin.settings.displayTitle === '#heading') {
+      displayTitle = metadata?.headings?.find(h => h.level === 1)?.heading ?? ''
+    } else {
+      displayTitle = metadata?.frontmatter?.[this.plugin.settings.displayTitle] ?? ''
+    }
     const tags = getTagsFromMetadata(metadata)
     return {
       basename: file.basename,

src/settings.ts

@@ -242,7 +242,7 @@ export class SettingsTab extends PluginSettingTab {
     new Setting(containerEl)
       .setName('Set frontmatter property key as title')
       .setDesc(
-        htmlDescription(`If you have a custom property in your notes that you want to use as the title in search results.<br>
+        htmlDescription(`If you have a custom property in your notes that you want to use as the title in search results. If you set this to '#heading', then use the first heading from a file as the title.<br>
           Leave empty to disable.`)
       )
       .addText(component => {