Disabling PDF indexing on mobile to avoid a crash

src/settings.ts

@@ -1,4 +1,10 @@
-import { Plugin, PluginSettingTab, Setting, SliderComponent } from 'obsidian'
+import {
+  Platform,
+  Plugin,
+  PluginSettingTab,
+  Setting,
+  SliderComponent,
+} from 'obsidian'
 import { writable } from 'svelte/store'
 import { notesCacheFilePath, minisearchCacheFilePath } from './globals'
 import type OmnisearchPlugin from './main'
@@ -167,7 +173,8 @@ export class SettingsTab extends PluginSettingTab {
         })
       )
 
-    // PDF Indexing
+    // PDF Indexing - not available on mobile
+    if (!Platform.isMobileApp) {
       const indexPDFsDesc = new DocumentFragment()
       indexPDFsDesc.createSpan({}, span => {
         span.innerHTML = `Omnisearch will include PDFs in search results.
@@ -184,7 +191,7 @@ export class SettingsTab extends PluginSettingTab {
             await saveSettings(this.plugin)
           })
         )
-
+    }
     // #endregion Behavior
 
     // #region User Interface
@@ -330,7 +337,9 @@ export const DEFAULT_SETTINGS: OmnisearchSettings = {
   ignoreDiacritics: true,
   indexedFileTypes: [] as string[],
   PDFIndexing: false,
-  backgroundProcesses: Math.max(1, Math.floor(require('os').cpus().length / 2)),
+  backgroundProcesses: Platform.isMobileApp
+    ? 0
+    : Math.max(1, Math.floor(require('os').cpus().length / 2)),
 
   showIndexingNotices: false,
   showShortName: false,