Added autocomplete suggestions to the bibles path setting field. Cleaned up a few things.

package-lock.json

@@ -6,7 +6,7 @@
 	"packages": {
 		"": {
 			"name": "local-bible-ref",
-			"version": "1.0.1",
+			"version": "1.0.2",
 			"license": "MIT",
 			"devDependencies": {
 				"@types/node": "^16.11.6",

src/local-bible-ref-setting-tab.ts

@@ -1,9 +1,10 @@
 import LocalBibleRefPlugin from 'main';
 import { App, Notice, PluginSettingTab, Setting } from 'obsidian';
 import { PassageFormat } from './passage-reference';
+import { PathSuggest } from './path-suggest';
 
 export default class LocalBibleRefSettingTab extends PluginSettingTab {
-	plugin: LocalBibleRefPlugin;
+	private plugin: LocalBibleRefPlugin;
 
 	constructor(app: App, plugin: LocalBibleRefPlugin) {
 		super(app, plugin);
@@ -18,8 +19,8 @@ export default class LocalBibleRefSettingTab extends PluginSettingTab {
         new Setting(containerEl)
 			.setName('Bibles Path')
 			.setDesc('The path to the folder containing your bibles.')
-			.addText(text => text
-				.setPlaceholder('e.g. Data/Bibles')
+			.addText(text => {
+                text.setPlaceholder('e.g. Data/Bibles')
                     .setValue(this.plugin.settings.biblesPath)
                     .onChange(async (value) => {
                         this.plugin.settings.biblesPath = value;
@@ -30,7 +31,10 @@ export default class LocalBibleRefSettingTab extends PluginSettingTab {
                             const exists = await this.app.vault.adapter.exists(value);
                             if (!exists) new Notice(`Bibles folder doesn't exist at path: ${value}.`);
                         }, 1000);
-				}));
+                    });
+                
+                new PathSuggest(this.app, text.inputEl);
+            });
 
         let defaultVersionTimeout: NodeJS.Timeout;
         new Setting(containerEl)

src/passage-suggest.ts

@@ -5,6 +5,8 @@ import {
 	EditorSuggest,
 	EditorSuggestContext,
 	EditorSuggestTriggerInfo,
+	Notice,
+	TFile,
 	TFolder,
 } from "obsidian";
 import { PassageFormat, PassageReference } from "./passage-reference";
@@ -12,6 +14,7 @@ import { LocalBibleRefSettings } from "./settings";
 
 export class PassageSuggest extends EditorSuggest<PassageSuggestion> {
 	private settings: LocalBibleRefSettings;
+	private noSettingsNotice: Notice;
 
 	constructor(app: App, settings: LocalBibleRefSettings) {
 		super(app);
@@ -21,15 +24,27 @@ export class PassageSuggest extends EditorSuggest<PassageSuggestion> {
 	onTrigger(
 		cursor: EditorPosition,
 		editor: Editor,
-		_: any
+		_: TFile | null
 	): EditorSuggestTriggerInfo | null {
-		// min ref length is 6 ('--gen1')
-		if (cursor.ch < 6) return null;
-
 		// line must start with '--'
 		const line = editor.getLine(cursor.line);
 		if (!line.startsWith("--")) return null;
 
+		// if no settings, alert user
+		if (!this.settings.biblesPath) {
+			if (!this.noSettingsNotice?.noticeEl.isShown()) {
+				const noticeText = "Local Bible Ref settings are not " +
+					"configured. Please set the bibles path before " +
+					"attempting to reference passages.";
+				this.noSettingsNotice = new Notice(noticeText);
+			}
+
+			return null;
+		}
+
+		// min ref length is 6 ('--gen1')
+		if (cursor.ch < 6) return null;
+
 		// must be a passage ref
 		const isPassage = PassageReference.regExp.test(line);
 		if (!isPassage) return null;
@@ -48,9 +63,14 @@ export class PassageSuggest extends EditorSuggest<PassageSuggestion> {
 	async getSuggestions(
 		context: EditorSuggestContext
 	): Promise<PassageSuggestion[]> {
+		let version = this.settings.defaultVersionShorthand;
+		if (!version) {
+			const folder = this.app.vault.getFolderByPath(this.settings.biblesPath);
+			version = folder?.children?.filter(c => c instanceof TFolder)?.first()?.name ?? '';
+		}
 		const passageRef = PassageReference.parse(
 			context.query,
-			this.settings.defaultVersionShorthand,
+			version,
 			this.settings.defaultPassageFormat,
 		);
 		if (!passageRef) return [];
@@ -90,7 +110,7 @@ export class PassageSuggest extends EditorSuggest<PassageSuggestion> {
 	}
 
 	renderSuggestion(item: PassageSuggestion, el: HTMLElement): void {
-		el.innerText = item.excerpt;
+		el.setText(item.excerpt);
 	}
 
 	selectSuggestion(

src/path-suggest.ts

@@ -0,0 +1,27 @@
+import { AbstractInputSuggest, App } from "obsidian";
+
+export class PathSuggest extends AbstractInputSuggest<string> {
+    private textInputEl: HTMLInputElement | HTMLDivElement;
+
+    constructor(app: App, textInputEl: HTMLInputElement | HTMLDivElement) {
+        super(app, textInputEl);
+        this.textInputEl = textInputEl;
+    }
+
+    async getSuggestions(query: string): Promise<string[]> {
+        let searchPath = '';
+        if (await this.app.vault.adapter.exists(query)) searchPath = query;
+        let folders = (await this.app.vault.adapter.list(searchPath)).folders;
+        folders = folders.filter(folder => !folder.startsWith('.') && folder.startsWith(query));
+        return folders;
+    }
+
+    renderSuggestion(item: string, el: HTMLElement): void {
+        el.setText(item);
+    }
+
+    selectSuggestion(item: string, _: MouseEvent | KeyboardEvent): void {
+        this.setValue(item);
+        this.textInputEl.dispatchEvent(new Event('input'));
+    }
+}