Finished addressing review.

src/version-suggest.ts

@@ -0,0 +1,30 @@
+import { AbstractInputSuggest, App, TFolder } from "obsidian";
+import { LocalBibleRefSettings } from "./settings";
+
+export class VersionSuggest extends AbstractInputSuggest<string> {
+    private settings: LocalBibleRefSettings;
+    private textInputEl: HTMLInputElement | HTMLDivElement;
+
+    constructor(app: App, textInputEl: HTMLInputElement | HTMLDivElement, settings: LocalBibleRefSettings) {
+        super(app, textInputEl);
+        this.textInputEl = textInputEl;
+        this.settings = settings;
+    }
+
+    async getSuggestions(): Promise<string[]> {
+        const folder = this.app.vault.getFolderByPath(this.settings.biblesPath);
+        if (!folder) return [];
+        return folder.children
+            .filter(c => c instanceof TFolder)
+            .map(f => f.name);
+    }
+
+    renderSuggestion(item: string, el: HTMLElement): void {
+        el.setText(item);
+    }
+
+    selectSuggestion(item: string, _: MouseEvent | KeyboardEvent): void {
+        this.setValue(item);
+        this.textInputEl.dispatchEvent(new Event('input'));
+    }
+}