Hide .md extension in settings suggesters

src/gui/suggesters/genericTextSuggester.test.ts

@@ -0,0 +1,70 @@
+import { describe, expect, it, vi } from "vitest";
+import { GenericTextSuggester } from "./genericTextSuggester";
+
+describe("GenericTextSuggester", () => {
+	describe("renderSuggestion", () => {
+		it("normalizes the query when typing a partial .md extension so highlights still match", () => {
+			const el = document.createElement("div");
+			const renderMatch = vi.fn();
+
+			GenericTextSuggester.prototype.renderSuggestion.call(
+				{
+					getCurrentQuery: () => "note.m",
+					renderMatch,
+				} as any,
+				"note.md",
+				el,
+			);
+
+			expect(renderMatch).toHaveBeenCalledWith(el, "note", "note");
+		});
+
+		it("treats .md extension matching as case-insensitive", () => {
+			const el = document.createElement("div");
+			const renderMatch = vi.fn();
+
+			GenericTextSuggester.prototype.renderSuggestion.call(
+				{
+					getCurrentQuery: () => "Note.M",
+					renderMatch,
+				} as any,
+				"Note.MD",
+				el,
+			);
+
+			expect(renderMatch).toHaveBeenCalledWith(el, "Note", "Note");
+		});
+
+		it("normalizes query when suggestion and query casing differ", () => {
+			const el = document.createElement("div");
+			const renderMatch = vi.fn();
+
+			GenericTextSuggester.prototype.renderSuggestion.call(
+				{
+					getCurrentQuery: () => "note.m",
+					renderMatch,
+				} as any,
+				"Note.MD",
+				el,
+			);
+
+			expect(renderMatch).toHaveBeenCalledWith(el, "Note", "Note");
+		});
+
+		it("does not change query normalization for non-markdown files", () => {
+			const el = document.createElement("div");
+			const renderMatch = vi.fn();
+
+			GenericTextSuggester.prototype.renderSuggestion.call(
+				{
+					getCurrentQuery: () => "note.j",
+					renderMatch,
+				} as any,
+				"note.js",
+				el,
+			);
+
+			expect(renderMatch).toHaveBeenCalledWith(el, "note.js", "note.j");
+		});
+	});
+});

src/gui/suggesters/genericTextSuggester.ts

@@ -1,6 +1,10 @@
 import type { App } from "obsidian";
 import { TextInputSuggest } from "./suggest";
-import { normalizeDisplayItem, normalizeQuery } from "./utils";
+import {
+	normalizeDisplayItem,
+	normalizeQuery,
+	stripMdExtensionForDisplay,
+} from "./utils";
 
 export class GenericTextSuggester extends TextInputSuggest<string> {
 	constructor(
@@ -35,7 +39,15 @@ export class GenericTextSuggester extends TextInputSuggest<string> {
 
 	renderSuggestion(value: string, el: HTMLElement): void {
 		if (!value) return;
-		this.renderMatch(el, value, this.getCurrentQuery());
+		const displayValue = stripMdExtensionForDisplay(value);
+		let displayQuery = stripMdExtensionForDisplay(this.getCurrentQuery());
+		if (
+			value.toLowerCase().endsWith(".md") &&
+			displayQuery.toLowerCase().startsWith(`${displayValue.toLowerCase()}.`)
+		) {
+			displayQuery = displayValue;
+		}
+		this.renderMatch(el, displayValue, displayQuery);
 	}
 
 	protected getCurrentQuery(): string {

src/gui/suggesters/utils.test.ts

@@ -4,7 +4,8 @@ import {
 	replaceRange, 
 	getTextBeforeCursor, 
 	renderExactHighlight, 
-	renderFuzzyHighlight 
+	renderFuzzyHighlight,
+	stripMdExtensionForDisplay,
 } from "./utils";
 
 // Mock HTMLInputElement for testing
@@ -155,4 +156,27 @@ describe("Suggester Utils", () => {
 			expect(el.innerHTML).toBe('&lt;<mark class="qa-highlight">i</mark>mg src=x&gt;');
 		});
 	});
+
+	describe("stripMdExtensionForDisplay", () => {
+		it("strips only a trailing .md extension (case-insensitive)", () => {
+			expect(stripMdExtensionForDisplay("file.md")).toBe("file");
+			expect(stripMdExtensionForDisplay("folder/file.md")).toBe("folder/file");
+			expect(stripMdExtensionForDisplay("FILE.MD")).toBe("FILE");
+		});
+
+		it("does not strip other extensions", () => {
+			expect(stripMdExtensionForDisplay("file.js")).toBe("file.js");
+			expect(stripMdExtensionForDisplay("file.canvas")).toBe("file.canvas");
+		});
+
+		it("does not strip .md when it is not the final suffix", () => {
+			expect(stripMdExtensionForDisplay("file.md.backup")).toBe(
+				"file.md.backup",
+			);
+			expect(stripMdExtensionForDisplay("file.md.md")).toBe("file.md");
+			expect(stripMdExtensionForDisplay("{{TEMPLATE:folder/file.md}}")).toBe(
+				"{{TEMPLATE:folder/file.md}}",
+			);
+		});
+	});
 });

src/gui/suggesters/utils.ts

@@ -16,6 +16,11 @@ export function normalizeForSearch(value: string): string {
 	return value.normalize("NFC").toLowerCase();
 }
 
+// Display-only helper: keep stored path intact, but hide trailing ".md" in UI labels.
+export function stripMdExtensionForDisplay(value: string): string {
+	return value.toLowerCase().endsWith(".md") ? value.slice(0, -3) : value;
+}
+
 /**
  * Insert text at cursor position
  */