From 9f5b0a4efd1ca6f5274387df525630bb4319359a Mon Sep 17 00:00:00 2001
From: Leon Yu <leon@leonyu.net>
Date: Fri, 11 Oct 2024 21:41:24 -0400
Subject: [PATCH] Format callback

---
 src/AsyncUtils.ts |  4 ++--
 src/QRView.ts     | 13 +++++++------
 2 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/src/AsyncUtils.ts b/src/AsyncUtils.ts
index a53b5fc..2050317 100644
--- a/src/AsyncUtils.ts
+++ b/src/AsyncUtils.ts
@@ -1,6 +1,6 @@
-type Func<TInput extends unknown[], TOutput> = (...args: TInput) => TOutput;
+type Func<TInput extends never[], TOutput> = (...args: TInput) => TOutput;
 
-export function debounce<T extends Func<unknown[], void>>(
+export function debounce<T extends Func<never[], void>>(
   func: T,
   wait: number,
 ): Func<Parameters<T>, void> {
diff --git a/src/QRView.ts b/src/QRView.ts
index f1bb8b4..f6ed29d 100644
--- a/src/QRView.ts
+++ b/src/QRView.ts
@@ -15,12 +15,9 @@ export default class QRView {
     this.qrSvg = document.createElement('div');
     container.appendChild(this.qrSvg);
     this.updateInput('');
-    this.qrText.addEventListener(
-      'input',
-      debounce(() => {
-        this.updateInput(this.qrText.value);
-      }, 50),
-    );
+    this.qrText.addEventListener('input', () => {
+      this.debouncedUpdateInput(this.qrText.value);
+    });
   }
 
   updateInput(text: string): void {
@@ -28,6 +25,10 @@ export default class QRView {
     void this.updateQRCode(text);
   }
 
+  debouncedUpdateInput = debounce((text: string) => {
+    this.updateInput(text);
+  }, 50);
+
   private async updateQRCode(text: string): Promise<void> {
     this.qrSvg.innerHTML = await toString(text || EMPTY_QRCODE_SEGMENT, {
       type: 'svg',