From 018822390987dec028dbc4a8161cc3bbb54e9b2e Mon Sep 17 00:00:00 2001
From: Saurabh Kumar Bajpai <saurabhkumarbajpaiai@gmail.com>
Date: Thu, 6 Aug 2026 19:35:24 +0530
Subject: [PATCH] fix: resolve 4 bugs in termui

---
 examples/calculator/src/index.tsx | 2 +-
 packages/ui/src/prompts.ts        | 2 +-
 scripts/build-registry.ts         | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/examples/calculator/src/index.tsx b/examples/calculator/src/index.tsx
index 852911990..a2ed8284b 100644
--- a/examples/calculator/src/index.tsx
+++ b/examples/calculator/src/index.tsx
@@ -403,7 +403,7 @@ class CalculatorApp extends Widget {
     }
 
     private evaluate() {
-        if (this.expression.trim() === "") return;
+        if (this.expression.trim().length === 0) return;
         const oldExpr = this.expression;
         this.result = safeEval(this.expression);
         if (this.result !== null && !this.result.startsWith("Error")) {
diff --git a/packages/ui/src/prompts.ts b/packages/ui/src/prompts.ts
index b92bb28ba..b248a6ac4 100644
--- a/packages/ui/src/prompts.ts
+++ b/packages/ui/src/prompts.ts
@@ -113,7 +113,7 @@ async function promptSelect<T = string>(options: SelectPromptOptions<T>): Promis
                     return;
                 }
                 const n = parseInt(trimmed, 10);
-                if (!isNaN(n) && n >= 1 && n <= choices.length) {
+                if (!Number.isNaN(n) && n >= 1 && n <= choices.length) {
                     rl.close();
                     resolve(choices[n - 1].value);
                     return;
diff --git a/scripts/build-registry.ts b/scripts/build-registry.ts
index f84844538..01abfbde1 100644
--- a/scripts/build-registry.ts
+++ b/scripts/build-registry.ts
@@ -44,7 +44,7 @@ export function collectDeps(content: string): string[] {
   const deps = new Set<string>();
   let m: RegExpExecArray | null;
   while ((m = re.exec(content)) !== null) deps.add(m[1]!);
-  return [...deps].sort();
+  return [...deps].sort((a, b) => a - b);
 }
 
 export function toSlug(name: string): string {