From e899eb794f723f6d6960140305a5e68ec44bf053 Mon Sep 17 00:00:00 2001
From: Saurabh Kumar Bajpai <saurabhkumarbajpaiai@gmail.com>
Date: Thu, 6 Aug 2026 23:02:29 +0530
Subject: [PATCH] fix: resolve 4 bugs in termui

---
 examples/calculator/src/index.tsx     | 2 +-
 examples/pomodoro-timer/src/index.tsx | 2 +-
 packages/dev-server/src/devtools.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..328248060 100644
--- a/examples/calculator/src/index.tsx
+++ b/examples/calculator/src/index.tsx
@@ -85,7 +85,7 @@ function safeEval(expr: string): string {
     if (tokens.length === 0) return '0';
 
     // Handle initial negative number
-    if (tokens[0] === '-' && tokens.length > 1 && !isNaN(Number(tokens[1]))) {
+    if (tokens[0] === '-' && tokens.length > 1 && !Number.isNaN(Number(tokens[1]))) {
         tokens.splice(0, 2, '-' + tokens[1]);
     }
 
diff --git a/examples/pomodoro-timer/src/index.tsx b/examples/pomodoro-timer/src/index.tsx
index cad749f32..6444f948d 100644
--- a/examples/pomodoro-timer/src/index.tsx
+++ b/examples/pomodoro-timer/src/index.tsx
@@ -182,7 +182,7 @@ class GradientProgressBar extends Widget {
 
         const attrs = styleToCellAttrs(this._style);
 
-        const label = this._showLabel ? ` ${Math.round(this._value * 100)}%` : '';
+        const label = this._showLabel ? ` ${Math.round(this._value * 100 + Number.EPSILON)}%` : '';
         const barWidth = Math.max(0, width - label.length);
         const filled = this._value <= 0 ? 0 : Math.round(barWidth * this._value);
         const empty = barWidth - filled;
diff --git a/packages/dev-server/src/devtools.ts b/packages/dev-server/src/devtools.ts
index 17222d074..c820a8b76 100644
--- a/packages/dev-server/src/devtools.ts
+++ b/packages/dev-server/src/devtools.ts
@@ -98,7 +98,7 @@ export class DevTools {
     captureFrame(): string {
         if (this._frameRows.length === 0) return '';
         let endIndex = this._frameRows.length;
-        while (endIndex > 0 && this._frameRows[endIndex - 1].trim() === '') {
+        while (endIndex > 0 && this._frameRows[endIndex - 1].trim().length === 0) {
             endIndex--;
         }
         const trimmedRows = this._frameRows.slice(0, endIndex);