feat: elapsed + drift formatting helpers

2026-07-20 13:58:49 +01:00
parent c01917d38a
commit 80c8ecb5c8
2 changed files with 29 additions and 0 deletions
@@ -0,0 +1,16 @@
+import { describe, it, expect } from 'vitest';
+import { fmtElapsed, fmtDrift } from '../../src/core/format.js';
+
+describe('formatting', () => {
+  it('formats elapsed time', () => {
+    expect(fmtElapsed(0)).toBe('0:00');
+    expect(fmtElapsed(65 * 1000)).toBe('0:01');
+    expect(fmtElapsed(112 * 60 * 1000)).toBe('1:52');
+  });
+  it('formats drift with direction', () => {
+    expect(fmtDrift(null)).toBe('');
+    expect(fmtDrift(0)).toBe('on time');
+    expect(fmtDrift(6)).toBe('+6 behind');
+    expect(fmtDrift(-3)).toBe('3 ahead');
+  });
+});