🎉 init

shared/utils/money.test.ts

@@ -0,0 +1,18 @@
+import { describe, expect, it } from 'vitest'
+import { formatCurrency, fromCents, toCents } from './money'
+
+describe('money helpers', () => {
+  it('converts amounts to cents', () => {
+    expect(toCents(12.34)).toBe(1234)
+    expect(toCents(5)).toBe(500)
+  })
+
+  it('converts cents back to amounts', () => {
+    expect(fromCents(1234)).toBe(12.34)
+  })
+
+  it('formats cents as a localized currency string', () => {
+    expect(formatCurrency(1234, 'EUR')).toContain('12')
+    expect(formatCurrency(1234, 'EUR')).toContain('34')
+  })
+})