price function global (needs review)

resources/js/utils/format-price.js

@@ -0,0 +1,19 @@
+// Mirrors App\Support\Price::format() — keep both in sync. Greek formatting:
+// comma as the decimal separator, dot as the thousands separator, and no
+// decimals shown unless the amount actually needs them.
+// 19.00 -> "€19", 19.50 -> "€19,5", 19.55 -> "€19,55"
+export function formatPrice(amount, currency = '€') {
+    if (amount === null || amount === undefined) return null
+
+    const value = Math.round(parseFloat(amount) * 100) / 100
+    const cents = Math.round(value * 100)
+
+    const decimals = cents % 100 === 0 ? 0 : (cents % 10 === 0 ? 1 : 2)
+
+    const formatted = value.toLocaleString('el-GR', {
+        minimumFractionDigits: decimals,
+        maximumFractionDigits: decimals,
+    })
+
+    return currency + formatted
+}