Mass changes

resources/js/Pages/Imports/useCurrencyFormat.js

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+// Generic currency formatting composable with fallback chain.
+// Usage:
+// const { formatMoney, currentCurrency } = useCurrencyFormat({
+//   primary: clientCurrency, // e.g. 'EUR'
+//   fallbacks: ['EUR'],
+//   locale: 'sl-SI'
+// })
+// formatMoney(123.45) -> '123,45 €'
+
+import { ref, computed } from 'vue'
+
+export function useCurrencyFormat(options = {}) {
+  const {
+    primary = 'EUR',
+    fallbacks = ['EUR'],
+    locale = 'sl-SI',
+    minimumFractionDigits = 2,
+    maximumFractionDigits = 2,
+  } = options
+
+  const primaryCurrency = ref(primary)
+  const fallbackList = ref(Array.isArray(fallbacks) && fallbacks.length ? fallbacks : ['EUR'])
+
+  const currencyChain = computed(() => [primaryCurrency.value, ...fallbackList.value].filter(Boolean))
+
+  const formatterByCode = new Map()
+  function getFormatter(code) {
+    if (!code) return null
+    if (!formatterByCode.has(code)) {
+      try {
+        formatterByCode.set(
+          code,
+          new Intl.NumberFormat(locale, {
+            style: 'currency',
+            currency: code,
+            minimumFractionDigits,
+            maximumFractionDigits,
+          })
+        )
+      } catch (e) {
+        // invalid currency code – skip
+        formatterByCode.set(code, null)
+      }
+    }
+    return formatterByCode.get(code)
+  }
+
+  const activeCurrency = computed(() => {
+    for (const c of currencyChain.value) {
+      if (getFormatter(c)) return c
+    }
+    return 'EUR'
+  })
+
+  function formatMoney(val, overrideCurrency) {
+    if (val === null || val === undefined || val === '' || isNaN(val)) return '—'
+    const code = overrideCurrency || activeCurrency.value
+    const fmt = getFormatter(code) || getFormatter('EUR')
+    return fmt ? fmt.format(Number(val)) : Number(val).toFixed(2) + ' ' + code
+  }
+
+  return {
+    formatMoney,
+    activeCurrency,
+    primaryCurrency,
+    setCurrency(code) { primaryCurrency.value = code },
+  }
+}