first commit

src/utils/dateBR.js

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+// src/utils/dateBR.js
+
+export function pad2(n) {
+  return String(n).padStart(2, '0')
+}
+
+// ISO (YYYY-MM-DD) -> BR (DD-MM-YYYY)
+export function isoToBR(iso) {
+  if (!iso) return ''
+  const s = String(iso).slice(0, 10)
+  const [y, m, d] = s.split('-')
+  if (!y || !m || !d) return ''
+  return `${pad2(d)}-${pad2(m)}-${y}`
+}
+
+// BR (DD-MM-YYYY) -> ISO (YYYY-MM-DD)
+export function brToISO(br) {
+  if (!br) return null
+  const s = String(br).trim()
+  const m = s.match(/^(\d{2})-(\d{2})-(\d{4})$/)
+  if (!m) return null
+  const [, dd, mm, yyyy] = m
+  return `${yyyy}-${mm}-${dd}`
+}