node_modules ignore

server/node_modules/@formatjs/ecma402-abstract/lib/IsWellFormedCurrencyCode.js

@@ -0,0 +1,21 @@
+/**
+ * This follows https://tc39.es/ecma402/#sec-case-sensitivity-and-case-mapping
+ * @param str string to convert
+ */
+function toUpperCase(str) {
+    return str.replace(/([a-z])/g, function (_, c) { return c.toUpperCase(); });
+}
+var NOT_A_Z_REGEX = /[^A-Z]/;
+/**
+ * https://tc39.es/ecma402/#sec-iswellformedcurrencycode
+ */
+export function IsWellFormedCurrencyCode(currency) {
+    currency = toUpperCase(currency);
+    if (currency.length !== 3) {
+        return false;
+    }
+    if (NOT_A_Z_REGEX.test(currency)) {
+        return false;
+    }
+    return true;
+}