Add custom order ability of Select options

src/bootstrap/Select.js

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2019 CZ.NIC z.s.p.o. (http://www.nic.cz/)
+ * Copyright (C) 2019-2021 CZ.NIC z.s.p.o. (http://www.nic.cz/)
  *
  * This is free software, licensed under the GNU General Public License v3.
  * See /LICENSE for more information.
@@ -18,18 +18,23 @@ Select.propTypes = {
     value: PropTypes.oneOfType([PropTypes.string, PropTypes.number]).isRequired,
     /** Help text message. */
     helpText: PropTypes.string,
+    /** Turns on/off alphabetical ordering of the Select options. */
+    customOrder: PropTypes.bool,
 };
 
-export function Select({ label, choices, helpText, ...props }) {
+export function Select({ label, choices, helpText, customOrder, ...props }) {
     const uid = useUID();
 
-    const options = Object.keys(choices)
-        .sort((a, b) => a - b || a.toString().localeCompare(b.toString()))
-        .map((key) => (
-            <option key={key} value={key}>
-                {choices[key]}
-            </option>
-        ));
+    const keys = Object.keys(choices);
+    if (!customOrder) {
+        keys.sort((a, b) => a - b || a.toString().localeCompare(b.toString()));
+    }
+    const options = keys.map((key) => (
+        <option key={key} value={key}>
+            {choices[key]}
+        </option>
+    ));
+
     return (
         <div className="form-group">
             <label htmlFor={uid}>{label}</label>