Typescript migration

* utils/strings.js
* utils/urlBuilder.js

server/utils/strings.ts

@@ -0,0 +1,23 @@
+import _ from "lodash"
+
+export function normalizeString (str: string): string {
+    return _.isString(str) ? str.trim().replace(/\s+/g, ' ') : str;
+}
+
+export function normalizeMac (mac: string): string {
+    // parts only contains values at odd indexes
+    const parts = mac.toUpperCase().replace(/:/g, '').split(/([A-F0-9]{2})/);
+
+    const macParts = [];
+
+    for (let i = 1; i < parts.length; i += 2) {
+        macParts.push(parts[i]);
+    }
+
+    return macParts.join(':');
+}
+
+export function parseInt (str: string): number | undefined {
+    const parsed = _.parseInt(str, 10);
+    return parsed.toString() === str ? parsed : undefined;
+}