Randomize order of options

src/rand.ts

@@ -0,0 +1,9 @@
+export default function randomize<T>(input: T[]): T[] {
+    let res: T[] = [];
+    input = [...input];
+    while (input.length > 0) {
+        let randomIndex = Math.floor(Math.random() * input.length);
+        res.push(...input.splice(randomIndex, 1));
+    }
+    return res;
+}