Chore: a hash collision test

Build/lib/string-hash.ts

@@ -43,4 +43,15 @@ export function fnv1a52(str: string) {
   );
 }
 
+export function fnv1a(s: string) {
+  let h = 0x81_1C_9D_C5;
+
+  for (let i = 0, l = s.length; i < l; i++) {
+    h ^= s.charCodeAt(i);
+    h += (h << 1) + (h << 4) + (h << 7) + (h << 8) + (h << 24);
+  }
+
+  return (h >>> 0);
+}
+
 export const stringHash = (payload: string) => fnv1a52(payload).toString(36) + payload.length.toString(36);