feat(cache): generate consistent cache keys based on input

itsmichaelbtw · Oct 11, 2022 · f05714a · f05714a
1 parent 7fe55ef
commit f05714a
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/lib/ttl-cache/hash.ts b/lib/ttl-cache/hash.ts
@@ -0,0 +1,13 @@
+export function hash(input: string): string {
+    if (typeof input !== "string") {
+        input = JSON.stringify(input);
+    }
+
+    const numberHash = input.split("").reduce((a, b) => {
+        a = (a << 5) - a + a * 24 + b.charCodeAt(0);
+        a |= 0;
+        return a;
+    }, 0);
+
+    return numberHash.toString(32);
+}