use https://github.com/nunocoracao/blowfish.git

themes/blowfish/assets/lib/mermaid/diagrams/state/id-cache.d.ts

@@ -0,0 +1,11 @@
+export function set(key: any, val: any): void;
+export function get(k: any): any;
+export function keys(): string[];
+export function size(): number;
+declare namespace _default {
+    export { get };
+    export { set };
+    export { keys };
+    export { size };
+}
+export default _default;