WeakKey Type Error

Hi, I'm getting this error while running tests in an angular app. Occurred after upgrading to Angular 14->15.

node_modules/idb/build/wrap-idb-value.d.ts:2:53 - error TS2304: Cannot find name 'WeakKey'.
2 export declare const reverseTransformCache: WeakMap<WeakKey, any>;

I have these in tsConfig: "target": "ES2022", "module": "es2020", "lib": ["es2020", "dom"]

Let me know I can provide further specific details