beforeEach (() => { ...
let store = {};
const mockSessionStorage = {
getItem: (key: string): string => key in store ? store[key] : null,
setItem: (key: string, value: string) => store[key] = `${value}`,
removeItem: (key: string) => delete store[key],
clear: () => store = {}
};
...
and i get the Error Message The element implicitly has a type "any" because the expression of type "string" cannot be used for the index type "{}". No index signature with a parameter of type "string" was found for type "{}".ts(7053)
Also I'm new to typscript and don't know if it's because of the error message or if I'm doing something else wrong I would be happy if someone could take a quick look.
Try typing your store variable.
Something like this:
let store:{ [key: string]: string } = {};