store.setState

This is used to create a state and map it to a key so that you won't need to use it directly, instead you use a key to get it. store.setState takes two required parameters, a key(string) to map to a state object and the initial value or state initializer, In addition to those two parameters it takes a third optional parameter which is the configuration object. persist is the only available config which is the flag to determine whether to save/persist state in a permanent storage or not.

// Signature
store.setState(key: String, initialState: Any, config?: {persist: Boolean});

// Or with lazy state initializer

store.setState(key: String, stateInitializer: () => Any, config?: {persist: Boolean})

Here is how to use it

const userState = {
    name: "Yezy",
    age: 25,
    email: "yezy@me.com"
}
store.setState("user", userState);

info

store.setState should be used outside of a react component.