Created
September 24, 2023 22:49
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Generic Types
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type Store = { | |
name: string; | |
age: number; | |
hobbies: string[]; | |
}; | |
function createStore<T extends Record<string, any>>(initialStore: T) { | |
const store = initialStore; | |
return { | |
get<K extends keyof Store>(key: K) { | |
return store[key]; | |
}, | |
set<K extends keyof Store>(key: K, value: T[K]) { | |
store[key] = value; | |
} | |
}; | |
} | |
const store = createStore<Store>({ | |
name: "Iurii", | |
age: 10, | |
hobbies: [] | |
}); | |
type MyStore = typeof store; | |
// type MyStore = ReturnType<typeof createStore<Store>>; | |
store.set("age", 50); | |
store.set("name", 435); | |
const age = store.get("age"); | |
const name = store.get("name"); | |
const hobbies = store.get("hobbies"); | |
function Header(store: MyStore) { | |
store.get("age") | |
} | |
Header(store) | |
export default function App() { | |
return ( | |
<div className="App"> | |
<h1>Generic Types</h1> | |
</div> | |
); | |
} |
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