key value pairs typescript
var item: {[key: string]: number}key value pairs typescript
var item: {[key: string]: number}key value typescript
interface Foo {
[key: string]: Bar;
}
let foo:Foo = {};typescript object key type
// For every properties K of type T, transform it to U
function mapObject<K extends string, T, U>(obj: Record<K, T>, f: (x: T) => U): Record<K, U>
const names = { foo: "hello", bar: "world", baz: "bye" };
const lengths = mapObject(names, s => s.length); // { foo: number, bar: number, baz: number }Copyright © 2021 Codeinu
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