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lukeggchapman/mapObj.ts

Created September 5, 2019 05:39
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Typescript map object
Raw
mapObj.ts
// Like array.map, but for objects
const mapObj = <U, T extends object>(
obj: T,
mapFn: (val: T[keyof T], key?: keyof T) => U
): { [K in keyof T]: U } => {
return Object.assign(
{},
...Object.entries(obj).map(([k, v]) => ({ [k]: mapFn(v, k as keyof T) }))
);
};
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