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fromPairs

A function that converts an array of [key, value] pair entries into an object.

It performs the opposite of toPairs, returning an object whose keys are the first element of each pair and whose values are the second element.


Code​

🔗 View source code


Interface​

typescript
function fromPairs<T extends [PropertyKey, any][]>(
  pairs: T
): Record<T[number][0], T[number][1]>;

Parameters​

NameTypeDefaultDescription
pairs[PropertyKey, any][]-The array of [key, value] pairs to convert into an object.

Returns​

TypeDescription
Record<T[number][0], T[number][1]>Returns an object with each pair as a property.

Usage​

typescript
import { fromPairs } from '@modern-kit/utils';

fromPairs([
  ['a', 1],
  ['b', 2],
]);
// { a: 1, b: 2 }  →  Record<string, number>

// When passed as const, keys/values are inferred as literals.
fromPairs([
  ['a', 1],
  ['b', 2],
] as const);
// { a: 1, b: 2 }  →  Record<'a' | 'b', 1 | 2>