computed

Signature

import { computed, Atom } from '@reaxium/core';

function computed<T>(
  fn: () => T,
  deps: Atom<unknown>[]
): Atom<T>

Parameters

Name	Type	Description
fn	() => T	Function to compute the value.
deps	Atom<unknown>[]	Atoms to watch for changes.

Returns

Type	Description
Atom<T>	A computed atom instance.

Example

const firstName = atom('John');
const lastName = atom('Doe');
const fullName = computed(
  () => `${firstName.get()} ${lastName.get()}`,
  [firstName, lastName]
);