computed
Creates a reactive computed property.
Signature
function computed<T>(getter: () => T): { value: T };
Parameters
getter
: A function that computes the value based on reactive dependencies.
Returns
- An
object
with avalue
property that updates reactively.
Example
const state = reactive({ count: 1 });
const doubled = computed(() => state.count * 2);
console.log(doubled.value); // 2
state.count = 3;
console.log(doubled.value); // 6