useArrayMap

v0.0.15testeddemo

Reactive `Array.prototype.map`.

Example

const list = ref([1, 2, 3]);
const doubled = useArrayMap(list, n => n * 2); // [2, 4, 6]

Demo

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Signature

export function useArrayMap<T, U = T>(
  list: MaybeRefOrGetter<Array<MaybeRefOrGetter<T>>>,
  fn: (element: T, index: number, array: T[]) => U,
): ComputedRef<U[]>{ ... }

Type Parameters

T

U= T

Parameters

Parameter	Type	Default	Description
`list`	`MaybeRefOrGetter<MaybeRefOrGetter<T>[]>`	—	The source array (items can be reactive)
`fn`	`(element: T, index: number, array: T[]) => U`	—	Mapper

Returns

ComputedRef<U[]>The mapped array