useArrayUnique
reactive unique array
Usage
Use with array of multiple refs
js
import { useArrayUnique } from '@vueuse/core'
const item1 = ref(0)
const item2 = ref(1)
const item3 = ref(1)
const item4 = ref(2)
const item5 = ref(3)
const list = [item1, item2, item3, item4, item5]
const result = useArrayUnique(list)
// result.value: [0, 1, 2, 3]
item5.value = 1
// result.value: [0, 1, 2]
Use with reactive array
js
import { useArrayUnique } from '@vueuse/core'
const list = reactive([1, 2, 2, 3])
const result = useArrayUnique(list)
// result.value: [1, 2, 3]
list.push(1)
// result.value: [1, 2, 3]
Use with custom function
js
import { useArrayUnique } from '@vueuse/core'
const list = reactive([
{ id: 1, name: 'foo' },
{ id: 2, name: 'bar' },
{ id: 1, name: 'baz' },
])
const result = useArrayUnique(list, (a, b) => a.id === b.id)
// result.value: [{ id: 1, name: 'foo' }, { id: 2, name: 'bar' }]
list.push({ id: 1, name: 'qux' })
// result.value: [{ id: 1, name: 'foo' }, { id: 2, name: 'bar' }]
Type Declarations
typescript
/**
* reactive unique array
* @see https://vueuse.dev.org.tw/useArrayUnique
* @param list - the array was called upon.
* @param compareFn
* @returns A computed ref that returns a unique array of items.
*/
export declare function useArrayUnique<T>(
list: MaybeRefOrGetter<MaybeRefOrGetter<T>[]>,
compareFn?: (a: T, b: T, array: T[]) => boolean,
): ComputedRef<T[]>
Source
貢獻者
變更日誌
v12.8.0
於 2025/3/5v12.3.0
於 2025/1/259f75
- feat(toValue): 棄用 @vueuse/shared
的 toValue
,改用 Vue 原生方法v12.0.0-beta.1
於 2024/11/21v10.0.0-beta.4
於 2023/4/134d757
- feat(types)!: 將 MaybeComputedRef
重新命名為 MaybeRefOrGetter
0a72b
- feat(toValue): 將 resolveUnref
重新命名為 toValue
v10.0.0-beta.2
於 2023/3/28