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Pulled ALL skills from 15 source repositories: - anthropics/skills: 16 (docs, design, MCP, testing) - obra/superpowers: 14 (TDD, debugging, agents, planning) - coreyhaines31/marketingskills: 25 (marketing, CRO, SEO, growth) - better-auth/skills: 5 (auth patterns) - vercel-labs/agent-skills: 5 (React, design, Vercel) - antfu/skills: 16 (Vue, Vite, Vitest, pnpm, Turborepo) - Plus 13 individual skills from various repos Mosaic Stack is not limited to coding — the Orchestrator and subagents serve coding, business, design, marketing, writing, logistics, analysis, and more. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
77 lines
1.5 KiB
Markdown
77 lines
1.5 KiB
Markdown
---
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category: Array
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---
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# useArrayUnique
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reactive unique array
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## Usage
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### Use with array of multiple refs
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```ts
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import { useArrayUnique } from '@vueuse/core'
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const item1 = ref(0)
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const item2 = ref(1)
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const item3 = ref(1)
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const item4 = ref(2)
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const item5 = ref(3)
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const list = [item1, item2, item3, item4, item5]
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const result = useArrayUnique(list)
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// result.value: [0, 1, 2, 3]
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item5.value = 1
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// result.value: [0, 1, 2]
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```
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### Use with reactive array
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```ts
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import { useArrayUnique } from '@vueuse/core'
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const list = reactive([1, 2, 2, 3])
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const result = useArrayUnique(list)
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// result.value: [1, 2, 3]
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list.push(1)
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// result.value: [1, 2, 3]
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```
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### Use with custom function
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```ts
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import { useArrayUnique } from '@vueuse/core'
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const list = reactive([
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{ id: 1, name: 'foo' },
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{ id: 2, name: 'bar' },
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{ id: 1, name: 'baz' },
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])
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const result = useArrayUnique(list, (a, b) => a.id === b.id)
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// result.value: [{ id: 1, name: 'foo' }, { id: 2, name: 'bar' }]
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list.push({ id: 1, name: 'qux' })
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// result.value: [{ id: 1, name: 'foo' }, { id: 2, name: 'bar' }]
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```
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## Type Declarations
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```ts
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export type UseArrayUniqueReturn<T = any> = ComputedRef<T[]>
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/**
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* reactive unique array
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* @see https://vueuse.org/useArrayUnique
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* @param list - the array was called upon.
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* @param compareFn
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* @returns A computed ref that returns a unique array of items.
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*
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* @__NO_SIDE_EFFECTS__
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*/
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export declare function useArrayUnique<T>(
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list: MaybeRefOrGetter<MaybeRefOrGetter<T>[]>,
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compareFn?: (a: T, b: T, array: T[]) => boolean,
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): UseArrayUniqueReturn<T>
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```
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