create-adaptable-composable
Create a library-grade Vue composable that accepts maybe-reactive inputs (MaybeRef / MaybeRefOrGetter) so callers can pass a plain value, ref, or getter. Normalize inputs with toValue()/toRef() inside reactive effects (watch/watchEffect) to keep behavior predictable and reactive. Use this skill when user asks for creating adaptable or reusable composables.
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Install
Works with every agent the skills CLI supports.
npx skills add https://github.com/vuejs-ai/skills --skill create-adaptable-composable- 01
Install
Run the command in your project. The CLI asks which agents to install for.
- 02
Describe the task
Ask your agent for something this skill covers. It loads create-adaptable-composable automatically when relevant.
- 03
Review the result
The agent follows the SKILL.md steps, scripts and references bundled with the skill.
Security audits
Independent scans of the skill's instructions and bundled files.
SKILL.md
The instructions your agent reads when the skill is triggered.
Create Adaptable Composable
Adaptable composables are reusable functions that can accept both reactive and non-reactive inputs. This allows developers to use the composable in a variety of contexts without worrying about the reactivity of the inputs.
Steps to design an adaptable composable in Vue.js:
- Confirm the composable's purpose and API design and expected inputs/outputs.
- Identify inputs params that should be reactive (MaybeRef / MaybeRefOrGetter).
- Use
toValue()ortoRef()to normalize inputs inside reactive effects. - Implement the core logic of the composable using Vue's reactivity APIs.
Core Type Concepts
Type Utilities
/**
* value or writable ref (value/ref/shallowRef/writable computed)
*/
export type MaybeRef<T = any> = T | Ref<T> | ShallowRef<T> | WritableComputedRef<T>;
/**
* MaybeRef<T> + ComputedRef<T> + () => T
*/
export type MaybeRefOrGetter<T = any> = MaybeRef<T> | ComputedRef<T> | (() => T);
Policy and Rules
- Read-only, computed-friendly input: use
MaybeRefOrGetter - Needs to be writable / two-way input: use
MaybeRef - Parameter might be a function value (callback/predicate/comparator): do not use
MaybeRefOrGetter, or you may accidentally invoke it as a getter. - DOM/Element targets: if you want computed/derived targets, use
MaybeRefOrGetter.
When MaybeRefOrGetter or MaybeRef is used:
- resolve reactive value using
toRef()(e.g. watcher source) - resolve non-reactive value using
toValue()
Examples
Adaptable useDocumentTitle Composable: read-only title parameter
import { watch, toRef } from 'vue'
import type { MaybeRefOrGetter } from 'vue'
export function useDocumentTitle(title: MaybeRefOrGetter<string>) {
watch(toRef(title), (t) => {
document.title = t
}, { immediate: true })
}
Adaptable useCounter Composable: two-way writable count parameter
import { watch, toRef } from 'vue'
import type { MaybeRef } from 'vue'
function useCounter(count: MaybeRef<number>) {
const countRef = toRef(count)
function add() {
countRef.value++
}
return { add }
}
FAQ
What does the create-adaptable-composable skill do?
Create a library-grade Vue composable that accepts maybe-reactive inputs (MaybeRef / MaybeRefOrGetter) so callers can pass a plain value, ref, or getter. Normalize inputs with toValue()/toRef() inside reactive effects (watch/watchEffect) to keep behavior predictable and reactive. Use this skill when user asks for creating adaptable or reusable composables.
How do I install create-adaptable-composable?
Run npx skills add https://github.com/vuejs-ai/skills --skill create-adaptable-composable in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/create-adaptable-composable/ (personal) or .claude/skills/create-adaptable-composable/ (project).
Which AI agents can use create-adaptable-composable?
Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.
Is create-adaptable-composable safe to install?
Security partners have reviewed it: Gen Agent Trust Hub passed; Socket passed; Snyk passed; Runlayer passed; ZeroLeaks passed. As with any skill, read the SKILL.md and bundled scripts before installing.
Who maintains create-adaptable-composable?
It is published by vuejs-ai in vuejs-ai/skills. It has 13,934 recorded installs.
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