vue-development-guides

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A collection of best practices and tips for developing applications using Vue.js. This skill MUST be apply when developing, refactoring or reviewing Vue.js or Nuxt projects.

Web Dev

What this skill does


# Vue.js Development Guides

## Tasks Checklist

- [ ] Followed the core principles
- [ ] Followed the defaults unless there is a good reason not to
- [ ] Followed the reactivity best practices
- [ ] Followed the component best practices
  - [ ] Followed the Vue SFC best practices
  - [ ] Kept components focused
    - [ ] Split large components into smaller ones when needed
    - [ ] Moved state/side effects into composables if applicable
  - [ ] Followed data flow best practices

---

## Core Principles
- **Keep state predictable:** one source of truth, derive everything else.
- **Make data flow explicit:** Props down, Events up for most cases.
- **Favor small, focused components:** easier to test, reuse, and maintain.
- **Avoid unnecessary re-renders:** use computed properties and watchers wisely.
- **Readability counts:** write clear, self-documenting code.

## Defaults (unless the user says otherwise)

- Prefer the **Composition API** over the Options API.

## Reactivity

IMPORTANT: You MUST follow the `references/reactivity-guide.md` for reactive state management when creating, updating a component or a composable.

## Components

IMPORTANT: You MUST follow the `references/sfc-guide.md` for best practices when working with Vue SFCs.

- Prefer Vue Single-File Components (SFC) using **`<script setup lang="ts">`** (TypeScript) by default.
- In Vue SFCs, keep sections in this order: `<script>` → `<template>` → `<style>`.

### Keep components focused

Split a component when it has **more than one clear responsibility** (e.g. data orchestration + UI, or multiple independent UI sections).

- Prefer **smaller components + composables** over one “mega component”
- Move **UI sections** into child components (props in, events out).
- Move **state/side effects** into composables (`useXxx()`).

NOTE: This rule also applies to the entry component (e.g. App.vue) in a Vue / Nuxt project by default.

### Data Flow

IMPORTANT: You MUST follow the `references/data-flow-guide.md` for passing and receiving data between components using:
- Props
- Emits
- `v-model`
- provide/inject

For sharing data across the app, please follow the `references/state-management-guide.md` and consider using a Store for state management solution.

Files: 6

Size: 24.5 KB

Complexity: 47/100

Category: Web Dev

Source: https://github.com/aiskillstore/marketplace/tree/main/skills/vuejs-ai/vue-development-guides

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