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Vue Router

Vue Router renders components based on the URL for SPA navigation. This lesson covers practical patterns, syntax, and mistakes to avoid.

Routing with Vue Router

Vue Router renders components based on the URL for SPA navigation.

Vue Router 4 targets Vue 3 with a modern history API.

import { createRouter, createWebHistory } from 'vue-router'
const router = createRouter({
  history: createWebHistory(),
  routes: [{ path: '/', component: Home }],
})

Minimal router creation.

Pieces

routes, router-view, router-link, guards
  • Prefer Composition API + script setup.
  • Use computed for derived UI.
  • Keep side effects intentional.
  • Practice in a small Vite app.

Vue Router Cheatsheet

Quick reference for patterns covered in this lesson.

Item Example Purpose
router-link nav Component
router-view outlet Component
params dynamic URL
query search URL
guards auth Control
lazy () => import Split

Plugin Install

app.use(router) then place RouterView in App.

Common Mistakes

  • Full page reloads via <a> for internal links.
  • Forgetting history mode server fallbacks.

Key Takeaways

  • Vue Router is important in Vue apps.
  • Practice in SFCs.
  • Prefer clear naming.
  • Check Vue docs for details.

Pro Tip

Configure your host to fallback to index.html for history mode.