Vue Custom Composables

Extract and reuse stateful reactive logic using Composition API functions.

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In the context of Vue applications, a composable is a function that leverages Vue's Composition API to encapsulate and share stateful logic (analogous to React Custom Hooks).

Key Takeaways: Vue Custom Composables

Mastering Vue Custom Composables helps you write clean and reliable Vue.js code. Follow standard conventions, test edge cases, and keep logic simple. Try running the code example below and complete the exercises to build confidence.

Vue Custom Composables Code Example

Vue.js

import { ref, onMounted, onUnmounted } from "vue";

export function useMouse() {
  const x = ref(0);
  const y = ref(0);

  function update(event) {
    x.value = event.pageX;
    y.value = event.pageY;
  }

  onMounted(() => window.addEventListener("mousemove", update));
  onUnmounted(() => window.removeEventListener("mousemove", update));

  return { x, y };
}

Output

Encapsulates reactive mouse coordinates composable

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Vue Custom Composables

💡 Key Takeaways: Vue Custom Composables

Vue Custom Composables Code Example

Key Takeaways: Vue Custom Composables