This Vue.js code snippet demonstrates how to implement a debounced search input that triggers an API call.

This is a common feature in applications like Gmail and Facebook, where search results are dynamically updated as a user types into a search box.

<template>
  <div>
    <input @input="searchInput" type="text">
  </div>
</template>

<script>
import { debounce } from 'debounce'

export default {
  methods: {
    searchInput: debounce(function (e) {
      // make API call here
    }, 800)
  }
}
</script>

Explanation

In this code, the input event is listened to on the input field and it is bound to the searchInput method. The searchInput method is wrapped with the debounce function from the debounce library.

The debounce function accepts two parameters: a function that is to be executed after a specified delay, and the delay duration in milliseconds.

In this case, the delay is set to 800 milliseconds. The actual API call is made inside the debounced function.

Usage:

To use this component, you need to have Vue.js and the debounce library installed in your project. You can install debounce using either npm or yarn with the commands npm install --save debounce or yarn add debounce.

In your Vue component, you should replace the comment in the searchInput method with your own API call. The input field will trigger the searchInput method 800 milliseconds after the user stops typing.

Example

This approach can be used to build a real-time search feature in a book library application or an e-commerce store. As the user types into the search box, the application can fetch relevant results from the server and display them to the user.

Conclusion

Implementing a debounced search input in Vue.js is a common and essential feature for many modern web applications.

The use of the debounce function improves user experience by minimizing the number of API calls and providing real-time search results.

The code snippet provided above can be easily adapted to fit the needs of various Vue.js applications.