How can I implement infinite scrolling in my Vue application?

How can I implement infinite scrolling in my Vue application?

You can implement infinite scrolling in Vue by using a combination of event listeners and a data fetching method. Would you like a code example?

Yes, please provide a code example!

Sure! First, you can use the IntersectionObserver API to detect when the user scrolls to the bottom of the page. Here's a basic example:

<template>
  <div @scroll="loadMore" ref="scrollContainer">
    <div v-for="item in items" :key="item.id">{{ item.name }}</div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      items: [],
      page: 1,
    };
  },
  methods: {
    loadMore() {
      // Fetch more items when the user scrolls to the bottom
      this.fetchItems();
    },
    fetchItems() {
      // Simulate an API call
      fetch(`https://api.example.com/items?page=${this.page}`)
        .then(response => response.json())
        .then(data => {
          this.items.push(...data);
          this.page++;
        });
    },
  },
  mounted() {
    this.fetchItems();
  },
};

This will load more items as the user scrolls down.

What if I want to add a loading spinner while fetching data?

You can add a loading state to your component. Here's how you can modify the previous example:

data() {
  return {
    items: [],
    page: 1,
    loading: false,
  };
},
methods: {
  loadMore() {
    if (!this.loading) {
      this.fetchItems();
    }
  },
  fetchItems() {
    this.loading = true;
    fetch(`https://api.example.com/items?page=${this.page}`)
      .then(response => response.json())
      .then(data => {
        this.items.push(...data);
        this.page++;
      })
      .finally(() => {
        this.loading = false;
      });
  },
},

You can then conditionally render a spinner in your template based on the loading state.