Setting a variable before a debounced method function in Vue: Tips and tricks

Is there a way to set isLoading = true prior to the function being executed? Currently, isLoading remains false until the debounced function is triggered.

<script>
import _ from 'lodash'
export default {
  data: {
     isLoading: false;
  }
  methods: {
    fetch: _.debounce(function() {
      this.isLoading = true;
      // perform data fetching
      this.isLoading = false;
    }, 200)
  }
}
</script>

Answer №1

Here is a solution that I believe will work:

methods: {
  fetch: _.debounce(function() {
    // retrieve data
    this.isLoading = false;
  }, 200),
  askForData: function() {
    this.isLoading = true;
    this.fetch();
  }
}

You can now use askForData whenever there is a need for new data, most likely triggered by a user action. This method sets the loading state to true and calls fetch. Due to debouncing on fetch, another immediate call won't trigger an additional HTTP request, ensuring proper handling of the loading state.

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