How to maintain the selected value in a Vue.js dropdown even after the page is refreshed

When a user selects a value from a dropdown, it is pushed to the URL. If the page is refreshed, the dropdown should default to the selected value in the URL. This functionality is being implemented in Laravel. I have attempted the following approach, but when I refresh the page after selecting a dropdown value, the dropdown resets.

<template>
<div class="mt-2">
           
            <select class="form-control" v-model="filter.size">
                <option value="">............</option>
                <option value="big">Big</option>
                <option value="small">Small</option>
            </select>
        </div>
<template>
<script>
    
export default {
    data() {
        return {
            
            filter: {
                size: this.$route.query.size,
     
            },
        };
    },

    mounted() {
  
    },

    watch: {
        filter: {
            handler() {
                this.$router.push({
                    query: this.filter,
                });
            },
            deep: true,
        },
    },
};
</script>

route

routes: [

    {
        path: '/home',
        component: App,
        name: App,
    
    },
],

view:registered here

   <div class="card-body">
         <search> </search>
   </div>

Answer №1

Ensure that the variable value is assigned within the mounted lifecycle hook

mounted() {
  this.filter.size = this.$route.query.size
},

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