<div class="item">
  <div class="active"></div>
</div>

export default {
    data(){
        return {
            blockBtn: false
        }
    },
    methods: {
        async isWait(url) {
            this.blockBtn = true;
            let dosomething = await fetch(url)
            
            this.blockBtn = false;
        }
    }
}

export default {
    data(){
        return {
            blockBtn: false
        }
    },
    methods: {
        isWait(url) {
            this.blockBtn = true;
            let dosomething = fetch(url).then(() => {
                 this.blockBtn = false;
            });
        }
    }
}