methodsOptionsComponent.vue

// ...
<script>
export default {
    name: 'PostsPage',
    mixins: [scrollMixin],
    props: {
        id: Number,
        isLoading: Boolean,
        posts: Array,
        count: Number
    },
    methods: {
        update() {
            console.log('some update logic here')
        }
    }
}
</script>
// ...