module.exports = { getPosts: function(id) { const BASE_URL = 'http://localhost:5000/api/posts' const URL = BASE_URL + (id ? `/${id}` : '?sort=-1') this.$http .get(URL) .then(res => { if (id) { if (res.body.length === 0) { throw Error("Response body empty") } this.post = res.body } else { this.posts = res.body } }) .catch(err => { console.log(`Error: ${err}`) }) }, }