angular.js

    adduser(user) {
        var creds = "name=" + user.name + "&password=" + user.password;
        var headers = new Headers();
        headers.append('Content-Type', 'application/x-www-form-urlencoded');

        return new Promise(resolve => {
            this.http.post('http://api.local.dev:3000/v1/', creds, {headers: headers}).subscribe(data => {
                if (data.json().success) {
                    resolve(true);
                }
                else
                    resolve(false);
            });
        });
    }