vue-mc upload

model.js

upload() {
    let data = new FormData();

    forEach(this.getSaveData(), function(value, key) {
        data.append(key, value);
    });

    let method = 'POST',
        route = this.id ? this.getRoute('patch') :  this.getRoute('create'),
        url = this.getURL(route, this.getRouteParameters()),
        config = function config() {
            return {
                url: url,
                method: method,
                data: data,
            };
        };

    return this.request(config, this.onSave, this.onSaveSuccess, this.onSaveFailure);
}