salix/modules/item/front/niche/index.js

import ngModule from '../module';
import Section from 'salix/components/section';

export default class Controller extends Section {
    onSubmit() {
        this.$.watcher.check();
        this.$.model.save().then(() => {
            this.$.watcher.notifySaved();
            this.$.watcher.updateOriginalData();
        });
    }
}

ngModule.vnComponent('vnItemNiche', {
    template: require('./index.html'),
    controller: Controller
});