How to use the enketo-core.Form function in enketo-core

.then( record => {
            if ( !data.instanceStr && record && record.xml ) {
                records.setActive( records.getAutoSavedKey() );
                data.instanceStr = record.xml;
            }

            if ( data.instanceAttachments ) {
                fileManager.setInstanceAttachments( data.instanceAttachments );
            }

            form = new Form( formSelector, data, formOptions );
            loadErrors = form.init();

            // Remove loader. This will make the form visible.
            // In order to aggregate regular loadErrors and GoTo loaderrors,
            // this is placed in between form.init() and form.goTo().
            $( '.main-loader' ).remove();

            if ( settings.goTo && location.hash ) {
                console.log( 'going to ', location.hash.substring( 1 ) );
                loadErrors = loadErrors.concat( form.goTo( location.hash.substring( 1 ) ) );
            }

            if ( form.encryptionKey && !encryptor.isSupported() ) {
                loadErrors.unshift( t( 'error.encryptionnotsupported' ) );
            }

function _resetForm( confirmed ) {
    let message;

    if ( !confirmed && form.editStatus ) {
        message = t( 'confirm.save.msg' );
        gui.confirm( message )
            .then( confirmed => {
                if ( confirmed ) {
                    _resetForm( true );
                }
            } );
    } else {
        _setDraftStatus( false );
        form.resetView();
        form = new Form( formSelector, {
            modelStr: formData.modelStr,
            external: formData.external
        }, formOptions );
        const loadErrors = form.init();
        // formreset event will update the form media:
        form.view.$.trigger( 'formreset' );
        if ( records ) {
            records.setActive( null );
        }
        if ( loadErrors.length > 0 ) {
            gui.alertLoadErrors( loadErrors );
        }
    }
}