src/xblocks/block.js
function wrapperAccessorsSetUpdate(accessorName, nextValue, prevValue) {
    if (nextValue !== prevValue && this.xprops.hasOwnProperty(accessorName) && this.mounted) {
        this[ Constants.BLOCK ].update();
    }
}
function wrapperAccessorsSetUpdate(accessorName, nextValue, prevValue) {
    if (nextValue !== prevValue && this.xprops.hasOwnProperty(accessorName) && this.mounted) {
        this[ Constants.BLOCK ].update();
    }
}
function wrapperAccessorsSetUpdate ( accessorName , nextValue , prevValue ) { if ( nextValue !== prevValue && this . xprops . hasOwnProperty ( accessorName ) && this . mounted ) { this [ Constants . BLOCK ] . update ( ) ; } }
Update element when a property is changed.
@example
// call node.xblock.update();
_.wrap("accessor-name", wrapperAccessorsSetUpdate).call(node, 'newValue', 'oldValue');
@param {string} accessorName the name of the property
@param {*} nextValue
@param {*} prevValue
@this HTMLElement
@private
Update element when a property is changed .