You can customize the visual behavior of elements by subscribing to Fabric.js events during the extension initialization. This allows you to create your own components, modify controls, borders, selection styles, and interaction feedback.
install(canvas, {
'actionsToInstall': {
'*': true,
moveActiveElement: {
open(coords, update) {
console.log('moveActiveElement open', coords, update);
},
}
}
});