Function overrideMethod

overrideMethod(instance, methodName, handler, ctx?): void

Return a wrapped handler method, that provides this._super and this._superApply.

 // Implement `opts.createNode` event to add the 'draggable' attribute
 overrideMethod(ctx.options, "createNode", (event, data) => {
   // Default processing if any
   this._super.apply(this, event, data);
   // Add 'draggable' attribute
   data.node.span.draggable = true;
 });

Parameters

instance: any
methodName: string
handler: FunctionType
Optional ctx: any

Returns void