Not able to make tooltip on edges disappear with visible binding property

GoJS
1

{

      toolTip:  // define a tooltip for each node that displays the color as text

        $(go.Adornment,"Auto",

        new go.Binding("visible",'tooltip',tooltip=>{return tooltip!==null}),

       

          $(go.TextBlock, { margin: 4,},

            new go.Binding("text", "tooltip",tooltip=>{

              let str=''

              for(let i=0;i<tooltip.length;i++){

              str+="\n"+tooltip[i].key + ":" + tooltip[i].value

              }

              return str

            }),

            ),

        )  // end of Adornment

    }

Even after adding the visible property with tooltip data as null in json it is not working. Any help please…FYI this is only for links for nodes it works fine

2

QQ录屏20220524155736
I’m not sure if this is the effect you want.

{
	toolTip:  // define a tooltip for each node that displays the color as text
	$("ToolTip",{"visible":true},new go.Binding("visible","key",key=>{
		return key=='Alpha';
	}),
	  $(go.TextBlock, { margin: 4 },
		new go.Binding("text", "key"))
	 )  // end of Adornment
}
3

Yepp got a solution for the same
{

      toolTip:  

        $("ToolTip",

        new go.Binding("visible",'tooltip',tooltip=>{return tooltip!==null?true:false}),

          $(go.TextBlock, { margin: 4 },

            new go.Binding("text", "tooltip",tooltip=>{

              let str=''

              for(let i=0;i<tooltip.length;i++){

              str+="\n"+tooltip[i].key + ":" + tooltip[i].value

              }

              return str

            }),

            )

        )  // end of Adornment

    }