// merge hierarchy B in hierarchy A as child of nodeOfA
B.parent=nodeOfA;
nodeOfA.children.push(B);
A=d3.hierarchy(A);
A.each((d)=>(d.data={...d.data.data,children:d.children}));// fixes the glitch
returnA;
}
D={
letD=d3.hierarchy({name:"D"});
constA1=A.copy(),
B1=B.copy();
D.children=[A1,B1];
D=d3.hierarchy(D);
D.each((d)=>(d.data={...d.data.data,children:d.children}));// fixes the glitch
returnD;
}
graph(D,{label:(d)=>d.data.name})
import{graph}from"@d3/d3-hierarchy"
Purpose-built for displays of data
Observable is your go-to platform for exploring data and creating expressive data visualizations. Use reactive JavaScript notebooks for prototyping and a collaborative canvas for visual data exploration and dashboard creation.