Create tree List

-
///////////////////////Tree Creation///////////////
///////////////////////Tree Creation///////////////
///////////////////////Tree Creation///////////////

function setRoot(obj: any, i ? : any, k ? : any) {
    obj['root'] = i ? (i + '_' + k) : '0';
    obj['expand'] = true;
    if (obj.child) {
        obj.child.forEach((val, key) => {
            setRoot(val, obj['root'], key);
        });
    }
}


///////////////////////Tree Search////////////////
///////////////////////Tree Search////////////////
///////////////////////Tree Search////////////////
console.clear();
var items = [
    {
        name: "a1",
        id: 1,
        children: [{
            name: "a2",
            id: 2,
            children: []
        },
        {
            name: "a3",
            id: 3,
            children: []
        }]
    },
    {
        name: "a11",
        id: 1,
        children: [{
            name: "a22",
            id: 2,
            children: []
        },
        {
            name: "a33",
            id: 3,
            children: []
        }]
    }
];
function filterData(data, name) {
  var r = data.filter((obj, kk)=>{     
    if (obj.children) {      
        if(obj.children.length >0){   
            obj.children = filterData(obj.children, name);    
            console.log(obj);
            if(obj.children.length == 0){
                return false;     
            }else{
                return true; 
            }
            
        }else{
            return obj.name == name;
            console.log(obj);
        }
    }else{
       return obj.name == name;
    }
    
  })
  return r;
}

console.log(filterData(items, 'a2'));

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