i have object like below,
Example 1
input = {
item_type: {
id: ‘1’,
name: ‘name1’,
},
children: [
{
type_1: {
id: ‘12’,
},
type: 'item1-type',
},
{
children: [
{
id: '1',
type: 'item2',
},
{
id: '2',
type:'item2',
},
{
id:'3',
type: 'item2',
},
]
type: 'item2-type',
},
{
children: [
{
id: '4',
type: 'item2',
},
{
id: '5',
type:'item2',
},
{
id:'6',
type: 'item2',
},
]
type: 'item2-type',
},
]
}
now i want to find the count of "item2" type within children array within children array again.
note that the outer children array can be empty array and the children array within children array may not be present. so the input can be of types like below
input = {
item_type: {
id: ‘1’,
name: ‘name1’,
},
children: [] //empty children array
}
input = {
item_type: {
id: ‘1’,
name: ‘name1’,
},
children:
[ //no children array within
{
type_1: {
id: ‘12’,
},
type: “item1-type”,
},
]
}
how can i find the count of type: "item2" within children array considering example1 input.
so the expected count is 6.
could someone help me with this. thanks. new to programming.
const findAllChildrenOfType = (obj, type) => {
let count = 0;
if (obj.type === type) count++;
if (obj.children) {
obj.children.forEach(child => {
const childCount = findAllChildrenOfType(child, type);
count += childCount;
})
}
return count;
}
console.log(findAllChildrenOfType(input, "item2"))