Need to modify BE response to expected response at FE - javascript

BE Response:- which I am getting from Backend Service
{
"data": {
"type": "AnyType",
"resources": [
{
"id": 1,
"treeId": "1",
"name": "name1",
"description": "description1",
"children": [
{
"id": 3,
"treeId": "1-3",
"name": "subName1",
"description": "subDescription1",
"children": [
{
"id": 6,
"treeId": "1-3-6",
"name": "subSubName1",
"description": "subSubDesc1",
"children": []
}
]
}
]
},
{
"id": 2,
"treeId": "2",
"name": "name2",
"description": "description2",
"children": [
{
"id": 7,
"treeId": "2-7",
"name": "subName2",
"description": "subDescription2",
"children": []
}
]
}
]
}
}
But I need to modify this response to as below on FE
Expected Response:- means I need to join name and description field text to one(in name field ) as below:-
{
"data": {
"type": "AnyType",
"resources": [
{
"id": 1,
"treeId": "1",
"name": "name1-description1",
"description": "description1",
"children": [
{
"id": 3,
"treeId": "1-3",
"name": "subName1-subDescription1",
"description": "subDescription1",
"children": [
{
"id": 6,
"treeId": "1-3-6",
"name": "subSubName1-subSubDesc1",
"description": "subSubDesc1",
"children": []
}
]
}
]
},
{
"id": 2,
"treeId": "2",
"name": "name2-description2",
"description": "description2",
"children": [
{
"id": 7,
"treeId": "2-7",
"name": "subName2-subDescription2",
"description": "subDescription2",
"children": []
}
]
}
]
}
}
there could be n number of children of each object and children can have an array of objects.
What I have done:- I am able to change the very first name but not children name
let resDataArry = [];
let descData: DynamicResource;
response.forEach((x, index) => {
const descName = x.name + ' ' + x.description;
descData = { ...tree.resources[index], name: descName };
resDataArry.push(descData);
});
return resDataArry;
Please help.

You can use nested Array#forEach to access children array and then concatenate the name and description together.
let data = {
"data": {
"type": "AnyType",
"resources": [
{
"id": 1,
"treeId": "1",
"name": "name1",
"description": "description1",
"children": [
{
"id": 3,
"treeId": "1-3",
"name": "subName1",
"description": "subDescription1",
"children": [
{
"id": 6,
"treeId": "1-3-6",
"name": "subSubName1",
"description": "subSubDesc1",
"children": []
}
]
}
]
},
{
"id": 2,
"treeId": "2",
"name": "name2",
"description": "description2",
"children": [
{
"id": 7,
"treeId": "2-7",
"name": "subName2",
"description": "subDescription2",
"children": []
}
]
}
]
}
}
data.data.resources.forEach(function(item){
item.name = item.name + ' ' + item.description;
item.children.forEach(function(child){
child.name = child.name + ' ' + child.description;
});
});
console.log(data);

Related

typescript: traverse nested array of objects until condition is met

I have nested array like following.
const tree = {
"id": 1,
"name": "mainOrgName",
"children": [
{
"id": 10,
"name": "East Region",
"children": [
{
"id": 11,
"name": "test east sub 1",
"children": [
{
"id": 12,
"name": "sub 22 sub 1",
"children": [
{
"id": 15,
"name": "sub 333 of sub ",
"children": [
{
"id": 16,
"name": "sub 4444",
"children": []
}
]
}
]
}
]
}
]
},
{
"id": 13,
"name": "west region",
"children": [
{
"id": 14,
"name": "test west sub 1",
"children": []
}
]
}
]
}
I need to traverse through tree.children array to get all id and name of sub arrays and its children until we didn't find children array empty. (Note: children array may be empty or may have further levels)
I need result like follows
Expected result
[
{
"name": "East Region",
"value": 10,
"selected": false
},
{
"name": "test east sub 1",
"value": 11,
"selected": false
},
{
"name": "sub 22 sub 1",
"value": 12,
"selected": false
},
{
"name": "sub 333 of sub",
"value": 15,
"selected": false
},
{
"name": "sub 4444",
"value": 16,
"selected": false
},
{
"name": "west region",
"value": 13,
"selected": false
},
{
"name": "test west sub 1",
"value": 14,
"selected": false
},
]
I tried following
const candidates = tree.children.map(org => ({name: org.name, value: org.id, selected: false}));
but it gives me following
[
{
"name": "East Region",
"value": 10,
"selected": false
},
{
"name": "west region",
"value": 13,
"selected": false
}
]
I am trying to get that but not sure how I can put condition that traverse until children is empty and push required fields in final array in required format. May need recursive/call back functions but not sure how I can use that.
Please help to get expected result. Thanks
Try this,
const tree = {
"id": 1,
"name": "mainOrgName",
"children": [
{
"id": 10,
"name": "East Region",
"children": [{
"id": 11,
"name": "test east sub 1",
"children": [{
"id": 12,
"name": "sub 22 sub 1",
"children": [{
"id": 15,
"name": "sub 333 of sub ",
"children": [{
"id": 16,
"name": "sub 4444",
"children": []
}]
}]
}]
}]
},
{
"id": 13,
"name": "west region",
"children": [{
"id": 14,
"name": "test west sub 1",
"children": []
}]
}
]
}
let items = []
let result = lootIt(tree.children)
console.log(result)
function lootIt (arr) {
for(let i = 0 ; i< arr.length ; i++){
let obj = {}
obj['name'] = arr[i]['name']
obj['value'] = arr[i]['id']
obj['selected'] = false
items.push(obj)
if(arr[i].children !== 0){
lootIt(arr[i].children)
}
}
return items
}
You can use recursion to do it
const tree = {
"id": 1,
"name": "mainOrgName",
"children": [
{
"id": 10,
"name": "East Region",
"children": [
{
"id": 11,
"name": "test east sub 1",
"children": [
{
"id": 12,
"name": "sub 22 sub 1",
"children": [
{
"id": 15,
"name": "sub 333 of sub ",
"children": [
{
"id": 16,
"name": "sub 4444",
"children": []
}
]
}
]
}
]
}
]
},
{
"id": 13,
"name": "west region",
"children": [
{
"id": 14,
"name": "test west sub 1",
"children": []
}
]
}
]
}
function mapTree(children){
let result =[]
for(c of children){
result.push({name: c.name, value: c.id, selected: false})
result = result.concat(mapTree(c.children))
}
return result
}
console.log(mapTree(tree.children))

Itarate over deeply nested array of objects and generate new array

I have a deeply nested array like below. I want to flat the structure.
data = [
{
"id": 4321,
"name": "category1",
"parentId": null,
"children": [
{
"id": 1234,
"name": "category1",
"parentId": 4321,
"children": [
{
"id": 8327548,
"name": "001",
"parentId": 1234
},
{
"id": 8327549,
"name": "002",
"parentId": 1234
},
]
},
{
"id": 6786,
"name": "Associations",
"parentId": 4321
},
{
"id": 8262439,
"name": "category1",
"parentId": 4321
},
{
"id": 8245,
"name": "Rights",
"parentId": 4321,
"children": [
{
"id": 2447,
"name": "Organizations",
"parentId": 8245
},
{
"id": 9525,
"name": "Services",
"parentId": 8245
},
{
"id": 8448,
"name": "Organizations",
"parentId": 8245
}
]
},
{
"id": 8262446,
"name": "Women's Rights",
"parentId": 4321
}
]
},
{
"id": 21610,
"name": "Agriculture",
"parentId": null,
"children": [
{
"id": 3302,
"name": "categoryABC",
"parentId": 21610,
"children": [
{
"id": 85379,
"name": "categoryABC - General",
"parentId": 3302
},
{
"id": 85380,
"name": "categoryABC Technology",
"parentId": 3302
}
]
},
{
"id": 8303,
"name": "Fungicides",
"parentId": 21610,
"children": [
{
"id": 8503,
"name": "Fungicides - General",
"parentId": 8303
}
]
},
]
},
];
Expected output
output = [
{
"id": 8327548,
"name": "001",
"parentId": 1234
},
{
"id": 8327549,
"name": "002",
"parentId": 1234
},
...OTHER OBJECTS....
]
What I have tried so far. This is not pushing the inner children items.
function flat(array) {
var result = [];
array.forEach(function (a) {
result.push(a);
if (Array.isArray(a.children)) {
result = result.concat(flat(a.children));
}
});
return result;
}
let results = flat(data)
console.log("test", results)
Stack Snippet:
const data = [
{
"id": 4321,
"name": "category1",
"parentId": null,
"children": [
{
"id": 1234,
"name": "category1",
"parentId": 4321,
"children": [
{
"id": 8327548,
"name": "001",
"parentId": 1234
},
{
"id": 8327549,
"name": "002",
"parentId": 1234
},
]
},
{
"id": 6786,
"name": "Associations",
"parentId": 4321
},
{
"id": 8262439,
"name": "category1",
"parentId": 4321
},
{
"id": 8245,
"name": "Rights",
"parentId": 4321,
"children": [
{
"id": 2447,
"name": "Organizations",
"parentId": 8245
},
{
"id": 9525,
"name": "Services",
"parentId": 8245
},
{
"id": 8448,
"name": "Organizations",
"parentId": 8245
}
]
},
{
"id": 8262446,
"name": "Women's Rights",
"parentId": 4321
}
]
},
{
"id": 21610,
"name": "Agriculture",
"parentId": null,
"children": [
{
"id": 3302,
"name": "categoryABC",
"parentId": 21610,
"children": [
{
"id": 85379,
"name": "categoryABC - General",
"parentId": 3302
},
{
"id": 85380,
"name": "categoryABC Technology",
"parentId": 3302
}
]
},
{
"id": 8303,
"name": "Fungicides",
"parentId": 21610,
"children": [
{
"id": 8503,
"name": "Fungicides - General",
"parentId": 8303
}
]
},
]
},
];
function flat(array) {
var result = [];
array.forEach(function (a) {
result.push(a);
if (Array.isArray(a.children)) {
result = result.concat(flat(a.children));
}
});
return result;
}
let results = flat(data)
console.log("test", results)
Can someone help me please?
I'd suggest a recursive approach, walking through the input structure and pushing each object found to the result array.
data = [ { "id": 4321, "name": "category1", "parentId": null, "children": [ { "id": 1234, "name": "category1", "parentId": 4321, "children": [ { "id": 8327548, "name": "001", "parentId": 1234 }, { "id": 8327549, "name": "002", "parentId": 1234 }, ] }, { "id": 6786, "name": "Associations", "parentId": 4321 }, { "id": 8262439, "name": "category1", "parentId": 4321 }, { "id": 8245, "name": "Rights", "parentId": 4321, "children": [ { "id": 2447, "name": "Organizations", "parentId": 8245 }, { "id": 9525, "name": "Services", "parentId": 8245 }, { "id": 8448, "name": "Organizations", "parentId": 8245 } ] }, { "id": 8262446, "name": "Women's Rights", "parentId": 4321 } ] }, { "id": 21610, "name": "Agriculture", "parentId": null, "children": [ { "id": 3302, "name": "categoryABC", "parentId": 21610, "children": [ { "id": 85379, "name": "categoryABC - General", "parentId": 3302 }, { "id": 85380, "name": "categoryABC Technology", "parentId": 3302 } ] }, { "id": 8303, "name": "Fungicides", "parentId": 21610, "children": [ { "id": 8503, "name": "Fungicides - General", "parentId": 8303 } ] }, ] }, ];
function flat(input, result = []) {
let newObj = null;
for(let k in input) {
if (typeof(input[k]) === 'object') {
flat(input[k], result);
} else {
if (!newObj) {
newObj = {};
result.push(newObj);
}
newObj[k] = input[k];
}
}
return result;
}
console.log(flat(data))
.as-console-wrapper { max-height: 100% !important; top: 0; }
You need to delete a.children from the original array:
if (Array.isArray(a.children)) {
result = result.concat(flat(a.children));
delete a.children;
}
(As #T.J.Crowde suggested, I left the snippet with a smaller array)
const data = [
{
"id": 4321,
"name": "category1",
"parentId": null,
"children": [
{
"id": 1234,
"name": "category1",
"parentId": 4321,
"children": [
{
"id": 8327548,
"name": "001",
"parentId": 1234
},
{
"id": 8327549,
"name": "002",
"parentId": 1234
},
]
},
]
},
];
function flat(array) {
var result = [];
array.forEach(function (a) {
result.push(a);
if (Array.isArray(a.children)) {
result = result.concat(flat(a.children));
delete a.children;
}
});
return result;
}
let results = flat(data)
console.log("test", results)

Normalizr: normalize deep nested items

I have an array of data like this one
[
{
"id": "root_01",
"parents": [
{
"id": "parent_1",
"childrens": [
{
"id": "child_01",
"name": "ABC",
"group": "group_a"
},
{
"id": "child_02",
"name": "BBC",
"group": "group_b"
}
]
},
{
"id": "parent_2",
"childrens": [
{
"id": "child_03",
"name": "CCD",
"group": "group_a"
},
{
"id": "child_04",
"name": "EEF",
"group": "group_c"
}
]
}
]
},
{} // same as previous
]
and I'm trying to get rid of all parents data & catch & merge only child items like this one:
[
{
"id": "child_01",
"name": "ABC",
"group": "group_a"
},
{
"id": "child_02",
"name": "BBC",
"group": "group_b"
},
{
"id": "child_03",
"name": "CCD",
"group": "group_a"
},
{
"id": "child_04",
"name": "EEF",
"group": "group_c"
}
]
but after reading normalizr documentation I'm a little bit confused because I couldn't find this kind of example, so can anyone suggest me is it possible to make with normalizr or any better idea?
Thanks
Recusrion is what you need here:
const arr = [ { "id": "root_01", "parents": [ { "id": "parent_1", "childrens": [ { "id": "child_01", "name": "ABC", "group": "group_a" }, { "id": "child_02", "name": "BBC", "group": "group_b" } ] }, { "id": "parent_2", "childrens": [ { "id": "child_03", "name": "CCD", "group": "group_a" }, { "id": "child_04", "name": "EEF", "group": "group_c" } ] } ] }];
const flatten = arr => arr.flatMap(o=>o.parents ? flatten(o.parents) : o.childrens ? flatten(o.childrens) : o);
console.log(flatten(arr));

how to find the ancestors of a particular object

let obj = {
"options": [
{
"id": "a",
"name": "a",
"options": [
{
"id": "a.1",
"options": [
{
"id": "a.1.1",
"name": "a.1.1"
},
{
"id": "a.1.2",
"name": "a.1.2"
},
{
"id": "a.1.3",
"name": "a.1.3"
}
]
},
{
"id": "a.2",
"name": "a.2",
"options": [
{
"id": "a.2.1",
"name": "a.2.1"
},
{
"id": "a.2.2",
"name": "a.2.2"
},
{
"id": "a.2.3",
"name": "a.2.3"
}
]
},
{
"id": "a.3",
"name": "a.3",
"options": [
{
"id": "a.3.1",
"name": "a.3.1"
},
{
"id": "a.3.2",
"name": "a.3.1"
},
{
"id": "a.3.3",
"name": "a.3.1"
}
]
}
]
},
{
"name": "b",
"id": "b",
"options": [
{
"id": "b.1",
"name": "b.1",
"options": [
{
"id": "b.1.1",
"name": "b.1.1"
},
{
"id": "b.1.2",
"name": "b.1.2"
},
{
"id": "b.1.3",
"name": "b.1.3"
}
]
},
{
"id": "b.2",
"name": "b.2",
"options": [
{
"id": "b.2.1",
"name": "b.2.1"
},
{
"id": "b.2.2",
"name": "b.2.2"
},
{
"id": "b.2.3",
"name": "b.2.3"
}
]
},
{
"id": "b.3",
"name": "b.3.1",
"options": [
{
"id": "b.3.1",
"name": "b.3.1"
},
{
"id": "b.3.2",
"name": "b.3.2"
},
{
"id": "b.3.3",
"name": "b.3.3"
}
]
}
]
},
{
"id": "c",
"name": "c",
"options": [
{
"id": "c.1",
"name": "c.1",
"options": [
{
"id": "c.1.1",
"name": "c.1.1"
},
{
"id": "c.1.2",
"name": "c.1.2"
},
{
"id": "c.1.3",
"name": "c.1.3"
}
]
},
{
"id": "c.2",
"name": "c.2",
"options": [
{
"id": "c.2.1",
"name": "c.2.1"
},
{
"id": "c.2.2",
"name": "c.2.2"
},
{
"id": "c.2.3",
"name": "c.2.3"
}
]
},
{
"id": "c.3",
"name": "c.3",
"options": [
{
"id": "c.3.1",
"name": "c.3.1"
},
{
"id": "c.3.2",
"name": "c.3.2"
},
{
"id": "c.3.3",
"name": "c.3.3"
}
]
}
]
}
]
}
" I have this object
I neeed to create a function getHierarchy, that an option ID as its input, finds the option in the
list and returns the ID of all it's parents.
for example,getHierarchy("a.1.3") should return the following result ["a","a.1","a.1.3"]
getHierarchy("c.3.3") should return the following result ["c","c.3","c.3.3"] "
assuming id is unique;
function getHierarchy(object, id, prev) {
if (!object.options) return;
for (const child of object.options) {
if(child.id === id) {
return [...prev, object.id, child.id];
}
result = getHierarchy(child, id, [...prev, object.id]);
if (result) return result;
}
}
getHierarchy(obj, "a.1.3", []);
Here an recursive solution i hope this helps you.
let obj = {
"options": [
{
"id": "a",
"name": "a",
"options": [
{
"id": "a.1",
"options": [
{
"id": "a.1.1",
"name": "a.1.1"
},
{
"id": "a.1.2",
"name": "a.1.2"
},
{
"id": "a.1.3",
"name": "a.1.3"
}
]
},
{
"id": "a.2",
"name": "a.2",
"options": [
{
"id": "a.2.1",
"name": "a.2.1"
},
{
"id": "a.2.2",
"name": "a.2.2"
},
{
"id": "a.2.3",
"name": "a.2.3"
}
]
},
{
"id": "a.3",
"name": "a.3",
"options": [
{
"id": "a.3.1",
"name": "a.3.1"
},
{
"id": "a.3.2",
"name": "a.3.1"
},
{
"id": "a.3.3",
"name": "a.3.1"
}
]
}
]
},
{
"name": "b",
"id": "b",
"options": [
{
"id": "b.1",
"name": "b.1",
"options": [
{
"id": "b.1.1",
"name": "b.1.1"
},
{
"id": "b.1.2",
"name": "b.1.2"
},
{
"id": "b.1.3",
"name": "b.1.3"
}
]
},
{
"id": "b.2",
"name": "b.2",
"options": [
{
"id": "b.2.1",
"name": "b.2.1"
},
{
"id": "b.2.2",
"name": "b.2.2"
},
{
"id": "b.2.3",
"name": "b.2.3"
}
]
},
{
"id": "b.3",
"name": "b.3.1",
"options": [
{
"id": "b.3.1",
"name": "b.3.1"
},
{
"id": "b.3.2",
"name": "b.3.2"
},
{
"id": "b.3.3",
"name": "b.3.3"
}
]
}
]
},
{
"id": "c",
"name": "c",
"options": [
{
"id": "c.1",
"name": "c.1",
"options": [
{
"id": "c.1.1",
"name": "c.1.1"
},
{
"id": "c.1.2",
"name": "c.1.2"
},
{
"id": "c.1.3",
"name": "c.1.3"
}
]
},
{
"id": "c.2",
"name": "c.2",
"options": [
{
"id": "c.2.1",
"name": "c.2.1"
},
{
"id": "c.2.2",
"name": "c.2.2"
},
{
"id": "c.2.3",
"name": "c.2.3"
}
]
},
{
"id": "c.3",
"name": "c.3",
"options": [
{
"id": "c.3.1",
"name": "c.3.1"
},
{
"id": "c.3.2",
"name": "c.3.2"
},
{
"id": "c.3.3",
"name": "c.3.3"
}
]
}
]
}
]
}
function getHierarchy(opts, path, index = 1, result = []) {
if(!opts) return result;
let objPaths = path.split(".");
let _path = objPaths.slice(0, index).join(".");
let option = opts.find(({id}) => id === _path);
if(!option) return result;
let { options, id } = option;
return getHierarchy(options, path, ++index, [...result,id]);
}
let result = getHierarchy(obj.options, "a.1.3");
console.log(result);

searching the specific value in nested object and returning the updated original object ith only searched item using javascript

searching the specific value in nested object and returning the updated original object with only searched item using javascript
var people= {
"i": [
{
"country": "Australia",
"list": [
{
"name": "ABC ",
"address": "AB street ",
}
]
},
{
"country": "Brazil",
"list": [
{
"name": "XZ ",
"address": "AB street "
},
...
]
}
]
...
};
I want to search by name.
Using function Object.keys() and breaking the deepest loop when a key === searchedText.
var pages = { "1": [{ "title": "Australia", "list": [{ "key": "Base1", "label": "Base-label", "description": "description" }, { "key": "Base1", "label": "Base-label", "description": "description" } ] }], "2": [{ "title": "Australia", "list": [{ "key": "Base1", "label": "Base-label", "description": "description" }, { "key": "Base1", "label": "Base-label", "description": "description" }, { "key": "Base1", "label": "Base-label", "description": "description" } ] }, { "title": "Netherlands", "list": [{ "key": "Base1", "label": "Base-label", "description": "description" }, { "key": "Base2", "label": "Base-label", "description": "description" }, { "key": "Base1", "label": "Base-label", "description": "description" } ] } ], "3": [{ "title": "Usa", "list": [{ "key": "Base2", "label": "Base-label", "description": "description" }, { "key": "Base1", "label": "Base-label", "description": "description" } ] }, { "title": "Canada", "list": [{ "key": "Base1", "label": "Base-label", "description": "description" }, { "key": "Base1", "label": "Base-label", "description": "description" }, { "key": "Base2", "label": "Base-label", "description": "description" } ] } ]};
var filteredPages = {};
var searchedText = "Base2";
for (var k of Object.keys(pages)) {
for (var o of pages[k]) {
for (var io of o.list) {
if (io.key.toLowerCase().indexOf(searchedText.toLowerCase()) !== -1)  {
filteredPages[k] = filteredPages[k] || [];
filteredPages[k].push({
title: o.title,
list: [io]
});
}
}
}
}
console.log(filteredPages)
.as-console-wrapper {
max-height: 100% !important;
top: 0;
}

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