How do I compare single array of objects with it key values

Ramya M Published at Dev

23

ramya m

I have an array of objects, Where I need to compare "taskId" & "resourceId" of its own array of objects and push the result in a new array. Here is my array

data = [{
  "resourceId":1234
  "taskId":5001
  "taskName":"Test task1"
 },
 {
  "resourceId":1234
  "taskId":5001
  "taskName":"Test task2"
}
{
 "resourceId":1234
 "taskId":5002
 "taskName":"Test task3"
},
{
 "resourceId":1234
 "taskId":5001
 "taskName":"Test task4"
},
{
 "resourceId":5678
 "taskId":5003
 "taskName":"Test task5"
},
{
 "resourceId":5678
 "taskId":5004
 "taskName":"Test task6"
}
]

Please help me to build this logic. I appreciate your efforts in advance.

Sasi Kumar M

You can use https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/reduce

var result = data.reduce(function (r, a) {
    var value = a.resourceId.toString().concat(a.taskId);
    r[value] = r[value] || [];
    r[value].push(a);
    return r;
}, Object.create(null));

This will result the new array as shown below, you can modify the key name(array names) as required

JS Fiddle: https://jsfiddle.net/2cpe3ts6/

Collected from the Internet

Please contact [email protected] to delete if infringement.

edited at2021-05-22

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