Within this list, I have an unalterable group of objects. My task is to change the value of the 'isReq' property to false for all objects except the one with the id 2.
[
{
'id': 1,
'name': 'Ram',
'Details': {
'isReq': true
}
},
{
'id': 2,
'name': 'dev',
'Details': {
'isReq': true
}
},
{
'id': 3,
'name': 'joe',
'Details': {
'isReq': true
}
}
]
Implement map function with an if-else statement:
list.map(item => {
if (item.id === 5) {
return item
} else {
return { ...item, Details : {isRequired': true} }
}
}
In this example, we are using the object spread operator to modify the item, but you also have the option to use Object.assign or any other method.
I found a resolution to the issue I was facing right here, although I'm not certain if it's the most efficient approach.
const selectedId = 2;
const arr = fromJS(
[{ 'id': 1, 'name': 'Ram', 'Details': { 'isReq': true } },
{ 'id': 2, 'name': 'dev', 'Details': { 'isReq': true } },
{ 'id': 3, 'name': 'joe', 'Details': { 'isReq': true } }]);
const newarr = arr.map(function (val: any, index: any) {
if (val.get('id') === selectedId) {
return val.setIn(['Details', 'isReq'], true);
} else {
return val.setIn(['Details', 'isReq'], false);
}
});
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