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How to update duplicate values of an array of objects

I have a array something like this.

const arr = [
{id: '1', name: 'manager'},
{id: '5', name: 'owner'},
{id: '2', name: 'member'},
{id: '2', name: 'owner'},
{id: '3', name: 'manager'},
{id: '2', name: 'member'},
{id: '3', name: 'owner'},
{id: '4', name: 'owner'},
{id: '4', name: 'member'},
{id: '5', name: 'manager'},
];

I'd like to check duplicate objects by id and remove old objects and need array like this.

output :

const arr = [
{id: '1', name: 'manager'},
{id: '2', name: 'member'},
{id: '3', name: 'owner'},
{id: '4', name: 'member'},
{id: '5', name: 'manager'},
];

Hope you got my point.

about 4 years ago · Juan Pablo Isaza
1 answers
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0

One liner, if you don't mind.

const arr = [{"id":"1","name":"manager"},{"id":"5","name":"owner"},{"id":"2","name":"member"},{"id":"2","name":"owner"},{"id":"3","name":"manager"},{"id":"2","name":"member"},{"id":"3","name":"owner"},{"id":"4","name":"owner"},{"id":"4","name":"member"},{"id":"5","name":"manager"}];

const result = Object.values(arr.reduce((acc, item) => ({...acc, [item.id]: item}), {}));

console.log(result);
.as-console-wrapper{min-height: 100%!important; top: 0}

about 4 years ago · Juan Pablo Isaza Report
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