1

I have an object, in it there's an array of ojects:

const data = [
  {
    role: "admin",
    users: [
      {
        name: "john",
        user_id: "1234",
      },
      {
        name: "Peter",
        user_id: "4321",
      },
    ],
  },
];
console.log(data);

How do transform this to get an array like below?



0: {role: "admin", name: "john", user_id: "1234"  }
1: {role: "admin", name: "Peter", user_id: "4321"  }
Improve this question
6
  • Does data.flatMap(v => v.users.map(u => ({ role: v.role, ...u }))) meet your needs? If so I'll write an answer (but I'm sure there's probably a dupe target somewhere). If not what am I missing? Commented Jul 26, 2023 at 15:47
  • Hi there. No, role must be on the same level as name and user_id Commented Jul 26, 2023 at 15:51
  • 1
    Have you actually tried it? Looks like it works to me. If you have a problem with the code could you explain exactly the difference between what my suggestion produces and what you want? Preferably via a code example and not just verbally? Commented Jul 26, 2023 at 15:52
  • Your code generates this: [ { role: 'admin', users: [ { name: 'john', user_id: '1234' }, { name: 'Peter', user_id: '4321' } ] } ] This is the expected: [ { role: 'admin', name: 'john', user_id: '1234' }, { role:'admin', name: 'Peter', user_id: '4321' } ] Commented Jul 26, 2023 at 16:00
  • 😱 No, it absolutely does not generate that output. As proof, please look at this playground link, and run the code there, and observe the output. At least one of us is terribly confused here. Commented Jul 26, 2023 at 16:07
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