useful-javascript | some useful javascript codes and files | Runtime Evironment library

const teamArr = [
  {
    "name":"Team1",
    "accountId":"Billing",
    "teamId":"12345",
    "permissions": {
        "KEY-1": [
            "Roles.Create",
            "Roles.Edit"
        ],
        "KEY-2": [
            "API-Admin.Create",
            "API-Admin.Edit",
            "API-Admin.Read"
        ],
        "KEY-3": [
          "Roles.Create",
          "Roles.Edit"
        ]
     }
   },
   {
     "name":"Team2",
     "accountId":"Sales",
     "teamId":"6789",
     "permissions": {
         "KEY-4": [
             "Users.Read"
         ],
         "KEY-2": [
            "API-Admin.Create",
            "API-Admin.Edit",
            "API-Admin.Read"
        ],
         "KEY-5": [
           "Roles.Create",
           "Roles.Edit"
         ]
      }
   }
];



function extractPermissions(obj) {
    const perms = {};
    obj.forEach(entry => {
        if (!entry['permissions']) {
            return;
        }
        Object.keys(entry.permissions).forEach(key => {
            if (!perms[key]) {
                perms[key] = [];
            }
            entry.permissions[key].forEach(value => {
                if (!perms[key].some(val => val === value)) {
                    perms[key].push(value);
                }
            });
        });
    });
    return perms;
}
console.log(JSON.stringify(extractPermissions(teamArr), null, 2));