omit object keys utility

Create a new object without the specified keys. Rest of object without blacklist.

export function omit<T extends object, K extends keyof T>(
  obj: T,
  keys: K[]
): Omit<T, K> {
  const set = new Set(keys);
  return Object.fromEntries(
    Object.entries(obj).filter(([k]) => !set.has(k as K))
  ) as Omit<T, K>;
}

// omit({ a: 1, b: 2, c: 3 }, ['b']) => { a: 1, c: 3 }

How to use

Pass an object and keys to exclude. Returns a new object without those keys.

Strip internal or sensitive fields before serialization.

omit(config, ['secret', 'internal']);