Function deepSeal

Recursively seals an objects and all own non-function sub-objects.

Note that the input object is being mutated.

Since

12.0.0

See

• deepFreeze
• Object.seal

Example

const a = {a: {b: 2}, b: [1, {foo: "foo"}], c: 2};

deepSeal(a)
// => object and all sub-objects are sealed.