isMutable

Returns a boolean indicating whether the provided value has been marked as mutable.

See (@monstermann/remmi)

isMutable(value); // false

startMutations(() => {
    isMutable(value); // false
    markAsMutable(value);
    isMutable(value); // true
    unmarkAsMutable(value);
    isMutable(value); // false
});

isMutable(value); // false