Miscellaneous

Some utilities that don't fit anywhere else.

unless

unless(condition: boolean, thenValue: unknown, elseValue: unknown): unknown

Executes a callback function unless a condition is true. If the condition is true, undefined is returned. If the condition is false, the callback function is executed and its return value is returned.

const person = {
    name: "John",
    canVote: false,
    age: 30,
};
 
unless(person.age < 18, () => {
    person.canVote = true;
});
 
console.log(person);
// => { name: "John", age: 30, canVote: true }

Operations Functions