Function isSet

  • Checks if a given value is Set.

    This function can also serve as a type predicate in TypeScript, narrowing the type of the argument to Set.

    Parameters

    • value: unknown

      The value to check if it is a Set.

    Returns value is Set<any>

    Returns true if value is a Set, else false.

    const value1 = new Set();
    const value2 = new Map();
    const value3 = new WeakSet();

    console.log(isSet(value1)); // true
    console.log(isSet(value2)); // false
    console.log(isSet(value3)); // false