isBigInt

isBigInt(target)

Returns true if target is a bigint, otherwise false. This function acts as a type guard.

data-first

isBigInt(123n); // true
isBigInt(123); // false
isBigInt("123"); // false
isBigInt(null); // false

data-last

pipe(123n, isBigInt()); // true
pipe(123, isBigInt()); // false
pipe("123", isBigInt()); // false
pipe(null, isBigInt()); // false