openzeppelin-contracts/test/helpers/math.js

// Array of number or bigint
const max = (...values) => values.slice(1).reduce((x, y) => (x > y ? x : y), values.at(0));
const min = (...values) => values.slice(1).reduce((x, y) => (x < y ? x : y), values.at(0));
const sum = (...values) => values.slice(1).reduce((x, y) => x + y, values.at(0));

module.exports = {
  // re-export min, max & sum of integer / bignumber
  min,
  max,
  sum,
  // deprecated: BN version of sum
  BNsum: (...args) => args.slice(1).reduce((x, y) => x.add(y), args.at(0)),
};