@feugene/mu/src/is/isEven.ts

Helpful TS utilities without dependencies

export default function isEven(value: any): boolean {
  if (Number.isNaN(parseFloat(value)) || !Number.isFinite(Number(value))) {
    return false
  }

  return value % 2 === 0
}

/**
 * This function evaluates whether all parameters are evens
 */
export function isEvens(...parameters: any[]): boolean {
  for (const parameter of parameters) {
    if (!isEven(parameter)) {
      return false
    }
  }
  return true
}