@yookue/ts-lang-utils/dist/esm/util/DateUtils/getEndOfMonth.js

Common lang utilities for typescript

export function getEndOfMonth(date) {
  if (!date) {
    return undefined;
  }
  var result = new Date(date);
  result.setFullYear(date.getFullYear(), date.getMonth() + 1, 0);
  result.setHours(23, 59, 59, 999);
  return result;
}