js

/**
 * Read a ISO string
 */
export const fromISOString = (str: string) => {
  return Date.parse(str);
};

/** Convert from MilliTimestamp (javascript default) to unix  */
export const toUnixTimestamp = (milliTimestamp: number): UnixTimestamp => {
  return (milliTimestamp / 1000) as UnixTimestamp;
};

/* From Unix timestamp to DMY(internationally popular) string date   */
export function toDMYDateString(date: UnixTimestamp): string;
export function toDMYDateString(date: Date): string;
export function toDMYDateString(date: UnixTimestamp | Date): string {
  switch (typeof date) {
    case "number":
      return new Date(date * 1000).toLocaleDateString("pt-BR");
    case "object":
      return date.toLocaleDateString("pt-BR");
  }
}

/* From Unix timestamp to readable string date   */
export function toReadableDateString(date: UnixTimestamp): string;
export function toReadableDateString(date: Date): string;
export function toReadableDateString(date: UnixTimestamp | Date): string {
  const options: Intl.DateTimeFormatOptions = {
    weekday: "long",
    year: "numeric",
    month: "long",
    day: "numeric",
  };
  switch (typeof date) {
    case "number":
      return new Date(date * 1000).toLocaleDateString("en-US", options);
    case "object":
      return date.toLocaleDateString("en-US", options);
  }
}