Method transform

packages/common/src/pipes/date_pipe.ts:263–279

(
    value: Date | string | number | null | undefined,
    format?: string,
    timezone?: string,
    locale?: string,
  )

    locale?: string,
  ): string | null;
  transform(
    value: Date | string | number | null | undefined,
    format?: string,
    timezone?: string,
    locale?: string,
  ): string | null {
    if (value == null || value === '' || value !== value) return null;

    try {
      const _format = format ?? this.defaultOptions?.dateFormat ?? DEFAULT_DATE_FORMAT;
      const _timezone =
        timezone ?? this.defaultOptions?.timezone ?? this.defaultTimezone ?? undefined;
      return formatDate(value, _format, locale || this.locale, _timezone);
    } catch (error) {
      throw invalidPipeArgumentError(DatePipe, (error as Error).message);
    }
  }
}