Method transform

packages/common/src/pipes/number_pipe.ts:109–124

(
    value: number | string | null | undefined,
    digitsInfo?: string,
    locale?: string,
  )

    locale?: string,
  ): string | null;
  transform(
    value: number | string | null | undefined,
    digitsInfo?: string,
    locale?: string,
  ): string | null {
    if (!isValue(value)) return null;

    locale ||= this._locale;

    try {
      const num = strToNumber(value);
      return formatNumber(num, locale, digitsInfo);
    } catch (error) {
      throw invalidPipeArgumentError(DecimalPipe, (error as Error).message);
    }
  }
}

/**