Function processData

src/logger.ts:162–191

(data: Uint8Array | string, encoding?: BufferEncoding)

}

function processData(data: Uint8Array | string, encoding?: BufferEncoding) {
  let decodedData;
  try {
    if (data instanceof Uint8Array) {
      // Decode only the bytes the view actually spans. A Uint8Array (e.g. a
      // Buffer carved from Node's shared pool) is often a view into a larger
      // ArrayBuffer, so reading `data.buffer` directly would include unrelated
      // bytes outside the view's byteOffset/byteLength range.
      decodedData = Buffer.from(
        data.buffer,
        data.byteOffset,
        data.byteLength,
      ).toString();
    } else {
      decodedData = Buffer.from(data, encoding).toString();
    }
  } catch (e) {
    // Failed to decode, treat it as simple text.
    return {isJSON: false, processedData: data};
  }

  // strip any leading ANSI color codes from the decoded data
  // to parse colored JSON objects correctly
  decodedData = decodedData.replace(/\x1b[[(?);]{0,2}(;?\d)*./g, '');
  try {
    return {isJSON: true, processedData: JSON.parse(decodedData)};
  } catch (e) {
    return {isJSON: false, processedData: decodedData};
  }
}