for usage with @libs/qrcode

gistfile1.txt

function _renderQrArrayWithQuietZone(
  qrArray: boolean[][] | undefined,
  borderSize: number,
  lightCharPair = "\u2588\u2588",
  darkCharPair = "  "
): void {
  if (!qrArray || qrArray.length === 0) {
    log.warn("QR array is empty, cannot render.");
    return;
  }

  const qrWidth = qrArray[0].length;
  const totalWidthModules = qrWidth + 2 * borderSize;

  for (let i = 0; i < borderSize; i++) {
    console.log(lightCharPair.repeat(totalWidthModules));
  }

  for (const row of qrArray) {
    let line = "";
    line += lightCharPair.repeat(borderSize);
    for (const cell of row) {
      line += cell ? darkCharPair : lightCharPair;
    }
    line += lightCharPair.repeat(borderSize);
    console.log(line);
  }

  for (let i = 0; i < borderSize; i++) {
    console.log(lightCharPair.repeat(totalWidthModules));
  }
}