react-native-thermal-receipt-printer-image-qr/dist/utils/print-column.js

Fork of react-native-thermal-receipt-printer. A React Native Library to support USB/BLE/Net printer

/**
 * Using to add space for each row
 * @param text
 * @param restLength
 * @param align
 */
var processAlignText = function (text, restLength, align) {
  if (align === 0) {
    return text + " ".repeat(restLength);
  } else if (align === 1) {
    return (
      " ".repeat(Math.floor(restLength / 2)) +
      text +
      " ".repeat(Math.ceil(restLength / 2))
    );
  } else if (align === 2) {
    return " ".repeat(restLength) + text;
  }
  return "";
};
/**
 * process down line when length of text is bigger than columnWidthAtRow
 * @param text
 * @param maxLength
 */
var processNewLine = function (text, maxLength) {
  var _a;
  var newText;
  var newTextTail;
  var next_char = text.slice(maxLength, maxLength + 1);
  if (next_char === " ") {
    newText = text.slice(0, maxLength);
    newTextTail = text.slice(maxLength, text.length);
  } else {
    var newMaxLength = text
      .slice(0, maxLength)
      .split("")
      .map(function (e) {
        return e;
      })
      .lastIndexOf(" ");
    if (newMaxLength === -1) {
      newText = text.slice(0, maxLength);
      newTextTail = text.slice(maxLength, text.length);
    } else {
      newText = text.slice(0, newMaxLength);
      newTextTail = text.slice(newMaxLength, text.length);
    }
  }
  return {
    text: newText !== null && newText !== void 0 ? newText : "",
    text_tail: (_a = newTextTail.trim()) !== null && _a !== void 0 ? _a : "",
  };
};
export var processColumnText = function (
  texts,
  columnWidth,
  columnAlignment,
  columnStyle
) {
  if (columnStyle === void 0) {
    columnStyle = [];
  }
  var rest_texts = ["", "", ""];
  var result = "";
  texts.map(function (text, idx) {
    var _a, _b;
    var columnWidthAtRow = Math.round(
      columnWidth === null || columnWidth === void 0 ? void 0 : columnWidth[idx]
    );
    if (text.length >= columnWidth[idx]) {
      var processedText = processNewLine(text, columnWidthAtRow);
      result +=
        ((_a =
          columnStyle === null || columnStyle === void 0
            ? void 0
            : columnStyle[idx]) !== null && _a !== void 0
          ? _a
          : "") +
        processAlignText(
          processedText.text,
          columnWidthAtRow - processedText.text.length,
          columnAlignment[idx]
        ) +
        (idx !== 2 ? " " : "");
      rest_texts[idx] = processedText.text_tail;
    } else {
      result +=
        ((_b =
          columnStyle === null || columnStyle === void 0
            ? void 0
            : columnStyle[idx]) !== null && _b !== void 0
          ? _b
          : "") +
        processAlignText(
          text.trim(),
          columnWidthAtRow - text.length,
          columnAlignment[idx]
        ) +
        (idx !== 2 ? " " : "");
    }
  });
  var index_nonEmpty = rest_texts.findIndex(function (rest_text) {
    return rest_text != "";
  });
  if (index_nonEmpty !== -1) {
    result +=
      "\n" +
      processColumnText(rest_texts, columnWidth, columnAlignment, columnStyle);
  }
  return result;
};