text-aligner/dist/index.js

Align text by adding spaces to each string so that all strings have the same number of English and Chinese characters.

// src/index.ts
var DefaultPaddingMap = {
  cjk: {
    test: isCJK,
    width: 2
  }
};
function isCJK(char) {
  const cjkRanges = [
    [19968, 40959],
    [13312, 19903],
    [131072, 173791],
    [173824, 177983],
    [177984, 178207],
    [178208, 183983],
    [63744, 64255],
    [194560, 195103],
    [12352, 12447],
    [12448, 12543],
    [12784, 12799],
    [44032, 55203],
    [4352, 4607],
    [12592, 12687],
    [65280, 65519]
  ];
  const charCode = char.codePointAt(0);
  return cjkRanges.some(([start, end]) => charCode >= start && charCode <= end);
}
function getCharWidth(char, rules) {
  for (const rule of Object.values(rules)) {
    const matched = typeof rule.test === "function" ? rule.test(char) : rule.test.test(char);
    if (matched) {
      return rule.width;
    }
  }
  return 1;
}
function getStringWidth(str, rules) {
  let width = 0;
  for (const char of str) {
    width += getCharWidth(char, rules);
  }
  return width;
}
function alignText(strings, paddingMap = {}, placeholder = " ") {
  const mergedPaddingMap = { ...DefaultPaddingMap, ...paddingMap };
  const widths = strings.map((str) => getStringWidth(str, mergedPaddingMap));
  const maxWidth = Math.max(...widths);
  return strings.map((str, index) => {
    const diff = maxWidth - widths[index];
    return str + placeholder.repeat(diff);
  });
}
export {
  alignText
};
//# sourceMappingURL=index.js.map