@fileverse-dev/formula-parser/lib/helper/cell.js

Formula parser

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.columnIndexToLabel = columnIndexToLabel;
exports.columnLabelToIndex = columnLabelToIndex;
exports.extractLabel = extractLabel;
exports.rowIndexToLabel = rowIndexToLabel;
exports.rowLabelToIndex = rowLabelToIndex;
exports.toLabel = toLabel;
function _slicedToArray(r, e) { return _arrayWithHoles(r) || _iterableToArrayLimit(r, e) || _unsupportedIterableToArray(r, e) || _nonIterableRest(); }
function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _unsupportedIterableToArray(r, a) { if (r) { if ("string" == typeof r) return _arrayLikeToArray(r, a); var t = {}.toString.call(r).slice(8, -1); return "Object" === t && r.constructor && (t = r.constructor.name), "Map" === t || "Set" === t ? Array.from(r) : "Arguments" === t || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(t) ? _arrayLikeToArray(r, a) : void 0; } }
function _arrayLikeToArray(r, a) { (null == a || a > r.length) && (a = r.length); for (var e = 0, n = Array(a); e < a; e++) n[e] = r[e]; return n; }
function _iterableToArrayLimit(r, l) { var t = null == r ? null : "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (null != t) { var e, n, i, u, a = [], f = !0, o = !1; try { if (i = (t = t.call(r)).next, 0 === l) { if (Object(t) !== t) return; f = !1; } else for (; !(f = (e = i.call(t)).done) && (a.push(e.value), a.length !== l); f = !0); } catch (r) { o = !0, n = r; } finally { try { if (!f && null != t["return"] && (u = t["return"](), Object(u) !== u)) return; } finally { if (o) throw n; } } return a; } }
function _arrayWithHoles(r) { if (Array.isArray(r)) return r; }
/**
 * Convert row label to index.
 *
 * @param {String} label Row label (eq. '1', '5')
 * @returns {Number} Returns -1 if label is not recognized otherwise proper row index.
 */
function rowLabelToIndex(label) {
  var result = parseInt(label, 10);
  if (isNaN(result)) {
    result = -1;
  } else {
    result = Math.max(result - 1, -1);
  }
  return result;
}

/**
 * Convert row index to label.
 *
 * @param {Number} row Row index.
 * @returns {String} Returns row label (eq. '1', '7').
 */
function rowIndexToLabel(row) {
  var result = "";
  if (row >= 0) {
    result = "".concat(row + 1);
  }
  return result;
}
var COLUMN_LABEL_BASE = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
var COLUMN_LABEL_BASE_LENGTH = COLUMN_LABEL_BASE.length;

/**
 * Convert column label to index.
 *
 * @param {String} label Column label (eq. 'ABB', 'CNQ')
 * @returns {Number} Returns -1 if label is not recognized otherwise proper column index.
 */
function columnLabelToIndex(label) {
  var result = 0;
  if (typeof label === "string") {
    label = label.toUpperCase();
    for (var i = 0, j = label.length - 1; i < label.length; i += 1, j -= 1) {
      result += Math.pow(COLUMN_LABEL_BASE_LENGTH, j) * (COLUMN_LABEL_BASE.indexOf(label[i]) + 1);
    }
  }
  --result;
  return result;
}

/**
 * Convert column index to label.
 *
 * @param {Number} column Column index.
 * @returns {String} Returns column label (eq. 'ABB', 'CNQ').
 */
function columnIndexToLabel(column) {
  var result = "";
  while (column >= 0) {
    result = String.fromCharCode(column % COLUMN_LABEL_BASE_LENGTH + 97) + result;
    column = Math.floor(column / COLUMN_LABEL_BASE_LENGTH) - 1;
  }
  return result.toUpperCase();
}
var simpleSheetName = "[A-Za-z0-9_\xC0-\u02AF]+";
var quotedSheetName = "'(?:(?!').|'')*'";
var sheetNameRegexp = "(".concat(simpleSheetName, "|").concat(quotedSheetName, ")!");
var LABEL_EXTRACT_REGEXP = new RegExp("^(?:".concat(sheetNameRegexp, ")?([$])?([A-Za-z]*)([$])?([0-9]*)$"));

/**
 * Extract cell coordinates.
 *
 * @param {String} label Cell coordinates (eq. 'A1', '$B6', '$N$98').
 * @returns {Array} Returns an array of objects.
 */
function extractLabel(label) {
  if (typeof label !== "string" || !LABEL_EXTRACT_REGEXP.test(label)) {
    return [];
  }
  var _label$toUpperCase$ma = label.toUpperCase().match(LABEL_EXTRACT_REGEXP),
    _label$toUpperCase$ma2 = _slicedToArray(_label$toUpperCase$ma, 6),
    sheetNameStr = _label$toUpperCase$ma2[1],
    columnAbs = _label$toUpperCase$ma2[2],
    column = _label$toUpperCase$ma2[3],
    rowAbs = _label$toUpperCase$ma2[4],
    row = _label$toUpperCase$ma2[5];
  if (column == null && row == null) return [];
  var sheetName = sheetNameStr == null ? null : label.slice(0, sheetNameStr.length).replace(/^'|'$/g, "").replace(/''/g, "'");
  return [{
    index: rowLabelToIndex(row),
    label: row,
    isAbsolute: rowAbs === "$"
  }, {
    index: columnLabelToIndex(column),
    label: column,
    isAbsolute: columnAbs === "$"
  }, sheetName];
}

/**
 * Convert row and column indexes into cell label.
 *
 * @param {Object} row Object with `index` and `isAbsolute` properties.
 * @param {Object} column Object with `index` and `isAbsolute` properties.
 * @returns {String} Returns cell label.
 */
function toLabel(row, column) {
  var rowLabel = (row.isAbsolute ? "$" : "") + rowIndexToLabel(row.index);
  var columnLabel = (column.isAbsolute ? "$" : "") + columnIndexToLabel(column.index);
  return columnLabel + rowLabel;
}