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							314 lines
						
					
					
						
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							314 lines
						
					
					
						
							10 KiB
						
					
					
				"use strict";
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function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
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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."); }
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function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
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function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
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function _iterableToArrayLimit(arr, i) { if (typeof Symbol === "undefined" || !(Symbol.iterator in Object(arr))) return; var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
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function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
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function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }
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function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
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function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
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var addressRegex = /^[A-Z]+\d+$/; // =========================================================================
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// Column Letter to Number conversion
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var colCache = {
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  _dictionary: ['A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z'],
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  _l2nFill: 0,
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  _l2n: {},
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  _n2l: [],
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  _level: function _level(n) {
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    if (n <= 26) {
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      return 1;
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    }
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    if (n <= 26 * 26) {
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      return 2;
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    }
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    return 3;
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  },
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  _fill: function _fill(level) {
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    var c;
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    var v;
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    var l1;
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    var l2;
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    var l3;
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    var n = 1;
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    if (level >= 4) {
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      throw new Error('Out of bounds. Excel supports columns from 1 to 16384');
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    }
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    if (this._l2nFill < 1 && level >= 1) {
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      while (n <= 26) {
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        c = this._dictionary[n - 1];
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        this._n2l[n] = c;
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        this._l2n[c] = n;
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        n++;
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      }
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      this._l2nFill = 1;
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    }
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    if (this._l2nFill < 2 && level >= 2) {
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      n = 27;
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      while (n <= 26 + 26 * 26) {
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        v = n - (26 + 1);
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        l1 = v % 26;
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        l2 = Math.floor(v / 26);
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        c = this._dictionary[l2] + this._dictionary[l1];
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        this._n2l[n] = c;
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        this._l2n[c] = n;
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        n++;
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      }
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      this._l2nFill = 2;
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    }
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    if (this._l2nFill < 3 && level >= 3) {
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      n = 26 + 26 * 26 + 1;
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      while (n <= 16384) {
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        v = n - (26 * 26 + 26 + 1);
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        l1 = v % 26;
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        l2 = Math.floor(v / 26) % 26;
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        l3 = Math.floor(v / (26 * 26));
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        c = this._dictionary[l3] + this._dictionary[l2] + this._dictionary[l1];
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        this._n2l[n] = c;
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        this._l2n[c] = n;
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        n++;
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      }
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      this._l2nFill = 3;
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    }
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  },
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  l2n: function l2n(l) {
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    if (!this._l2n[l]) {
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      this._fill(l.length);
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    }
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    if (!this._l2n[l]) {
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      throw new Error("Out of bounds. Invalid column letter: ".concat(l));
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    }
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    return this._l2n[l];
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  },
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  n2l: function n2l(n) {
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    if (n < 1 || n > 16384) {
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      throw new Error("".concat(n, " is out of bounds. Excel supports columns from 1 to 16384"));
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    }
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    if (!this._n2l[n]) {
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      this._fill(this._level(n));
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    }
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    return this._n2l[n];
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  },
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  // =========================================================================
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  // Address processing
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  _hash: {},
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  // check if value looks like an address
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  validateAddress: function validateAddress(value) {
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    if (!addressRegex.test(value)) {
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      throw new Error("Invalid Address: ".concat(value));
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    }
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    return true;
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  },
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  // convert address string into structure
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  decodeAddress: function decodeAddress(value) {
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    var addr = value.length < 5 && this._hash[value];
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    if (addr) {
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      return addr;
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    }
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    var hasCol = false;
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    var col = '';
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    var colNumber = 0;
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    var hasRow = false;
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    var row = '';
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    var rowNumber = 0;
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    for (var i = 0, char; i < value.length; i++) {
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      char = value.charCodeAt(i); // col should before row
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      if (!hasRow && char >= 65 && char <= 90) {
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        // 65 = 'A'.charCodeAt(0)
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        // 90 = 'Z'.charCodeAt(0)
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        hasCol = true;
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        col += value[i]; // colNumber starts from 1
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        colNumber = colNumber * 26 + char - 64;
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      } else if (char >= 48 && char <= 57) {
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        // 48 = '0'.charCodeAt(0)
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        // 57 = '9'.charCodeAt(0)
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        hasRow = true;
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        row += value[i]; // rowNumber starts from 0
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        rowNumber = rowNumber * 10 + char - 48;
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      } else if (hasRow && hasCol && char !== 36) {
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        // 36 = '$'.charCodeAt(0)
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        break;
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      }
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    }
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    if (!hasCol) {
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      colNumber = undefined;
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    } else if (colNumber > 16384) {
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      throw new Error("Out of bounds. Invalid column letter: ".concat(col));
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    }
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    if (!hasRow) {
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      rowNumber = undefined;
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    } // in case $row$col
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    value = col + row;
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    var address = {
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      address: value,
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      col: colNumber,
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      row: rowNumber,
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      $col$row: "$".concat(col, "$").concat(row)
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    }; // mem fix - cache only the tl 100x100 square
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    if (colNumber <= 100 && rowNumber <= 100) {
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      this._hash[value] = address;
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      this._hash[address.$col$row] = address;
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    }
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    return address;
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  },
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  // convert r,c into structure (if only 1 arg, assume r is address string)
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  getAddress: function getAddress(r, c) {
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    if (c) {
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      var address = this.n2l(c) + r;
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      return this.decodeAddress(address);
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    }
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    return this.decodeAddress(r);
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  },
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  // convert [address], [tl:br] into address structures
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  decode: function decode(value) {
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    var parts = value.split(':');
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    if (parts.length === 2) {
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      var tl = this.decodeAddress(parts[0]);
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      var br = this.decodeAddress(parts[1]);
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      var result = {
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        top: Math.min(tl.row, br.row),
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        left: Math.min(tl.col, br.col),
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        bottom: Math.max(tl.row, br.row),
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        right: Math.max(tl.col, br.col)
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      }; // reconstruct tl, br and dimensions
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      result.tl = this.n2l(result.left) + result.top;
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      result.br = this.n2l(result.right) + result.bottom;
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      result.dimensions = "".concat(result.tl, ":").concat(result.br);
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      return result;
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    }
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    return this.decodeAddress(value);
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  },
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  // convert [sheetName!][$]col[$]row[[$]col[$]row] into address or range structures
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  decodeEx: function decodeEx(value) {
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    var groups = value.match(/(?:(?:(?:'((?:[^']|'')*)')|([^'^ !]*))!)?(.*)/);
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    var sheetName = groups[1] || groups[2]; // Qouted and unqouted groups
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    var reference = groups[3]; // Remaining address
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    var parts = reference.split(':');
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    if (parts.length > 1) {
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      var tl = this.decodeAddress(parts[0]);
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      var br = this.decodeAddress(parts[1]);
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      var top = Math.min(tl.row, br.row);
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      var left = Math.min(tl.col, br.col);
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      var bottom = Math.max(tl.row, br.row);
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      var right = Math.max(tl.col, br.col);
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      tl = this.n2l(left) + top;
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      br = this.n2l(right) + bottom;
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      return {
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        top: top,
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        left: left,
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        bottom: bottom,
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        right: right,
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        sheetName: sheetName,
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        tl: {
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          address: tl,
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          col: left,
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          row: top,
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          $col$row: "$".concat(this.n2l(left), "$").concat(top),
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          sheetName: sheetName
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        },
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        br: {
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          address: br,
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          col: right,
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          row: bottom,
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          $col$row: "$".concat(this.n2l(right), "$").concat(bottom),
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          sheetName: sheetName
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        },
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        dimensions: "".concat(tl, ":").concat(br)
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      };
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    }
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    if (reference.startsWith('#')) {
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      return sheetName ? {
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        sheetName: sheetName,
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        error: reference
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      } : {
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        error: reference
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      };
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    }
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    var address = this.decodeAddress(reference);
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    return sheetName ? _objectSpread({
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      sheetName: sheetName
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    }, address) : address;
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  },
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  // convert row,col into address string
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  encodeAddress: function encodeAddress(row, col) {
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    return colCache.n2l(col) + row;
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  },
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  // convert row,col into string address or t,l,b,r into range
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  encode: function encode() {
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    switch (arguments.length) {
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      case 2:
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        return colCache.encodeAddress(arguments[0], arguments[1]);
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      case 4:
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        return "".concat(colCache.encodeAddress(arguments[0], arguments[1]), ":").concat(colCache.encodeAddress(arguments[2], arguments[3]));
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      default:
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        throw new Error('Can only encode with 2 or 4 arguments');
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    }
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  },
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  // return true if address is contained within range
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  inRange: function inRange(range, address) {
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    var _range = _slicedToArray(range, 5),
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        left = _range[0],
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        top = _range[1],
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        right = _range[3],
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        bottom = _range[4];
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    var _address = _slicedToArray(address, 2),
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        col = _address[0],
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        row = _address[1];
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    return col >= left && col <= right && row >= top && row <= bottom;
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  }
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};
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module.exports = colCache;
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//# sourceMappingURL=col-cache.js.map
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