react-microspreadsheet/lib/utils.js

A pluggable spreadsheet component.

// Generated by CoffeeScript 1.8.0
var addrIndex, firstCellFromMulti, getAddressFromCoord, getCoordFromAddress, lastCellFromMulti, letters;

letters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';

getAddressFromCoord = function(coord) {
  return letters[coord[1]] + (coord[0] + 1);
};

addrIndex = {};

getCoordFromAddress = function(addr) {
  if (!(addr in addrIndex)) {
    addrIndex[addr] = [parseInt(addr.slice(1)) - 1, letters.indexOf(addr[0])];
  }
  return addrIndex[addr];
};

firstCellFromMulti = function(multi) {
  return [Math.min(multi[0][0], multi[1][0]), Math.min(multi[0][1], multi[1][1])];
};

lastCellFromMulti = function(multi) {
  return [Math.max(multi[0][0], multi[1][0]), Math.max(multi[0][1], multi[1][1])];
};

module.exports = {
  letters: letters,
  getAddressFromCoord: getAddressFromCoord,
  getCoordFromAddress: getCoordFromAddress,
  firstCellFromMulti: firstCellFromMulti,
  lastCellFromMulti: lastCellFromMulti,
  log: function(res, base) {
    return Math.log(res) / Math.log(base);
  }
};