bstro

import Ember from 'ember';

// no one will ever need more than 100000 cells.
const TOP_CELL_ZINDEX = 100000;

function _toSum(sumOfPreviousDimensions, cssValue) {
  const separatedNumberAndUnitIdentifier = /(\d+)\s*(\w+)/
  // '100px' => ['100px', '100', 'px'];
  const [, curValue, curUnit] = cssValue.match(separatedNumberAndUnitIdentifier); 
  const [, prevValue, prevUnit] = sumOfPreviousDimensions.match(separatedNumberAndUnitIdentifier);