width/index.js

## License MIT © [Nil Késede](http://ksde.pw)

var querySelector = require('query-selector-all');
var isElement = require('is-element');

module.exports = function(element) {
  var theWidth = 0;

  if (typeof element == 'string') {
    querySelector(element, function(el) {
      theWidth = width(el);
    });
  } else if (isElement(element)) {
    theWidth = width(element);
  }

  return theWidth;
};

function width(el) {
  var width = el.offsetWidth;
  var style = getComputedStyle(el);

  width += parseInt(style.marginLeft) + parseInt(style.marginRight);
  return width;
}