packages/Respond.1.2.0/content/Scripts/respond.js

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/* NUGET: BEGIN LICENSE TEXT
 *
 * Microsoft grants you the right to use these script files for the sole
 * purpose of either: (i) interacting through your browser with the Microsoft
 * website or online service, subject to the applicable licensing or use
 * terms; or (ii) using the files as included with a Microsoft product subject
 * to that product's license terms. Microsoft reserves all other rights to the
 * files not expressly granted by Microsoft, whether by implication, estoppel
 * or otherwise. Insofar as a script file is dual licensed under GPL,
 * Microsoft neither took the code under GPL nor distributes it thereunder but
 * under the terms set out in this paragraph. All notices and licenses
 * below are for informational purposes only.
 *
 * NUGET: END LICENSE TEXT */
/*! matchMedia() polyfill - Test a CSS media type/query in JS. Authors & copyright (c) 2012: Scott Jehl, Paul Irish, Nicholas Zakas. Dual MIT/BSD license */
/*! NOTE: If you're already including a window.matchMedia polyfill via Modernizr or otherwise, you don't need this part */
window.matchMedia = window.matchMedia || (function(doc, undefined){
  
  var bool,
      docElem  = doc.documentElement,
      refNode  = docElem.firstElementChild || docElem.firstChild,
      // fakeBody required for <FF4 when executed in <head>
      fakeBody = doc.createElement('body'),
      div      = doc.createElement('div');
  
  div.id = 'mq-test-1';
  div.style.cssText = "position:absolute;top:-100em";
  fakeBody.style.background = "none";
  fakeBody.appendChild(div);
  
  return function(q){
    
    div.innerHTML = '&shy;<style media="'+q+'"> #mq-test-1 { width: 42px; }</style>';
    
    docElem.insertBefore(fakeBody, refNode);
    bool = div.offsetWidth == 42;  
    docElem.removeChild(fakeBody);
    
    return { matches: bool, media: q };
  };
  
})(document);




/*! Respond.js v1.2.0: min/max-width media query polyfill. (c) Scott Jehl. MIT/GPLv2 Lic. j.mp/respondjs  */
(function( win ){
	//exposed namespace
	win.respond		= {};
	
	//define update even in native-mq-supporting browsers, to avoid errors
	respond.update	= function(){};
	
	//expose media query support flag for external use
	respond.mediaQueriesSupported	= win.matchMedia && win.matchMedia( "only all" ).matches;
	
	//if media queries are supported, exit here
	if( respond.mediaQueriesSupported ){ return; }