kmx.io/prism.js/plugins/ie8/prism-ie8.js

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• Hash : e1cd33df
  Author :
  Date : 2012-08-01T02:47:23
  

  Made the page a bit more IE friendly, added a first version of the IE8 plugin (WIP)

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• plugins/ie8/prism-ie8.js

• (function(){
  
  if (!window.Prism) {
  	return;
  }
  
  var dummy = document.createElement('header');
  
  if (!String.prototype.trim) {
  	String.prototype.trim = function () {
  		return this.replace(/^\s+/g, '').replace(/\s+$/g, '');
  	};
  }
  
  // textContent polyfill
  if (!('textContent' in dummy) && ('innerText' in dummy) && Object.defineProperty) {
  	Object.defineProperty(Element.prototype, 'textContent', {
  		get: function() {
  			return this.innerText;
  		},
  		set: function(text) {
  			this.innerText = text;
  		}
  	});
  }
  
  // IE8 doesn't have DOMContentLoaded
  if (!document.addEventListener && 'textContent' in dummy) {
  	setTimeout(Prism.highlightAll, 10);
  }
  
  // Test if innerHTML line break bug is present
  dummy.innerHTML = '\r\n';
  
  if (dummy.textContent.indexOf('\n') === -1) {
  	// IE8 innerHTML bug: Discards line breaks
  	Prism.hooks.add('after-highlight', function(env) {
  		env.element.innerHTML = env.highlightedCode.replace(/\r?\n/g, '<br>');
  	});
  }
  
  })();

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