wp-prismatic/lib/prism/js/plugin-line-numbers.js
Jeff Starr a4e230dcce initial commit
git-svn-id: https://plugins.svn.wordpress.org/prismatic/trunk@1521267 b8457f37-d9ea-0310-8a92-e5e31aec5664
2016-10-24 17:20:42 +00:00

1 line
791 B
JavaScript

!function(){"undefined"!=typeof self&&self.Prism&&self.document&&Prism.hooks.add("complete",function(e){if(e.code){var t=e.element.parentNode,s=/\s*\bline-numbers\b\s*/;if(t&&/pre/i.test(t.nodeName)&&(s.test(t.className)||s.test(e.element.className))&&!e.element.querySelector(".line-numbers-rows")){s.test(e.element.className)&&(e.element.className=e.element.className.replace(s,"")),s.test(t.className)||(t.className+=" line-numbers");var n,a=e.code.match(/\n(?!$)/g),l=a?a.length+1:1,r=new Array(l+1);r=r.join("<span></span>"),n=document.createElement("span"),n.setAttribute("aria-hidden","true"),n.className="line-numbers-rows",n.innerHTML=r,t.hasAttribute("data-start")&&(t.style.counterReset="linenumber "+(parseInt(t.getAttribute("data-start"),10)-1)),e.element.appendChild(n)}}})}();