wp-prismatic/lib/prism/js/plugin-line-highlight.js

!function(){function e(e,t){return Array.prototype.slice.call((t||document).querySelectorAll(e))}function t(e,t){return t=" "+t+" ",(" "+e.className+" ").replace(/[\n\t]/g," ").indexOf(t)>-1}function n(e,n,i){n="string"==typeof n?n:e.getAttribute("data-line");for(var o,l=n.replace(/\s+/g,"").split(","),a=+e.getAttribute("data-line-offset")||0,s=r()?parseInt:parseFloat,d=s(getComputedStyle(e).lineHeight),u=t(e,"line-numbers"),c=0;o=l[c++];){var p=o.split("-"),m=+p[0],f=+p[1]||m,h=e.querySelector('.line-highlight[data-range="'+o+'"]')||document.createElement("div");if(h.setAttribute("aria-hidden","true"),h.setAttribute("data-range",o),h.className=(i||"")+" line-highlight",u&&Prism.plugins.lineNumbers){var g=Prism.plugins.lineNumbers.getLine(e,m),y=Prism.plugins.lineNumbers.getLine(e,f);g&&(h.style.top=g.offsetTop+"px"),y&&(h.style.height=y.offsetTop-g.offsetTop+y.offsetHeight+"px")}else h.setAttribute("data-start",m),f>m&&h.setAttribute("data-end",f),h.style.top=(m-a-1)*d+"px",h.textContent=new Array(f-m+2).join(" \n");u?e.appendChild(h):(e.querySelector("code")||e).appendChild(h)}}function i(){var t=location.hash.slice(1);e(".temporary.line-highlight").forEach(function(e){e.parentNode.removeChild(e)});var i=(t.match(/\.([\d,-]+)$/)||[,""])[1];if(i&&!document.getElementById(t)){var r=t.slice(0,t.lastIndexOf(".")),o=document.getElementById(r);o&&(o.hasAttribute("data-line")||o.setAttribute("data-line",""),n(o,i,"temporary "),document.querySelector(".temporary.line-highlight").scrollIntoView())}}if("undefined"!=typeof self&&self.Prism&&self.document&&document.querySelector){var r=function(){var e;return function(){if("undefined"==typeof e){var t=document.createElement("div");t.style.fontSize="13px",t.style.lineHeight="1.5",t.style.padding=0,t.style.border=0,t.innerHTML="&nbsp;<br />&nbsp;",document.body.appendChild(t),e=38===t.offsetHeight,document.body.removeChild(t)}return e}}(),o=0;Prism.hooks.add("before-sanity-check",function(t){var n=t.element.parentNode,i=n&&n.getAttribute("data-line");if(n&&i&&/pre/i.test(n.nodeName)){var r=0;e(".line-highlight",n).forEach(function(e){r+=e.textContent.length,e.parentNode.removeChild(e)}),r&&/^( \n)+$/.test(t.code.slice(-r))&&(t.code=t.code.slice(0,-r))}}),Prism.hooks.add("complete",function l(e){var r=e.element.parentNode,a=r&&r.getAttribute("data-line");if(r&&a&&/pre/i.test(r.nodeName)){clearTimeout(o);var s=Prism.plugins.lineNumbers,d=e.plugins&&e.plugins.lineNumbers;t(r,"line-numbers")&&s&&!d?Prism.hooks.add("line-numbers",l):(n(r,a),o=setTimeout(i,1))}}),window.addEventListener("hashchange",i),window.addEventListener("resize",function(){var e=document.querySelectorAll("pre[data-line]");Array.prototype.forEach.call(e,function(e){n(e)})})}}();