kmx.io/prism.js

diff --git a/plugins/line-numbers/prism-line-numbers.js b/plugins/line-numbers/prism-line-numbers.js
index b2e3147..61a4c99 100644
--- a/plugins/line-numbers/prism-line-numbers.js
+++ b/plugins/line-numbers/prism-line-numbers.js
@@ -27,6 +27,9 @@
 		if (whiteSpace === 'pre-wrap' || whiteSpace === 'pre-line') {
 			var codeElement = element.querySelector('code');
 			var lineNumbersWrapper = element.querySelector('.line-numbers-rows');
+			if (!codeElement || !lineNumbersWrapper) {
+				return;
+			}
 			var lineNumberSizer = element.querySelector('.line-numbers-sizer');
 			var codeLines = codeElement.textContent.split(NEW_LINE_EXP);
 
diff --git a/plugins/line-numbers/prism-line-numbers.min.js b/plugins/line-numbers/prism-line-numbers.min.js
index 59fc41d..7e272c3 100644
--- a/plugins/line-numbers/prism-line-numbers.min.js
+++ b/plugins/line-numbers/prism-line-numbers.min.js
@@ -1 +1 @@
-!function(){if("undefined"!=typeof self&&self.Prism&&self.document){var l="line-numbers",c=/\n(?!$)/g,m=function(e){var t=a(e)["white-space"];if("pre-wrap"===t||"pre-line"===t){var n=e.querySelector("code"),r=e.querySelector(".line-numbers-rows"),s=e.querySelector(".line-numbers-sizer"),i=n.textContent.split(c);s||((s=document.createElement("span")).className="line-numbers-sizer",n.appendChild(s)),s.style.display="block",i.forEach(function(e,t){s.textContent=e||"\n";var n=s.getBoundingClientRect().height;r.children[t].style.height=n+"px"}),s.textContent="",s.style.display="none"}},a=function(e){return e?window.getComputedStyle?getComputedStyle(e):e.currentStyle||null:null};window.addEventListener("resize",function(){Array.prototype.forEach.call(document.querySelectorAll("pre."+l),m)}),Prism.hooks.add("complete",function(e){if(e.code){var t=e.element,n=t.parentNode;if(n&&/pre/i.test(n.nodeName)&&!t.querySelector(".line-numbers-rows")){for(var r=!1,s=/(?:^|\s)line-numbers(?:\s|$)/,i=t;i;i=i.parentNode)if(s.test(i.className)){r=!0;break}if(r){t.className=t.className.replace(s," "),s.test(n.className)||(n.className+=" line-numbers");var l,a=e.code.match(c),o=a?a.length+1:1,u=new Array(o+1).join("<span></span>");(l=document.createElement("span")).setAttribute("aria-hidden","true"),l.className="line-numbers-rows",l.innerHTML=u,n.hasAttribute("data-start")&&(n.style.counterReset="linenumber "+(parseInt(n.getAttribute("data-start"),10)-1)),e.element.appendChild(l),m(n),Prism.hooks.run("line-numbers",e)}}}}),Prism.hooks.add("line-numbers",function(e){e.plugins=e.plugins||{},e.plugins.lineNumbers=!0}),Prism.plugins.lineNumbers={getLine:function(e,t){if("PRE"===e.tagName&&e.classList.contains(l)){var n=e.querySelector(".line-numbers-rows"),r=parseInt(e.getAttribute("data-start"),10)||1,s=r+(n.children.length-1);t<r&&(t=r),s<t&&(t=s);var i=t-r;return n.children[i]}},resize:function(e){m(e)}}}}();
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+!function(){if("undefined"!=typeof self&&self.Prism&&self.document){var l="line-numbers",c=/\n(?!$)/g,m=function(e){var t=a(e)["white-space"];if("pre-wrap"===t||"pre-line"===t){var n=e.querySelector("code"),r=e.querySelector(".line-numbers-rows");if(!n||!r)return;var s=e.querySelector(".line-numbers-sizer"),i=n.textContent.split(c);s||((s=document.createElement("span")).className="line-numbers-sizer",n.appendChild(s)),s.style.display="block",i.forEach(function(e,t){s.textContent=e||"\n";var n=s.getBoundingClientRect().height;r.children[t].style.height=n+"px"}),s.textContent="",s.style.display="none"}},a=function(e){return e?window.getComputedStyle?getComputedStyle(e):e.currentStyle||null:null};window.addEventListener("resize",function(){Array.prototype.forEach.call(document.querySelectorAll("pre."+l),m)}),Prism.hooks.add("complete",function(e){if(e.code){var t=e.element,n=t.parentNode;if(n&&/pre/i.test(n.nodeName)&&!t.querySelector(".line-numbers-rows")){for(var r=!1,s=/(?:^|\s)line-numbers(?:\s|$)/,i=t;i;i=i.parentNode)if(s.test(i.className)){r=!0;break}if(r){t.className=t.className.replace(s," "),s.test(n.className)||(n.className+=" line-numbers");var l,a=e.code.match(c),o=a?a.length+1:1,u=new Array(o+1).join("<span></span>");(l=document.createElement("span")).setAttribute("aria-hidden","true"),l.className="line-numbers-rows",l.innerHTML=u,n.hasAttribute("data-start")&&(n.style.counterReset="linenumber "+(parseInt(n.getAttribute("data-start"),10)-1)),e.element.appendChild(l),m(n),Prism.hooks.run("line-numbers",e)}}}}),Prism.hooks.add("line-numbers",function(e){e.plugins=e.plugins||{},e.plugins.lineNumbers=!0}),Prism.plugins.lineNumbers={getLine:function(e,t){if("PRE"===e.tagName&&e.classList.contains(l)){var n=e.querySelector(".line-numbers-rows"),r=parseInt(e.getAttribute("data-start"),10)||1,s=r+(n.children.length-1);t<r&&(t=r),s<t&&(t=s);var i=t-r;return n.children[i]}},resize:function(e){m(e)}}}}();
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