diff --git a/plugins/line-numbers/prism-line-numbers.js b/plugins/line-numbers/prism-line-numbers.js index 7ab1dc046b..b2e3147584 100644 --- a/plugins/line-numbers/prism-line-numbers.js +++ b/plugins/line-numbers/prism-line-numbers.js @@ -138,10 +138,10 @@ */ Prism.plugins.lineNumbers = { /** - * Get node for provided line number - * @param {Element} element pre element - * @param {Number} number line number - * @return {Element|undefined} + * Returns the node of the given line number in the given element. + * @param {Element} element A `
` element with line numbers. + * @param {Number} number + * @returns {Element | undefined} */ getLine: function (element, number) { if (element.tagName !== 'PRE' || !element.classList.contains(PLUGIN_NAME)) { @@ -162,6 +162,16 @@ var lineIndex = number - lineNumberStart; return lineNumberRows.children[lineIndex]; + }, + /** + * Resizes the line numbers of the given element. + * + * This function will not add line numbers. It will only resize existing ones. + * @param {Element} element A `` element with line numbers. + * @returns {void} + */ + resize: function (element) { + _resizeElement(element); } }; diff --git a/plugins/line-numbers/prism-line-numbers.min.js b/plugins/line-numbers/prism-line-numbers.min.js index ca84bbe3e9..59fc41d37e 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("");(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");(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