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