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7 lines
5.1 KiB
JavaScript
7 lines
5.1 KiB
JavaScript
/**
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* AnchorJS - v3.2.2 - 2016-10-05
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* https://github.com/bryanbraun/anchorjs
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* Copyright (c) 2016 Bryan Braun; Licensed MIT
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*/
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!function(A,e){"use strict";"function"==typeof define&&define.amd?define([],e):"object"==typeof module&&module.exports?module.exports=e():(A.AnchorJS=e(),A.anchors=new A.AnchorJS)}(this,function(){"use strict";function A(A){function e(A){A.icon=A.hasOwnProperty("icon")?A.icon:"",A.visible=A.hasOwnProperty("visible")?A.visible:"hover",A.placement=A.hasOwnProperty("placement")?A.placement:"right",A.class=A.hasOwnProperty("class")?A.class:"",A.truncate=A.hasOwnProperty("truncate")?Math.floor(A.truncate):64}function t(A){var e;if("string"==typeof A||A instanceof String)e=[].slice.call(document.querySelectorAll(A));else{if(!(Array.isArray(A)||A instanceof NodeList))throw new Error("The selector provided to AnchorJS was invalid.");e=[].slice.call(A)}return e}function n(){if(null===document.head.querySelector("style.anchorjs")){var A,e=document.createElement("style"),t=" .anchorjs-link { opacity: 0; text-decoration: none; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }",n=" *:hover > .anchorjs-link, .anchorjs-link:focus { opacity: 1; }",i=' @font-face { font-family: "anchorjs-icons"; src: url(data:n/a;base64,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) format("truetype"); }',o=" [data-anchorjs-icon]::after { content: attr(data-anchorjs-icon); }";e.className="anchorjs",e.appendChild(document.createTextNode("")),A=document.head.querySelector('[rel="stylesheet"], style'),void 0===A?document.head.appendChild(e):document.head.insertBefore(e,A),e.sheet.insertRule(t,e.sheet.cssRules.length),e.sheet.insertRule(n,e.sheet.cssRules.length),e.sheet.insertRule(o,e.sheet.cssRules.length),e.sheet.insertRule(i,e.sheet.cssRules.length)}}this.options=A||{},this.elements=[],e(this.options),this.isTouchDevice=function(){return!!("ontouchstart"in window||window.DocumentTouch&&document instanceof DocumentTouch)},this.add=function(A){var i,o,s,c,r,a,h,l,u,d,f,p,w=[];if(e(this.options),p=this.options.visible,"touch"===p&&(p=this.isTouchDevice()?"always":"hover"),A||(A="h1, h2, h3, h4, h5, h6"),i=t(A),0===i.length)return!1;for(n(),o=document.querySelectorAll("[id]"),s=[].map.call(o,function(A){return A.id}),r=0;r<i.length;r++)if(this.hasAnchorJSLink(i[r]))w.push(r);else{if(i[r].hasAttribute("id"))c=i[r].getAttribute("id");else{l=this.urlify(i[r].textContent),u=l,h=0;do void 0!==a&&(u=l+"-"+h),a=s.indexOf(u),h+=1;while(-1!==a);a=void 0,s.push(u),i[r].setAttribute("id",u),c=u}d=c.replace(/-/g," "),f=document.createElement("a"),f.className="anchorjs-link "+this.options.class,f.href="#"+c,f.setAttribute("aria-label","Anchor link for: "+d),f.setAttribute("data-anchorjs-icon",this.options.icon),"always"===p&&(f.style.opacity="1"),""===this.options.icon&&(f.style.font="1em/1 anchorjs-icons","left"===this.options.placement&&(f.style.lineHeight="inherit")),"left"===this.options.placement?(f.style.position="absolute",f.style.marginLeft="-1em",f.style.paddingRight="0.5em",i[r].insertBefore(f,i[r].firstChild)):(f.style.paddingLeft="0.375em",i[r].appendChild(f))}for(r=0;r<w.length;r++)i.splice(w[r]-r,1);return this.elements=this.elements.concat(i),this},this.remove=function(A){for(var e,n,i=t(A),o=0;o<i.length;o++)n=i[o].querySelector(".anchorjs-link"),n&&(e=this.elements.indexOf(i[o]),-1!==e&&this.elements.splice(e,1),i[o].removeChild(n));return this},this.removeAll=function(){this.remove(this.elements)},this.urlify=function(A){var t,n=/[& +$,:;=?@"#{}|^~[`%!'\]\.\/\(\)\*\\]/g;return this.options.truncate||e(this.options),t=A.trim().replace(/\'/gi,"").replace(n,"-").replace(/-{2,}/g,"-").substring(0,this.options.truncate).replace(/^-+|-+$/gm,"").toLowerCase()},this.hasAnchorJSLink=function(A){var e=A.firstChild&&(" "+A.firstChild.className+" ").indexOf(" anchorjs-link ")>-1,t=A.lastChild&&(" "+A.lastChild.className+" ").indexOf(" anchorjs-link ")>-1;return e||t||!1}}return A});
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