preline/dist/scrollspy.mjs

Preline UI is an open-source set of prebuilt UI components based on the utility-first Tailwind CSS framework.

var e={615:(e,t,l)=>{l.d(t,{A:()=>s});class s{constructor(e,t,l){this.el=e,this.options=t,this.events=l,this.el=e,this.options=t,this.events={}}createCollection(e,t){var l;e.push({id:(null===(l=null==t?void 0:t.el)||void 0===l?void 0:l.id)||e.length+1,element:t})}fireEvent(e,t=null){if(this.events.hasOwnProperty(e))return this.events[e](t)}on(e,t){this.events[e]=t}}},926:(e,t,l)=>{l.d(t,{JD:()=>o,gj:()=>s});
/*
 * @version: 2.6.0
 * @author: Preline Labs Ltd.
 * @license: Licensed under MIT and Preline UI Fair Use License (https://preline.co/docs/license.html)
 * Copyright 2024 Preline Labs Ltd.
 */
const s=(e,t,l="")=>(window.getComputedStyle(e).getPropertyValue(t)||l).replace(" ","");const o=(e,t,l=null)=>{const s=new CustomEvent(e,{detail:{payload:l},bubbles:!0,cancelable:!0,composed:!1});t.dispatchEvent(s)}}},t={};function l(s){var o=t[s];if(void 0!==o)return o.exports;var i=t[s]={exports:{}};return e[s](i,i.exports,l),i.exports}l.d=(e,t)=>{for(var s in t)l.o(t,s)&&!l.o(e,s)&&Object.defineProperty(e,s,{enumerable:!0,get:t[s]})},l.o=(e,t)=>Object.prototype.hasOwnProperty.call(e,t);var s={};l.d(s,{A:()=>r});var o=l(926),i=l(615);
/*
 * HSScrollspy
 * @version: 2.6.0
 * @author: Preline Labs Ltd.
 * @license: Licensed under MIT and Preline UI Fair Use License (https://preline.co/docs/license.html)
 * Copyright 2024 Preline Labs Ltd.
 */
class n extends i.A{constructor(e,t={}){super(e,t),this.activeSection=null,this.contentId=this.el.getAttribute("data-hs-scrollspy"),this.content=document.querySelector(this.contentId),this.links=this.el.querySelectorAll("[href]"),this.sections=[],this.scrollableId=this.el.getAttribute("data-hs-scrollspy-scrollable-parent"),this.scrollable=this.scrollableId?document.querySelector(this.scrollableId):document,this.onLinkClickListener=[],this.init()}scrollableScroll(e){Array.from(this.sections).forEach((t=>{if(!t.getAttribute("id"))return!1;this.update(e,t)}))}linkClick(e,t){if(e.preventDefault(),"javascript:;"===t.getAttribute("href"))return!1;this.scrollTo(t)}init(){this.createCollection(window.$hsScrollspyCollection,this),this.links.forEach((e=>{this.sections.push(this.scrollable.querySelector(e.getAttribute("href")))})),this.onScrollableScrollListener=e=>this.scrollableScroll(e),this.scrollable.addEventListener("scroll",this.onScrollableScrollListener),this.links.forEach((e=>{this.onLinkClickListener.push({el:e,fn:t=>this.linkClick(t,e)}),e.addEventListener("click",this.onLinkClickListener.find((t=>t.el===e)).fn)}))}update(e,t){const l=parseInt((0,o.gj)(this.el,"--scrollspy-offset","0")),s=parseInt((0,o.gj)(t,"--scrollspy-offset"))||l,i=e.target===document?0:parseInt(String(e.target.getBoundingClientRect().top)),n=parseInt(String(t.getBoundingClientRect().top))-s-i,r=t.offsetHeight;if(n<=0&&n+r>0){if(this.activeSection===t)return!1;this.links.forEach((e=>{e.classList.remove("active")}));const e=this.el.querySelector(`[href="#${t.getAttribute("id")}"]`);if(e){e.classList.add("active");const t=e.closest("[data-hs-scrollspy-group]");if(t){const e=t.querySelector("[href]");e&&e.classList.add("active")}}this.activeSection=t}}scrollTo(e){const t=e.getAttribute("href"),l=document.querySelector(t),s=parseInt((0,o.gj)(this.el,"--scrollspy-offset","0")),i=parseInt((0,o.gj)(l,"--scrollspy-offset"))||s,n=this.scrollable===document?0:this.scrollable.offsetTop,r=l.offsetTop-i-n,c=this.scrollable===document?window:this.scrollable,a=()=>{window.history.replaceState(null,null,e.getAttribute("href")),"scrollTo"in c&&c.scrollTo({top:r,left:0,behavior:"smooth"})},h=this.fireEvent("beforeScroll",this.el);(0,o.JD)("beforeScroll.hs.scrollspy",this.el,this.el),h instanceof Promise?h.then((()=>a())):a()}destroy(){this.el.querySelector("[href].active").classList.remove("active"),this.scrollable.removeEventListener("scroll",this.onScrollableScrollListener),this.onLinkClickListener.length&&this.onLinkClickListener.forEach((({el:e,fn:t})=>{e.removeEventListener("click",t)})),window.$hsScrollspyCollection=window.$hsScrollspyCollection.filter((({element:e})=>e.el!==this.el))}static getInstance(e,t=!1){const l=window.$hsScrollspyCollection.find((t=>t.element.el===("string"==typeof e?document.querySelector(e):e)));return l?t?l:l.element.el:null}static autoInit(){window.$hsScrollspyCollection||(window.$hsScrollspyCollection=[]),window.$hsScrollspyCollection&&(window.$hsScrollspyCollection=window.$hsScrollspyCollection.filter((({element:e})=>document.contains(e.el)))),document.querySelectorAll("[data-hs-scrollspy]:not(.--prevent-on-load-init)").forEach((e=>{window.$hsScrollspyCollection.find((t=>{var l;return(null===(l=null==t?void 0:t.element)||void 0===l?void 0:l.el)===e}))||new n(e)}))}}window.addEventListener("load",(()=>{n.autoInit()})),"undefined"!=typeof window&&(window.HSScrollspy=n);const r=n;var c=s.A;export{c as default};