@xiee/utils/js/number-sections.min.js

Miscellaneous tools and utilities to manipulate HTML pages

(e=>{let r;[".article",".body","article","body"].forEach((n=>{r||(r=e.querySelector(n))}));const n=r.querySelectorAll("h1, h2, h3, h4, h5, h6");if(0===n.length)return;if(r.querySelectorAll("span.header-section-number").forEach((e=>{e.classList.add("section-number")})),r.querySelector("span.section-number"))return void r.querySelectorAll("span.section-number").forEach((e=>{e.innerText=e.innerText.replace(/^(0\.)+/,"")}));let t,c=0,a=[0,0,0,0,0,0];n.forEach((e=>{if(t=parseInt(e.tagName.replace(/^h/i,"")),t<c)for(let e=t;e<a.length;e++)a[e]=0;e.insertAdjacentHTML("afterbegin",(a[t-1]++,`<span class="section-number">${a.join(".").replace(/^(0\.)+|(\.0)+$/g,"").replace(/^([0-9]+)$/,"$1.")}</span> `)),c=t}))})(document);
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