reddit megalinks: attempt to base64 decode all words 16+ chars in length

bookmarklet.js

javascript:(function()%7B%5B...document.querySelectorAll('.usertext-body%20*')%5D.forEach(p%20%3D%3E%5B...p.childNodes%5D.filter(n%20%3D%3E%20n.nodeType%20%3D%3D%3D%203).forEach(n%20%3D%3E%20%7Bconst%20re%20%3D%20%2F%5CS%7B16%2C%7D%2Fg%3Bif%20(re.test(n.nodeValue))%20%7Btry%20%7Blet%20isHtml%2C%20child%3Bconst%20s%20%3D%20n.nodeValue.replace(re%2C%20s%20%3D%3E%20%7Bs%20%3D%20atob(s)%3Bif%20(%2F%5Ehttps%3F%3A%5C%2F%5C%2F%2F.test(s))%20%7Bs%20%3D%20%60%3Ca%20href%3D%22%24%7Bs%7D%22%20target%3D_blank%3E%24%7Bs%7D%3C%2Fa%3E%60%3BisHtml%20%3D%20true%3B%7Dreturn%20s%3B%7D)%3Bif%20(isHtml)%20%7Bconst%20tmp%20%3D%20document.createElement('div')%3Btmp.innerHTML%20%3D%20s%3Bchild%20%3D%20document.createDocumentFragment()%3B%5B...tmp.childNodes%5D.forEach(c%20%3D%3E%20child.append(c))%3B%7D%20else%20%7Bchild%20%3D%20document.createTextNode(s)%3B%7Dp.replaceChild(child%2C%20n)%3B%7D%20catch%20(e)%20%7B%7D%7D%7D))%7D)()

decode.js

[...document.querySelectorAll('.usertext-body *')]
  .forEach(p =>
    [...p.childNodes]
      .filter(n => n.nodeType === 3)
      .forEach(n => {
        const re = /\S{16,}/g;
        if (re.test(n.nodeValue)) {
          try {
            let isHtml, child;
            const s = n.nodeValue.replace(re, s => {
              s = atob(s);
              if (/^https?:\/\//.test(s)) {
                s = `<a href="${s}" target=_blank>${s}</a>`;
                isHtml = true;
              }
              return s;
            });
            if (isHtml) {
              const tmp = document.createElement('div');
              tmp.innerHTML = s;
              child = document.createDocumentFragment();
              [...tmp.childNodes].forEach(c => child.append(c));
            } else {
              child = document.createTextNode(s);
            }
            p.replaceChild(child, n);
          } catch (e) {}
        }
      })
  )