themes/docsy/layouts/partials/edit-this-page.html

<div>
  {{ $File := .File }}
  {{ $Site := .Site }}
  {{ with $File.Path }}
  <div id="edit-github">
    <svg
      fill="currentColor"
      height="20"
      width="20"
      viewBox="0 0 40 40"
      aria-hidden="true"
      style="margin-right: 0.1em;vertical-align: sub; color: #3176d9">
      <g>
        <path d="m34.5 11.7l-3 3.1-6.3-6.3 3.1-3q0.5-0.5 1.2-0.5t1.1 0.5l3.9 3.9q0.5 0.4 0.5 1.1t-0.5 1.2z m-29.5 17.1l18.4-18.5 6.3 6.3-18.4 18.4h-6.3v-6.2z" />
      </g>
    </svg>
    <a class="github-link" title="Edit this page" href="" target="_blank">
      <span id="edit-github-text">Edit this page</span>
    </a>
  </div>
  {{ end }}
</div>
<script>
  let reg = /\/docs\/[a-zA-Z\-]+\/([\w|\.]+)\//;
  let res = reg.exec(location.href);
  let version = res && res[1];
  let editGithub = document.getElementById("edit-github");
  if (editGithub) {
    editGithub.style.display = version === "next" ? "block" : "none";
  }
  
  if (version === "next") {
    reg = /\/docs\/(.+?)\//;
    let repoRes = reg.exec(location.href);
    let repo = repoRes && repoRes[1];
    if (repo === "main") {
      repo = "skywalking"
    }
    reg = /\/next\/(.+)/;
    let docs = reg.exec(location.href);
    let docsUrl = docs && docs[1];
    if (docsUrl) {
      docsUrl = docsUrl.replace(/readme/i, 'README');
    }
    let prefixUrl = "https://github.com/apache/" + repo + "/blob/master/docs/";
    let editGithubLink = document.querySelector("#edit-github a");
    if (editGithubLink) {
      editGithubLink.href = prefixUrl + docsUrl.replace(/\/$/, ".md");
    }
  }
</script>