discourse-custom-header-links/common/header.html

<script type="text/discourse-plugin" version="0.8.20">
let customHeaderLinks = settings.Custom_header_links;

customHeaderLinks.split("|").map(i => {
  let seg = $.map(i.split(","), $.trim),
    linkText = seg[0],
    linkTitle = seg[1],
    linkHref = seg[2],
    deviceClass = " ." + seg[3],
    linkTarget = seg[4] === "self" ? "" : "_blank",
    keepOnScrollClass = seg[5] === "keep" ? " .keep" : "";

  api.decorateWidget("header-buttons:before", helper => {
    return helper.h(
      "li.headerLink." + deviceClass + keepOnScrollClass,
      helper.h(
        "a",
        {
          href: linkHref,
          title: linkTitle,
          target: linkTarget
        },
        linkText
      )
    );
  });
});

api.decorateWidget("home-logo:after", helper => {
  let titleVisible = helper.attrs.minimized;
  if (titleVisible) {
    $(".d-header").addClass("hide-menus");
  } else {
    $(".d-header").removeClass("hide-menus");
  }
});
</script>