@pattern-lab/live-server/injected.html

simple development http server with live reload capability

<!-- Code injected by live-server -->
<script type="text/javascript">
  // <![CDATA[  <-- For SVG support
  if ('WebSocket' in window) {
    (function () {
      function refreshCSS() {
        var sheets = [].slice.call(document.getElementsByTagName('link'));
        var head = document.getElementsByTagName('head')[0];
        for (var i = 0; i < sheets.length; ++i) {
          var elem = sheets[i];
          var rel = elem.rel;
          if (
            (elem.href && typeof rel != 'string') ||
            rel.length == 0 ||
            rel.toLowerCase() == 'stylesheet'
          ) {
            var url = elem.href.replace(/(&|\?)_cacheOverride=\d+/, '');
            elem.href =
              url +
              (url.indexOf('?') >= 0 ? '&' : '?') +
              '_cacheOverride=' +
              new Date().valueOf();
          }
        }
      }
      var protocol = window.location.protocol === 'http:' ? 'ws://' : 'wss://';
      var address =
        protocol + window.location.host + window.location.pathname + '/ws';
      var socket = new WebSocket(address);
      socket.onmessage = function (msg) {
        if (msg.data == 'reload') window.location.reload();
        else if (msg.data == 'refreshcss') refreshCSS();
      };
      console.log('Live reload enabled.');
    })();
  }
  // ]]>
</script>