Migrating to uWS

2020-09-28 18:52:54 +02:00
parent 783d58d3cb
commit 6a4c0c8678
31 changed files with 2056 additions and 1123 deletions
@@ -0,0 +1,47 @@
+const loc = window.location;
+let path;
+if (loc.protocol === 'https:') {
+  path = 'wss:';
+} else {
+  path = 'ws:';
+}
+path += '//' + loc.host + '/__sifrrLiveReload';
+
+let ws,
+  ttr = 500,
+  timeout;
+
+function newWsConnection() {
+  ws = new WebSocket(path);
+  ws.onopen = function() {
+    ttr = 500;
+    checkMessage();
+    console.log('watching for file changes through sifrr-server livereload mode.');
+  };
+  ws.onmessage = function(event) {
+    if (JSON.parse(event.data)) {
+      console.log('Files changed, refreshing page.');
+      location.reload();
+    }
+  };
+  ws.onerror = e => {
+    console.error('Webosocket error: ', e);
+    console.log('Retrying after ', ttr / 4, 'ms');
+    ttr *= 4;
+  };
+  ws.onclose = e => {
+    console.error(`Webosocket closed with code \${e.code} error \${e.message}`);
+  };
+}
+
+function checkMessage() {
+  if (!ws) return;
+  if (ws.readyState === WebSocket.OPEN) ws.send('');
+  else if (ws.readyState === WebSocket.CLOSED) newWsConnection();
+
+  if (timeout) clearTimeout(timeout);
+  timeout = setTimeout(checkMessage, ttr);
+}
+
+newWsConnection();
+setTimeout(checkMessage, ttr);