feat: introduce simpler adapters for liveview

packages/liveview/src/main.js

@@ -0,0 +1,36 @@
+function main() {
+  let root = window.document.getElementById("main");
+
+  if (root != null) {
+    // create a new ipc
+    window.ipc = new IPC(root);
+    window.ipc.postMessage(serializeIpcMessage("initialize"));
+  }
+}
+
+class IPC {
+  constructor(root) {
+    // connect to the websocket
+    window.interpreter = new Interpreter(root);
+
+    this.ws = new WebSocket(WS_ADDR);
+
+    this.ws.onopen = () => {
+      console.log("Connected to the websocket");
+    };
+
+    this.ws.onerror = (err) => {
+      console.error("Error: ", err);
+    };
+
+    this.ws.onmessage = (event) => {
+      console.log("Received message: ", event.data);
+      let edits = JSON.parse(event.data);
+      window.interpreter.handleEdits(edits);
+    };
+  }
+
+  postMessage(msg) {
+    this.ws.send(msg);
+  }
+}