Try to implement hot module replacement.

src/index.js

@@ -23,10 +23,9 @@ module.exports = function (content) {
   if (query.hot) {
     node.add([
       'if(module.hot) {\n',
-      '		module.hot.accept();\n',
-      '   var content = require(' + loaderUtils.stringifyRequest(this, '!!' + request) + ');\n',
-      '   var update = require(' + loaderUtils.stringifyRequest(this, '!' + path.join(__dirname, 'hot/update.js')) + ');\n',
-      '   update(content);\n',
+      'module.hot.accept();\n',
+      'require(' + loaderUtils.stringifyRequest(this, '!' + path.join(__dirname, 'update.js')) + ')',
+      '(require(' + loaderUtils.stringifyRequest(this, '!!' + request) + '));\n',
       '}\n'
     ]);
   }

src/update.js

@@ -0,0 +1,66 @@
+var Monkberry = require('monkberry');
+
+var isPatched = false;
+var render, stores = [];
+
+function Store(view) {
+  this.view = view;
+  this.data = {};
+}
+
+Store.prototype.handler = function () {
+  return {
+    get: (target, name) => {
+      if (name == 'update') {
+        return (data) => {
+          this.data = data;
+          return this.view.update(data);
+        }
+      }
+      return this.view[name];
+    },
+    set: (target, name, value) => {
+      return this.view[name] = value;
+    }
+  };
+};
+
+module.exports = function (newTemplate) {
+  if (!isPatched) {
+    // Patch monkberry render
+    render = Monkberry.render;
+    Monkberry.render = function (template, node, options) {
+      var view = render.call(null, template, node, options);
+      var store = new Store(view);
+      var proxy = new Proxy({}, store.handler());
+      stores.push(store); // Save to lists.
+      return proxy;
+    };
+    isPatched = true;
+  }
+
+  // Do hot replace of view.
+  for (var i = stores.length - 1; i >= 0; i--) {
+    var store = stores[i];
+
+    var view = new store.view.constructor();
+    var root = store.view.nodes[0];
+
+    // Insert new view.
+    view.insertBefore(root);
+
+    // Remove old view.
+    store.view.remove();
+
+    // Set new view.
+    store.view = view;
+
+    // Default render flow.
+    if (view.onRender) {
+      view.onRender();
+    }
+
+    // Set old view.
+    view.update(store.data);
+  }
+};