Alternative approach to fixing serverless-webpack hot reload integration

src/ServerlessOffline.js

@@ -47,6 +47,7 @@ export default class ServerlessOffline {
       'offline:start:ready': this.ready.bind(this),
       'offline:start': this._startWithExplicitEnd.bind(this),
       'offline:start:end': this.end.bind(this),
+      'after:webpack:compile:watch:compile': this.cleanup.bind(this),
     }
   }
 
@@ -136,6 +137,17 @@ export default class ServerlessOffline {
     }
   }
 
+  // Force cleanup lambda functions
+  async cleanup() {
+    const eventModules = []
+
+    if (this.#lambda) {
+      serverlessLog('Forcing cleanup of Lambda functions')
+      eventModules.push(this.#lambda.cleanup())
+    }
+    await Promise.all(eventModules)
+  }
+
   /**
    * Entry point for the plugin (sls offline) when running 'sls offline'
    * The call to this.end() would terminate the process before 'offline:start:end' could be consumed

src/config/defaultOptions.js

@@ -28,5 +28,5 @@ export default {
   layersDir: null,
   dockerReadOnly: true,
   functionCleanupIdleTimeSeconds: 60,
-  allowCache: false,
+  allowCache: true,
 }