feat: use serverless error class

Author: robin-thomas

src/index.ts

@@ -25,7 +25,7 @@ class ServerlessAWSSecret {
     const { SecretString } = await client.send(command);
 
     if (!SecretString) {
-      throw new Error(`Failed to retrieve the secret: ${this.options.secretId}`);
+      throw new this.serverless.classes.Error(`Failed to retrieve the secret: ${this.options.secretId}`);
     }
 
     const secrets = JSON.parse(SecretString);

src/index.types.ts

@@ -13,6 +13,9 @@ export interface Serverless {
       };
     };
   };
+  classes: {
+    Error: ErrorConstructor;
+  };
 }
 
 export interface ServerlessSecretHooks {