refactor: format error messages for lambda version validation in Cognito User Pool

Author: admir-slateteams

lib/plugins/aws/package/compile/events/cognito-user-pool.js

@@ -20,7 +20,7 @@ const validTriggerSources = [
   'UserMigration',
 ].concat(customSenderSources);
 
-const customSenderValidVersions = ['V1_0']; 
+const customSenderValidVersions = ['V1_0'];
 const preTokenGenerationValidVersions = ['V1_0', 'V2_0', 'V3_0'];
 
 class AwsCompileCognitoUserPoolEvents {
@@ -319,14 +319,18 @@ class AwsCompileCognitoUserPoolEvents {
     if (customSenderSources.includes(trigger)) {
       if (lambdaVersion && !customSenderValidVersions.includes(lambdaVersion)) {
         throw new ServerlessError(
-          `Invalid lambdaVersion "${lambdaVersion}" for trigger "${trigger}". Custom sender triggers only support: ${customSenderValidVersions.join(', ')}`,
+          `Invalid lambdaVersion "${lambdaVersion}" for trigger "${trigger}". Custom sender triggers only support: ${customSenderValidVersions.join(
+            ', '
+          )}`,
           'COGNITO_INVALID_LAMBDA_VERSION'
         );
       }
     } else if (trigger === 'PreTokenGeneration') {
       if (lambdaVersion && !preTokenGenerationValidVersions.includes(lambdaVersion)) {
         throw new ServerlessError(
-          `Invalid lambdaVersion "${lambdaVersion}" for trigger "${trigger}". PreTokenGeneration supports: ${preTokenGenerationValidVersions.join(', ')}`,
+          `Invalid lambdaVersion "${lambdaVersion}" for trigger "${trigger}". PreTokenGeneration supports: ${preTokenGenerationValidVersions.join(
+            ', '
+          )}`,
           'COGNITO_INVALID_LAMBDA_VERSION'
         );
       }
@@ -351,7 +355,10 @@ class AwsCompileCognitoUserPoolEvents {
           if (event.cognitoUserPool) {
             if (event.cognitoUserPool.existing) return;
 
-            this.validateLambdaVersion(event.cognitoUserPool.trigger, event.cognitoUserPool.lambdaVersion);
+            this.validateLambdaVersion(
+              event.cognitoUserPool.trigger,
+              event.cognitoUserPool.lambdaVersion
+            );
 
             // Save trigger functions so we can use them to generate
             // IAM permissions later