Upgrade to AWS SDK for Javascript V3

Author: bilindhajer

changelog.md

@@ -1,5 +1,11 @@
 # Changelog
 
+## 9.0.0
+
+- Removes: aws-sdk as a runtime dependency
+- Adds: `@aws-sdk/client-cloudformation` as a runtime dependency
+- Updates: bin/validate-template to use `@aws-sdk/client-cloudformation`.
+
 ## 8.4.0
 
 - Support `ImageConfig` property for Lambda

lib/validate.js

@@ -1,7 +1,6 @@
 'use strict';
 
-require('aws-sdk/lib/maintenance_mode_message').suppress = true;
-const AWS = require('aws-sdk');
+const { CloudFormationClient, ValidateTemplateCommand } = require('@aws-sdk/client-cloudformation');
 const build = require('./build');
 
 /**
@@ -16,9 +15,9 @@ const build = require('./build');
  * reject if it is not.
  */
 module.exports = (templatePath, region) => {
-  const cfn = new AWS.CloudFormation({ region: region || 'us-east-1' });
+  const cfn = new CloudFormationClient({ region: region || 'us-east-1' });
 
   return build(templatePath, { region: region || 'us-east-1' }).then((template) => {
-    return cfn.validateTemplate({ TemplateBody: JSON.stringify(template) }).promise();
+    return cfn.send(new ValidateTemplateCommand({ TemplateBody: JSON.stringify(template) }));
   });
 };