Add comment about unsupported config.params (#856)

.changeset/six-rice-mate.md

@@ -0,0 +1,5 @@
+---
+"aws-sdk-js-codemod": patch
+---
+
+Add comment about unsupported config.params

src/transforms/v2-to-v3/__fixtures__/config/params.input.js

@@ -0,0 +1,5 @@
+import AWS from "aws-sdk";
+
+const config = new AWS.Config({
+  params: { TableName: "TableName" }
+});

src/transforms/v2-to-v3/__fixtures__/config/params.output.js

@@ -0,0 +1,5 @@
+const config = {
+  // The key params is no longer supported in v3, and can be removed.
+  // @deprecated The object needs to be passed to individual operations where it's intended.
+  params: { TableName: "TableName" }
+};

src/transforms/v2-to-v3/config/AWS_CONFIG_KEY_MAP.ts

@@ -42,6 +42,10 @@ export const AWS_CONFIG_KEY_MAP: Record<string, AwsConfigKeyStatus> = {
     newKeyName: "maxAttempts",
     description: "The value of maxAttempts needs to be maxRetries + 1.",
   },
+  params: {
+    deprecationMessage:
+      "The object needs to be passed to individual operations where it's intended.",
+  },
   paramValidation: {
     deprecationMessage: "The SDK no longer validates input parameters.",
   },