Explicitly pass all extensions by default when calling jscodeshift (#767)

Author: trivikr

.changeset/nice-windows-swim.md

@@ -0,0 +1,5 @@
+---
+"aws-sdk-js-codemod": patch
+---
+
+Explicitly pass all extensions by default when calling jscodeshift

src/cli.ts

@@ -24,6 +24,7 @@
 // eslint-disable-next-line @typescript-eslint/ban-ts-comment
 // @ts-nocheck
 import path from "path";
+import { DEFAULT_EXTENSIONS } from "@babel/core";
 import Runner from "jscodeshift/dist/Runner";
 
 import {
@@ -40,6 +41,16 @@ if (args[2] === "--help" || args[2] === "-h") {
   process.stdout.write(getHelpParagraph(transforms));
 }
 
+// Refs: https://github.com/facebook/jscodeshift/issues/582
+if (!args.some((arg) => arg.startsWith("--extensions"))) {
+  // Explicitly add all extensions as default to avoid bug in jscodeshift.
+  // Refs: https://github.com/facebook/jscodeshift/blob/51da1a5c4ba3707adb84416663634d4fc3141cbb/src/Worker.js#L80
+  const babelExtensions = DEFAULT_EXTENSIONS.map((ext) =>
+    ext.startsWith(".") ? ext.substring(1) : ext
+  );
+  args.push(`--extensions=${[...babelExtensions, "ts", "tsx"].join(",")}`);
+}
+
 const disclaimerLines = [
   `╔════════════════════════════════════════════════════════╗`,
   `║ Please review the code change thoroughly for required  ║`,