Enable all supported extensions by default in config (#770)

Author: trivikr

.changeset/neat-peaches-call.md

@@ -0,0 +1,5 @@
+---
+"aws-sdk-js-codemod": patch
+---
+
+Enable all supported extensions by default in config

src/cli.ts

@@ -24,7 +24,6 @@
 // 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 {
@@ -41,16 +40,6 @@ 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  ║`,

src/utils/getJsCodeshiftParser.ts

@@ -6,6 +6,7 @@
 
 import { readFileSync } from "fs";
 import { dirname, join } from "path";
+import { DEFAULT_EXTENSIONS } from "@babel/core";
 import argsParser from "jscodeshift/dist/argsParser";
 
 // eslint-disable-next-line @typescript-eslint/ban-ts-comment
@@ -76,7 +77,16 @@ export const getJsCodeshiftParser = () =>
     },
     extensions: {
       display_index: 3,
-      default: "js",
+      // Explicitly add all extensions as default to avoid bug in jscodeshift.
+      // Refs: https://github.com/facebook/jscodeshift/issues/582
+      // Source code: https://github.com/facebook/jscodeshift/blob/51da1a5c4ba3707adb84416663634d4fc3141cbb/src/Worker.js#L80
+      default: [
+        ...DEFAULT_EXTENSIONS.map((ext) => (ext.startsWith(".") ? ext.substring(1) : ext)),
+        "ts",
+        "tsx",
+      ]
+        .sort()
+        .join(","),
       help: "transform files with these file extensions (comma separated list)",
       metavar: "EXT",
     },