refactor: create @docusaurus/bundler and @docusaurus/babel packages

packages/create-docusaurus/templates/classic-typescript/package.json

@@ -15,6 +15,7 @@
     "typecheck": "tsc"
   },
   "dependencies": {
+    "@docusaurus/babel": "3.5.2",
     "@docusaurus/core": "3.5.2",
     "@docusaurus/preset-classic": "3.5.2",
     "@mdx-js/react": "^3.0.0",

packages/create-docusaurus/templates/classic/package.json

@@ -14,6 +14,7 @@
     "write-heading-ids": "docusaurus write-heading-ids"
   },
   "dependencies": {
+    "@docusaurus/babel": "3.5.2",
     "@docusaurus/core": "3.5.2",
     "@docusaurus/preset-classic": "3.5.2",
     "@mdx-js/react": "^3.0.0",

packages/create-docusaurus/templates/shared/babel.config.js

@@ -1,3 +1,3 @@
 module.exports = {
-  presets: [require.resolve('@docusaurus/core/lib/babel/preset')],
+  presets: ['@docusaurus/babel/preset'],
 };

packages/docusaurus-babel/.npmignore

@@ -0,0 +1,3 @@
+.tsbuildinfo*
+tsconfig*
+__tests__

packages/docusaurus-babel/README.md

@@ -0,0 +1,3 @@
+# `@docusaurus/babel`
+
+Docusaurus package for Babel-related utils.

packages/docusaurus-babel/package.json

@@ -0,0 +1,50 @@
+{
+  "name": "@docusaurus/babel",
+  "version": "3.5.2",
+  "description": "Docusaurus package for Babel-related utils.",
+  "main": "./lib/index.js",
+  "types": "./lib/index.d.ts",
+  "exports": {
+    "./preset": {
+      "types": "./lib/preset.d.ts",
+      "default": "./lib/preset.js"
+    },
+    ".": {
+      "types": "./lib/index.d.ts",
+      "default": "./lib/index.js"
+    }
+  },
+  "scripts": {
+    "build": "tsc",
+    "watch": "tsc --watch"
+  },
+  "publishConfig": {
+    "access": "public"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/facebook/docusaurus.git",
+    "directory": "packages/docusaurus-babel"
+  },
+  "license": "MIT",
+  "dependencies": {
+    "@babel/core": "^7.23.3",
+    "@babel/generator": "^7.23.3",
+    "@babel/traverse": "^7.22.8",
+    "@babel/plugin-syntax-dynamic-import": "^7.8.3",
+    "@babel/plugin-transform-runtime": "^7.22.9",
+    "@babel/preset-env": "^7.22.9",
+    "@babel/preset-react": "^7.22.5",
+    "@babel/preset-typescript": "^7.22.5",
+    "@babel/runtime": "^7.22.6",
+    "@babel/runtime-corejs3": "^7.22.6",
+    "@docusaurus/logger": "3.5.2",
+    "@docusaurus/utils": "3.5.2",
+    "babel-plugin-dynamic-import-node": "^2.3.3",
+    "fs-extra": "^11.1.1",
+    "tslib": "^2.6.0"
+  },
+  "engines": {
+    "node": ">=18.0"
+  }
+}