feat

babel-worker.cjs

@@ -31,7 +31,7 @@ exports.transform = async function transform(src, dest, opts = {}) {
     return;
   }
   log(`Compiling '${chalk.cyan(src)}'...`);
-  const content = readFileSync(src, { encoding: "utf8" });
+  const content = readFileSync(src, "utf8");
   const { code, map } = await transformAsync(content, {
     filename: src,
     sourceFileName: path.relative(path.dirname(dest), src),

packages/babel-core/src/index.ts

@@ -16,10 +16,12 @@ export { getEnv } from "./config/helpers/environment.ts";
 // NOTE: Lazy re-exports aren't detected by the Node.js CJS-ESM interop.
 // These are handled by pluginInjectNodeReexportsHints in our babel.config.js
 // so that they can work well.
+export * as parser from "@babel/parser";
 export * as types from "@babel/types";
 export { tokTypes } from "@babel/parser";
 export { default as traverse } from "@babel/traverse";
 export { default as template } from "@babel/template";
+export { default as generate } from "@babel/generator";
 
 export {
   createConfigItem,

packages/babel-core/test/api.js

@@ -170,6 +170,22 @@ describe("api", function () {
     expect(babel.types).toBeDefined();
   });
 
+  it("exposes parser", function () {
+    expect(Object.keys(babel.parser)).toMatchInlineSnapshot(`
+      Array [
+        "parse",
+        "parseExpression",
+        "tokTypes",
+      ]
+    `);
+  });
+
+  it("exposes generate", function () {
+    expect(babel.generate(parseSync("foo")).code).toMatchInlineSnapshot(
+      `"foo;"`,
+    );
+  });
+
   it("exposes the parser's token types", function () {
     expect(babel.tokTypes).toBeDefined();
   });

packages/babel-standalone/src/index.ts

@@ -30,6 +30,8 @@ import type { InputOptions } from "@babel/core";
 
 import { runScripts } from "./transformScriptTags.ts";
 
+export { parser, traverse, template, generate, types } from "@babel/core";
+
 // We import this file from another package using a relative path because it's
 // meant to just be build-time script; it's ok because @babel/standalone is
 // bundled anyway.

packages/babel-standalone/test/babel.js

@@ -3,9 +3,12 @@ const require = createRequire(import.meta.url);
 
 // Basic smoke tests for @babel/standalone
 describe("@babel/standalone", () => {
-  let Babel;
-  beforeAll(() => {
-    Babel = require("../babel.js");
+  const Babel = require("../babel.js");
+
+  it("export generate and parser", () => {
+    expect(
+      Babel.generate(Babel.parser.parse("foo")).code,
+    ).toMatchInlineSnapshot(`"foo;"`);
   });
 
   it("handles the es2015-no-commonjs preset", () => {

packages/babel-standalone/test/built-into-es5.js

@@ -7,7 +7,7 @@ describe("@babel/standalone", () => {
   it("should be built into ES5", () => {
     const babelStandaloneSource = fs.readFileSync(
       require.resolve("../babel.js"),
-      { encoding: "utf8" },
+      "utf8",
     );
 
     expect(() => {