Files
react-native/scripts/shared/babelRegister.js
T
Rob Hogan cf45aa9dbc Bump Metro to 0.83.0 (#52576)
Summary:
Bump Metro to 0.83.0.

This release contains some breaking changes for integrators, and a minimum Node.js version of 22.14.

Full release notes: https://github.com/facebook/metro/releases/tag/v0.83.0

Changelog: [General][Changed] Bump Metro to ^0.83.0

Test Plan:
Imported from GitHub, without a `Test Plan:` line.

Rollback Plan:

Differential Revision: D78171925

Pulled By: robhogan

fbshipit-source-id: 7ea5e04d285632a14dd71ba00da872d60f283840
2025-07-13 15:39:46 -07:00

72 lines
1.6 KiB
JavaScript

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @flow strict-local
* @format
*/
const {
PACKAGES_DIR,
PRIVATE_DIR,
RN_INTEGRATION_TESTS_RUNNER_DIR,
SCRIPTS_DIR,
} = require('./consts');
let isRegisteredForMonorepo = false;
/**
* Calling this function enables all Node.js packages to run from source when
* developing in the React Native repo.
*
* A call should located in each entry point file in a package (i.e. for all
* paths in "exports"), inside a special `if` condition that will be compiled
* away on build.
*
* ```js
* // Place in a package entry point
* if (!process.env.BUILD_EXCLUDE_BABEL_REGISTER) {
* require('../../../scripts/shared/babelRegister').registerForMonorepo();
* }
* ```
*/
function registerForMonorepo() {
if (isRegisteredForMonorepo) {
return;
}
if (process.env.FBSOURCE_ENV === '1') {
// $FlowExpectedError[cannot-resolve-module] - Won't resolve in OSS
require('@fb-tools/babel-register');
} else {
const {register} = require('metro-babel-register');
register([
PACKAGES_DIR,
PRIVATE_DIR,
SCRIPTS_DIR,
RN_INTEGRATION_TESTS_RUNNER_DIR,
]);
}
isRegisteredForMonorepo = true;
}
/**
* Calling this function enables entry points under scripts/ to run from source.
*
* ```js
* // Place in a script entry point
* require('../shared/babelRegister').registerForScript();
* ```
*/
function registerForScript() {
registerForMonorepo();
}
module.exports = {
registerForMonorepo,
registerForScript,
};