mirror of
https://github.com/react/react-native.git
synced 2026-09-28 13:23:09 +08:00
Pieter De Baets
7ff4c218cf
Summary: Pull Request resolved: https://github.com/facebook/react-native/pull/55342 This was the old fantom location and no longer used. Changelog: [Internal] Reviewed By: zeyap Differential Revision: D91680127 fbshipit-source-id: d0015ed1668065487c156eabe535e35e75c52d3f
62 lines
1.5 KiB
JavaScript
62 lines
1.5 KiB
JavaScript
/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @flow strict-local
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* @format
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*/
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const {PACKAGES_DIR, PRIVATE_DIR, SCRIPTS_DIR} = require('./consts');
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let isRegisteredForMonorepo = false;
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/**
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* Calling this function enables all Node.js packages to run from source when
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* developing in the React Native repo.
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*
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* A call should located in each entry point file in a package (i.e. for all
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* paths in "exports"), inside a special `if` condition that will be compiled
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* away on build.
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*
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* ```js
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* // Place in a package entry point
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* if (!process.env.BUILD_EXCLUDE_BABEL_REGISTER) {
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* require('../../../scripts/shared/babelRegister').registerForMonorepo();
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* }
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* ```
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*/
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function registerForMonorepo() {
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if (isRegisteredForMonorepo) {
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return;
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}
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if (process.env.FBSOURCE_ENV === '1') {
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// $FlowExpectedError[cannot-resolve-module] - Won't resolve in OSS
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require('@fb-tools/babel-register');
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} else {
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const {register} = require('metro-babel-register');
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register([PACKAGES_DIR, PRIVATE_DIR, SCRIPTS_DIR]);
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}
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isRegisteredForMonorepo = true;
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}
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/**
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* Calling this function enables entry points under scripts/ to run from source.
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*
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* ```js
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* // Place in a script entry point
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* require('../shared/babelRegister').registerForScript();
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* ```
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*/
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function registerForScript() {
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registerForMonorepo();
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}
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module.exports = {
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registerForMonorepo,
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registerForScript,
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};
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