mirror of
https://github.com/facebook/react-native.git
synced 2025-11-01 09:14:26 +00:00
Micha Reiser
93377ff508
Summary: ES Modules implicitly enable strict mode. Adding the "use strict" directive is, therefore, not required. This diff removes all "use strict" directives from ES modules. Changelog: [Internal] Reviewed By: motiz88 Differential Revision: D26172715 fbshipit-source-id: 57957bcbb672c4c3e62b1db633cf425c1c9d6430
48 lines
1.6 KiB
JavaScript
48 lines
1.6 KiB
JavaScript
/**
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* Copyright (c) Facebook, Inc. and its 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
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* @format
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*/
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import Platform from '../Utilities/Platform';
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const ReactNativeVersion = require('./ReactNativeVersion');
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/**
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* Checks that the version of this React Native JS is compatible with the native
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* code, throwing an error if it isn't.
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*
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* The existence of this module is part of the public interface of React Native
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* even though it is used only internally within React Native. React Native
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* implementations for other platforms (ex: Windows) may override this module
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* and rely on its existence as a separate module.
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*/
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exports.checkVersions = function checkVersions(): void {
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const nativeVersion = Platform.constants.reactNativeVersion;
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if (
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ReactNativeVersion.version.major !== nativeVersion.major ||
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ReactNativeVersion.version.minor !== nativeVersion.minor
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) {
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console.error(
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`React Native version mismatch.\n\nJavaScript version: ${_formatVersion(
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ReactNativeVersion.version,
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)}\n` +
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`Native version: ${_formatVersion(nativeVersion)}\n\n` +
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'Make sure that you have rebuilt the native code. If the problem ' +
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'persists try clearing the Watchman and packager caches with ' +
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'`watchman watch-del-all && react-native start --reset-cache`.',
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);
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}
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};
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function _formatVersion(version): string {
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return (
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`${version.major}.${version.minor}.${version.patch}` +
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// eslint-disable-next-line eqeqeq
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(version.prerelease != undefined ? `-${version.prerelease}` : '')
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);
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}
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