mirror of
https://github.com/status-im/react-native.git
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9176fc00b5
Summary: We ignore some `metro` flowtypes, which made `flow check` fail on `metro-config`. I now also added the `metro` stubs needed by `metro-config` to make `flow check` pass. Closes https://github.com/facebook/react-native/issues/20431 Pull Request resolved: https://github.com/facebook/react-native/pull/20429 Reviewed By: hramos Differential Revision: D9036903 Pulled By: CompuIves fbshipit-source-id: 6e348e929b7c36520787bb860f5a18aa588455c3
97 lines
2.8 KiB
JavaScript
97 lines
2.8 KiB
JavaScript
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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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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* @format
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* @flow
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*/
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'use strict';
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const findSymlinkedModules = require('./findSymlinkedModules');
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const getPolyfills = require('../../rn-get-polyfills');
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const path = require('path');
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const {createBlacklist} = require('metro');
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const {loadConfig, mergeConfig} = require('metro-config');
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/**
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* Configuration file of the CLI.
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*/
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import type {ConfigT} from 'metro-config/src/configTypes.flow';
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function getProjectPath() {
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if (
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__dirname.match(/node_modules[\/\\]react-native[\/\\]local-cli[\/\\]util$/)
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) {
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// Packager is running from node_modules.
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// This is the default case for all projects created using 'react-native init'.
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return path.resolve(__dirname, '../../../..');
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} else if (__dirname.match(/Pods[\/\\]React[\/\\]packager$/)) {
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// React Native was installed using CocoaPods.
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return path.resolve(__dirname, '../../../..');
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}
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return path.resolve(__dirname, '../..');
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}
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const resolveSymlinksForRoots = roots =>
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roots.reduce(
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/* $FlowFixMe(>=0.70.0 site=react_native_fb) This comment suppresses an
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* error found when Flow v0.70 was deployed. To see the error delete this
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* comment and run Flow. */
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(arr, rootPath) => arr.concat(findSymlinkedModules(rootPath, roots)),
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[...roots],
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);
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const getProjectRoots = () => {
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const root = process.env.REACT_NATIVE_APP_ROOT;
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if (root) {
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return resolveSymlinksForRoots([path.resolve(root)]);
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}
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return resolveSymlinksForRoots([getProjectPath()]);
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};
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const getBlacklistRE = () => {
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return createBlacklist([/.*\/__fixtures__\/.*/]);
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};
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/**
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* Module capable of getting the configuration out of a given file.
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*
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* The function will return all the default configuration, as specified by the
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* `DEFAULT` param overriden by those found on `rn-cli.config.js` files, if any. If no
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* default config is provided and no configuration can be found in the directory
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* hierarchy, an error will be thrown.
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*/
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const Config = {
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DEFAULT: {
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resolver: {
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resolverMainFields: ['react-native', 'browser', 'main'],
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blacklistRE: getBlacklistRE(),
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},
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serializer: {
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getModulesRunBeforeMainModule: () => [
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require.resolve('../../Libraries/Core/InitializeCore'),
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],
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getPolyfills,
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},
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watchFolders: [getProjectPath(), ...getProjectRoots()],
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transformModulePath: require.resolve('metro/src/reactNativeTransformer'),
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},
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getProjectPath,
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getProjectRoots,
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async load(configFile: ?string): Promise<ConfigT> {
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const config: ConfigT = await loadConfig(
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configFile ? {config: configFile} : {},
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);
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return mergeConfig(config, this.DEFAULT);
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},
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};
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module.exports = Config;
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