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metro.config.js
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metro.config.js
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/**
* Metro configuration for React Native
* https://reactnative.dev/docs/metro
*
* @format
*/
const { getDefaultConfig } = require('@react-native/metro-config');
const { mergeConfig } = require('metro-config');
const path = require('path');
const exclusionList = require('metro-config/src/defaults/exclusionList');
const escape = require('escape-string-regexp');
const pack = require('../package.json');
const root = path.resolve(__dirname, '..');
const modules = Object.keys(pack.peerDependencies);
// Gesture handler tries to require 'react-native-reanimated' inside a try...catch
// block. In root directory, we have reanimated installed but FabricExample doesn't.
// We need to blacklist reanimated to prevent its JS code from bein in the bundle
// without the native code or the babel plugin.
modules.push('react-native-reanimated');
const config = {
projectRoot: __dirname,
watchFolders: [root],
// We need to make sure that only one version is loaded for peerDependencies
// So we exclude them at the root, and alias them to the versions in example's node_modules
resolver: {
blacklistRE: exclusionList(
modules.map(
(m) =>
new RegExp(`^${escape(path.join(root, 'node_modules', m))}\\/.*$`)
)
),
extraNodeModules: modules.reduce((acc, name) => {
acc[name] = path.join(__dirname, 'node_modules', name);
return acc;
}, {}),
},
transformer: {
getTransformOptions: async () => ({
transform: {
experimentalImportSupport: false,
inlineRequires: true,
},
}),
},
};
module.exports = mergeConfig(getDefaultConfig(__dirname), config);