import { getDefaultConfig } from 'expo/metro-config';
import { getConfiguration } from '@intlayer/config';
import { join } from 'path';
import { resolve } from 'metro-resolver';
import { exclusionList } from './exclusionList';
import { prepareIntlayer } from '@intlayer/chokidar';
type MetroConfig = ReturnType<typeof getDefaultConfig>;
/**
* // metro.config.js
* const { getDefaultConfig } = require("expo/metro-config");
* const { configMetroIntlayer } = require("react-native-intlayer/metro");
*
* module.exports = (async () => {
* const defaultConfig = getDefaultConfig(__dirname);
*
* return await configMetroIntlayer(defaultConfig);
* })();
* ```
*/
export const configMetroIntlayer = async (
baseConfig: MetroConfig
): Promise<MetroConfig> => {
const intlayerConfig = getConfiguration();
await prepareIntlayer(intlayerConfig);
const { mainDir, configDir } = intlayerConfig.content;
const dictionariesPath = join(mainDir, 'dictionaries.cjs');
const configurationPath = join(configDir, 'configuration.json');
const config = {
...baseConfig,
resolver: {
...baseConfig.resolver,
resolveRequest: (context, moduleName, platform) => {
if (moduleName === '@intlayer/dictionaries-entry') {
return {
filePath: require.resolve(dictionariesPath),
type: 'sourceFile',
};
} else if (moduleName === '@intlayer/config/built') {
return {
filePath: require.resolve(configurationPath),
type: 'sourceFile',
};
} else if (moduleName === '@intlayer/config/client') {
return {
filePath: require.resolve('@intlayer/config/client'),
type: 'sourceFile',
};
} else if (moduleName.startsWith('@intlayer/core/file')) {
// Force React Native to use the correct transpiled version
return {
filePath: require.resolve(
moduleName.replace('/file', '/file/browser')
),
type: 'sourceFile',
};
}
// Prevent infinite recursion
return resolve(context, moduleName, platform);
},
blockList: exclusionList([
...[baseConfig.resolver?.blockList ?? []].flat(),
// the following instruction should be replaced intlayerConfig.content.watchedFilesPattern
// but using watchedFilesPattern does not exclude the files properly for now
/.*\.content\.(?:ts|tsx|js|jsx|cjs|cjx|mjs|mjx|json)$/,
]),
},
} satisfies MetroConfig;
return config;
};
