Matthieu Sieben
66 lines
2.1 KiB
JavaScript
66 lines
2.1 KiB
JavaScript
// Learn more https://docs.expo.io/guides/customizing-metro
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const path = require('path')
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const {getDefaultConfig} = require('expo/metro-config')
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const cfg = getDefaultConfig(__dirname)
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if (process.env.ATPROTO_ROOT) {
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const atprotoRoot = path.resolve(process.cwd(), process.env.ATPROTO_ROOT)
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// Watch folders are used as roots for the virtual file system. Any file that
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// needs to be resolved by the metro bundler must be within one of the watch
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// folders. Since we will be resolving dependencies from the atproto packages,
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// we need to add the atproto root to the watch folders so that the
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cfg.watchFolders ||= []
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cfg.watchFolders.push(atprotoRoot)
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const resolveRequest = cfg.resolver.resolveRequest
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cfg.resolver.resolveRequest = (context, moduleName, platform) => {
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// Alias @atproto/* modules to the corresponding package in the atproto root
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if (moduleName.startsWith('@atproto/')) {
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const [, packageName] = moduleName.split('/', 2)
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const packagePath = path.join(atprotoRoot, 'packages', packageName)
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return context.resolveRequest(context, packagePath, platform)
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}
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// Polyfills are added by the build process and are not actual dependencies
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// of the @atproto/* packages. Resolve those from here.
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if (
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moduleName.startsWith('@babel/') &&
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context.originModulePath.startsWith(atprotoRoot)
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) {
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return {
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type: 'sourceFile',
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filePath: require.resolve(moduleName),
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}
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}
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return (resolveRequest || context.resolveRequest)(
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context,
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moduleName,
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platform,
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)
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}
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}
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cfg.resolver.sourceExts = process.env.RN_SRC_EXT
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? process.env.RN_SRC_EXT.split(',').concat(cfg.resolver.sourceExts)
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: cfg.resolver.sourceExts
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cfg.transformer.getTransformOptions = async () => ({
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transform: {
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experimentalImportSupport: true,
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inlineRequires: true,
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nonInlinedRequires: [
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// We can remove this option and rely on the default after
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// https://github.com/facebook/metro/pull/1126 is released.
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'React',
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'react',
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'react/jsx-dev-runtime',
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'react/jsx-runtime',
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'react-native',
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],
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},
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})
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module.exports = cfg
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