Hailey
79 lines
2.5 KiB
JavaScript
79 lines
2.5 KiB
JavaScript
// Learn more https://docs.expo.io/guides/customizing-metro
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const fs = require('fs')
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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 atprotoPackages = path.resolve(process.env.ATPROTO_ROOT, 'packages')
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cfg.watchFolders ||= []
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cfg.watchFolders.push(
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...fs
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.readdirSync(atprotoPackages)
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.map(dir => path.join(atprotoPackages, dir))
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.filter(dir => fs.statSync(dir).isDirectory()),
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)
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const resolveRequest = cfg.resolver.resolveRequest
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cfg.resolver.resolveRequest = (context, moduleName, platform) => {
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// When resolving a module from the atproto packages, try finding it there
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// first. If it's not found, try resolving it from the project root (here).
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if (context.originModulePath.startsWith(atprotoPackages)) {
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try {
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return context.resolveRequest(context, moduleName, platform)
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} catch (err) {
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// If a module is not found in the atproto packages, try and resolve it
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// from here (e.g. @babel polyfills)
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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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}
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// When resolving an @atproto/* module, replace the path prefix with
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// <atprotoPackages>.
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if (moduleName.startsWith('@atproto/')) {
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const [prefix, suffix] = moduleName.split('/', 2)
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const resolution = context.resolveRequest(context, moduleName, platform)
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const relativePathIdx = resolution.filePath.lastIndexOf(moduleName)
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const relativePath = resolution.filePath.slice(
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relativePathIdx + moduleName.length + 1,
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)
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return {
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type: 'sourceFile',
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filePath: path.join(atprotoPackages, suffix, relativePath),
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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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