Replace Webpack with Rsbuild

.gitignore

@@ -71,6 +71,9 @@ artifacts
 # Expo
 .expo/
 dist/
+
+# Rsbuild
+.rsbuild/
 *.jks
 *.p8
 *.p12
@@ -121,7 +124,9 @@ src/locale/locales/**/*.js
 bskyogcard/src/assets/fonts/noto-*
 
 # bskyweb build output
+bskyweb/static/js/
 bskyweb/static/media/*.webp
 bskyweb/static/media/*.jpg
 bskyweb/static/media/*.png
 bskyweb/static/media/*.svg
+bskyweb/static/media/*.woff2

package.json

@@ -26,10 +26,10 @@
     "android:prod": "expo run:android --variant release",
     "android:profile": "BSKY_PROFILE=1 expo run:android --variant release",
     "ios": "expo run:ios",
-    "web": "expo start --web",
+    "web": "rsbuild dev",
     "use-build-number": "./scripts/useBuildNumberEnv.sh",
     "use-build-number-with-bump": "./scripts/useBuildNumberEnvWithBump.sh",
-    "build-web": "expo export:web && node ./scripts/post-web-build.js",
+    "build-web": "rsbuild build && node ./scripts/post-web-build.js",
     "build-all": "yarn intl:build && yarn use-build-number-with-bump eas build --platform all",
     "build-ios": "yarn use-build-number-with-bump eas build -p ios",
     "build-android": "yarn use-build-number-with-bump eas build -p android",
@@ -68,8 +68,8 @@
     "export": "npx expo export --dump-sourcemap && yarn upload-native-sourcemaps",
     "upload-native-sourcemaps": "npx sentry-expo-upload-sourcemaps dist",
     "make-deploy-bundle": "bash scripts/bundleUpdate.sh",
-    "generate-webpack-stats-file": "EXPO_PUBLIC_GENERATE_STATS=1 yarn build-web",
+    "analyze": "BUNDLE_ANALYZE=true yarn build-web",
-    "open-analyzer": "EXPO_PUBLIC_OPEN_ANALYZER=1 yarn build-web",
+    "analyze:open": "BUNDLE_ANALYZE=server yarn build-web",
     "icons:optimize": "svgo -f ./assets/icons"
   },
   "dependencies": {
@@ -82,7 +82,6 @@
     "@discord/bottom-sheet": "bluesky-social/react-native-bottom-sheet",
     "@emoji-mart/react": "^1.1.1",
     "@expo/html-elements": "^0.12.5",
-    "@expo/webpack-config": "^19.0.1",
     "@floating-ui/dom": "^1.6.3",
     "@floating-ui/react-dom": "^2.0.8",
     "@formatjs/intl-displaynames": "^6.8.13",
@@ -233,10 +232,12 @@
     "@expo/config-plugins": "~54.0.1",
     "@lingui/cli": "^4.14.1",
     "@lingui/macro": "^4.14.1",
-    "@pmmmwh/react-refresh-webpack-plugin": "^0.5.15",
     "@react-native/babel-preset": "0.81.5",
     "@react-native/eslint-config": "^0.81.5",
     "@react-native/typescript-config": "^0.81.5",
+    "@rsbuild/core": "^1.7.2",
+    "@rsbuild/plugin-babel": "^1.0.6",
+    "@rsbuild/plugin-react": "^1.4.2",
     "@sentry/webpack-plugin": "^3.2.2",
     "@testing-library/jest-native": "^5.4.3",
     "@testing-library/react-native": "^13.2.0",
@@ -278,7 +279,7 @@
     "ts-node": "^10.9.1",
     "ts-plugin-sort-import-suggestions": "^1.0.4",
     "typescript": "^5.9.2",
-    "webpack-bundle-analyzer": "^4.10.1"
+    "webpack": "^5.104.1"
   },
   "resolutions": {
     "@react-native/babel-preset": "0.81.5",

patches/react-native-uitextview+1.4.0.patch

@@ -1,11 +1,11 @@
 diff --git a/node_modules/react-native-uitextview/ios/RNUITextViewShadow.swift b/node_modules/react-native-uitextview/ios/RNUITextViewShadow.swift
-index c34ba71..13d576a 100644
+index c34ba71..b1c4d35 100644
 --- a/node_modules/react-native-uitextview/ios/RNUITextViewShadow.swift
 +++ b/node_modules/react-native-uitextview/ios/RNUITextViewShadow.swift
 @@ -159,13 +159,23 @@ class RNUITextViewShadow: RCTShadowView {
      let maxSize = CGSize(width: CGFloat(maxWidth), height: CGFloat(MAXFLOAT))
      let textSize = self.attributedText.boundingRect(with: maxSize, options: .usesLineFragmentOrigin, context: nil)
-     
+ 
 -    var totalLines = self.lineHeight == 0.0 ? 0 : Int(ceil(textSize.height / self.lineHeight))
 -
 -    if self.numberOfLines != 0, totalLines > self.numberOfLines {
@@ -31,3 +31,19 @@ index c34ba71..13d576a 100644
      return YGSize(width: Float(self.frameSize.width), height: Float(self.frameSize.height))
    }
  
+diff --git a/node_modules/react-native-uitextview/src/Text.web.tsx b/node_modules/react-native-uitextview/src/Text.web.tsx
+new file mode 100644
+index 0000000..0455396
+--- /dev/null
++++ b/node_modules/react-native-uitextview/src/Text.web.tsx
+@@ -0,0 +1,10 @@
++import {Text, TextProps} from 'react-native'
++
++// Web fallback - just use the standard Text component
++export function UITextView(props: TextProps & {uiTextView?: boolean}) {
++  return <Text {...props} />
++}
++
++// These are not used on web, but export them for compatibility
++export const RNUITextView = Text
++export const RNUITextViewChild = Text

scripts/post-web-build.js

@@ -9,10 +9,38 @@ const templateFile = path.join(
   'scripts.html',
 )
 
-const {entrypoints} = require(
+// Support both webpack (asset-manifest.json) and rsbuild (manifest.json) formats
-  path.join(projectRoot, 'web-build/asset-manifest.json'),
+function getEntrypoints() {
-)
+  const webpackManifestPath = path.join(
+    projectRoot,
+    'web-build/asset-manifest.json',
+  )
+  const rsbuildManifestPath = path.join(projectRoot, 'web-build/manifest.json')
 
+  // Try webpack format first
+  if (fs.existsSync(webpackManifestPath)) {
+    const manifest = require(webpackManifestPath)
+    if (manifest.entrypoints) {
+      console.log('Using webpack manifest format')
+      return manifest.entrypoints
+    }
+  }
+
+  // Try rsbuild format
+  if (fs.existsSync(rsbuildManifestPath)) {
+    const manifest = require(rsbuildManifestPath)
+    if (manifest.entries?.index?.initial) {
+      console.log('Using rsbuild manifest format')
+      const initial = manifest.entries.index.initial
+      // Combine JS and CSS entrypoints, CSS first for proper loading order
+      return [...(initial.css || []), ...(initial.js || [])]
+    }
+  }
+
+  throw new Error('No valid manifest found in web-build/')
+}
+
+const entrypoints = getEntrypoints()
 console.log(`Found ${entrypoints.length} entrypoints`)
 console.log(`Writing ${templateFile}`)
 
@@ -33,16 +61,31 @@ const outputFile = entrypoints
   .join('\n')
 fs.writeFileSync(templateFile, outputFile)
 
-function copyFiles(sourceDir, targetDir) {
+function copyFilesRecursive(sourceDir, targetDir) {
-  const files = fs.readdirSync(path.join(projectRoot, sourceDir))
+  const sourcePath = path.join(projectRoot, sourceDir)
-  files.forEach(file => {
+  const targetPath = path.join(projectRoot, targetDir)
-    const sourcePath = path.join(projectRoot, sourceDir, file)
+
-    const targetPath = path.join(projectRoot, targetDir, file)
+  // Ensure target directory exists
-    fs.copyFileSync(sourcePath, targetPath)
+  fs.mkdirSync(targetPath, {recursive: true})
-    console.log(`Copied ${sourcePath} to ${targetPath}`)
+
-  })
+  const entries = fs.readdirSync(sourcePath, {withFileTypes: true})
+  for (const entry of entries) {
+    const srcPath = path.join(sourcePath, entry.name)
+    const destPath = path.join(targetPath, entry.name)
+
+    if (entry.isDirectory()) {
+      // Recursively copy subdirectory
+      copyFilesRecursive(
+        path.join(sourceDir, entry.name),
+        path.join(targetDir, entry.name),
+      )
+    } else {
+      fs.copyFileSync(srcPath, destPath)
+      console.log(`Copied ${srcPath} to ${destPath}`)
+    }
+  }
 }
 
-copyFiles('web-build/static/js', 'bskyweb/static/js')
+copyFilesRecursive('web-build/static/js', 'bskyweb/static/js')
-copyFiles('web-build/static/css', 'bskyweb/static/css')
+copyFilesRecursive('web-build/static/css', 'bskyweb/static/css')
-copyFiles('web-build/static/media', 'bskyweb/static/media')
+copyFilesRecursive('web-build/static/media', 'bskyweb/static/media')

webpack.config.js

@@ -1,69 +0,0 @@
-const createExpoWebpackConfigAsync = require('@expo/webpack-config')
-const {withAlias} = require('@expo/webpack-config/addons')
-const ReactRefreshWebpackPlugin = require('@pmmmwh/react-refresh-webpack-plugin')
-const {BundleAnalyzerPlugin} = require('webpack-bundle-analyzer')
-const {sentryWebpackPlugin} = require('@sentry/webpack-plugin')
-const {version} = require('./package.json')
-
-const GENERATE_STATS = process.env.EXPO_PUBLIC_GENERATE_STATS === '1'
-const OPEN_ANALYZER = process.env.EXPO_PUBLIC_OPEN_ANALYZER === '1'
-
-const reactNativeWebWebviewConfiguration = {
-  test: /postMock.html$/,
-  use: {
-    loader: 'file-loader',
-    options: {
-      name: '[name].[ext]',
-    },
-  },
-}
-
-module.exports = async function (env, argv) {
-  let config = await createExpoWebpackConfigAsync(env, argv)
-  config = withAlias(config, {
-    'react-native$': 'react-native-web',
-    'react-native-webview': 'react-native-web-webview',
-    // Force ESM version
-    'unicode-segmenter/grapheme': require
-      .resolve('unicode-segmenter/grapheme')
-      .replace(/\.cjs$/, '.js'),
-    'react-native-gesture-handler': false, // RNGH should not be used on web, so let's cause a build error if it sneaks in
-  })
-  config.module.rules = [
-    ...(config.module.rules || []),
-    reactNativeWebWebviewConfiguration,
-  ]
-  if (env.mode === 'development') {
-    config.plugins.push(new ReactRefreshWebpackPlugin())
-  } else {
-    // Support static CDN for chunks
-    config.output.publicPath = 'auto'
-  }
-
-  if (GENERATE_STATS || OPEN_ANALYZER) {
-    config.plugins.push(
-      new BundleAnalyzerPlugin({
-        openAnalyzer: OPEN_ANALYZER,
-        generateStatsFile: true,
-        statsFilename: '../stats.json',
-        analyzerMode: OPEN_ANALYZER ? 'server' : 'json',
-        defaultSizes: 'parsed',
-      }),
-    )
-  }
-  if (process.env.SENTRY_AUTH_TOKEN) {
-    config.plugins.push(
-      sentryWebpackPlugin({
-        org: 'blueskyweb',
-        project: 'app',
-        authToken: process.env.SENTRY_AUTH_TOKEN,
-        release: {
-          // fallback needed for Render.com deployments
-          name: process.env.SENTRY_RELEASE || version,
-          dist: process.env.SENTRY_DIST,
-        },
-      }),
-    )
-  }
-  return config
-}