fix(metro): pin uniwind to a single copy in withUniwindConfig

packages/uniwind/src/bundler/adapters/metro/metro.ts

@@ -1,10 +1,15 @@
+import { resolve } from 'node:path'
+
 import { UniwindBundlerConfig } from '@/bundler/config'
-import type { UniwindConfig } from '@/bundler/types'
 import { Platform } from '@/common/consts'
-import type { MetroConfig } from 'metro-config'
+
 import { cacheStore, patchMetroGraphToSupportUncachedModules } from './patches'
 import { nativeResolver, webResolver } from './resolvers'
 
+import type { UniwindConfig } from '@/bundler/types'
+import type { MetroConfig } from 'metro-config'
+import type { CustomResolver } from 'metro-resolver'
+
 export const withUniwindConfig = <T extends MetroConfig>(
     config: T,
     uniwindConfig: UniwindConfig,
@@ -22,15 +27,25 @@ export const withUniwindConfig = <T extends MetroConfig>(
         },
         resolver: {
             ...config.resolver,
-            sourceExts: [
-                ...config.resolver?.sourceExts ?? [],
-                'css',
-            ],
-            assetExts: config.resolver?.assetExts?.filter(
-                ext => ext !== 'css',
-            ),
+            sourceExts: [...(config.resolver?.sourceExts ?? []), 'css'],
+            assetExts: config.resolver?.assetExts?.filter((ext) => ext !== 'css'),
             resolveRequest: (context, moduleName, platform) => {
-                const resolver = config.resolver?.resolveRequest ?? context.resolveRequest
+                const baseResolver = config.resolver?.resolveRequest ?? context.resolveRequest
+                // Pin every `uniwind` specifier to a single physical copy. In monorepos
+                // (bun/pnpm) uniwind can be installed as multiple peer-hash copies; mixing
+                // them both crashes Hermes ("Maximum call stack size exceeded" via
+                // get NativeModules recursion, when the react-native shim redirects across
+                // copies) and splits uniwind's theme runtime across instances (no styling,
+                // colorKit "invalid" color errors). Resolving every `uniwind` request from
+                // a single origin (the project root) collapses them to one instance.
+                // Wrapping `resolver` — not just this resolveRequest — ensures the platform
+                // resolvers' internal `react-native` -> `uniwind/components` redirects are
+                // pinned too.
+                const pinnedOrigin = resolve(config.projectRoot ?? process.cwd(), 'index.js')
+                const resolver: CustomResolver = (ctx, name, plat) =>
+                    name.split('/')[0] === 'uniwind' && ctx.originModulePath !== pinnedOrigin
+                        ? baseResolver({ ...ctx, originModulePath: pinnedOrigin }, name, plat)
+                        : baseResolver(ctx, name, plat)
                 const platformResolver = platform === Platform.Web ? webResolver : nativeResolver
                 const resolved = platformResolver({
                     context,