fix npm build

Author: longshuicy

__tests__/pages/api/__tests__/getContexts.test.ts

@@ -13,7 +13,7 @@ vi.mock('~/pages/api/authorization', () => ({
       h,
 }))
 
-vi.mock('~/pages/util/fetchContexts', () => ({
+vi.mock('~/server/fetchContextsForVectorSearch', () => ({
   fetchContextsViaDrizzleVectorSearch:
     hoisted.fetchContextsViaDrizzleVectorSearch,
 }))

next.config.mjs

@@ -18,7 +18,7 @@ const config = {
       sizeLimit: '100mb',
     },
   },
-  webpack(config) {
+  webpack(config, { isServer }) {
     // Merge existing experiments with the required ones
     config.experiments = {
       ...(config.experiments || {}),
@@ -35,6 +35,16 @@ const config = {
       type: 'webassembly/async',
     })
 
+    // Keep postgres (Node-only; uses tls, net, perf_hooks) out of client bundle. Server uses it via API routes.
+    if (!isServer) {
+      config.resolve.fallback = {
+        ...config.resolve?.fallback,
+        tls: false,
+        net: false,
+        perf_hooks: false,
+      }
+    }
+
     return config
   },
 
@@ -63,6 +73,8 @@ const config = {
   },
   experimental: {
     esmExternals: false, // To make certain packages work with the /pages router.
+    // Keep Node-only packages (postgres uses tls, perf_hooks) out of the bundle; required for API routes that use dbClient/vectorSearch.
+    serverComponentsExternalPackages: ['postgres'],
   },
   async headers() {
     return [

src/pages/api/getContexts.ts

@@ -1,7 +1,7 @@
 import { type NextApiResponse } from 'next'
 import { type AuthenticatedRequest } from '~/utils/authMiddleware'
 import { withCourseAccessFromRequest } from '~/pages/api/authorization'
-import { fetchContextsViaDrizzleVectorSearch } from '~/pages/util/fetchContexts'
+import { fetchContextsViaDrizzleVectorSearch } from '~/server/fetchContextsForVectorSearch'
 
 export default withCourseAccessFromRequest('any')(handler)
 

src/pages/util/fetchContexts.ts …c/server/fetchContextsForVectorSearch.tssrc/pages/util/fetchContexts.ts renamed to src/server/fetchContextsForVectorSearch.ts src/pages/util/fetchContexts.ts renamed to src/server/fetchContextsForVectorSearch.ts

@@ -3,7 +3,7 @@ import { vectorSearchWithDrizzle } from '~/db/vectorSearch'
 import { embedQuery } from '~/utils/embedQuery'
 import { getDocGroupsForVectorSearch } from '~/db/dbHelpers'
 
-/** Fetch query embedding (frontend) + doc groups from frontend DB, then run vector search (Drizzle/pgvector). */
+/** Fetch query embedding (frontend) + doc groups from frontend DB, then run vector search (Drizzle/pgvector). Server-only. */
 export async function fetchContextsViaDrizzleVectorSearch(
   course_name: string,
   search_query: string,