Can't resolve 'fs' but in an API route???

Module not found: Can't resolve 'fs'

https://nextjs.org/docs/messages/module-not-found

Import trace for requested module:
./node_modules/langchain/dist/document_loaders/fs/pdf.js
./node_modules/langchain/document_loaders/fs/pdf.js
./src/app/api/chat/route.ts
./node_modules/next/dist/build/webpack/loaders/next-edge-app-route-loader/index.js?absolutePagePath=%2Fhome%2Fphilip%2Fpersonal%2Faiwirk%2Fsrc%2Fapp%2Fapi%2Fchat%2Froute.ts&page=%2Fapi%2Fchat%2Froute&appDirLoader=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&nextConfigOutput=&preferredRegion=&middlewareConfig=e30%3D!

Module not found: Can't resolve 'fs'

https://nextjs.org/docs/messages/module-not-found

Import trace for requested module:
./node_modules/langchain/dist/document_loaders/fs/pdf.js
./node_modules/langchain/document_loaders/fs/pdf.js
./src/app/api/chat/route.ts
./node_modules/next/dist/build/webpack/loaders/next-edge-app-route-loader/index.js?absolutePagePath=%2Fhome%2Fphilip%2Fpersonal%2Faiwirk%2Fsrc%2Fapp%2Fapi%2Fchat%2Froute.ts&page=%2Fapi%2Fchat%2Froute&appDirLoader=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&nextConfigOutput=&preferredRegion=&middlewareConfig=e30%3D!

  "dependencies": {
    "@types/node": "20.3.2",
    "@types/react": "18.2.14",
    "@types/react-dom": "18.2.6",
    "autoprefixer": "10.4.14",
    "eslint": "8.43.0",
    "eslint-config-next": "13.4.7",
    "langchain": "^0.0.99",
    "next": "13.4.7",
    "pdf-parse": "^1.1.1",
    "postcss": "8.4.24",
    "react": "18.2.0",
    "react-dom": "18.2.0",
    "tailwindcss": "3.3.2",
    "typescript": "5.1.6",
    "zlib": "^1.0.5"
  }

  "dependencies": {
    "@types/node": "20.3.2",
    "@types/react": "18.2.14",
    "@types/react-dom": "18.2.6",
    "autoprefixer": "10.4.14",
    "eslint": "8.43.0",
    "eslint-config-next": "13.4.7",
    "langchain": "^0.0.99",
    "next": "13.4.7",
    "pdf-parse": "^1.1.1",
    "postcss": "8.4.24",
    "react": "18.2.0",
    "react-dom": "18.2.0",
    "tailwindcss": "3.3.2",
    "typescript": "5.1.6",
    "zlib": "^1.0.5"
  }