loopbackio / loopbackio/loopback-next

latest @loopback/graphql ESM export compatibility error

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bug help wanted
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Description

### Describe the bug

I downloaded the code from loopback GraphQL example repository https://github.com/loopbackio/loopback-next/tree/master/examples/graphql , and after fixing some type errors, when I start the application using Node v24.12.0, I encounter the following error:
``` shell
> @loopback/example-graphql@0.12.8 start
> node .

node:internal/modules/cjs/loader:686
throw e;
^

Error [ERR_PACKAGE_PATH_NOT_EXPORTED]: Package subpath './dist/interfaces' is not defined by "exports" in /Users/dinesh/Documents/Projects/example-graphql/node_modules/type-graphql/package.json
at exportsNotFound (node:internal/modules/esm/resolve:313:10)
at packageExportsResolve (node:internal/modules/esm/resolve:661:9)
at resolveExports (node:internal/modules/cjs/loader:679:36)
at Module._findPath (node:internal/modules/cjs/loader:746:31)
at Module._resolveFilename (node:internal/modules/cjs/loader:1406:27)
at defaultResolveImpl (node:internal/modules/cjs/loader:1059:19)
at resolveForCJSWithHooks (node:internal/modules/cjs/loader:1064:22)
at Module._load (node:internal/modules/cjs/loader:1227:37)
at TracingChannel.traceSync (node:diagnostics_channel:328:14)
at wrapModuleLoad (node:internal/modules/cjs/loader:245:24)
at Module.require (node:internal/modules/cjs/loader:1504:12)
at require (node:internal/modules/helpers:152:16)
at Object. (/Users/dinesh/Documents/Projects/example-graphql/node_modules/@loopback/graphql/dist/index.js:9:22)
at Module._compile (node:internal/modules/cjs/loader:1761:14)
at Object..js (node:internal/modules/cjs/loader:1893:10)
at Module.load (node:internal/modules/cjs/loader:1481:32) {
code: 'ERR_PACKAGE_PATH_NOT_EXPORTED'
}

Node.js v24.12.0
```
I think this behavior started with version 0.12.0

Expected Behavior:

The application should start without errors.

Actual Behavior:

The application fails to start with the error shown above.

Environment:
Node.js v24.12.0
npm 11.6.2
OS: MacOS 15.7.2 (M1 chip)

### Additional information

_No response_

### Reproduction

https://github.com/loopbackio/loopback-next/tree/master/examples/graphql

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the examples/graphql reproduction and inspect the @loopback/graphql/dist/index.js entry point shown in the stack trace, along with the type-graphql package exports. Run the example with Node.js 24 to confirm the failure and trace the incompatible subpath usage. Done means the application starts without ERR_PACKAGE_PATH_NOT_EXPORTED.

Written by the indexing model from the issue text.

Assessment

Tech stack
graphql, node.js, typescript
Domain
api, backend
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Quiet
Clarity
Mostly clear
Newbie friendliness
48/100

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