Unable to load .graphql files. how to add custom loader for graphq files?

[deathemperor]

Bug Report

Before I use serverless-esbuild to config loader for .graphql files but with serverless v4 it doesn't work.

Current Behavior

Offline [http for lambda] listening on http://localhost:3002
Function names exposed for local invocation by aws-sdk:
   * hello: my-service-dev-hello

   ┌─────────────────────────────────────────────────────────────────────────┐
   │                                                                         │
   │   GET  | http://localhost:3000/dev/hello                                │
   │   POST | http://localhost:3000/2015-03-31/functions/hello/invocations   │
   │                                                                         │
   └─────────────────────────────────────────────────────────────────────────┘

Server ready: http://localhost:3000 🚀


GET /dev/hello (λ: hello)
✖ Unhandled exception in handler 'hello'.
✖ Runtime.UserCodeSyntaxError: SyntaxError: Unexpected identifier 'mutation_root'
    at _loadUserApp (/Users/deathemperor/papaya/slsv4-offline/node_modules/serverless-offline/src/lambda/handler-runner/in-process-runner/aws-lambda-ric/UserFunction.js:239:13)
    at async module.exports.load (/Users/deathemperor/papaya/slsv4-offline/node_modules/serverless-offline/src/lambda/handler-runner/in-process-runner/aws-lambda-ric/UserFunction.js:311:19)
    at async InProcessRunner.run (file:///Users/deathemperor/papaya/slsv4-offline/node_modules/serverless-offline/src/lambda/handler-runner/in-process-runner/InProcessRunner.js:41:21)
    at async MessagePort.<anonymous> (file:///Users/deathemperor/papaya/slsv4-offline/node_modules/serverless-offline/src/lambda/handler-runner/worker-thread-runner/workerThreadHelper.js:24:14)
✖ SyntaxError: Unexpected identifier 'mutation_root'

Sample Code

https://github.com/papaya-insurtech/slsv4-offline

Expected behavior/code

Environment

• serverless version: 4.4.7
• serverless-offline version: 14.3.3
• node.js version: v22.9.0
• OS: macOS 15.1

Possible Solution

N/A