Error when combining certain Web Framework Integration packages with `@fedify/mysql`

[2chanhaeng]

Summary

Errors occur when creating an app by running fedify init with a combination of certain Web Framework Integration packages and @fedify/mysql.

• @fedify/astro
• @fedify/elysia
• @fedify/nitro

Expected Behavior

1. Run fedify init <DIR> -w <"astro" | "elysia" | "nitro"> -p <PACKAGE_MANAGER> -k mysql -m <MESSAGE_QUEUE> or <...> -k <KV_STORE> -m mysql
2. Start server
3. Run fedify lookup -p <HOST>/users/john
4. Lookup successfully.

Actual Behavior

Following errors appeared:

• astro: After step 2, request /

    10:02:50 [ERROR] TypeError: Cannot read properties of undefined (reading 'isServer')
        at new ConnectionConfig (/tmp/mysql/astro/pnpm/node_modules/.pnpm/mysql2@3.20.0_@types+node@22.19.15/node_modules/mysql2/lib/connection_config.js:95:29)
        at new PoolConfig (/tmp/mysql/astro/pnpm/node_modules/.pnpm/mysql2@3.20.0_@types+node@22.19.15/node_modules/mysql2/lib/pool_config.js:10:29)
        at createPool (/tmp/mysql/astro/pnpm/node_modules/.pnpm/mysql2@3.20.0_@types+node@22.19.15/node_modules/mysql2/lib/create_pool.js:7:29)
        at Object.createPromisePool [as createPool] (/tmp/mysql/astro/pnpm/node_modules/.pnpm/mysql2@3.20.0_@types+node@22.19.15/node_modules/mysql2/promise.js:46:20)
        at eval (/tmp/mysql/astro/pnpm/src/federation.ts:10:30)
        at async ESModulesEvaluator.runInlinedModule (file:///tmp/mysql/astro/pnpm/node_modules/.pnpm/vite@7.3.1_@types+node@22.19.15_yaml@2.8.3/node_modules/vite/dist/node/module-runner.js:913:3)
        at async ModuleRunner.directRequest (file:///tmp/mysql/astro/pnpm/node_modules/.pnpm/vite@7.3.1_@types+node@22.19.15_yaml@2.8.3/node_modules/vite/dist/node/module-runner.js:1146:59)
        at async ModuleRunner.cachedRequest (file:///tmp/mysql/astro/pnpm/node_modules/.pnpm/vite@7.3.1_@types+node@22.19.15_yaml@2.8.3/node_modules/vite/dist/node/module-runner.js:1053:73)
        at async eval (/tmp/mysql/astro/pnpm/src/middleware.ts:2:1)
        at async ESModulesEvaluator.runInlinedModule (file:///tmp/mysql/astro/pnpm/node_modules/.pnpm/vite@7.3.1_@types+node@22.19.15_yaml@2.8.3/node_modules/vite/dist/node/module-runner.js:913:3)
    10:02:50 [ERROR] Cannot read properties of undefined (reading 'isServer')
    Stack trace:
        at /tmp/mysql/astro/pnpm/node_modules/.pnpm/mysql2@3.20.0_@types+node@22.19.15/node_modules/mysql2/lib/connection_config.js:95:29
        [...] See full stack trace in the browser, or rerun with --verbose.

• elysia: On step 3

    /tmp/mysql/elysia/pnpm/node_modules/.pnpm/mysql2@3.20.0_@types+node@25.5.0/node_modules/mysql2/lib/connection_config.js:95
        this.isServer = options.isServer;
                                ^
  
    TypeError: Cannot read properties of undefined (reading 'isServer')
        at new ConnectionConfig (/tmp/mysql/elysia/pnpm/node_modules/.pnpm/mysql2@3.20.0_@types+node@25.5.0/node_modules/mysql2/lib/connection_config.js:95:29)
        at new PoolConfig (/tmp/mysql/elysia/pnpm/node_modules/.pnpm/mysql2@3.20.0_@types+node@25.5.0/node_modules/mysql2/lib/pool_config.js:10:29)
        at createPool (/tmp/mysql/elysia/pnpm/node_modules/.pnpm/mysql2@3.20.0_@types+node@25.5.0/node_modules/mysql2/lib/create_pool.js:7:29)
        at Object.createPromisePool [as createPool] (/tmp/mysql/elysia/pnpm/node_modules/.pnpm/mysql2@3.20.0_@types+node@25.5.0/node_modules/mysql2/promise.js:46:20)
        at <anonymous> (/tmp/mysql/elysia/pnpm/src/federation.ts:10:30)
        at ModuleJob.run (node:internal/modules/esm/module_job:430:25)
        at async onImport.tracePromise.__proto__ (node:internal/modules/esm/loader:661:26)
        at async asyncRunEntryPointWithESMLoader (node:internal/modules/run_main:101:5)
  
    Node.js v24.14.1
    ^C ELIFECYCLE  Command failed.

• nitro: No response from server.

Environment

Devcontainer in codebase.

Logs / Screenshots

No response

Steps to Reproduce

See Expected Behavior

[2chanhaeng]

Can I take this issue? @dahlia

[dahlia]

Assigned, thanks!