Fix error with eslint due to variable initialization before checking, eslint was set

[wesoledi]

In some projects, with symfony 6 with encore used, to work with sass+vue, without external eslint configuration, there may be error while building final dist/build files. The reason was, it could not init eslint, even it was disabled in webpack configuration (or more precisly: not enabled). Webpack-encore still wanted to run it, before checking if "useEslintPlugin" was set.

To fix this, I moved variable initialization to the block, after checking this variable, because it is used only inside if-block anyway. So there is no need to init these before.

Here is my compare: https://github.com/symfony/webpack-encore/commit/bc34f910dfa189016a6f7563927ea752479c0695

[weaverryan]

Hi there!

What is the exact error that you get when building for production? And was it necessary to move all of those require statements? Or is there just 1 specifically that fixes the problem.

Your situation makes sense... but I am having a hard time seeing why any of those require statements would cause a problem. But seeing the error might help clarify :).

Cheers!

[lu43n]

The same here. With fix https://github.com/symfony/webpack-encore/commit/bc34f910dfa189016a6f7563927ea752479c0695 from @wesoledi everything works. Before fix I got errors:

yarn run v1.22.17
$ /usr/home/account/domains/domain.com/node_modules/.bin/encore dev
Running webpack ...

events.js:377
      throw er; // Unhandled 'error' event
      ^

Error: listen EPERM: operation not permitted 0.0.0.0:20868
    at Server.setupListenHandle [as _listen2] (net.js:1314:21)
    at listenInCluster (net.js:1379:12)
    at Server.listen (net.js:1465:7)
    at Object.<anonymous> (/usr/home/account/domains/domain.com/node_modules/sync-rpc/lib/worker.js:68:8)
    at Module._compile (internal/modules/cjs/loader.js:1085:14)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1114:10)
    at Module.load (internal/modules/cjs/loader.js:950:32)
    at Function.Module._load (internal/modules/cjs/loader.js:790:12)
    at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:75:12)
    at internal/main/run_main_module.js:17:47
Emitted 'error' event on Server instance at:
    at emitErrorNT (net.js:1358:8)
    at processTicksAndRejections (internal/process/task_queues.js:82:21) {
  code: 'EPERM',
  errno: -1,
  syscall: 'listen',
  address: '0.0.0.0',
  port: 20868
}
[webpack-cli] Failed to load '/usr/home/account/domains/domain.com/webpack.config.js' config
[webpack-cli] Error: Timed out waiting for sync-rpc server to start (it should respond with "pong" when sent "ping"):

events.js:377
      throw er; // Unhandled 'error' event
      ^

Error: connect ECONNREFUSED 127.0.0.1:20868
    at TCPConnectWrap.afterConnect [as oncomplete] (net.js:1159:16)
Emitted 'error' event on Socket instance at:
    at emitErrorNT (internal/streams/destroy.js:106:8)
    at emitErrorCloseNT (internal/streams/destroy.js:74:3)
    at processTicksAndRejections (internal/process/task_queues.js:82:21) {
  errno: -61,
  code: 'ECONNREFUSED',
  syscall: 'connect',
  address: '127.0.0.1',
  port: 20868
}


    at waitForAlive (/usr/home/account/domains/domain.com/node_modules/sync-rpc/lib/index.js:85:11)
    at start (/usr/home/account/domains/domain.com/node_modules/sync-rpc/lib/index.js:41:3)
    at sendMessage (/usr/home/account/domains/domain.com/node_modules/sync-rpc/lib/index.js:133:17)
    at createClient (/usr/home/account/domains/domain.com/node_modules/sync-rpc/lib/index.js:173:27)
    at Object.<anonymous> (/usr/home/account/domains/domain.com/node_modules/@symfony/webpack-encore/lib/plugins/eslint.js:13:32)
    at Module._compile (internal/modules/cjs/loader.js:1085:14)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1114:10)
    at Module.load (internal/modules/cjs/loader.js:950:32)
    at Function.Module._load (internal/modules/cjs/loader.js:790:12)
    at Module.require (internal/modules/cjs/loader.js:974:19)
error Command failed with exit code 2.

[wesoledi]

Yes :) yes, it was it: sync-rpc error. Thx @lu43n.

[Kocal]

Interesting, maybe we can reconsider solutions described in https://github.com/symfony/webpack-encore/pull/985#issuecomment-848018655...

But for now, can someone of you can open a PR for https://github.com/symfony/webpack-encore/commit/bc34f910dfa189016a6f7563927ea752479c0695 ? Thanks

[wesoledi]

created

[Kocal]

Thanks!