8000 multiFile type is not able to use with the error: type "multiFile" could not be found · Issue #1395 · log4js-node/log4js-node · GitHub
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multiFile type is not able to use with the error: type "multiFile" could not be found #1395

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nabe1653 opened this issue Sep 22, 2023 · 6 comments · May be fixed by #1423
Open

multiFile type is not able to use with the error: type "multiFile" cou 8000 ld not be found #1395

nabe1653 opened this issue Sep 22, 2023 · 6 comments · May be fixed by #1423

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@nabe1653
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I uses log4js v6.9.1 in TypeScript project with esbuild.
Already I'm using console and dateFile type logging there.

And I tried to use multiFile type then logger shows below error.

Error: Problem with log4js configuration: ({
  appenders: {
    batchLog: {
      type: 'multiFile',
      base: 'logs/',
      property: 'categoryName',
      extension: '.log'
    }
  },
  categories: { batchLog: { appenders: [ 'batchLog' ], level: 'debug' } }
}) - appender "batchLog" is not valid (type "multiFile" could not be found)

I tried to copy some appenders from other issues so maybe config itself is not missed.
How can I use multiFile option?
@Xalaphs
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Xalaphs commented Nov 29, 2023

Same issue here, did you find a solution ?

@nabe1653
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No, I gave up to use this log-type at that time.

But still using this lib for other log-type so I'm waiting answer too.

@lamweili
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lamweili commented Dec 11, 2023 •
edited
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Can you provide a sample index.js with your log4js configuration so that I can replicate it?

I created a typescript.zip project which works fine.

Code:

import * as log4js from "log4js";
log4js.configure({
  appenders: {
    cheese: { type: "file", filename: "cheese.log" },
    batchLog: {
      type: 'multiFile',
      base: 'logs/',
      property: 'categoryName',
      extension: '.log'
    }
  },
  categories: { 
    default: { appenders: ["cheese"], level: "error" },
    batchLog: { appenders: [ 'batchLog' ], level: 'debug' }
  }
});

const logger = log4js.getLogger();
logger.level = "debug";
logger.debug("Some debug messages");

const logger2 = log4js.getLogger("batchLog");
logger2.level = "debug";
logger2.debug("Some debug messages");

console.log('Hello World!');

Command:

npx tsc index.ts && node index.js

Output:

Hello World!

Directory listing:

│   cheese.log
│   index.js
│   index.ts
│   package-lock.json
│   package.json
│
├───logs
│       batchLog.log
│
└───node_modules

@nabe1653
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nabe1653 commented Jan 12, 2024 •
edited
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Hi @lamweili , sorry about late to reply.
In my environment, I feel esbuild may have problem to use only multiple file.

This sample installed esbuild and add npm script to reproduce: esbuild.zip

> npm i
> npm start
Hello World!
> npm run esbuild
}) - appender "batchLog" is not valid (type "multiFile" could not be found)

And I tried to grep node_modules but not found "multiFile" word even there's option name and multiFile.js file.
So I feel esbuild, webpack or some bundle tool may cut off about multiFile.js as no imported.

It may be not your support range but I would be glad if you help us.

@nabe1653 nabe1653 linked a pull request Apr 15, 2024 that will close this issue
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@nabe1653
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Hi @lamweili

I may have identified a potential source of the issue and have created a PR to fix it. Could you please review it and merge it if it is satisfactory?

@nabe1653
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Hi @lamweili

Today I have to start up new api project and I'd like to use this package too.
But I faced this problem again there ... so I would be glad if you merge that, or reply a comment.

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Fix to do not cut off multiFile appender code by bundler's tree shaking nabe1653/log4js-node
3 participants
@lamweili @Xalaphs @nabe1653
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