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Message is not sent if shutdown immediately

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#6 1 comment 0 reactions 0 assignees View on GitHub

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Assessment

Difficulty
3/5
Estimated time
1-2 days
Newbie friendliness
35/100
Issue type
Feature
Clarity
Mostly clear
Activity status
Stale
Tech stack
javascript, node.js
Domain
backend

Research direction

Start with the Slack appender and the linked feature-support-shutdown comparison, then review how log4js.shutdown() checks for shutdown support. Verify the immediate-termination example and the proposed callback behavior; done means the Slack request can finish or be given the proposed wait before process exit.

Written by the indexing model from the issue text.

Description

Overview

Since this module doesn't have shutdown function, request to slack is not reached if log4js.shutdown() is called and process is terminated right after message event.

For example:
https://github.com/expressjs/generator/blob/master/templates/js/www.ejs#L68
When I replace this logging with log4js + slack appender, it will not notify to slack.
Even if I put process.exit(1) within shutdown callback like

const log4js = require('log4js');
const logger = log4js.getLogger();

logger.error(bind + ' requires elevated privileges');
log4js.shutdown(() => {
  process.exit(1);
});

it still won't wait process.exit() since slack appender doesn't support it.

As seen in log4js-node, it checks function existence.
https://github.com/log4js-node/log4js-node/blob/master/lib/log4js.js#L117

Appendix

If following proposal diff looks good, I'll make Pull Req.
https://github.com/log4js-node/slack/compare/master...honeroku:feature-support-shutdown

It doesn't guarantee that all request is done, but I suppose 1sec is enough (or even too much) for slack api.
And I don't want over-decorate this tiny module, so I made minimum support.

Dominant language
JavaScript
Stars
8
Forks
8
PR merge metrics
No merged PRs in 30d

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