Memory leak with Webpack4

[abyasasvi]

The Issues page for this repository is not a support forum, it is for reporting potential bugs in this module, which
composes webpack-hot-middleware and webpack-dev-middle for use with koa2.
If you have arrived here because you cannot get webpack-hot-middleware
or webpack-dev-middleware working, please review the documentation
for the respective middleware you are experiencing a problem with. If you proceed with this form, please fill out all fields, or your issue may be closed as "invalid." Please remove this header to acknowledge this message.

• Node Version: tried 9 and 10
• NPM Version: 6.2.0
• Yarn Version: 1.3.2
• koa Version: 2.3.0
• koa-wepback Version: 5.1.0

If you have a large amount of code to share which demonstrates the problem you're experiencing, please provide a link to your
repository rather than pasting code. Otherwise, please paste relevant short snippets below.

// webpack.config.js

// app.js

Expected Behavior

HMR should work

Actual Behavior

when HMR was enabled when code changes, it starts compiling and then there is a memory leak that crashes the whole app

How can we reproduce the behavior?

It is very hard to replicate our whole configuration.

I can mention the plugins we use:
name-all-modules-plugin
circular-dependency-plugin
extract-css-chunks-webpack-plugin
NoEmitOnErrorsPlugin
stats-webpack-plugin
write-file-webpack-plugin

[Andrew Powell]

This module only composes webpack-dev-middleware, and instantiates webpack-hot-client. Your issue likely lies in one of those two projects, or webpack itself. Nothing in this module would cause a memory leak with regard to HMR.