How to reference in-memory bundle from webpack-dev-middleware ?

[Wangggym]

Bug report

` const path = require('path'); const myOutputFileSystem = require('my-fs'); const mkdirp = require('mkdirp'); const webpackConfig = require('../../webpack.client.dev.js');

myOutputFileSystem.join = path.join.bind(path); // no need to bind
myOutputFileSystem.mkdirp = mkdirp.bind(mkdirp); // no need to bind
const compiler = webpack(webpackConfig);

const devMiddleware = koaConnect(
webpackDevMiddleware(compiler, {
publicPath: webpackConfig.output.publicPath,
outputFileSystem: myOutputFileSystem,
})
);
`

Actual Behavior

I use this code from the readme. But there happened an error.

Expected Behavior

I want to reference in-memory bundle from webpack-dev-middleware, how to do?

How Do We Reproduce?

Please paste the results of npx webpack-cli info here, and mention other relevant information

[alexander-akait]

Please provide npx webpack-cli info

[alexander-akait]

Closing due to inactivity. Please test with latest version and feel free to reopen if still regressions. Thanks!