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serverRenderer is not a function

See original GitHub issue

environment :

node 8.9
webpack 4.12
webpack-hot-server-middleware  0.5.0


serverRenderer is not a function

Issue Analytics

  • State:open
  • Created 5 years ago
  • Comments:10 (2 by maintainers)

github_iconTop GitHub Comments

threehamscommented, Jul 1, 2018

Both react-universal-component and webpack-hot-server-middleware can work with Webpack 4. However, this issue can get in the way:

The “serverRenderer is not a function” error happens most often because the real error is swallowed on one of these two lines:

In the case of async code splitting - any code splitting, not just react-universal-component - that Webpack issue can leave you with a chunk name based off an async chunk rather than your entry point. So, with an entry name of “server” and an import() of “Home” will sometimes cause LimitChunkCountPlugin to use the output + chunk name “Home” instead of “server,” which leaves webapck-hot-server-middleware unable to find the default/configured chunk name + file of “server.”

I’m attempting to put together a PR to provide friendly error reporting when something fails on these two lines. Took me the better part of an hour to figure out what was going on here.

yilmazbingocommented, Mar 23, 2020

in the webpack config for the server your entry point should be string:

entry: "./src/server/render.js",

You should change output.filename if your are using [name] computed property.

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