Usage install $ yarn run yarn start with original ExtendedAPIPlugin.js $ yarn start # ... ERROR in chunk main [entry] [name].[chunkhash].js Cannot use [chunkhash] or [contenthash] for chunk in '[name].[chunkhash].js' (use [hash] instead) run yarn build with custom ExtendedAPIPlugin.js(only remove globalHash hooks) $ yarn build # ... Hash: 4357922aae6c8d1e35b1 Version: webpack 4.17.2 Time: 96ms Built at: 2018-09-04 11:54:56 Asset Size Chunks Chunk Names main.a35625c4a02a0a22d06a.js 997 bytes 0 [emitted] main Entrypoint main = main.a35625c4a02a0a22d06a.js [0] ./index.js 64 bytes {0} [built] The Hash: 4357922aae6c8d1e35b1 $ node ./dist/main.a35625c4a02a0a22d06a.js 4357922aae6c8d1e35b1