Webpack build: need improvements

[pascalgrimaud]

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Following @atomfrede's comment and discussion at https://github.com/jhipster/jhipster-vuejs/issues/618#issuecomment-631338202

See https://webpack.js.org/guides/build-performance/#specific-tooling-issues

The build time has been increased a lot. See my screenshots - using jhipster-control-center:

Before:

After:

[atomfrede]

Woah that's huge. Is that a production build? Can you measure if the bundle size has decreased maybe (for longer build times)?

[pascalgrimaud]

@atomfrede : yes, I used mvn clean verify -Pprod -DskipTests Ok, I'll try to compare the bundle size and provide more information here

About JHipster Control Center (JHCC):

• old version of jhipster-vuejs: https://github.com/jhipster/jhipster-control-center/tree/backup-before-upgrade-6.9.0
• new version: https://github.com/jhipster/jhipster-control-center/tree/master

So we have a real project and we can compare

[pascalgrimaud]

Here some screenshots to compare bundle size. Left = new version, right = old version

[qmonmert]

@atomfrede your PR https://github.com/jhipster/jhipster-vuejs/pull/621 fixes the bug ?

[atomfrede]

No it just makes it faster. I am not even sure we can get much faster as the default vue cli already takes very long for basically no real application code.