webpack/weblabels-plugin: Fix Web Labels table in production mode

Recent changes in webpack modified the content of the JSON stats object when compiling assets in production mode. Notably a module chunk is now identified by an integer instead of its name.

So add an extra mapping between a chunk id and its name in order to fix the generated Web Labels table.

This plugin definitely needs to have some tests.

@vlorentz started this work in !75 (closed) but I will create a task to not forget about it.

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Migrated from D5241 (view on Phabricator)

Build is green

Patch application report for D5241 (id=18785)

Rebasing onto 20da34e9...

Current branch diff-target is up to date.

Changes applied before test

commit 584887952476547dbdeba04eb9bdf227d2b537e1
Author: Antoine Lambert <antoine.lambert@inria.fr>
Date:   Fri Mar 12 16:54:56 2021 +0100

    webpack/weblabels-plugin: Fix Web Labels table in production mode
    
    Recent changes in webpack modified the content of the JSON stats object
    when compiling assets in production mode. Notably a module chunk is now
    identified by an integer instead of its name.
    
    So add an extra mapping between a chunk id and its name in order to fix
    the generated Web Labels table.

See https://jenkins.softwareheritage.org/job/DWAPPS/job/tests-on-diff/621/ for more details.

I will create a task to not forget about it.

#3122

Merge request was accepted

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Merge request was merged

closed