[Pkg-javascript-devel] Bug#1003503: node-katex: FTBFS woth webpack5: For the selected environment is no default script chunk format available

[Caleb Adepitan]

Source: node-katex
Version: 0.10.2+dfsg-9
Severity: important
Tags: ftbfs
User: pkg-javascript-devel at alioth-lists.debian.net
Usertags: webpack5

Hi,

We are starting to build against webpack5 in experimental and the 
package needed for local build is webpack and node-webpack-source from 
experimental.
During a test rebuild, node-katex was found to fail to build in that 
situation.

Relevant part (hopefully):

 >.katex{text-align:left}+ webpack
[webpack-cli] Error: For the selected environment is no default script 
chunk format available:
JSONP Array push can be chosen when 'document' or 'importScripts' is 
available.
CommonJs exports can be chosen when 'require' or node builtins are 
available.
Make sure that your 'browserslist' includes only platforms that support 
these features or select an appropriate 'target' to allow selecting a 
chunk format by default. Alternatively specify the 'output.chunkFormat' 
directly.
     at /usr/share/nodejs/webpack/lib/config/defaults.js:735:11
     at F (/usr/share/nodejs/webpack/lib/config/defaults.js:72:15)
     at applyOutputDefaults 
(/usr/share/nodejs/webpack/lib/config/defaults.js:716:2)
     at applyWebpackOptionsDefaults 
(/usr/share/nodejs/webpack/lib/config/defaults.js:190:2)
     at createCompiler (/usr/share/nodejs/webpack/lib/webpack.js:77:2)
     at /usr/share/nodejs/webpack/lib/webpack.js:44:48
     at Array.map (<anonymous>)
     at createMultiCompiler (/usr/share/nodejs/webpack/lib/webpack.js:44:33)
     at create (/usr/share/nodejs/webpack/lib/webpack.js:125:16)
     at webpack (/usr/share/nodejs/webpack/lib/webpack.js:142:47)
dh_auto_build: error: cd ./. && sh -ex debian/nodejs/./build returned 
exit code 2
make: *** [debian/rules:5: binary] Error 25
dpkg-buildpackage: error: debian/rules binary subprocess returned exit 
status 2
--------------------------------------------------------------------------------
Build finished at 2022-01-08T15:12:25Z

Finished
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