[Pkg-javascript-devel] Bug#1001554: node-mocha: FTBFS with webpack5: Error: wrong webpack5 options configuration

[Yadd]

On 23/05/2022 12:05, Pirate Praveen wrote:
> Control: tags -1 patch
> 
> On Mon, 23 May 2022 14:34:29 +0530 Pirate Praveen 
> <praveen at onenetbeyond.org> wrote:
>  >
>  >
>  > On തി, മേയ് 23 2022 at 02:04:56 വൈകു +05:30:00
>  > +05:30:00, Pirate Praveen <praveen at onenetbeyond.org> wrote:
>  > > Control: severity -1 serious
>  > >
>  > >
>  > > Since webpack 5 is in unstable, bumping severity.
>  > >
>  >
>  > After dropping the patch for webpack 4 compatibility, the build now
>  > fails with this error.
>  >
>  > It is not very clear from the log what is missing though.
>  >
>  > [08:40:30] Webpack errors:
>  > [object Object]
> 
> Running webpack directly gave the following error,
> 
> (debian-sid)pravi at mahishi:~/forge/js-team/node-mocha/workerpool$ webpack 
> --entry ./src/index.js -o /tmp/bundle.js --target es5
> [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.
> Select an appropriate 'target' to allow selecting one by default, or 
> 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 create (/usr/share/nodejs/webpack/lib/webpack.js:134:16)
>     at webpack (/usr/share/nodejs/webpack/lib/webpack.js:142:47)
>     at WebpackCLI.f [as webpack] 
> (/usr/share/nodejs/webpack/lib/index.js:58:16)
>     at WebpackCLI.createCompiler 
> (/usr/share/nodejs/webpack-cli/lib/webpack-cli.js:2200:23)
>     at async WebpackCLI.runWebpack 
> (/usr/share/nodejs/webpack-cli/lib/webpack-cli.js:2330:16)
> 
> This merge request drops es5 from target and build passes 
> https://salsa.debian.org/js-team/node-mocha/-/merge_requests/1 Can 
> someone review this and see if it is okay to drop es5 target here?
No, you're wrong here. This is just a missing build dependency to 
node-babel-loader.

Cheers,
Yadd