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Scripts: Add missing fallback for target in webpack 5 config #34112

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merged 2 commits into from
Aug 18, 2021

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@gziolo gziolo commented Aug 17, 2021

Description

Follow up for #33818.

Fixes the following error when using @wordpress/scripts without the browserslist config provided:

[webpack-cli] Error: No browserslist config found to handle the 'browserslist' target.
See https://github.com/browserslist/browserslist#queries for possible ways to provide a config.
The recommended way is to add a 'browserslist' key to your package.json and list supported browsers (resp. node.js versions).
You can also more options via the 'target' option: 'browserslist' / 'browserslist:env' / 'browserslist:query' / 'browserslist:path-to-config' / 'browserslist:path-to-config:env'

It adds a fallback when that happens.

Related webpack 5 docs:

https://webpack.js.org/configuration/target/#target

How has this been tested?

npx wp-create-block example --no-wp-scripts
rm .browserslistconfig
cd example
./node_modules/.bin/wp-scripts build

Types of changes

Bug fix (non-breaking change which fixes an issue).

Checklist:

  • My code is tested.
  • My code follows the WordPress code style.
  • My code follows the accessibility standards.
  • I've tested my changes with keyboard and screen readers.
  • My code has proper inline documentation.
  • I've included developer documentation if appropriate.
  • I've updated all React Native files affected by any refactorings/renamings in this PR (please manually search all *.native.js files for terms that need renaming or removal).

@gziolo gziolo self-assigned this Aug 17, 2021
@gziolo gziolo added [Tool] WP Scripts /packages/scripts [Type] Bug An existing feature does not function as intended labels Aug 17, 2021
@gziolo gziolo requested a review from jsnajdr August 17, 2021 13:04
hasBabelConfig,
hasCssnanoConfig,
hasPostCSSConfig,
} = require( '../utils' );

const isProduction = process.env.NODE_ENV === 'production';
const mode = isProduction ? 'production' : 'development';
let target = 'browserslist';
if ( ! browserslist.findConfig( '.' ) ) {
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We use the same trick in @wordpress/babel-config-default:

const localBrowserslistConfig =
browserslist.findConfig( '.' ) || {};
opts.targets = {
browsers:
localBrowserslistConfig.defaults ||
require( '@wordpress/browserslist-config' ),
};

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Size Change: 0 B

Total Size: 1.03 MB

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@gziolo gziolo mentioned this pull request Aug 17, 2021
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samikeijonen commented Aug 17, 2021

Looks good to me. Fallback is @wordpress/browserslist-config, right?

And with .browserslistrc file we can overwrite that for the project needs?

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gziolo commented Aug 17, 2021

Looks good to me. Fallback is @wordpress/browserslist-config, right?

And with .browserslistrc file we can overwrite that for the project needs?

Yes, this is exactly how it should work. It always prefers a file provided by the project.

@gziolo gziolo merged commit 3789ce6 into trunk Aug 18, 2021
@gziolo gziolo deleted the fix/wordpress-scripts-browserslist-webpack-5 branch August 18, 2021 07:31
@github-actions github-actions bot added this to the Gutenberg 11.4 milestone Aug 18, 2021
@gziolo gziolo modified the milestones: Gutenberg 11.4, Gutenberg 11.3 Aug 18, 2021
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gziolo commented Aug 18, 2021

This PR was cherry-picked to the Gutenberg 11.3 release.

gziolo added a commit that referenced this pull request Aug 18, 2021
* Scripts: Add missing fallback for target in webpack 5 config

* Add changelog entry
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