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ESLint Plugin: Add the recommended Prettier config to enforce WP coding styles #21602

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merged 3 commits into from
Apr 15, 2020

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gziolo
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@gziolo gziolo commented Apr 15, 2020

Description

Fixes #20509. An alternative to #21503.

Hi, I have recently upgraded @wordpress/eslint-plugin to version 4.0.0. After the update, eslint is telling me to remove spaces from inside parens, and replace ' with ". AFAIK this goes against WPC

This PR always uses the recommended Prettier config to enforce WordPress coding styles but it respects the Prettier config overrides defined by projects.

It turns out that there is usePrettierrc option in prettier/prettier rule (https://github.com/prettier/eslint-plugin-prettier#options):

Enables loading of the Prettier configuration file, (default: true). May be useful if you are using multiple tools that conflict with each other, or do not wish to mix your ESLint settings with your Prettier configuration.

This way we could remove the config in @wordpress/scripts for Prettier and use @wordpress/prettier-config in all places instead.

How has this been tested?

It's also possible to test the changes applied to the @wordpress/eslint-config by removing .prettierrc.js file in the root of the project and executing:
npm run lint-js

Checklist:

  • My code is tested.
  • My code follows the WordPress code style.
  • My code has proper inline documentation.
  • I've included developer documentation if appropriate.

@gziolo gziolo self-assigned this Apr 15, 2020
@gziolo gziolo changed the title ESLint Plugin: Add the recommended Prettier config to enforce WP codign ESLint Plugin: Add the recommended Prettier config to enforce WP coding styles Apr 15, 2020
@gziolo gziolo added [Package] ESLint plugin /packages/eslint-plugin [Package] Scripts /packages/scripts [Type] Bug An existing feature does not function as intended labels Apr 15, 2020
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github-actions bot commented Apr 15, 2020

Size Change: 0 B

Total Size: 839 kB

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Filename Size Change
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Could this be considered a breaking change? i.e. Any change for developers who had come to rely on the previous default behavior?

packages/eslint-plugin/CHANGELOG.md Outdated Show resolved Hide resolved
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Well, this will make code that was previously marked as correct now be marked as incorrect. But in some sense, it's a move back to the behaviour of 3.4.1 from the changes introduced in 4.0.0... (not 100%)

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aduth commented Apr 15, 2020

I guess it can be fair if it falls under the realm of "Behavior which was never intended in the first place", to consider it as a bug fix.

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Yes, #20509 is marked as a bug, so this would be a bugfix, therefore not breaking

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gziolo commented Apr 15, 2020

I had it as a breaking change first, but it was never intended to allow the default Prettier coding style so bugfix seems reasonable. I'm doing a hotfix release soon, let's include this one as well, so most of the projects will get it together with breaking changes :)

@gziolo gziolo merged commit bf1cfb7 into master Apr 15, 2020
@gziolo gziolo deleted the update/prettier-config-integration branch April 15, 2020 15:21
@github-actions github-actions bot added this to the Gutenberg 8.0 milestone Apr 15, 2020
gziolo added a commit that referenced this pull request Apr 15, 2020
…ng styles (#21602)

* ESLint Config: Add the recommended Prettier config to enforce WordPress coding styles

* Update CHANGELOG.md
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ESLint plugin: Use the default WordPress Prettier config when no config found
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