css nesting support #64
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alexander-akait
approved these changes
Dec 21, 2023
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thank you for merging :) would it be possible to release a new version? |
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Yeah, today/tomorrow, want to add more tests for other CSS modules plugins and css-loader to ensure everything is covered |
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thanks for releasing as 4.0.4 🎉 |
samcx
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to vercel/next.js
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this pull request
Feb 29, 2024
today ~83% of all browsers support css nesting: https://caniuse.com/css-nesting  https://caniuse.com/css-nesting https://developer.mozilla.org/en-US/docs/Web/CSS/Nesting_selector therefore this pr upgrades postcss-modules-local-by-default which fixes a bug in css-modules/postcss-modules-local-by-default#64) - `.foo { &:hover { a_value: some-value; } }` is pure - `.foo { html &:hover { a_value: some-value; } }` is pure - `.foo { &:global(.bar) { a_value: some-value; } }` is pure - `:global(.foo) { &:hover { a_value: some-value; } }` is **not** pure upgrading the package will allow using css nestings with or **without** postcss compilation it fixes the following error: ``` CssSyntaxError: postcss-modules-local-by-default: <css input>:1:8: Selector "&:hover" is not pure (pure selectors must contain at least one local class or id) ``` Fixes #55053 Fixes #33734 Fixes #10475 Co-authored-by: Sam Ko <sam@vercel.com>
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today ~76% of all browsers support for css nesting: https://caniuse.com/css-nesting
therefore this pr adds tests:
.foo { &:hover { a_value: some-value; } }which is pure.foo { html &:hover { a_value: some-value; } }which is pure.foo { &:global(.bar) { a_value: some-value; } }which is pure:global(.foo) { &:hover { a_value: some-value; } }which is not purethis pr also adds logic to
localizeNodeto make the tests above passfixes #65