[vim/vim] Add `:host`, `:host-context()`, `slotted()`, and `state()` CSS pseudo-classes and functions (PR #21404)
S0AndS0
Related documentation;
- https://developer.mozilla.org/en-US/docs/Web/CSS/Reference/Selectors/:host
- https://developer.mozilla.org/en-US/docs/Web/CSS/Reference/Selectors/:host_function
- https://developer.mozilla.org/en-US/docs/Web/CSS/Reference/Selectors/::slotted
- https://developer.mozilla.org/en-US/docs/Web/CSS/Reference/Selectors/:state
TLDR: host and host-context() are useful for shadowDom stuff, ::slotted() enables targeting elements passed/injected into a <template> and state() enables targeting custom identifiers.
For example, currently I'm (ab)using :host as a drop-in replacement for :root when defining variables that are intended to be shared across custom/template elements;
-
./assets/css/host.csscss :host { --default__margin-block: 0.25rem; } -
./custom-elements/example.html```html <style> header { margin-block-start: calc(var(--default__margin-block) * 2); } </style> ```
What does this change do?
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You can view, comment on, or merge this pull request online at:
https://github.com/vim/vim/pull/21404
Commit Summary
- 6cb3262 Add `:host`, `:host-context()`, and `state()` CSS pseudo-classes and functions
File Changes
(1 file)
- M runtime/syntax/css.vim (6)
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Christian Brabandt
chrisbra left a comment (vim/vim#21404)Thanks. Please next base your changes on the latest master change, so we avoid those git conflicts.
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