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feat(biome_css_analyzer): implement selector-pseudo-class-no-unknown (b…
…iomejs#3034) Co-authored-by: ty <[email protected]>
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crates/biome_css_analyze/src/lint/nursery/no_unknown_pseudo_class_selector.rs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,226 @@ | ||
| use crate::{ | ||
| keywords::{WEBKIT_SCROLLBAR_PSEUDO_CLASSES, WEBKIT_SCROLLBAR_PSEUDO_ELEMENTS}, | ||
| utils::{is_custom_selector, is_known_pseudo_class, is_page_pseudo_class, vendor_prefixed}, | ||
| }; | ||
| use biome_analyze::{context::RuleContext, declare_rule, Ast, Rule, RuleDiagnostic, RuleSource}; | ||
| use biome_console::markup; | ||
| use biome_css_syntax::{ | ||
| CssBogusPseudoClass, CssPageSelectorPseudo, CssPseudoClassFunctionCompoundSelector, | ||
| CssPseudoClassFunctionCompoundSelectorList, CssPseudoClassFunctionIdentifier, | ||
| CssPseudoClassFunctionNth, CssPseudoClassFunctionRelativeSelectorList, | ||
| CssPseudoClassFunctionSelector, CssPseudoClassFunctionSelectorList, | ||
| CssPseudoClassFunctionValueList, CssPseudoClassIdentifier, CssPseudoElementSelector, | ||
| }; | ||
| use biome_rowan::{declare_node_union, AstNode, TextRange}; | ||
|
|
||
| declare_rule! { | ||
| /// Disallow unknown pseudo-class selectors. | ||
| /// | ||
| /// For details on known pseudo-class, see the [MDN web docs](https://developer.mozilla.org/en-US/docs/Web/CSS/Pseudo-classes) | ||
| /// | ||
| /// This rule ignores vendor-prefixed pseudo-class selectors. | ||
| /// | ||
| /// ## Examples | ||
| /// | ||
| /// ### Invalid | ||
| /// | ||
| /// ```css,expect_diagnostic | ||
| /// a:unknown {} | ||
| /// ``` | ||
| /// | ||
| /// ```css,expect_diagnostic | ||
| /// a:UNKNOWN {} | ||
| /// ``` | ||
| /// | ||
| /// ```css,expect_diagnostic | ||
| /// a:hoverr {} | ||
| /// ``` | ||
| /// | ||
| /// ### Valid | ||
| /// | ||
| /// ```css | ||
| /// a:hover {} | ||
| /// ``` | ||
| /// | ||
| /// ```css | ||
| /// a:focus {} | ||
| /// ``` | ||
| /// | ||
| /// ```css | ||
| /// :not(p) {} | ||
| /// ``` | ||
| /// | ||
| /// ```css | ||
| /// input:-moz-placeholder {} | ||
| /// ``` | ||
| /// | ||
| pub NoUnknownPseudoClassSelector { | ||
| version: "next", | ||
| name: "noUnknownPseudoClassSelector", | ||
| language: "css", | ||
| recommended: true, | ||
| sources: &[RuleSource::Stylelint("selector-pseudo-class-no-unknown")], | ||
| } | ||
| } | ||
| declare_node_union! { | ||
| pub AnyPseudoLike = | ||
| CssPseudoClassFunctionCompoundSelector | ||
| | CssPseudoClassFunctionCompoundSelectorList | ||
| | CssPseudoClassFunctionIdentifier | ||
| | CssPseudoClassFunctionNth | ||
| | CssPseudoClassFunctionRelativeSelectorList | ||
| | CssPseudoClassFunctionSelector | ||
| | CssPseudoClassFunctionSelectorList | ||
| | CssPseudoClassFunctionValueList | ||
| | CssPseudoClassIdentifier | ||
| | CssBogusPseudoClass | ||
| | CssPageSelectorPseudo | ||
| } | ||
|
|
||
| fn is_webkit_pseudo_class(node: &AnyPseudoLike) -> bool { | ||
| let mut prev_element = node.syntax().parent().and_then(|p| p.prev_sibling()); | ||
| while let Some(prev) = &prev_element { | ||
| let maybe_selector = CssPseudoElementSelector::cast_ref(prev); | ||
| if let Some(selector) = maybe_selector.as_ref() { | ||
| return WEBKIT_SCROLLBAR_PSEUDO_ELEMENTS.contains(&selector.text().trim_matches(':')); | ||
| }; | ||
| prev_element = prev.prev_sibling(); | ||
| } | ||
|
|
||
| false | ||
| } | ||
|
|
||
| #[derive(Debug, Clone, Copy)] | ||
| enum PseudoClassType { | ||
| PagePseudoClass, | ||
| WebkitScrollbarPseudoClass, | ||
| Other, | ||
| } | ||
|
|
||
| pub struct NoUnknownPseudoClassSelectorState { | ||
| class_name: String, | ||
| span: TextRange, | ||
| class_type: PseudoClassType, | ||
| } | ||
|
|
||
| impl Rule for NoUnknownPseudoClassSelector { | ||
| type Query = Ast<AnyPseudoLike>; | ||
| type State = NoUnknownPseudoClassSelectorState; | ||
| type Signals = Option<Self::State>; | ||
| type Options = (); | ||
|
|
||
| fn run(ctx: &RuleContext<Self>) -> Option<Self::State> { | ||
| let pseudo_class = ctx.query(); | ||
| let (name, span) = match pseudo_class { | ||
| AnyPseudoLike::CssBogusPseudoClass(class) => Some((class.text(), class.range())), | ||
| AnyPseudoLike::CssPseudoClassFunctionCompoundSelector(selector) => { | ||
| let name = selector.name().ok()?; | ||
| Some((name.text().to_string(), name.text_range())) | ||
| } | ||
| AnyPseudoLike::CssPseudoClassFunctionCompoundSelectorList(selector_list) => { | ||
| let name = selector_list.name().ok()?; | ||
| Some((name.text().to_string(), name.text_range())) | ||
| } | ||
| AnyPseudoLike::CssPseudoClassFunctionIdentifier(ident) => { | ||
| let name = ident.name_token().ok()?; | ||
| Some((name.text().to_string(), name.text_range())) | ||
| } | ||
| AnyPseudoLike::CssPseudoClassFunctionNth(func_nth) => { | ||
| let name = func_nth.name().ok()?; | ||
| Some((name.text().to_string(), name.text_range())) | ||
| } | ||
| AnyPseudoLike::CssPseudoClassFunctionRelativeSelectorList(selector_list) => { | ||
| let name = selector_list.name_token().ok()?; | ||
| Some((name.token_text_trimmed().to_string(), name.text_range())) | ||
| } | ||
| AnyPseudoLike::CssPseudoClassFunctionSelector(selector) => { | ||
| let name = selector.name().ok()?; | ||
| Some((name.text().to_string(), name.text_range())) | ||
| } | ||
| AnyPseudoLike::CssPseudoClassFunctionSelectorList(selector_list) => { | ||
| let name = selector_list.name().ok()?; | ||
| Some((name.text().to_string(), name.text_range())) | ||
| } | ||
| AnyPseudoLike::CssPseudoClassFunctionValueList(func_value_list) => { | ||
| let name = func_value_list.name_token().ok()?; | ||
| Some((name.text().to_string(), name.text_range())) | ||
| } | ||
| AnyPseudoLike::CssPseudoClassIdentifier(ident) => { | ||
| let name = ident.name().ok()?; | ||
| Some((name.text().to_string(), name.range())) | ||
| } | ||
| AnyPseudoLike::CssPageSelectorPseudo(page_pseudo) => { | ||
| let name = page_pseudo.selector().ok()?; | ||
| Some((name.token_text_trimmed().to_string(), name.text_range())) | ||
| } | ||
| }?; | ||
|
|
||
| let pseudo_type = match &pseudo_class { | ||
| AnyPseudoLike::CssPageSelectorPseudo(_) => PseudoClassType::PagePseudoClass, | ||
| _ => { | ||
| if is_webkit_pseudo_class(pseudo_class) { | ||
| PseudoClassType::WebkitScrollbarPseudoClass | ||
| } else { | ||
| PseudoClassType::Other | ||
| } | ||
| } | ||
| }; | ||
|
|
||
| let lower_name = name.to_lowercase(); | ||
|
|
||
| let is_valid_class = match pseudo_type { | ||
| PseudoClassType::PagePseudoClass => is_page_pseudo_class(&lower_name), | ||
| PseudoClassType::WebkitScrollbarPseudoClass => { | ||
| WEBKIT_SCROLLBAR_PSEUDO_CLASSES.contains(&lower_name.as_str()) | ||
| } | ||
| PseudoClassType::Other => { | ||
| is_custom_selector(&lower_name) | ||
| || vendor_prefixed(&lower_name) | ||
| || is_known_pseudo_class(&lower_name) | ||
| } | ||
| }; | ||
|
|
||
| if is_valid_class { | ||
| None | ||
| } else { | ||
| Some(NoUnknownPseudoClassSelectorState { | ||
| class_name: name, | ||
| span, | ||
| class_type: pseudo_type, | ||
| }) | ||
| } | ||
| } | ||
|
|
||
| fn diagnostic(_: &RuleContext<Self>, state: &Self::State) -> Option<RuleDiagnostic> { | ||
| let Self::State { | ||
| class_name, | ||
| span, | ||
| class_type, | ||
| } = state; | ||
| let mut diag = RuleDiagnostic::new( | ||
| rule_category!(), | ||
| span, | ||
| markup! { | ||
| "Unexpected unknown pseudo-class "<Emphasis>{ class_name }</Emphasis>" " | ||
| }, | ||
| ); | ||
| match class_type { | ||
| PseudoClassType::PagePseudoClass => { | ||
| diag = diag.note(markup! { | ||
| "See "<Hyperlink href="https://developer.mozilla.org/en-US/docs/Web/CSS/@page">"MDN web docs"</Hyperlink>" for more details." | ||
| }); | ||
| } | ||
| PseudoClassType::WebkitScrollbarPseudoClass => { | ||
| diag = diag.note(markup! { | ||
| "See "<Hyperlink href="https://developer.mozilla.org/en-US/docs/Web/CSS/::-webkit-scrollbar">"MDN web docs"</Hyperlink>" for more details." | ||
| }); | ||
| } | ||
| PseudoClassType::Other => { | ||
| diag = diag.note(markup! { | ||
| "See "<Hyperlink href="https://developer.mozilla.org/en-US/docs/Web/CSS/Pseudo-classes">"MDN web docs"</Hyperlink>" for more details." | ||
| }); | ||
| } | ||
| }; | ||
| Some(diag) | ||
| } | ||
| } |
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