forked from swc-project/swc
/
color_space_separated_parameters.rs
72 lines (64 loc) · 2.25 KB
/
color_space_separated_parameters.rs
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use std::mem::take;
use swc_atoms::js_word;
use swc_common::DUMMY_SP;
use swc_css_ast::{AbsoluteColorBase, ComponentValue, Delimiter, DelimiterValue};
use crate::compiler::Compiler;
impl Compiler {
pub(crate) fn process_color_space_separated_function_notation(
&mut self,
n: &mut AbsoluteColorBase,
) {
if let AbsoluteColorBase::Function(function) = n {
let name = function.name.value.to_ascii_lowercase();
if !matches!(
name,
js_word!("rgb") | js_word!("rgba") | js_word!("hsl") | js_word!("hsla")
) {
return;
}
if function.value.len() != 3 && function.value.len() != 5 {
return;
}
if function.value.iter().any(|n| {
matches!(
n,
ComponentValue::Delimiter(box Delimiter {
value: DelimiterValue::Comma,
..
})
)
}) {
return;
}
let new_value: Vec<ComponentValue> = take(&mut function.value)
.into_iter()
.enumerate()
.flat_map(|(idx, node)| {
if matches!(idx, 0 | 1) {
vec![
node,
ComponentValue::Delimiter(Box::new(Delimiter {
value: DelimiterValue::Comma,
span: DUMMY_SP,
})),
]
} else if matches!(
node,
ComponentValue::Delimiter(box Delimiter {
value: DelimiterValue::Solidus,
..
})
) {
vec![ComponentValue::Delimiter(Box::new(Delimiter {
value: DelimiterValue::Comma,
span: DUMMY_SP,
}))]
} else {
vec![node]
}
})
.collect::<Vec<_>>();
function.value = new_value;
}
}
}