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feat(css/prefixer): Prefix percentage with opacity (#6638)

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Alexander Akait 2022-12-13 15:57:32 +03:00 committed by GitHub
parent 292c3388b5
commit 2fee4d167a
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5 changed files with 148 additions and 0 deletions
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18
crates/swc_css_prefixer/data/prefixes_and_browsers.json
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@ -3873,5 +3873,23 @@
"firefox": "3"
},
{}
],
"opacity": [
{
"chrome": "4",
"edge": "12",
"firefox": "2",
"samsung": "4",
"ios": "3.2",
"opera": "10",
"safari": "3.1",
"ie": "6"
},
{
"chrome": "77",
"edge": "78",
"firefox": "69",
"samsung": "11.2"
}
]
}

56
crates/swc_css_prefixer/src/prefixer.rs
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@ -535,6 +535,16 @@ macro_rules! to_integer {
}};
}
macro_rules! to_number {
($val:expr) => {{
ComponentValue::Number(Box::new(Number {
span: DUMMY_SP,
value: $val,
raw: None,
}))
}};
}
#[derive(Debug, PartialEq, Eq, Clone, Copy)]
pub enum Prefix {
Webkit,
@ -1431,6 +1441,36 @@ impl VisitMut for Prefixer {
}
}
}};
($property:expr, $value:expr) => {{
if should_prefix($property, self.env, true) {
// Check we don't have prefixed property
let name = DeclarationName::Ident(Ident {
span: DUMMY_SP,
value: $property.into(),
raw: None,
});
let value: Option<Box<dyn Fn() -> Vec<ComponentValue>>> = $value;
if let Some(value) = value {
self.added_declarations.push(Box::new(Declaration {
span: n.span,
name,
value: value(),
important: n.important.clone(),
}));
} else {
self.added_declarations.push(Box::new(Declaration {
span: n.span,
name,
value: n.value.clone(),
important: n.important.clone(),
}));
}
}
}};
}
let property_name = &*name.to_ascii_lowercase();
@ -1970,6 +2010,22 @@ impl VisitMut for Prefixer {
);
}
"opacity" if should_prefix("opacity", self.env, true) => {
let old_value = match n.value.get(0) {
Some(ComponentValue::Percentage(percentage)) => Some(percentage.value.value),
_ => None,
};
if let Some(old_value) = old_value {
let rounded_alpha = (old_value * 1000.0).round() / 100000.0;
add_declaration!(
"opacity",
Some(Box::new(|| { vec![to_number!(rounded_alpha)] }))
);
}
}
"order" => {
let old_spec_num = match n.value.get(0) {
Some(ComponentValue::Integer(integer)) => Some(integer.value + 1),

18
crates/swc_css_prefixer/tests/fixture/opacity/input.css Normal file
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@ -0,0 +1,18 @@
.class {
opacity: 0%;
opacity: 45%;
opacity: 0.45%;
opacity: 0.045%;
opacity: 0.00000000000045%;
opacity: 0.33%;
opacity: 0.3333333333%;
opacity: 99%;
opacity: 100%;
opacity: 120%;
opacity: 0.9999999999%;
}
.bar {
opacity: 0.3;
opacity: initial;
}

28
crates/swc_css_prefixer/tests/fixture/opacity/output.css Normal file
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@ -0,0 +1,28 @@
.class {
opacity: 0;
opacity: 0%;
opacity: 0.45;
opacity: 45%;
opacity: 0.0045;
opacity: 0.45%;
opacity: 0.00045;
opacity: 0.045%;
opacity: 0;
opacity: 0.00000000000045%;
opacity: 0.0033;
opacity: 0.33%;
opacity: 0.00333;
opacity: 0.3333333333%;
opacity: 0.99;
opacity: 99%;
opacity: 1;
opacity: 100%;
opacity: 1.2;
opacity: 120%;
opacity: 0.01;
opacity: 0.9999999999%;
}
.bar {
opacity: 0.3;
opacity: initial;
}

28
crates/swc_css_prefixer/tests/fixture/opacity/output.defaults-not-ie-11.css Normal file
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@ -0,0 +1,28 @@
.class {
opacity: 0;
opacity: 0%;
opacity: 0.45;
opacity: 45%;
opacity: 0.0045;
opacity: 0.45%;
opacity: 0.00045;
opacity: 0.045%;
opacity: 0;
opacity: 0.00000000000045%;
opacity: 0.0033;
opacity: 0.33%;
opacity: 0.00333;
opacity: 0.3333333333%;
opacity: 0.99;
opacity: 99%;
opacity: 1;
opacity: 100%;
opacity: 1.2;
opacity: 120%;
opacity: 0.01;
opacity: 0.9999999999%;
}
.bar {
opacity: 0.3;
opacity: initial;
}