swc_css_minifier/compressor/
angle.rs

1use swc_atoms::atom;
2use swc_css_ast::*;
3use swc_css_utils::angle_to_deg;
4
5use super::Compressor;
6
7impl Compressor {
8    pub(super) fn compress_angle_in_component_value(
9        &mut self,
10        component_value: &mut ComponentValue,
11    ) {
12        if !self.ctx.in_transform_function {
13            return;
14        }
15
16        if let Some(span) = component_value
17            .as_dimension()
18            .and_then(|dimension| dimension.as_angle())
19            .filter(|angle| angle.value.value == 0.0)
20            .map(|angle| angle.span)
21        {
22            *component_value = ComponentValue::Number(Box::new(Number {
23                span,
24                value: 0.0,
25                raw: None,
26            }));
27        }
28    }
29
30    pub(super) fn compress_angle(&mut self, angle: &mut Angle) {
31        if self.ctx.in_keyframe_block {
32            return;
33        }
34
35        let deg = angle_to_deg(angle.value.value, &angle.unit.value);
36
37        if deg.fract() != 0.0 {
38            return;
39        }
40
41        angle.value = Number {
42            value: deg,
43            raw: None,
44            span: angle.span,
45        };
46
47        angle.unit = Ident {
48            span: angle.unit.span,
49            value: atom!("deg"),
50            raw: None,
51        };
52    }
53}
swc_css_minifier/compressor/angle.rs

swc_css_minifier/compressor/
angle.rs
