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Disable transform optimizations #694

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merged 1 commit into from
Mar 7, 2024
Merged

Disable transform optimizations #694

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96 changes: 52 additions & 44 deletions src/lib.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -11552,14 +11552,16 @@ mod tests {
".foo { transform: matrix3d(1, 0, 0, 0, 0, 1, 6, 0, 0, 0, 1, 0, 50, 100, 0, 1.1)",
".foo{transform:matrix3d(1,0,0,0,0,1,6,0,0,0,1,0,50,100,0,1.1)}",
);
minify_test(
".foo{transform:translate(100px,200px) rotate(45deg) skew(10deg) scale(2)}",
".foo{transform:matrix(1.41421,1.41421,-1.16485,1.66358,100,200)}",
);
minify_test(
".foo{transform:translate(200px,300px) translate(100px,200px) scale(2)}",
".foo{transform:matrix(2,0,0,2,300,500)}",
);
// TODO: Re-enable with a better solution
// See: https://github.com/parcel-bundler/lightningcss/issues/288
// minify_test(
// ".foo{transform:translate(100px,200px) rotate(45deg) skew(10deg) scale(2)}",
// ".foo{transform:matrix(1.41421,1.41421,-1.16485,1.66358,100,200)}",
// );
// minify_test(
// ".foo{transform:translate(200px,300px) translate(100px,200px) scale(2)}",
// ".foo{transform:matrix(2,0,0,2,300,500)}",
// );
minify_test(
".foo{transform:translate(100px,200px) rotate(45deg)}",
".foo{transform:translate(100px,200px)rotate(45deg)}",
Expand All @@ -11568,34 +11570,36 @@ mod tests {
".foo{transform:rotate3d(1, 1, 1, 45deg) translate3d(100px, 100px, 10px)}",
".foo{transform:rotate3d(1,1,1,45deg)translate3d(100px,100px,10px)}",
);
minify_test(
".foo{transform:translate3d(100px, 100px, 10px) skew(10deg) scale3d(2, 3, 4)}",
".foo{transform:matrix3d(2,0,0,0,.528981,3,0,0,0,0,4,0,100,100,10,1)}",
);
minify_test(
".foo{transform:matrix3d(0.804737854124365, 0.5058793634016805, -0.31061721752604554, 0, -0.31061721752604554, 0.804737854124365, 0.5058793634016805, 0, 0.5058793634016805, -0.31061721752604554, 0.804737854124365, 0, 100, 100, 10, 1)}",
".foo{transform:translate3d(100px,100px,10px)rotate3d(1,1,1,45deg)}"
);
minify_test(
".foo{transform:matrix3d(1, 0, 0, 0, 0, 0.7071067811865476, 0.7071067811865475, 0, 0, -0.7071067811865475, 0.7071067811865476, 0, 100, 100, 10, 1)}",
".foo{transform:translate3d(100px,100px,10px)rotateX(45deg)}"
);
minify_test(
".foo{transform:translate3d(100px, 200px, 10px) translate(100px, 100px)}",
".foo{transform:translate3d(200px,300px,10px)}",
);
minify_test(
".foo{transform:rotate(45deg) rotate(45deg)}",
".foo{transform:rotate(90deg)}",
);
minify_test(
".foo{transform:matrix(0.7071067811865476, 0.7071067811865475, -0.7071067811865475, 0.7071067811865476, 100, 100)}",
".foo{transform:translate(100px,100px)rotate(45deg)}"
);
minify_test(
".foo{transform:translateX(2in) translateX(50px)}",
".foo{transform:translate(242px)}",
);
// TODO: Re-enable with a better solution
// See: https://github.com/parcel-bundler/lightningcss/issues/288
// minify_test(
// ".foo{transform:translate3d(100px, 100px, 10px) skew(10deg) scale3d(2, 3, 4)}",
// ".foo{transform:matrix3d(2,0,0,0,.528981,3,0,0,0,0,4,0,100,100,10,1)}",
// );
// minify_test(
// ".foo{transform:matrix3d(0.804737854124365, 0.5058793634016805, -0.31061721752604554, 0, -0.31061721752604554, 0.804737854124365, 0.5058793634016805, 0, 0.5058793634016805, -0.31061721752604554, 0.804737854124365, 0, 100, 100, 10, 1)}",
// ".foo{transform:translate3d(100px,100px,10px)rotate3d(1,1,1,45deg)}"
// );
// minify_test(
// ".foo{transform:matrix3d(1, 0, 0, 0, 0, 0.7071067811865476, 0.7071067811865475, 0, 0, -0.7071067811865475, 0.7071067811865476, 0, 100, 100, 10, 1)}",
// ".foo{transform:translate3d(100px,100px,10px)rotateX(45deg)}"
// );
// minify_test(
// ".foo{transform:translate3d(100px, 200px, 10px) translate(100px, 100px)}",
// ".foo{transform:translate3d(200px,300px,10px)}",
// );
// minify_test(
// ".foo{transform:rotate(45deg) rotate(45deg)}",
// ".foo{transform:rotate(90deg)}",
// );
// minify_test(
// ".foo{transform:matrix(0.7071067811865476, 0.7071067811865475, -0.7071067811865475, 0.7071067811865476, 100, 100)}",
// ".foo{transform:translate(100px,100px)rotate(45deg)}"
// );
// minify_test(
// ".foo{transform:translateX(2in) translateX(50px)}",
// ".foo{transform:translate(242px)}",
// );
minify_test(
".foo{transform:translateX(calc(2in + 50px))}",
".foo{transform:translate(242px)}",
Expand Down Expand Up @@ -11660,7 +11664,9 @@ mod tests {
minify_test(".foo { scale: 1 0 1 }", ".foo{scale:1 0}");
minify_test(".foo { scale: 1 0 0 }", ".foo{scale:1 0 0}");

minify_test(".foo { transform: scale(3); scale: 0.5 }", ".foo{transform:scale(1.5)}");
// TODO: Re-enable with a better solution
// See: https://github.com/parcel-bundler/lightningcss/issues/288
// minify_test(".foo { transform: scale(3); scale: 0.5 }", ".foo{transform:scale(1.5)}");
minify_test(".foo { scale: 0.5; transform: scale(3); }", ".foo{transform:scale(3)}");

prefix_test(
Expand Down Expand Up @@ -26076,13 +26082,15 @@ mod tests {
"@property --property-name{syntax:\"custom|<color>\";inherits:false;initial-value:#ff0}",
);

minify_test(r#"
@property --property-name {
syntax: '<transform-list>';
inherits: false;
initial-value: translate(200px,300px) translate(100px,200px) scale(2);
}
"#, "@property --property-name{syntax:\"<transform-list>\";inherits:false;initial-value:matrix(2,0,0,2,300,500)}");
// TODO: Re-enable with a better solution
// See: https://github.com/parcel-bundler/lightningcss/issues/288
// minify_test(r#"
// @property --property-name {
// syntax: '<transform-list>';
// inherits: false;
// initial-value: translate(200px,300px) translate(100px,200px) scale(2);
// }
// "#, "@property --property-name{syntax:\"<transform-list>\";inherits:false;initial-value:matrix(2,0,0,2,300,500)}");

minify_test(
r#"
Expand Down
124 changes: 70 additions & 54 deletions src/properties/transform.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -57,64 +57,80 @@ impl ToCss for TransformList {
return Ok(());
}

// TODO: Re-enable with a better solution
// See: https://github.com/parcel-bundler/lightningcss/issues/288
if dest.minify {
// Combine transforms into a single matrix.
if let Some(matrix) = self.to_matrix() {
// Generate based on the original transforms.
let mut base = String::new();
self.to_css_base(&mut Printer::new(
&mut base,
PrinterOptions {
minify: true,
..PrinterOptions::default()
},
))?;

// Decompose the matrix into transform functions if possible.
// If the resulting length is shorter than the original, use it.
if let Some(d) = matrix.decompose() {
let mut decomposed = String::new();
d.to_css_base(&mut Printer::new(
&mut decomposed,
PrinterOptions {
minify: true,
..PrinterOptions::default()
},
))?;
if decomposed.len() < base.len() {
base = decomposed;
}
}

// Also generate a matrix() or matrix3d() representation and compare that.
let mut mat = String::new();
if let Some(matrix) = matrix.to_matrix2d() {
Transform::Matrix(matrix).to_css(&mut Printer::new(
&mut mat,
PrinterOptions {
minify: true,
..PrinterOptions::default()
},
))?
} else {
Transform::Matrix3d(matrix).to_css(&mut Printer::new(
&mut mat,
PrinterOptions {
minify: true,
..PrinterOptions::default()
},
))?
}
let mut base = String::new();
self.to_css_base(&mut Printer::new(
&mut base,
PrinterOptions {
minify: true,
..PrinterOptions::default()
},
))?;

if mat.len() < base.len() {
dest.write_str(&mat)?;
} else {
dest.write_str(&base)?;
}
dest.write_str(&base)?;

return Ok(());
}
return Ok(());
}
// if dest.minify {
// // Combine transforms into a single matrix.
// if let Some(matrix) = self.to_matrix() {
// // Generate based on the original transforms.
// let mut base = String::new();
// self.to_css_base(&mut Printer::new(
// &mut base,
// PrinterOptions {
// minify: true,
// ..PrinterOptions::default()
// },
// ))?;
//
// // Decompose the matrix into transform functions if possible.
// // If the resulting length is shorter than the original, use it.
// if let Some(d) = matrix.decompose() {
// let mut decomposed = String::new();
// d.to_css_base(&mut Printer::new(
// &mut decomposed,
// PrinterOptions {
// minify: true,
// ..PrinterOptions::default()
// },
// ))?;
// if decomposed.len() < base.len() {
// base = decomposed;
// }
// }
//
// // Also generate a matrix() or matrix3d() representation and compare that.
// let mut mat = String::new();
// if let Some(matrix) = matrix.to_matrix2d() {
// Transform::Matrix(matrix).to_css(&mut Printer::new(
// &mut mat,
// PrinterOptions {
// minify: true,
// ..PrinterOptions::default()
// },
// ))?
// } else {
// Transform::Matrix3d(matrix).to_css(&mut Printer::new(
// &mut mat,
// PrinterOptions {
// minify: true,
// ..PrinterOptions::default()
// },
// ))?
// }
//
// if mat.len() < base.len() {
// dest.write_str(&mat)?;
// } else {
// dest.write_str(&base)?;
// }
//
// return Ok(());
// }
// }

self.to_css_base(dest)
}
Expand Down
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