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style: Serialize percentages first in specified calc() expressions.

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This commit is contained in:
Emilio Cobos Álvarez 2017-08-17 21:38:16 +02:00
parent f8a6eccda2
commit e05c673df3
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1 changed files with 7 additions and 5 deletions
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12
components/style/values/specified/calc.rs
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@ -125,6 +125,13 @@ impl ToCss for CalcLengthOrPercentage {
dest.write_str("calc(")?;
// NOTE(emilio): Percentages first because of web-compat problems, see:
// https://github.com/w3c/csswg-drafts/issues/1731
if let Some(val) = self.percentage {
first_value_check!(val.0);
val.abs().to_css(dest)?;
}
// NOTE(emilio): The order here it's very intentional, and alphabetic
// per the spec linked above.
serialize!(ch, em, ex);
@ -143,11 +150,6 @@ impl ToCss for CalcLengthOrPercentage {
serialize!(rem, vh, vmax, vmin, vw);
if let Some(val) = self.percentage {
first_value_check!(val.0);
val.abs().to_css(dest)?;
}
dest.write_str(")")
}
}