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Replace Sass division with multiplication and custom divide() function

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Fixes #34353.

Co-Authored-By: Slaven Tomac <slaventomac@gmail.com>
This commit is contained in:
Mark Otto
2021-07-25 10:19:02 -07:00
committed by XhmikosR
parent b010a6f9f4
commit 8dec3d0a34
18 changed files with 105 additions and 63 deletions
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scss/_functions.scss
+43 -1
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@@ -75,7 +75,7 @@
$g: green($color);
$b: blue($color);
$yiq: (($r * 299) + ($g * 587) + ($b * 114)) / 1000;
$yiq: (($r * 299) + ($g * 587) + ($b * 114)) * .001;
@if ($yiq >= $yiq-contrasted-threshold) {
@return $dark;
@@ -158,3 +158,45 @@
@return if($return-calc == true, calc(#{$value1} - #{$value2}), $value1 + unquote(" - ") + $value2);
}
@function divide($dividend, $divisor, $precision: 10) {
$sign: if($dividend > 0 and $divisor > 0 or $dividend < 0 and $divisor < 0, 1, -1);
$dividend: abs($dividend);
$divisor: abs($divisor);
@if $dividend == 0 {
@return 0;
}
@if $divisor == 0 {
@error "Cannot divide by 0";
}
$remainder: $dividend;
$result: 0;
$factor: 10;
@while ($remainder > 0 and $precision >= 0) {
$quotient: 0;
@while ($remainder >= $divisor) {
$remainder: $remainder - $divisor;
$quotient: $quotient + 1;
}
$result: $result * 10 + $quotient;
$factor: $factor * .1;
$remainder: $remainder * 10;
$precision: $precision - 1;
@if ($precision < 0 and $remainder >= $divisor * 5) {
$result: $result + 1;
}
}
$result: $result * $factor * $sign;
$dividend-unit: unit($dividend);
$divisor-unit: unit($divisor);
$unit-map: (
"px": 1px,
"rem": 1rem,
"em": 1em,
"%": 1%
);
@if ($dividend-unit != $divisor-unit and map-has-key($unit-map, $dividend-unit)) {
$result: $result * map-get($unit-map, $dividend-unit);
}
@return $result;
}