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Use custom divide function to prevent Sass deprecation warnings #421

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merged 1 commit into from
Sep 7, 2021
Merged

Use custom divide function to prevent Sass deprecation warnings #421

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64 changes: 53 additions & 11 deletions scss.scss
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Original file line number Diff line number Diff line change
Expand Up @@ -49,23 +49,65 @@ $enable-responsive-font-sizes: true !default;
// Cache $rfs-base-font-size unit
$rfs-base-font-size-unit: unit($rfs-base-font-size);

@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;
}

// Remove px-unit from $rfs-base-font-size for calculations
@if $rfs-base-font-size-unit == "px" {
$rfs-base-font-size: $rfs-base-font-size / ($rfs-base-font-size * 0 + 1);
$rfs-base-font-size: divide($rfs-base-font-size, $rfs-base-font-size * 0 + 1);
}
@else if $rfs-base-font-size-unit == "rem" {
$rfs-base-font-size: $rfs-base-font-size / ($rfs-base-font-size * 0 + 1 / $rfs-rem-value);
$rfs-base-font-size: divide($rfs-base-font-size, divide($rfs-base-font-size * 0 + 1, $rfs-rem-value));
}

// Cache $rfs-breakpoint unit to prevent multiple calls
$rfs-breakpoint-unit-cache: unit($rfs-breakpoint);

// Remove unit from $rfs-breakpoint for calculations
@if $rfs-breakpoint-unit-cache == "px" {
$rfs-breakpoint: $rfs-breakpoint / ($rfs-breakpoint * 0 + 1);
$rfs-breakpoint: divide($rfs-breakpoint, $rfs-breakpoint * 0 + 1);
}
@else if $rfs-breakpoint-unit-cache == "rem" or $rfs-breakpoint-unit-cache == "em" {
$rfs-breakpoint: $rfs-breakpoint / ($rfs-breakpoint * 0 + 1 / $rfs-rem-value);
$rfs-breakpoint: divide($rfs-breakpoint, divide($rfs-breakpoint * 0 + 1, $rfs-rem-value));
}

// Internal mixin that adds disable classes to the selector if needed.
Expand Down Expand Up @@ -125,40 +167,40 @@ $rfs-breakpoint-unit-cache: unit($rfs-breakpoint);
@else {
// Remove unit from $fs for calculations
@if $fs-unit == "px" {
$fs: $fs / ($fs * 0 + 1);
$fs: divide($fs, $fs * 0 + 1);
}
@else if $fs-unit == "rem" {
$fs: $fs / ($fs * 0 + 1 / $rfs-rem-value);
$fs: divide($fs, divide($fs * 0 + 1, $rfs-rem-value));
}

// Set default font size
$rfs-static: if($rfs-font-size-unit == rem, #{$fs / $rfs-rem-value}rem, #{$fs}px);
$rfs-static: if($rfs-font-size-unit == rem, #{divide($fs, $rfs-rem-value)}rem, #{$fs}px);

// Only add the media query if the font size is bigger than the minimum font size
@if $fs <= $rfs-base-font-size or not $enable-responsive-font-sizes {
font-size: #{$rfs-static}#{$rfs-suffix};
}
@else {
// Calculate the minimum font size for $fs
$fs-min: $rfs-base-font-size + ($fs - $rfs-base-font-size) / $rfs-factor;
$fs-min: $rfs-base-font-size + divide($fs - $rfs-base-font-size, $rfs-factor);

// Calculate difference between $fs and the minimum font size
$fs-diff: $fs - $fs-min;

// Base font-size formatting
$min-width: if($rfs-font-size-unit == rem, #{$fs-min / $rfs-rem-value}rem, #{$fs-min}px);
$min-width: if($rfs-font-size-unit == rem, #{divide($fs-min, $rfs-rem-value)}rem, #{$fs-min}px);

// Use `vmin` if two-dimensional is enabled
$variable-unit: if($rfs-two-dimensional, vmin, vw);

// Calculate the variable width between 0 and $rfs-breakpoint
$variable-width: #{$fs-diff * 100 / $rfs-breakpoint}#{$variable-unit};
$variable-width: #{divide($fs-diff * 100, $rfs-breakpoint)}#{$variable-unit};

// Set the calculated font-size
$rfs-fluid: calc(#{$min-width} + #{$variable-width}) #{$rfs-suffix};

// Breakpoint formatting
$mq-value: if($rfs-breakpoint-unit == px, #{$rfs-breakpoint}px, #{$rfs-breakpoint / $rfs-rem-value}#{$rfs-breakpoint-unit});
$mq-value: if($rfs-breakpoint-unit == px, #{$rfs-breakpoint}px, #{divide($rfs-breakpoint, $rfs-rem-value)}#{$rfs-breakpoint-unit});

@include _rfs-disable-class {
font-size: #{$rfs-static}#{$rfs-suffix};
Expand Down