Generated by SassMeister.com.

input.scss

@use "sass:math";
@use "sass:map";

@function round-decimal($n: 0, $decimals: 1) {
    
    $precision: 1;

    @if $decimals > 0 {
        @for $i from 1 through $decimals {
            $precision: $precision * 10;
        }
    }
 
    $rounded: math.round($n * $precision) / $precision;
 
    @return $rounded;   
}


.foo {
    font-size: round-decimal(1.2345);
    font-size: round-decimal(1.2345, 0);
    font-size: round-decimal(1.2345, 1);
    font-size: round-decimal(1.2345, 2);
    font-size: round-decimal(1.2345, 3);
}

output.css

.foo {
  font-size: 1.2;
  font-size: 1;
  font-size: 1.2;
  font-size: 1.23;
  font-size: 1.235;
}

settings.json

{
  "sass": {
    "compiler": "dart-sass/1.32.12",
    "extensions": {},
    "syntax": "SCSS",
    "outputStyle": "expanded"
  },
  "autoprefixer": false
}