Generated by SassMeister.com.

input.scss

// PACKAGE

@use 'sass:map';
@use 'sass:string';
@use 'sass:math';

$name: 'Open Sans';
$suffix: 'Variable';
$identifier: 'open-sans';
$formats: ('woff', 'woff2');
$directory: '~@fontsource/#{$identifier}/files';

$characters: (
        cyrillic-ext: (
                U+0460-052F,
                U+1C80-1C88,
                U+20B4,
                U+2DE0-2DFF,
                U+A640-A69F,
                U+FE2E-FE2F,
        ),
        cyrillic: (
                U+0400-045F,
                U+0490-0491,
                U+04B0-04B1,
                U+2116,
        ),
        greek-ext: (
                U+1F00-1FFF,
        ),
        greek: (
                U+0370-03FF,
        ),
        hebrew: (
                U+0590-05FF,
                U+20AA,
                U+25CC,
                U+FB1D-FB4F,
        ),
        vietnamese: (
                U+0102-0103,
                U+0110-0111,
                U+0128-0129,
                U+0168-0169,
                U+01A0-01A1,
                U+01AF-01B0,
                U+1EA0-1EF9,
                U+20AB,
        ),
        latin-ext: (
                U+0100-024F,
                U+0259,
                U+1E00-1EFF,
                U+2020,
                U+20A0-20AB,
                U+20AD-20CF,
                U+2113,
                U+2C60-2C7F,
                U+A720-A7FF,
        ),
        latin: (
                U+0000-00FF,
                U+0131,
                U+0152-0153,
                U+02BB-02BC,
                U+02C6,
                U+02DA,
                U+02DC,
                U+2000-206F,
                U+2074,
                U+20AC,
                U+2122,
                U+2191,
                U+2193,
                U+2212,
                U+2215,
                U+FEFF,
                U+FFFD,
        ),
);

$axes: (
        ital: (
                default: 0,
                min: 0,
                max: 1,
                step: 1,
        ),
        wdth: (
                default: 100,
                min: 75,
                max: 100,
                step: 0.1,
        ),
        wght: (
                default: 400,
                min: 300,
                max: 800,
                step: 1,
        ),
);

@mixin face(
  $name: $name, // font-family
  $weight: 400, // font-weight
  $style: normal, // font-style
  $stretch: null, // font-stretch
  $display: null, // font-display
  $variant: null, // variable font variant
  $subsets: map.keys($characters), // character subsets
) {
  @each $subset in $subsets {
    @font-face {
      font-family: string.quote($name);
      font-weight: $weight;
      font-style: $style;
      font-stretch: $stretch;
      font-display: $display;

      @if map.has-key($characters, $subset) {
        unicode-range: map.get($characters, $subset);
      }

      src:
        url('#{$directory}/#{$identifier}-#{$subset}-#{$weight}-#{$style}.woff2') format('woff2'),
        url('#{$directory}/#{$identifier}-all-#{$weight}-#{$style}.woff') format('woff');
    }

    @if $variant {
        @font-face {
          font-family: string.quote(#{$name $suffix});
          font-weight: $weight;
          font-style: $style;
          font-display: $display;

          @if $variant == all {
              font-stretch: math.percentage(map.get($axes, wdth, min) / 100) math.percentage(map.get($axes, wdth, max) / 100);
          }
    
          @if map.has-key($characters, $subset) {
            unicode-range: map.get($characters, $subset);
          }
    
          src:
            url('#{$directory}/#{$identifier}-#{$subset}-variable-#{$variant}-#{$style}.woff2') format('woff2');
        }
    }
  }
}

// USAGE

@include face(
    $weight: 300,
    $style: normal,
);

@include face(
    $weight: 500,
    $style: italic,
    $variant: all,
    $subsets: (latin, latin-ext, hebrew),
);

output.css

@font-face {
  font-family: "Open Sans";
  font-weight: 300;
  font-style: normal;
  unicode-range: U+0460-052F, U+1C80-1C88, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
  src: url("~@fontsource/open-sans/files/open-sans-cyrillic-ext-300-normal.woff2") format("woff2"), url("~@fontsource/open-sans/files/open-sans-all-300-normal.woff") format("woff");
}
@font-face {
  font-family: "Open Sans";
  font-weight: 300;
  font-style: normal;
  unicode-range: U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
  src: url("~@fontsource/open-sans/files/open-sans-cyrillic-300-normal.woff2") format("woff2"), url("~@fontsource/open-sans/files/open-sans-all-300-normal.woff") format("woff");
}
@font-face {
  font-family: "Open Sans";
  font-weight: 300;
  font-style: normal;
  unicode-range: U+1F00-1FFF;
  src: url("~@fontsource/open-sans/files/open-sans-greek-ext-300-normal.woff2") format("woff2"), url("~@fontsource/open-sans/files/open-sans-all-300-normal.woff") format("woff");
}
@font-face {
  font-family: "Open Sans";
  font-weight: 300;
  font-style: normal;
  unicode-range: U+0370-03FF;
  src: url("~@fontsource/open-sans/files/open-sans-greek-300-normal.woff2") format("woff2"), url("~@fontsource/open-sans/files/open-sans-all-300-normal.woff") format("woff");
}
@font-face {
  font-family: "Open Sans";
  font-weight: 300;
  font-style: normal;
  unicode-range: U+0590-05FF, U+20AA, U+25CC, U+FB1D-FB4F;
  src: url("~@fontsource/open-sans/files/open-sans-hebrew-300-normal.woff2") format("woff2"), url("~@fontsource/open-sans/files/open-sans-all-300-normal.woff") format("woff");
}
@font-face {
  font-family: "Open Sans";
  font-weight: 300;
  font-style: normal;
  unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+1EA0-1EF9, U+20AB;
  src: url("~@fontsource/open-sans/files/open-sans-vietnamese-300-normal.woff2") format("woff2"), url("~@fontsource/open-sans/files/open-sans-all-300-normal.woff") format("woff");
}
@font-face {
  font-family: "Open Sans";
  font-weight: 300;
  font-style: normal;
  unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
  src: url("~@fontsource/open-sans/files/open-sans-latin-ext-300-normal.woff2") format("woff2"), url("~@fontsource/open-sans/files/open-sans-all-300-normal.woff") format("woff");
}
@font-face {
  font-family: "Open Sans";
  font-weight: 300;
  font-style: normal;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
  src: url("~@fontsource/open-sans/files/open-sans-latin-300-normal.woff2") format("woff2"), url("~@fontsource/open-sans/files/open-sans-all-300-normal.woff") format("woff");
}
@font-face {
  font-family: "Open Sans";
  font-weight: 500;
  font-style: italic;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
  src: url("~@fontsource/open-sans/files/open-sans-latin-500-italic.woff2") format("woff2"), url("~@fontsource/open-sans/files/open-sans-all-500-italic.woff") format("woff");
}
@font-face {
  font-family: "Open Sans Variable";
  font-weight: 500;
  font-style: italic;
  font-stretch: 75% 100%;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
  src: url("~@fontsource/open-sans/files/open-sans-latin-variable-all-italic.woff2") format("woff2");
}
@font-face {
  font-family: "Open Sans";
  font-weight: 500;
  font-style: italic;
  unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
  src: url("~@fontsource/open-sans/files/open-sans-latin-ext-500-italic.woff2") format("woff2"), url("~@fontsource/open-sans/files/open-sans-all-500-italic.woff") format("woff");
}
@font-face {
  font-family: "Open Sans Variable";
  font-weight: 500;
  font-style: italic;
  font-stretch: 75% 100%;
  unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
  src: url("~@fontsource/open-sans/files/open-sans-latin-ext-variable-all-italic.woff2") format("woff2");
}
@font-face {
  font-family: "Open Sans";
  font-weight: 500;
  font-style: italic;
  unicode-range: U+0590-05FF, U+20AA, U+25CC, U+FB1D-FB4F;
  src: url("~@fontsource/open-sans/files/open-sans-hebrew-500-italic.woff2") format("woff2"), url("~@fontsource/open-sans/files/open-sans-all-500-italic.woff") format("woff");
}
@font-face {
  font-family: "Open Sans Variable";
  font-weight: 500;
  font-style: italic;
  font-stretch: 75% 100%;
  unicode-range: U+0590-05FF, U+20AA, U+25CC, U+FB1D-FB4F;
  src: url("~@fontsource/open-sans/files/open-sans-hebrew-variable-all-italic.woff2") format("woff2");
}

settings.json

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