nichts/modules/style/fonts.nix

{pkgs, ...}: let
  inherit (builtins) mapAttrs;
  valiosevka = pkgs.iosevka.override {
    privateBuildPlan = {
      family = "valiosevka";
      spacing = "normal";
      serifs = "sans";
      noCvSs = true;
      exportGlyphNames = false;

      ligations.inherits = "dlig";
      variants = {
        inherits = "ss15";
        design = {
          e = "flat-crossbar";
          f = "diagonal-tailed-crossbar-at-x-height";
        };
      };
    };
    set = "Fancy";
  };
in {
  # A (somewhat) sane list of fonts to be installed.
  fonts = {
    fontconfig = {
      # Whether to enable fontconfig configuration. This will, for
      # example, allow fontconfig to discover fonts and configurations
      # installed through home.packages and nix-env.
      enable = true;

      # Enable font antialiasing.
      antialias = true;

      #  Enable font hinting. Hinting aligns glyphs to pixel boundaries
      # to improve rendering sharpness at low resolution.
      hinting.enable = true;

      # Set the defalt fonts. This was taken from raf,
      # many thanks.
      defaultFonts = let
        common = [
          "Iosevka Nerd Font"
          "Roboto Mono Nerd Font"
          "Fira Code Nerd Font"
          "Symbols Nerd Font"
          "Noto Color Emoji"
        ];
      in
        mapAttrs (_: fonts: fonts ++ common) {
          serif = ["Noto Serif"];
          sansSerif = ["Lexend"];
          emoji = ["Noto Color Emoji"];
          monospace = ["Iosevka Nerd Font"];
        };
    };
    packages = builtins.attrValues {
      inherit
        (pkgs)
        material-icons
        material-design-icons
        papirus-icon-theme
        lexend
        noto-fonts
        noto-fonts-cjk-sans
        noto-fonts-cjk-serif
        noto-fonts-color-emoji
        corefonts
        font-awesome
        ;
      inherit
        (pkgs.nerd-fonts)
        iosevka
        jetbrains-mono
        comic-shanns-mono
        symbols-only
        ;
      inherit valiosevka;
    };
    fontDir = {
      # Whether to create a directory with links to all fonts in
      # /run/current-system/sw/share/X11/fonts
      enable = true;

      # Whether to decompress fonts in
      # /run/current-system/sw/share/X11/fonts
      decompressFonts = true;
    };
  };
}