flake.nix

{
  inputs = {
    nixpkgs = {
      type = "github";
      owner = "nixos";
      repo = "nixpkgs";
      ref = "nixos-unstable";
    };

    fenix = {
      type = "github";
      owner = "nix-community";
      repo = "fenix";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    flake-utils = {
      type = "github";
      owner = "numtide";
      repo = "flake-utils";
    };
  };

  outputs = {
    nixpkgs,
    fenix,
    flake-utils,
    ...
  }:
    flake-utils.lib.eachDefaultSystem (
      system: let
        pkgs = import nixpkgs {
          inherit system;
        };

        rustToolchain = with fenix.packages.${system}; combine [
          (complete.withComponents [
            "rustc"
            "cargo"
            "clippy"
            "rustfmt"
            "rust-src"
          ])
          targets."wasm32-unknown-unknown".latest.rust-std
        ];
      in {
        devShells.default = pkgs.mkShell {
          buildInputs = [
            rustToolchain
            pkgs.zlib
            pkgs.protobuf
            pkgs.python311
            pkgs.nodejs
            pkgs.yarn
          ];
        };

        formatter = pkgs.alejandra;
      }
    );
}