flake.nix

{
  description = "Node.js env.nix flake";
  inputs.nixpkgs.url = "github:NixOS/nixpkgs/master";
  inputs.flake-utils.url = "github:numtide/flake-utils";

  outputs = { self, nixpkgs, flake-utils }:
    flake-utils.lib.eachDefaultSystem (system: let
      pkgs = nixpkgs.legacyPackages.${system};
      node16Pkgs = import nixpkgs {
        inherit system;
        # config = { allowUnfree = true; };
        overlays = [(final: prev: { nodejs = prev.nodejs-16_x; })];
      };
    in {
      devShell = pkgs.mkShell {
        nativeBuildInputs = [ pkgs.bashInteractive ];
        buildInputs = [
          node16Pkgs.nodejs
          node16Pkgs.nodePackages.prisma
          node16Pkgs.yarn
          node16Pkgs.nodePackages.pnpm
          # pkgs.nodePackages.mermaid-cli
          # pkgs.sqlite
          
        ];
        shellHook = with pkgs; ''
          export PRISMA_MIGRATION_ENGINE_BINARY="${prisma-engines}/bin/migration-engine"
          export PRISMA_QUERY_ENGINE_BINARY="${prisma-engines}/bin/query-engine"
          export PRISMA_QUERY_ENGINE_LIBRARY="${prisma-engines}/lib/libquery_engine.node"
          export PRISMA_INTROSPECTION_ENGINE_BINARY="${prisma-engines}/bin/introspection-engine"
          export PRISMA_FMT_BINARY="${prisma-engines}/bin/prisma-fmt"
          export PUPPETEER_EXECUTABLE_PATH="${pkgs.chromium}/bin/chromium"
        '';
      };
    });
}