Node.js 16 Nix

flake.nix

{
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/release-23.11";
    nixpkgsOld.url = "github:NixOS/nixpkgs/release-23.05";
    nixpkgsUnstable.url = "github:NixOS/nixpkgs/nixos-unstable";
    flake-utils.url = "github:numtide/flake-utils";
  };

  outputs = { self, nixpkgs, nixpkgsOld, nixpkgsUnstable, flake-utils }:
    flake-utils.lib.eachDefaultSystem (system:
      let
        pkgs = nixpkgs.legacyPackages.${system};
        # pkgsOld = nixpkgsOld.legacyPackages.${system};
        pkgsOld = import nixpkgsOld { 
          inherit system;
          config.permittedInsecurePackages = [
            # TODO: Node 16 is EOL. We should get the importer working on modern Node.
            "nodejs-16.20.2"
          ];
        };
        pkgsUnstable = import nixpkgsUnstable { inherit system; };
        corepack = pkgs.runCommand "corepack-enable" {} ''
          mkdir -p $out/bin
          ${pkgsOld.nodejs_16}/bin/corepack enable --install-directory $out/bin
        '';
      in
      {
        # use `corepack prepare pnpm@latest --activate` to update pnpm
        devShell = with pkgs; pkgs.mkShell {
          buildInputs = [
            pkgsOld.nodejs_16
            
            corepack
          ];

          # See version https://github.com/NixOS/nixpkgs/blob/nixos-unstable/pkgs/development/web/playwright/driver.nix#L33
          PLAYWRIGHT_BROWSERS_PATH = pkgsUnstable.playwright-driver.browsers;
        };


      });
}