NixOS + Playwright CLI demo

.envrc

use flake
PATH_add node_modules/.bin

.gitignore

.pnpm-store/
node_modules/
.playwright/cli.config.json
.playwright-cli/

flake.nix

{
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
  };

  outputs = { nixpkgs, ... }:
    let
      system = "x86_64-linux";
      pkgs = nixpkgs.legacyPackages.${system};
    in
    {
      devShells.${system}.default = pkgs.mkShell {
        packages = [
          pkgs.pnpm
          pkgs.nodejs
          pkgs.chromium
        ];

        shellHook = ''
          if [ ! -f .playwright/cli.config.json ]; then
            mkdir -p .playwright
            cat > .playwright/cli.config.json <<EOF
          {
            "browser": {
              "browserName": "chromium",
              "launchOptions": {
                "executablePath": "${pkgs.chromium}/bin/chromium",
                "chromiumSandbox": false
              }
            }
          }
          EOF
          fi
        '';
      };
    };
}

package.json

{
  "name": "nix-playwright-cli",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "keywords": [],
  "author": "",
  "license": "ISC",
  "packageManager": "pnpm@10.33.0",
  "dependencies": {
    "@playwright/cli": "^0.1.4"
  }
}