flake.nix - mqtt-webui

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59 {
  description = "mqtt-webui";

  inputs = {
    flake-utils.url = "github:numtide/flake-utils";
    nixpkgs.url     = "github:NixOS/nixpkgs/nixos-22.11";
  };

  outputs = { self, nixpkgs, flake-utils }: {

    overlay = final: prev: {

      mqtt-webui = final.mkYarnPackage rec {
        name = "mqtt-webui";
        src  = self;

        packageJSON = ./package.json;
        yarnLock    = ./yarn.lock;
        yarnNix     = ./yarn.nix;
        doDist      = false;

        buildPhase   = ''
          export NODE_OPTIONS=--openssl-legacy-provider
          yarn build
        '';

        installPhase = ''
          mkdir -p $out
          cp -r deps/mqtt-webui/www/. $out
          rm $out/manifest.json
        '';
      };

    };

  } // (flake-utils.lib.eachDefaultSystem (system:
    let
      pkgs = import nixpkgs {
        inherit system;
        overlays = [ self.overlay ];
      };

    in rec {

      packages.default    = pkgs.mqtt-webui;
      packages.mqtt-webui = pkgs.mqtt-webui;

      devShells.default = pkgs.mkShell {
        nativeBuildInputs = [ pkgs.yarn pkgs.yarn2nix pkgs.caddy ];
        shellHook = ''
          export NODE_OPTIONS=--openssl-legacy-provider
          alias serve="yarn build && caddy run"
          alias generate-config="nix-instantiate --eval -E 'builtins.toJSON(import ./config.nix)' | jq '. | fromjson' > config.json"
        '';
      };

    }
  ));
}