antora-lunr-extension: init at 1.0.0-alpha.8

Link: https://github.com/NixOS/nixpkgs/pull/332341

pkgs/by-name/an/antora-lunr-extension/package.nix

···
+{
+  antora,
+  buildNpmPackage,
+  fetchFromGitLab,
+  lib,
+  nix-update-script,
+}:
+buildNpmPackage rec {
+  pname = "antora-lunr-extension";
+  version = "1.0.0-alpha.8";
+
+  src = fetchFromGitLab {
+    hash = "sha256-GplCwhUl8jurD4FfO6/T3Vo1WFjg+rtAjWeIh35unk4=";
+    owner = "antora";
+    repo = pname;
+    rev = "v${version}";
+  };
+
+  npmDepsHash = "sha256-EtjZL6U/uSGSYSqtuatCkdWP0NHxRuht13D9OaM4x00=";
+
+  # Prevent tests from failing because they are fetching data at runtime.
+  postPatch = ''
+    substituteInPlace package.json --replace '"_mocha"' '""'
+  '';
+
+  # Pointing $out to $out/lib/node_modules/@antora/lunr-extension simplifies
+  # Antora's extension option usage from
+  #
+  #     --extension ${pkgs.antora-lunr-extension}/lib/node_modules/@antora/lunr-extension
+  #
+  # to
+  #
+  #     --extension ${pkgs.antora-lunr-extension}
+  postInstall = ''
+    directory="$(mktemp --directory)"
+
+    mv "$out/"{.,}* "$directory"
+    mv "$directory/lib/node_modules/@antora/lunr-extension/"{.,}* "$out"
+  '';
+
+  passthru = {
+    tests.run = antora.tests.run.override {
+      antora-lunr-extension-test = true;
+    };
+
+    updateScript = nix-update-script { };
+  };
+
+  meta = {
+    description = "Antora extension adding offline, full-text search powered by Lunr";
+    homepage = "https://gitlab.com/antora/antora-lunr-extension";
+    license = lib.licenses.mpl20;
+
+    longDescription = ''
+      This Antora extension is intended to be passed to `antora`'s `--extension`
+      flag or injected into the [`antora.extensions`
+      key](https://docs.antora.org/antora/3.1/extend/enable-extension).
+    '';
+
+    maintainers = [ lib.maintainers.naho ];
+    platforms = lib.platforms.all;
+  };
+}

pkgs/by-name/an/antora/test/default.nix

···
 {
   antora,
+  antora-lunr-extension,
+  antora-lunr-extension-test ? false,
   antora-ui-default,
   gitMinimal,
   lib,
   stdenvNoCC,
 }:
 stdenvNoCC.mkDerivation {
-  name = "${antora.pname}-test";
+  name = "${antora.pname}${lib.optionalString antora-lunr-extension-test "-${antora-lunr-extension.pname}"}-test";
   src = ./minimal_working_example;
 
   postPatch =
···
       antora ${
         lib.cli.toGNUCommandLineShell { } {
           cache-dir = "$(mktemp --directory)";
+          extension = if antora-lunr-extension-test then antora-lunr-extension else false;
           to-dir = placeholder "out";
           ui-bundle-url = "${antora-ui-default}/ui-bundle.zip";
         }