basic cljs setup for doerg

doerg-parser/package.nix

@@ -0,0 +1,67 @@
+{ buildNpmPackage
+, mkCljBin
+, nodejs
+, importNpmLock
+, stdenv
+, clojure
+, clj-builder
+, mk-deps-cache
+, breakpointHook
+, makeWrapper
+, lib
+}:
+
+stdenv.mkDerivation (finalAttrs: {
+  name = "net.deertopia/doerg";
+  version = "0.1.0";
+  src = ./.;
+  nativeBuildInputs = [
+    # importNpmLock.npmConfigHook
+    clojure
+    clj-builder
+    breakpointHook
+    makeWrapper
+  ];
+  buildInputs = [
+    nodejs
+  ];
+  npmDeps = importNpmLock.buildNodeModules {
+    npmRoot = finalAttrs.src;
+    inherit nodejs;
+  };
+  depsCache = mk-deps-cache {
+    lockfile = finalAttrs.src + "/deps-lock.json";
+  };
+  buildPhase = ''
+    runHook preBuild
+
+    # Node dependencies.
+    ln -s $npmDeps/node_modules ./node_modules
+    mv package.json package.json.orig
+    mv package-lock.json package-lock.json.orig
+    cp $npmDeps/{package,package-lock}.json .
+
+    # Clojure dependencies.
+    export HOME="$depsCache"
+    export JAVA_TOOL_OPTIONS="-Duser.home=$depsCache"
+    export CLJ_CONFIG="$HOME/.clojure"
+    export CLJ_CACHE="$TMP/cp_cache"
+    export GITLIBS="$HOME/.gitlibs"
+
+    clj-builder --patch-git-sha $PWD
+
+    ./node_modules/.bin/shadow-cljs release app
+
+    runHook postBuild
+  '';
+  installPhase = ''
+    runHook preInstall
+    mkdir -p $out/bin $out/var
+    cp -r build/* $out/var
+    # chmod +x $out/bin/doerg
+    makeWrapper ${lib.getExe nodejs} $out/bin/doerg \
+      --add-flags $out/var/doerg/main.js \
+      --prefix NODE_PATH : $npmDeps/node_modules
+    runHook postInstall
+  '';
+})