fix: npm published version not running

.github/workflows/release.yml

@@ -25,9 +25,9 @@ jobs:
           name: klarkc
           authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
       - run: |
-          nix build
+          nix build .#npm
           mkdir -p dist
-          cp result/bin/purs-eval dist
+          cp result dist/purs-eval
         if: ${{ steps.release.outputs.release_created }}
       - uses: actions/setup-node@v4
         if: ${{ steps.release.outputs.release_created }}

flake.nix

@@ -71,9 +71,16 @@
             };
 
           packages =
-            with ps;
             {
               default = app { inherit name; };
+              # npm version does not publish a nix-store path
+              npm = pkgs.runCommand
+                "purs-eval-npm"
+                {}
+                ''
+                  echo "#!/usr/bin/env node" > $out
+                  tail -n +2 ${packages.default}/bin/purs-eval >> $out
+                '';
             };
 
           checks.test = test.check { };