add hjq scroll

flake.nix

@@ -19,11 +19,16 @@
           in "${arch}-${vendor}-${sys}";
 
         target = toDenoTarget system;
+        hjq = import ./shelf/hjq/package.nix {
+          inherit pkgs;
+          inherit target;
+        };
       in
       {
         devShells.default = pkgs.mkShell {
           buildInputs = with pkgs; [
             deno
+            hjq
           ];
 
           shellHook = ''
@@ -37,20 +42,7 @@
         # unfortunately this derivation is impure because
         # managing deno's deps is HARD, so
         # nix build --option sanbox relaxed
-        packages.default = import ./package.nix {
-          inherit pkgs;
-          inherit target;
-
-          name = "test-grimu-r-deno-app";
-        };
-
-        apps.default = {
-          type = "app";
-          program = toString (pkgs.writeShellScript "run-deno-app" ''
-            export DENO_DIR="./.deno_cache"
-            exec ${pkgs.deno}/bin/deno run main.ts "$@"
-          '');
-        };
+        packages.default = hjq;
 
       });
 }

main.ts

@@ -1,2 +0,0 @@
-import jqModule from "npm:jq-web";
-console.log("I'M ALIVE");

shelf/hjq/main.ts

@@ -0,0 +1,44 @@
+// a basic drop-in replacement for jq to handle HJSON
+// tries to preserve comments but doesn't do a very good job :(
+
+import Hjson from "npm:hjson";
+import jqModule from "npm:jq-web";
+import fs from "node:fs";
+
+const jq = await jqModule;
+
+var filter = process.argv[2];
+if (!filter) {
+    filter = '.';
+}
+
+const input = fs.readFileSync(0, 'utf8');
+
+try {
+    const data = Hjson.parse(input, { keepWsc: true });
+
+    const result = jq.json(data, filter);
+
+    // Only try to preserve comments if the result is an object or array
+    if (result !== null && typeof result === 'object') {
+        // Extract comments before transformation
+        const comments = Hjson.comments.extract(data);
+
+        // Merge comments back into the transformed result
+        if (comments) {
+            Hjson.comments.merge(comments, result);
+        }
+
+        const output = Hjson.stringify(result, {
+            keepWsc: true,
+            bracesSameLine: true
+        });
+
+        console.log(output);
+    } else {
+        console.log(JSON.stringify(result));
+    }
+} catch (error) {
+    console.error(error);
+    process.exit(1);
+}

shelf/hjq/package.nix

@@ -1,6 +1,6 @@
-{ pkgs, target, name }:
+{ pkgs, target }:
 pkgs.stdenv.mkDerivation rec {
-  pname = name;
+  pname = "hjq";
   version = "0.1.0";
   src = ./.;
 
@@ -29,12 +29,12 @@ pkgs.stdenv.mkDerivation rec {
 
     export DENORT_BIN="$TMPDIR/denort/denort"
 
-    deno compile --output app main.ts --target=${target}
+    deno compile --target=${target} --output app main.ts
     runHook postBuild
   '';
 
   installPhase = ''
     mkdir -p $out/bin
-    cp app $out/bin/${name}
+    cp app $out/bin/${pname}
   '';
 }