proper scrolls

flake.nix

@@ -10,39 +10,19 @@
     flake-utils.lib.eachDefaultSystem (system:
       let
         pkgs = nixpkgs.legacyPackages.${system};
-        toDenoTarget = system:
-          let
-            arch = builtins.head (builtins.split "-" system);
-            os = builtins.elemAt (builtins.split "-" system) 1;
-            vendor = if os == "darwin" then "apple" else "unknown";
-            sys = if os == "darwin" then "darwin" else "linux-gnu";
-          in "${arch}-${vendor}-${sys}";
-
-        target = toDenoTarget system;
-        hjq = import ./shelf/hjq/package.nix {
-          inherit pkgs;
-          inherit target;
+        denoWorkspace = import ./shelf/deno-workspace.nix {
+          inherit pkgs system;
         };
       in
-      {
-        devShells.default = pkgs.mkShell {
-          buildInputs = with pkgs; [
-            deno
-            hjq
-          ];
-
-          shellHook = ''
-            echo "🦕 Deno development environment loaded!"
-            echo "Deno version: $(deno --version | head -n1)"
-          '';
-
-          DENO_DIR = "./.deno_cache";
-        };
-
-        # unfortunately this derivation is impure because
-        # managing deno's deps is HARD, so
-        # nix build --option sanbox relaxed
-        packages.default = hjq;
-
-      });
+        {
+          devShells.default = pkgs.mkShell {
+            buildInputs = [  ];
+            shellHook = ''
+              export DENO_DIR=$PWD/.deno_cache
+              rm -rf $DENO_DIR
+              cp -r ${denoWorkspace} $DENO_DIR
+              chmod -R u+w "$DENO_DIR"
+            '';
+          };
+        });
 }

shelf/deno-workspace.nix

@@ -0,0 +1,63 @@
+{ pkgs, system }:
+
+let
+  target =
+    let
+      arch = builtins.head (builtins.split "-" system);
+      os = builtins.elemAt (builtins.split "-" system) 1;
+      vendor = if os == "darwin" then "apple" else "unknown";
+      sys = if os == "darwin" then "darwin" else "linux-gnu";
+    in "${arch}-${vendor}-${sys}";
+
+  # currently unused, needed for deno compile
+  denort = pkgs.fetchzip {
+    url = "https://dl.deno.land/release/v${pkgs.deno.version}/denort-${target}.zip";
+    hash = "sha256-ukIk8K2CE+N+3eFs++RPiGZlhhRRVk1gjhdt77/s+4o=";
+  };
+  
+  scrollsDir = ./deno;
+  lib = pkgs.lib;
+  packageDirs = builtins.attrNames (builtins.readDir scrollsDir);
+  
+  # Separate FOD for cache only
+  unifiedCache = pkgs.stdenv.mkDerivation {
+    name = "deno-scrolls-cache";
+    src = scrollsDir;
+    
+    nativeBuildInputs = [ pkgs.deno pkgs.jq ];
+    dontPatchShebangs = true;
+
+    buildPhase = ''
+      export DENO_DIR=$out
+      
+      ${lib.concatStringsSep "\n" (map (pkg: 
+        let config = import (scrollsDir + "/${pkg}/scroll.nix");
+        in ''
+          echo "Caching ${pkg}..."
+          cd ${pkg}
+          ${config.cache-command}
+          cd ..
+        ''
+      ) packageDirs)}
+
+      echo 'Go fuck yourself, SQLite!'
+      find $out -name "*-wal" -delete
+      find $out -name "*-shm" -delete
+
+      echo 'Go fuck yourself, JSON!'
+      find $out/npm -name "*.json" -type f 2>/dev/null | while read -r file; do
+        if ${pkgs.jq}/bin/jq empty "$file" 2>/dev/null; then
+          ${pkgs.jq}/bin/jq -S . "$file" > "$file.tmp" && mv "$file.tmp" "$file"
+        fi
+      done
+    '';
+    
+    installPhase = "true";
+    
+    outputHashMode = "recursive";
+    outputHashAlgo = "sha256";
+    outputHash = "sha256-maP/JMY6n95A9FQx72YFwRtnprGXc97v1ZdPgt2GB8s=";
+  };
+  
+in
+unifiedCache

shelf/deno/hjq/deno.json

@@ -0,0 +1,10 @@
+{
+  "name": "hjq",
+  "exports": {
+    ".": "./main.ts"
+  },
+  "imports": {
+    "hjson": "npm:hjson@^3.2.2",
+    "jq-web": "npm:jq-web@^0.6.2"
+  }
+}

shelf/deno/hjq/deno.lock

@@ -0,0 +1,21 @@
+{
+  "version": "4",
+  "specifiers": {
+    "npm:hjson@^3.2.2": "3.2.2",
+    "npm:jq-web@~0.6.2": "0.6.2"
+  },
+  "npm": {
+    "hjson@3.2.2": {
+      "integrity": "sha512-MkUeB0cTIlppeSsndgESkfFD21T2nXPRaBStLtf3cAYA2bVEFdXlodZB0TukwZiobPD1Ksax5DK4RTZeaXCI3Q=="
+    },
+    "jq-web@0.6.2": {
+      "integrity": "sha512-+7XvjBYwTx4vP5PYkf6Q6orubO/v+UgMU6By1GritrmShr9QpT3UKa4ANzXWQfhdqtBnQYXsm7ZNbdIHT6tYpQ=="
+    }
+  },
+  "workspace": {
+    "dependencies": [
+      "npm:hjson@^3.2.2",
+      "npm:jq-web@~0.6.2"
+    ]
+  }
+}

shelf/deno/hjq/main.ts

@@ -1,10 +1,12 @@
 // 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 Hjson from "hjson";
+import jqModule from "jq-web";
 import fs from "node:fs";
 
+export const n = 42;
+
 const jq = await jqModule;
 
 var filter = process.argv[2];

shelf/deno/hjq/package.nix

@@ -22,6 +22,8 @@ pkgs.stdenv.mkDerivation rec {
     unzip ${denort}
     chmod +x denort
     popd
+
+    deno cache --reload main.ts
   '';
 
   buildPhase = ''
@@ -29,7 +31,7 @@ pkgs.stdenv.mkDerivation rec {
 
     export DENORT_BIN="$TMPDIR/denort/denort"
 
-    deno compile --target=${target} --output app main.ts
+    deno compile --target=${target} --cached-only --output app main.ts
     runHook postBuild
   '';
 

shelf/deno/hjq/scroll.nix

@@ -0,0 +1,3 @@
+{
+  cache-command = "deno cache --reload main.ts";
+}

shelf/deno/uses-hjq/deno.json

@@ -0,0 +1,8 @@
+{
+  "tasks": {
+    "start": "deno run --cached-only main.ts"
+  },
+  "patch": [
+    "../hjq"
+  ]
+}

shelf/deno/uses-hjq/deno.lock

@@ -0,0 +1,15 @@
+{
+  "version": "4",
+  "specifiers": {
+    "npm:hjson@^3.2.2": "3.2.2",
+    "npm:jq-web@~0.6.2": "0.6.2"
+  },
+  "npm": {
+    "hjson@3.2.2": {
+      "integrity": "sha512-MkUeB0cTIlppeSsndgESkfFD21T2nXPRaBStLtf3cAYA2bVEFdXlodZB0TukwZiobPD1Ksax5DK4RTZeaXCI3Q=="
+    },
+    "jq-web@0.6.2": {
+      "integrity": "sha512-+7XvjBYwTx4vP5PYkf6Q6orubO/v+UgMU6By1GritrmShr9QpT3UKa4ANzXWQfhdqtBnQYXsm7ZNbdIHT6tYpQ=="
+    }
+  }
+}

shelf/deno/uses-hjq/main.ts

@@ -0,0 +1,3 @@
+import {n} from 'hjq';
+
+console.log("I use hjq:", n);

shelf/deno/uses-hjq/scroll.nix

@@ -0,0 +1,3 @@
+{
+  cache-command = "deno cache -I --reload main.ts";
+}