2024 day 19 part 1 but it actually finishes executing in javascript

2024/09/solution.js

@@ -1,8 +1,6 @@
 
 const input = (await Bun.file(Bun.argv[2]).text()).trim()
 
-// const input = "12345";
-
 const files = [];
 
 const spaces = [];

2024/19/solution.js

@@ -0,0 +1,15 @@
+
+const input = (await Bun.file(Bun.argv[2]).text()).trim()
+
+const [towels, desired] = input.split("\n\n")
+
+const regex = new RegExp(`^(${towels.split(", ").join("|")})+$`)
+
+const lines = desired.split("\n")
+
+let count = 0;
+for (const line of lines) {
+  if (regex.test(line)) {count ++}
+}
+console.log(count)
+

2024/19/solution.nix

@@ -1,4 +1,4 @@
-{input ? "", lib, ...}: let
+{input ? "", lib, pkgs, ...}: let
   inherit (builtins) elemAt filter length;
 
   exampleIn = lib.readFile ./example.txt;
@@ -8,7 +8,7 @@
     towels = elemAt parts 0 |> lib.splitString ", ";
     regex = ''(${builtins.concatStringsSep "|" towels})+'';
     desired = elemAt parts 1 |> lib.splitString "\n";
-    matches = desired |> map (lib.match regex);
+    matches = desired |> map (e: lib.traceSeq e (lib.match regex e));
   in {
     inherit towels regex desired matches;
     count = matches
@@ -16,11 +16,17 @@
       |> length;
   };
 
+  input-file = pkgs.writeText "input.txt" input;
+  bun-run = js-file: pkgs.runCommand "2024day9" {} ''
+    ${lib.getExe pkgs.bun} ${js-file} ${input-file} > $out
+  '' |> builtins.readFile |> lib.trim;
+
 in {
   example = mkSolution {
     text = exampleIn;
   };
-  real = mkSolution {
+  real = throw "lol this solution is wayy too slow for the real input";
-    text = input;
+  javascript = {
+    part1result = lib.trace "this is a dumb and slow solution" (bun-run ./solution.js);
   };
 }

2024/flake.lock

@@ -3,8 +3,8 @@
     "aoc-inputs": {
       "flake": false,
       "locked": {
-        "lastModified": 1734614378,
+        "lastModified": 1734622191,
-        "narHash": "sha256-vEsmquzc9r82OCVx2Q9WjdND7aOy39Oot3QDJcInhXk=",
+        "narHash": "sha256-kWDExTEeBuscWOZNBCMXAqZtNQT0SiQCjp43yEPRQ3g=",
         "path": "/tmp/aoc-inputs",
         "type": "path"
       },

2024/flake.nix

@@ -39,10 +39,6 @@
       input = (pkgs.lib.readFile "${aoc-inputs}/${id}");
     in {
       inherit solution;
-      example = solution example;
-      example2 = solution example2;
-      example3 = solution example3;
-      real = solution input;
       test = tix.run [
         ./${id}/solution.test.nix
       ];