chore: routine maintenance

home/user/nvf/plugins/leetcode/default.nix

@@ -0,0 +1,72 @@
+{
+  lib,
+  config,
+  osConfig,
+  ...
+}:
+let
+  inherit (lib.generators) mkLuaInline;
+  inherit (osConfig.systemConf) username;
+  relativeDir = "projects/leetcode";
+  dataDir = "${config.home.homeDirectory}/${relativeDir}";
+in
+{
+  programs.nvf.settings.vim.utility.leetcode-nvim = {
+    enable = true;
+    setupOpts = {
+      image_support = true;
+      lang = "rust";
+      plugins.non_standalone = true;
+      storage.home = mkLuaInline ''"${dataDir}"'';
+      injector = mkLuaInline ''
+        {
+          ['rust'] = {
+            before = { '#[allow(dead_code)]', 'fn main() {}', '#[allow(dead_code)]', 'struct Solution;' },
+          }
+        }
+      '';
+      hooks."question_enter" = [
+        (mkLuaInline
+          # lua
+          ''
+            function (question)
+              if question.lang ~= 'rust' then
+                return
+              end
+
+              local config = require("leetcode.config")
+              local problem_dir = config.user.storage.home .. "/Cargo.toml"
+              local content = [[
+                [package]
+                name = "leetcode"
+                edition = "2024"
+
+                [lib]
+                name = "%s"
+                path = "%s"
+
+                [dependencies]
+                rand = "0.8"
+                regex = "1"
+                itertools = "0.14.0"
+              ]]
+
+              local file = io.open(problem_dir, "w")
+              if file then
+                local formatted = (content:gsub(" +", "")):format(question.q.frontend_id, question:path())
+                file:write(formatted)
+                file:close()
+              else
+                print("Failed to open file " .. problem_dir)
+              end
+            end
+          ''
+        )
+      ];
+    };
+  };
+
+  systemd.user.tmpfiles.rules = [
+    "d ${dataDir} 0744 ${username} users -"
+  ];
+}