lazy: init module

modules/wrapper/lazy/config.nix

@@ -0,0 +1,76 @@
+{
+  lib,
+  config,
+  ...
+}: let
+  inherit (builtins) toJSON typeOf head length tryEval filter;
+  inherit (lib.modules) mkIf;
+  inherit (lib.generators) mkLuaInline;
+  inherit (lib.strings) optionalString;
+  inherit (lib.nvim.lua) toLuaObject;
+  inherit (lib.nvim.dag) entryBefore;
+  cfg = config.vim.lazy;
+
+  toLuaLznKeySpec = keySpec:
+    (removeAttrs keySpec ["key" "lua" "action"])
+    // {
+      "@1" = keySpec.key;
+      "@2" =
+        if keySpec.lua
+        then mkLuaInline keySpec.action
+        else keySpec.action;
+    };
+
+  toLuaLznSpec = spec: let
+    name =
+      if typeOf spec.package == "string"
+      then spec.package
+      else if (spec.package ? pname && (tryEval spec.package.pname).success)
+      then spec.package.pname
+      else spec.package.name;
+  in
+    (removeAttrs spec ["package" "setupModule" "setupOpts" "keys"])
+    // {
+      "@1" = name;
+      before =
+        if spec.before != null
+        then
+          mkLuaInline ''
+            function()
+              ${spec.before}
+            end
+          ''
+        else null;
+
+      after =
+        if spec.setupModule == null && spec.after == null
+        then null
+        else
+          mkLuaInline ''
+            function()
+              ${
+              optionalString (spec.setupModule != null)
+              "require(${toJSON spec.setupModule}).setup(${toLuaObject spec.setupOpts})"
+            }
+              ${optionalString (spec.after != null) spec.after}
+            end
+          '';
+
+      keys =
+        if typeOf spec.keys == "list" && length spec.keys > 0 && typeOf (head spec.keys) == "set"
+        then map toLuaLznKeySpec (filter (keySpec: keySpec.key != null) spec.keys)
+        # empty list or str or (listOf str)
+        else spec.keys;
+    };
+  lznSpecs = map toLuaLznSpec cfg.plugins;
+in {
+  config.vim = mkIf cfg.enable {
+    startPlugins = ["lz-n" "lzn-auto-require"];
+
+    optPlugins = map (plugin: plugin.package) cfg.plugins;
+
+    luaConfigRC.lzn-load = entryBefore ["pluginConfigs"] ''
+      require('lz.n').load(${toLuaObject lznSpecs})
+    '';
+  };
+}