diagnostics/nvim-lint: rough initial implementation

modules/plugins/diagnostics/nvim-lint/config.nix

@@ -12,9 +12,31 @@ in {
   config = mkIf cfg.enable {
     vim = {
       startPlugins = ["nvim-lint"];
-      pluginRC.nvim-lint = entryAnywhere ''
-        require("lint").setup(${toLuaObject cfg.setupOpts})
-      '';
+      pluginRC.nvim-lint = let
+        mappedLinters =
+          lib.concatMapAttrsStringSep "\n" (name: value: ''
+            local linter_${name} = lint.linters.${name}
+            linter_${name}.args = ${toLuaObject value}
+          '')
+          cfg.configuredLinters;
+      in
+        entryAnywhere ''
+          local lint = require("lint")
+          ${mappedLinters}
+          lint.linters_by_ft = ${toLuaObject cfg.setupOpts.linters_by_ft};
+
+          -- TODO: one way of doing this dynamically is to use take required
+          -- parameters like fts, commands, arguments and everything expected
+          -- by nvim-lint to simply construct multiple autocommands. nvim-lint
+          -- doesn't seem to be able to handle that by itself.
+          vim.api.nvim_create_autocmd({ "BufWritePost" }, {
+            callback = function()
+              -- try_lint without arguments runs the linters defined in `linters_by_ft`
+              -- for the current filetype
+              require("lint").try_lint()
+            end,
+          })
+        '';
     };
   };
 }

modules/plugins/diagnostics/nvim-lint/nvim-lint.nix

@@ -1,14 +1,21 @@
 {lib, ...}: let
   inherit (lib.options) mkOption mkEnableOption;
-  inherit (lib.types) attrsOf listOf str;
+  inherit (lib.types) attrsOf listOf str anything;
   inherit (lib.nvim.types) mkPluginSetupOption;
 in {
   options.vim.diagnostics.nvim-lint = {
     enable = mkEnableOption "asynchronous linter plugin for Neovim [nvim-lint]";
+
+    configuredLinters = mkOption {
+      type = attrsOf anything;
+      default = {};
+      description = "";
+    };
+
     setupOpts = mkPluginSetupOption "nvim-lint" {
       linters_by_ft = mkOption {
         type = attrsOf (listOf str);
-        default = {};
+        default = {markdown = ["value"];};
         example = {
           text = ["vale"];
           markdown = ["vale"];