init

config/plugins/lsp/conform-nvim.nix

@@ -0,0 +1,152 @@
+{
+  lib,
+  config,
+  helpers,
+  pkgs,
+  ...
+}:
+let
+  inherit (helpers) mkRaw;
+in
+{
+  plugins = {
+    # https://github.com/stevearc/conform.nvim/
+    # Preserves extmarks and folds
+    # Fixes bad-behaving LSP formatters
+    # Enables range formatting for all formatters
+    # And more
+    conform-nvim = {
+      enable = lib.mkIf config.plugins.lsp.enable true;
+      settings = {
+        formatters_by_ft = {
+          perl = [ "perltidy" ];
+          # nix = ["nixfmt" "alejandra"];
+          nix = [ "nixfmt" ];
+          sh = [
+            "shellcheck"
+            "shellharden"
+            "shfmt"
+          ];
+          bash = [
+            "shellcheck"
+            "shellharden"
+            "shfmt"
+          ];
+          cpp = [ "clang_format" ];
+          javascript = {
+            __unkeyed-1 = "prettierd";
+            __unkeyed-2 = "prettier";
+            timeout_ms = 2000;
+            stop_after_first = true;
+          };
+          lua = [ "stylua" ];
+          # -- Conform will run multiple formatters sequentially
+          python = [
+            "isort"
+            "black"
+          ];
+          # -- You can customize some of the format options for the filetype (:help conform.format)
+          rust = {
+            _unkeyed-1 = "rustfmt";
+            lsp_format = "fallback";
+          };
+          tex = [ "latexindent" ];
+          # Use the "_" filetype to run formatters on filetypes that don't
+          # have other formatters configured.
+          "_" = [
+            "squeeze_blanks"
+            "trim_whitespace"
+            "trim_newlines"
+          ];
+        };
+        # format_on_save =
+        #   # Lua
+        #   ''
+        #     function(bufnr)
+        #       if vim.g.disable_autoformat or vim.b[bufnr].disable_autoformat then
+        #         return
+        #       end
+        #
+        #       if slow_format_filetypes[vim.bo[bufnr].filetype] then
+        #         return
+        #       end
+        #
+        #       local function on_format(err)
+        #         if err and err:match("timeout$") then
+        #           slow_format_filetypes[vim.bo[bufnr].filetype] = true
+        #         end
+        #       end
+        #
+        #       return { timeout_ms = 200, lsp_fallback = true }, on_format
+        #      end
+        #   '';
+        # format_after_save =
+        #   # Lua
+        #   ''
+        #     function(bufnr)
+        #       if vim.g.disable_autoformat or vim.b[bufnr].disable_autoformat then
+        #         return
+        #       end
+        #
+        #       if not slow_format_filetypes[vim.bo[bufnr].filetype] then
+        #         return
+        #       end
+        #
+        #       return { lsp_fallback = true }
+        #     end
+        #   '';
+        log_level = "warn";
+        notify_on_error = true;
+        notify_no_formatters = true;
+        formatters = {
+          perltidy = {
+            command = lib.getExe pkgs.perlPackages.PerlTidy;
+            prepend_args = [ "-i=2" ]; # default 4 spaces
+          };
+          shfmt = {
+            command = lib.getExe pkgs.shfmt;
+          };
+          shellcheck = {
+            command = lib.getExe pkgs.shellcheck;
+          };
+          shellharden = {
+            command = lib.getExe pkgs.shellharden;
+          };
+          squeeze_blanks = {
+            command = lib.getExe' pkgs.coreutils "cat";
+          };
+          latexindent = {
+            command = lib.getExe' pkgs.texlivePackages.latexindent "latexindent";
+            # latexindent always produce indent.log in the current directory. It cannot be disabled in indentconfig.yaml
+            # This flag redirect it to /dev/null
+            prepend_args = [
+              "-g"
+              "/dev/null"
+            ];
+          };
+          # alejandra = {
+          #   command = lib.getExe pkgs.alejandra;
+          #   prepend_args = ["--quiet"];
+          # };
+          nixfmt = {
+            command = lib.getExe pkgs.nixfmt-rfc-style;
+          };
+          stylua = {
+            command = lib.getExe pkgs.stylua;
+          };
+        };
+      };
+    };
+  };
+  keymaps = [
+    {
+      mode = [ "n" ];
+      key = "<leader>lf";
+      action = mkRaw ''
+        function()
+          require("conform").format()
+        end'';
+      options.desc = "Format with conform-nvim";
+    }
+  ];
+}