feat(plugins): add autopairs

plugins/autopairs.nix

@@ -0,0 +1,54 @@
+# homepage: https://github.com/windwp/nvim-autopairs
+{ pkgs, ... }:
+
+{
+  extra = {
+    packages = [ pkgs.vimPlugins.nvim-autopairs ];
+
+    # Config (taken from AstroNvim)
+    # https://github.com/AstroNvim/AstroNvim/blob/v4.7.7/lua/astronvim/plugins/autopairs.lua#L14-L25
+    # With cmp integration
+    # https://github.com/AstroNvim/AstroNvim/blob/v4.7.7/lua/astronvim/plugins/configs/nvim-autopairs.lua#L10
+    config = ''
+      require("nvim-autopairs").setup({
+        check_ts = true,
+        ts_config = { java = false },
+        fast_wrap = {
+          map = "<M-e>",
+          chars = { "{", "[", "(", '"', "'" },
+          pattern = ([[ [%'%"%)%>%]%)%}%,] ]]):gsub("%s+", ""),
+          offset = 0,
+          end_key = "$",
+          keys = "qwertyuiopzxcvbnmasdfghjkl",
+          check_comma = true,
+          highlight = "PmenuSel",
+          highlight_grey = "LineNr",
+        },
+      })
+
+      --- TODO: uncomment when cmp is setup
+      ---require("cmp").event:on("confirm_done", require("nvim-autopairs.completion.cmp").on_confirm_done { tex = false })
+    '';
+  };
+
+  rootOpts.keymaps = [
+    {
+      key = "<leader>ua";
+
+      # https://github.com/AstroNvim/astrocore/blob/v1.4.0/lua/astrocore/toggles.lua#L37-L50
+      action.__raw = ''
+        function()
+          local ok, autopairs = pcall(require, "nvim-autopairs")
+          if ok then
+            if autopairs.state.disabled then
+              autopairs.enable()
+            else
+              autopairs.disable()
+            end
+          end
+        end
+      '';
+      options.desc = "Toggle autopairs";
+    }
+  ];
+}