1 files changed, 37 insertions, 0 deletions
diff --git a/modules/development/nixvim/plugins/cmp.nix b/modules/development/nixvim/plugins/cmp.nix
new file mode 100644
index 0000000..683e0d3
--- /dev/null
+++ b/modules/development/nixvim/plugins/cmp.nix
@@ -0,0 +1,37 @@
+{ config, lib, ... }:
+
+# Cmp - Completion plugin (nvim-cmp) for auto-completion
+{
+  config.programs.nixvim.plugins.cmp = lib.mkIf config.programs.nixvim.enable {
+    enable = true;
+    autoEnableSources = true;
+    settings = {
+      snippet.expand = "function(args) require('luasnip').lsp_expand(args.body) end";
+      mapping = {
+        "<C-Space>" = "cmp.mapping.complete()";
+        "<CR>" = "cmp.mapping.confirm({ select = true })";
+        "<Tab>" = "cmp.mapping.select_next_item()";
+        "<S-Tab>" = "cmp.mapping.select_prev_item()";
+        "<Down>" = "cmp.mapping.select_next_item()";
+        "<Up>" = "cmp.mapping.select_prev_item()";
+        "<C-u>" = "cmp.mapping.scroll_docs(-4)"; # scroll docs up
+        "<C-d>" = "cmp.mapping.scroll_docs(4)"; # scroll docs down
+
+        "<Escape>" = ''
+          cmp.mapping(function(fallback)
+            if cmp.visible() then
+              cmp.abort()
+            else
+              fallback()
+            end
+          end, { "i" })
+        '';
+      };
+      sources = [
+        { name = "nvim_lsp"; }
+        { name = "path"; }
+        { name = "buffer"; }
+      ];
+    };
+  };
+}