blink: init

modules/plugins/completion/blink-cmp/config.nix

@@ -0,0 +1,90 @@
+{
+  lib,
+  config,
+  ...
+}: let
+  inherit (lib.modules) mkIf;
+  inherit (lib.strings) optionalString;
+  inherit (lib.generators) mkLuaInline;
+  inherit (lib.nvim.lua) toLuaObject;
+  inherit (builtins) concatStringsSep typeOf tryEval attrNames mapAttrs;
+
+  cfg = config.vim.autocomplete.blink-cmp;
+  cmpCfg = config.vim.autocomplete.nvim-cmp;
+  inherit (cfg) mappings;
+
+  getPluginName = plugin:
+    if typeOf plugin == "string"
+    then plugin
+    else if (plugin ? pname && (tryEval plugin.pname).success)
+    then plugin.pname
+    else plugin.name;
+in {
+  vim = mkIf cfg.enable {
+    startPlugins = ["blink-compat"];
+    lazy.plugins = {
+      blink-cmp = {
+        package = "blink-cmp";
+        setupModule = "blink.cmp";
+        inherit (cfg) setupOpts;
+
+        # TODO: lazy disabled until lspconfig is lazy loaded
+        #
+        # event = ["InsertEnter" "CmdlineEnter"];
+
+        after = ''
+          ${optionalString config.vim.lazy.enable
+            (concatStringsSep "\n" (map
+              (package: "require('lz.n').trigger_load(${toLuaObject (getPluginName package)})")
+              cmpCfg.sourcePlugins))}
+        '';
+      };
+    };
+
+    autocomplete = {
+      blink-cmp.setupOpts = {
+        sources = {
+          default = ["lsp" "path" "snippets" "buffer"] ++ (attrNames cmpCfg.sources);
+          providers =
+            mapAttrs (name: _: {
+              inherit name;
+              module = "blink.compat.source";
+            })
+            cmpCfg.sources;
+        };
+        snippets = mkIf config.vim.snippets.luasnip.enable {
+          preset = "luasnip";
+        };
+
+        keymap = {
+          ${mappings.complete} = ["show" "fallback"];
+          ${mappings.close} = ["hide" "fallback"];
+          ${mappings.scrollDocsUp} = ["scroll_documentation_up" "fallback"];
+          ${mappings.scrollDocsDown} = ["scroll_documentation_down" "fallback"];
+          ${mappings.confirm} = ["accept" "fallback"];
+
+          ${mappings.next} = [
+            "select_next"
+            "snippet_forward"
+            (mkLuaInline ''
+              function(cmp)
+                local line, col = unpack(vim.api.nvim_win_get_cursor(0))
+                has_words_before = col ~= 0 and vim.api.nvim_buf_get_lines(0, line - 1, line, true)[1]:sub(col, col):match("%s") == nil
+
+                if has_words_before then
+                  return cmp.show()
+                end
+              end
+            '')
+            "fallback"
+          ];
+          ${mappings.previous} = [
+            "select_prev"
+            "snippet_backward"
+            "fallback"
+          ];
+        };
+      };
+    };
+  };
+}