blink: init

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

@@ -0,0 +1,120 @@
+{lib, ...}: let
+  inherit (lib.options) mkEnableOption mkOption literalMD;
+  inherit (lib.types) listOf str either attrsOf submodule enum anything int nullOr;
+  inherit (lib.generators) mkLuaInline;
+  inherit (lib.nvim.types) mkPluginSetupOption luaInline;
+  inherit (lib.nvim.binds) mkMappingOption;
+  inherit (lib.nvim.config) mkBool;
+
+  keymapType = submodule {
+    freeformType = attrsOf (listOf (either str luaInline));
+    options = {
+      preset = mkOption {
+        type = enum ["default" "none" "super-tab" "enter"];
+        default = "none";
+        description = "keymap presets";
+      };
+    };
+  };
+
+  providerType = submodule {
+    freeformType = anything;
+    options = {
+      module = mkOption {
+        type = str;
+        description = "module of the provider";
+      };
+    };
+  };
+in {
+  options.vim.autocomplete.blink-cmp = {
+    enable = mkEnableOption "blink.cmp";
+    setupOpts = mkPluginSetupOption "blink.cmp" {
+      sources = {
+        default = mkOption {
+          type = listOf str;
+          default = ["lsp" "path" "snippets" "buffer"];
+          description = "Default list of sources to enable for completion.";
+        };
+
+        cmdline = mkOption {
+          type = nullOr (listOf str);
+          default = [];
+          description = "List of sources to enable for cmdline. Null means use default source list.";
+        };
+
+        providers = mkOption {
+          type = attrsOf providerType;
+          default = {};
+          description = "Settings for completion providers";
+        };
+
+        transform_items = mkOption {
+          type = nullOr luaInline;
+          default = mkLuaInline "function(_, items) return items end";
+          defaultText = ''
+            Our default does nothing. If you want blink.cmp's default, which
+            lowers the score for snippets, set this option to null.
+          '';
+          description = ''
+            Function to use when transforming the items before they're returned
+            for all providers.
+          '';
+        };
+      };
+
+      completion = {
+        documentation = {
+          auto_show = mkBool true "Show documentation whenever an item is selected";
+          auto_show_delay_ms = mkOption {
+            type = int;
+            default = 200;
+            description = "Delay before auto show triggers";
+          };
+        };
+      };
+
+      keymap = mkOption {
+        type = keymapType;
+        default = {};
+        description = "blink.cmp keymap";
+        example = literalMD ''
+          ```nix
+          vim.autocomplete.blink-cmp.setupOpts.keymap = {
+            preset = "none";
+
+            "<Up>" = ["select_prev" "fallback"];
+            "<C-n>" = [
+              (lib.generators.mkLuaInline ''''
+                function(cmp)
+                  if some_condition then return end -- runs the next command
+                    return true -- doesn't run the next command
+                  end,
+              '''')
+              "select_next"
+            ];
+          };
+          ```
+        '';
+      };
+
+      fuzzy = {
+        prebuilt_binaries = {
+          download = mkBool false ''
+            Auto-downloads prebuilt binaries. Do not enable, it doesn't work on nix
+          '';
+        };
+      };
+    };
+
+    mappings = {
+      complete = mkMappingOption "Complete [blink.cmp]" "<C-Space>";
+      confirm = mkMappingOption "Confirm [blink.cmp]" "<CR>";
+      next = mkMappingOption "Next item [blink.cmp]" "<Tab>";
+      previous = mkMappingOption "Previous item [blink.cmp]" "<S-Tab>";
+      close = mkMappingOption "Close [blink.cmp]" "<C-e>";
+      scrollDocsUp = mkMappingOption "Scroll docs up [blink.cmp]" "<C-d>";
+      scrollDocsDown = mkMappingOption "Scroll docs down [blink.cmp]" "<C-f>";
+    };
+  };
+}

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"
+          ];
+        };
+      };
+    };
+  };
+}

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

@@ -0,0 +1,6 @@
+{
+  imports = [
+    ./blink-cmp.nix
+    ./config.nix
+  ];
+}

modules/plugins/completion/default.nix

@@ -1,5 +1,6 @@
 {
   imports = [
     ./nvim-cmp
+    ./blink-cmp
   ];
 }