feat(ai): better completion/suggestions of AI engines

lua/lazyvim/config/options.lua

@@ -11,6 +11,20 @@ vim.g.autoformat = true
 -- enabled with `:LazyExtras`
 vim.g.lazyvim_picker = "auto"
 
+-- if the completion engine supports the AI source,
+-- use that instead of inline suggestions
+vim.g.ai_cmp = true
+
+-- if `vim.g.ai_cmp` is false, or the completion engine does
+-- not support the AI source, use inline suggestions
+-- with the keymaps below
+vim.g.ai_suggest_accept = "<tab>"
+vim.g.ai_suggest_accept_word = false
+vim.g.ai_suggest_accept_line = false
+vim.g.ai_suggest_next = "<M-]>"
+vim.g.ai_suggest_prev = "<M-[>"
+vim.g.ai_suggest_clear = "<C-]>"
+
 -- LazyVim root dir detection
 -- Each entry can be:
 -- * the name of a detector function like `lsp` or `cwd`

lua/lazyvim/plugins/coding.lua

@@ -72,9 +72,10 @@ return {
           end,
         },
         experimental = {
-          ghost_text = {
+          -- only show ghost text when we show ai completions
+          ghost_text = vim.g.ai_cmp and {
             hl_group = "CmpGhostText",
-          },
+          } or false,
         },
         sorting = defaults.sorting,
       }

lua/lazyvim/plugins/extras/ai/codeium.lua

@@ -1,17 +1,31 @@
 return {
 
+  -- codeium
+  {
+    "Exafunction/codeium.nvim",
+    cmd = "Codeium",
+    build = ":Codeium Auth",
+    opts = {
+      enable_cmp_source = vim.g.ai_cmp,
+      virtual_text = {
+        enabled = not vim.g.ai_cmp,
+        accept_fallback = vim.g.ai_suggest_accept,
+        key_bindings = {
+          accept = vim.g.ai_suggest_accept,
+          accept_word = vim.g.ai_suggest_accept_word,
+          accept_line = vim.g.ai_suggest_accept_line,
+          next = vim.g.ai_suggest_next,
+          prev = vim.g.ai_suggest_prev,
+          clear = vim.g.ai_suggest_clear,
+        },
+      },
+    },
+  },
   -- codeium cmp source
   {
     "nvim-cmp",
-    dependencies = {
-      -- codeium
-      {
-        "Exafunction/codeium.nvim",
-        cmd = "Codeium",
-        build = ":Codeium Auth",
-        opts = {},
-      },
-    },
+    optional = true,
+    dependencies = { "codeium.nvim" },
     ---@param opts cmp.ConfigSchema
     opts = function(_, opts)
       table.insert(opts.sources, 1, {
@@ -30,4 +44,18 @@ return {
       table.insert(opts.sections.lualine_x, 2, LazyVim.lualine.cmp_source("codeium"))
     end,
   },
+
+  {
+    "saghen/blink.cmp",
+    optional = true,
+    opts = {
+      sources = {
+        compat = vim.g.ai_cmp and { "codeium" } or nil,
+      },
+    },
+    dependencies = {
+      "codeium.nvim",
+      vim.g.ai_cmp and { "saghen/blink.compat" } or {},
+    },
+  },
 }

lua/lazyvim/plugins/extras/ai/copilot.lua

@@ -5,8 +5,20 @@ return {
     "zbirenbaum/copilot.lua",
     cmd = "Copilot",
     build = ":Copilot auth",
+    event = "InsertEnter",
     opts = {
-      suggestion = { enabled = false },
+      suggestion = {
+        enabled = true,
+        auto_trigger = true,
+        keymap = {
+          accept = vim.g.ai_suggest_accept,
+          accept_word = vim.g.ai_suggest_accept_word,
+          accept_line = vim.g.ai_suggest_accept_line,
+          next = vim.g.ai_suggest_next,
+          prev = vim.g.ai_suggest_prev,
+          dismiss = vim.g.ai_suggest_clear,
+        },
+      },
       panel = { enabled = false },
       filetypes = {
         markdown = true,
@@ -55,9 +67,11 @@ return {
   -- copilot cmp source
   {
     "nvim-cmp",
-    dependencies = {
+    optional = true,
+    dependencies = { -- this will only be evaluated if nvim-cmp is enabled
       {
         "zbirenbaum/copilot-cmp",
+        enabled = vim.g.ai_cmp, -- only enable if wanted
         dependencies = "copilot.lua",
         opts = {},
         config = function(_, opts)
@@ -69,34 +83,30 @@ return {
             copilot_cmp._on_insert_enter({})
           end, "copilot")
         end,
+        specs = {
+          {
+            "zbirenbaum/copilot.lua",
+            opts = { suggestion = { enabled = false } },
+          },
+          {
+            "nvim-cmp",
+            ---@param opts cmp.ConfigSchema
+            opts = function(_, opts)
+              table.insert(opts.sources, 1, {
+                name = "copilot",
+                group_index = 1,
+                priority = 100,
+              })
+            end,
+          },
+        },
       },
     },
-    ---@param opts cmp.ConfigSchema
-    opts = function(_, opts)
-      table.insert(opts.sources, 1, {
-        name = "copilot",
-        group_index = 1,
-        priority = 100,
-      })
-    end,
   },
 
   {
     "saghen/blink.cmp",
     optional = true,
-    specs = {
-      {
-        "zbirenbaum/copilot.lua",
-        event = "InsertEnter",
-        opts = {
-          suggestion = {
-            enabled = true,
-            auto_trigger = true,
-            keymap = { accept = false },
-          },
-        },
-      },
-    },
     opts = {
       windows = {
         ghost_text = {
@@ -104,7 +114,7 @@ return {
         },
       },
       keymap = {
-        ["<Tab>"] = {
+        [vim.g.ai_suggest_accept] = {
           function(cmp)
             if cmp.is_in_snippet() then
               return cmp.accept()

lua/lazyvim/plugins/extras/coding/blink.lua

@@ -6,7 +6,10 @@ return {
   {
     "saghen/blink.cmp",
     version = "*",
-    opts_extend = { "sources.completion.enabled_providers" },
+    opts_extend = {
+      "sources.completion.enabled_providers",
+      "sources.compat",
+    },
     dependencies = {
       "rafamadriz/friendly-snippets",
       -- add blink.compat to dependencies
@@ -45,6 +48,9 @@ return {
       -- experimental signature help support
       -- trigger = { signature_help = { enabled = true } }
       sources = {
+        -- adding any nvim-cmp sources here will enable them
+        -- with blink.compat
+        compat = {},
         completion = {
           -- remember to enable your providers here
           enabled_providers = { "lsp", "path", "snippets", "buffer" },
@@ -55,6 +61,20 @@ return {
         preset = "enter",
       },
     },
+    ---@param opts blink.cmp.Config
+    config = function(_, opts)
+      for _, source in ipairs(opts.sources.compat or {}) do
+        opts.sources.providers[source] = opts.sources.providers[source]
+          or {
+            name = source,
+            module = "blink.compat.source",
+          }
+        if not vim.tbl_contains(opts.sources.completion.enabled_providers, source) then
+          table.insert(opts.sources.completion.enabled_providers, source)
+        end
+      end
+      require("blink.cmp").setup(opts)
+    end,
   },
 
   -- add icons

lua/lazyvim/util/lualine.lua

@@ -7,7 +7,7 @@ function M.cmp_source(name, icon)
     if not package.loaded["cmp"] then
       return
     end
-    for _, s in ipairs(require("cmp").core.sources) do
+    for _, s in ipairs(require("cmp").core.sources or {}) do
       if s.name == name then
         if s.source:is_available() then
           started = true