feat(extras): add supermaven (#3491)

Add fast copilot alternative

---------

Co-authored-by: Iordanis Petkakis <12776461+dpetka2001@users.noreply.github.com>
Co-authored-by: Folke Lemaitre <folke.lemaitre@gmail.com>

lua/lazyvim/config/init.lua

@@ -88,6 +88,7 @@ local defaults = {
       Snippet       = " ",
       String        = " ",
       Struct        = "󰆼 ",
+      Supermaven    = " ",
       TabNine       = "󰏚 ",
       Text          = " ",
       TypeParameter = " ",

lua/lazyvim/plugins/extras/ai/supermaven.lua

@@ -0,0 +1,107 @@
+return {
+  {
+    "supermaven-inc/supermaven-nvim",
+    opts = {
+      keymaps = {
+        accept_suggestion = nil, -- handled by nvim-cmp / blink.cmp
+      },
+      disable_inline_completion = vim.g.ai_cmp,
+    },
+  },
+
+  -- add ai_accept action
+  {
+    "supermaven-inc/supermaven-nvim",
+    opts = function()
+      require("supermaven-nvim.completion_preview").suggestion_group = "SupermavenSuggestion"
+      LazyVim.cmp.actions.ai_accept = function()
+        local suggestion = require("supermaven-nvim.completion_preview")
+        if suggestion.has_suggestion() then
+          LazyVim.create_undo()
+          vim.schedule(function()
+            suggestion.on_accept_suggestion()
+          end)
+          return true
+        end
+      end
+    end,
+  },
+
+  -- cmp integration
+  {
+    "hrsh7th/nvim-cmp",
+    optional = true,
+    dependencies = { "supermaven-nvim" },
+    opts = function(_, opts)
+      if vim.g.ai_cmp then
+        table.insert(opts.sources, 1, {
+          name = "supermaven",
+          group_index = 1,
+          priority = 100,
+        })
+      end
+    end,
+  },
+
+  -- blink.cmp integration
+  --
+  -- FIXME: this currently doesn't work properly
+  -- {
+  --   "saghen/blink.cmp",
+  --   optional = true,
+  --   opts = {
+  --     sources = {
+  --       compat = vim.g.ai_cmp and { "supermaven" } or nil,
+  --     },
+  --   },
+  --   dependencies = {
+  --     "supermaven-nvim",
+  --     vim.g.ai_cmp and "saghen/blink.compat" or nil,
+  --   },
+  -- },
+  --
+  -- Disabble cmp integration for now
+  {
+    "saghen/blink.cmp",
+    optional = true,
+    opts = {
+      windows = { ghost_text = { enabled = false } },
+    },
+    dependencies = {
+      {
+        "supermaven-nvim",
+        opts = {
+          disable_inline_completion = false,
+        },
+      },
+    },
+  },
+
+  {
+    "nvim-lualine/lualine.nvim",
+    optional = true,
+    event = "VeryLazy",
+    opts = function(_, opts)
+      table.insert(opts.sections.lualine_x, 2, LazyVim.lualine.cmp_source("supermaven"))
+    end,
+  },
+
+  {
+    "folke/noice.nvim",
+    optional = true,
+    opts = function(_, opts)
+      vim.list_extend(opts.routes, {
+        {
+          filter = {
+            event = "msg_show",
+            any = {
+              { find = "Starting Supermaven" },
+              { find = "Supermaven Free Tier" },
+            },
+          },
+          skip = true,
+        },
+      })
+    end,
+  },
+}