add supermaven (opt-in only)

.gitignore

@@ -4,6 +4,7 @@ undodir
 lua/config/
 lua/plugins/
 lua/lisp-school.lua
+lua/supermaven-blink.lua
 
 # Clojure/LSP tooling
 .clj-kondo/

fnl/plugins/init.fnl

@@ -171,13 +171,27 @@
          {lhs "<leader>aa" rhs "<cmd>ClaudeCodeDiffAccept<cr>" :desc "Accept diff"}
          {lhs "<leader>ad" rhs "<cmd>ClaudeCodeDiffDeny<cr>" :desc "Deny diff"}]}
 
+ ;; Supermaven - AI code completion
+ {repo "supermaven-inc/supermaven-nvim"
+  :event "InsertEnter"
+  :opts {:disable_inline_completion true}}
+
  ;; blink.cmp - Fast completion engine with LSP support
  {repo "saghen/blink.cmp"
   :version "*"
   :event ["InsertEnter" "CmdlineEnter"]
-  :opts {:keymap {:preset "super-tab"}
-         :completion {:documentation {:auto_show true}}
-         :sources {:default ["lsp" "path" "buffer"]}}}
+  :dependencies ["supermaven-inc/supermaven-nvim"]
+  :opts {:keymap {:preset "super-tab"
+                  "<C-Space>" [(fn [cmp] (cmp.show {:providers ["supermaven"]})) :fallback]
+                  "<Tab>" [:select_and_accept :snippet_forward :fallback]
+                  "<CR>" [:select_and_accept :fallback]}
+         :completion {:trigger {:show_on_keyword false
+                                :show_on_trigger_character false}
+                      :list {:selection {:preselect true :auto_insert false}}
+                      :documentation {:auto_show true}}
+         :sources {:default ["lsp" "supermaven" "path" "buffer"]
+                   :providers {:supermaven {:name "Supermaven"
+                                            :module "supermaven-blink"}}}}}
 
  ;; gitsigns.nvim - Git diff signs in the sign column
  {repo "lewis6991/gitsigns.nvim"

fnl/supermaven-blink.fnl

@@ -0,0 +1,38 @@
+(local M {})
+
+(fn M.new []
+  (setmetatable {} {:__index M}))
+
+(fn M.get_completions [self ctx callback]
+  (let [(ok preview) (pcall require :supermaven-nvim.completion_preview)]
+    (if (not ok)
+        (callback {:is_incomplete_backward false :is_incomplete_forward false :items []})
+        (let [inst (preview:get_inlay_instance)]
+          (if (or (= inst nil) (= inst.is_active false))
+              (callback {:is_incomplete_backward false :is_incomplete_forward false :items []})
+              (let [text inst.completion_text
+                    lines (vim.split text "\n" {:plain true})
+                    raw-label (: (. lines 1) :gsub "^%s*" "")
+                    label (if (> (length raw-label) 40)
+                              (.. (raw-label:sub 1 20) " ... " (raw-label:sub -15))
+                              raw-label)
+                    row (- (. ctx.cursor 1) 1)
+                    col-start (math.max (- (. ctx.cursor 2) (or inst.prior_delete 0)) 0)
+                    col-end (vim.fn.col "$")
+                    range {:start {:line row :character col-start}
+                           :end   {:line row :character col-end}}]
+                (callback {:is_incomplete_backward false
+                           :is_incomplete_forward false
+                           :items [{:label label
+                                    :kind (. vim.lsp.protocol.CompletionItemKind :Text)
+                                    :insertTextFormat (if (> (length lines) 1) 2 1)
+                                    :textEdit {:newText text :insert range :replace range}
+                                    :documentation {:kind :markdown
+                                                    :value (.. "```" vim.bo.filetype "\n" text "\n```")}}]})))))))
+
+(fn M.execute [self ctx item resolve default-impl]
+  (pcall (fn [] (: (require :supermaven-nvim.completion_preview) :dispose_inlay)))
+  (default-impl)
+  (resolve))
+
+M

lazy-lock.json

@@ -12,6 +12,7 @@
   "nvim-treesitter": { "branch": "main", "commit": "f8bbc3177d929dc86e272c41cc15219f0a7aa1ac" },
   "plenary.nvim": { "branch": "master", "commit": "b9fd5226c2f76c951fc8ed5923d85e4de065e509" },
   "snacks.nvim": { "branch": "main", "commit": "ad9ede6a9cddf16cedbd31b8932d6dcdee9b716e" },
+  "supermaven-nvim": { "branch": "main", "commit": "07d20fce48a5629686aefb0a7cd4b25e33947d50" },
   "telescope.nvim": { "branch": "master", "commit": "a0bbec21143c7bc5f8bb02e0005fa0b982edc026" },
   "tokyonight.nvim": { "branch": "main", "commit": "5da1b76e64daf4c5d410f06bcb6b9cb640da7dfd" },
   "vim-repeat": { "branch": "master", "commit": "65846025c15494983dafe5e3b46c8f88ab2e9635" },