feat: switch nvim-cmp for blink.cmp (nvim-lua#1426)

Saghen · Logan Lang · commit d959b1567231 · 2025-08-11T11:17:54.000-05:00
diff --git a/init.lua b/init.lua
@@ -500,8 +500,8 @@ require('lazy').setup({
       -- Useful status updates for LSP.
       { 'j-hui/fidget.nvim', opts = {} },
 
-      -- Allows extra capabilities provided by nvim-cmp
-      'hrsh7th/cmp-nvim-lsp',
+      -- Allows extra capabilities provided by blink.cmp
+      'saghen/blink.cmp',
     },
     config = function()
       -- Brief aside: **What is LSP?**
@@ -668,10 +668,9 @@ require('lazy').setup({
 
       -- LSP servers and clients are able to communicate to each other what features they support.
       --  By default, Neovim doesn't support everything that is in the LSP specification.
-      --  When you add nvim-cmp, luasnip, etc. Neovim now has *more* capabilities.
-      --  So, we create new capabilities with nvim cmp, and then broadcast that to the servers.
-      local capabilities = vim.lsp.protocol.make_client_capabilities()
-      capabilities = vim.tbl_deep_extend('force', capabilities, require('cmp_nvim_lsp').default_capabilities())
+      --  When you add blink.cmp, luasnip, etc. Neovim now has *more* capabilities.
+      --  So, we create new capabilities with blink.cmp, and then broadcast that to the servers.
+      local capabilities = require('blink.cmp').get_lsp_capabilities()
 
       -- Enable the following language servers
       --  Feel free to add/remove any LSPs that you want here. They will automatically be installed.
@@ -792,12 +791,14 @@ require('lazy').setup({
   },
 
   { -- Autocompletion
-    'hrsh7th/nvim-cmp',
-    event = 'InsertEnter',
+    'saghen/blink.cmp',
+    event = 'VimEnter',
+    version = '1.*',
     dependencies = {
-      -- Snippet Engine & its associated nvim-cmp source
+      -- Snippet Engine
       {
         'L3MON4D3/LuaSnip',
+        version = '2.*',
         build = (function()
           -- Build Step is needed for regex support in snippets.
           -- This step is not supported in many windows environments.
@@ -818,95 +819,74 @@ require('lazy').setup({
           --   end,
           -- },
         },
+        opts = {},
       },
-      'saadparwaiz1/cmp_luasnip',
-
-      -- Adds other completion capabilities.
-      --  nvim-cmp does not ship with all sources by default. They are split
-      --  into multiple repos for maintenance purposes.
-      'hrsh7th/cmp-nvim-lsp',
-      'hrsh7th/cmp-path',
-      'hrsh7th/cmp-nvim-lsp-signature-help',
+      'folke/lazydev.nvim',
     },
-    config = function()
-      -- See `:help cmp`
-      local cmp = require 'cmp'
-      local luasnip = require 'luasnip'
-      luasnip.config.setup {}
-
-      cmp.setup {
-        snippet = {
-          expand = function(args)
-            luasnip.lsp_expand(args.body)
-          end,
-        },
-        completion = { completeopt = 'menu,menuone,noinsert' },
-
-        -- For an understanding of why these mappings were
-        -- chosen, you will need to read `:help ins-completion`
+    --- @module 'blink.cmp'
+    --- @type blink.cmp.Config
+    opts = {
+      keymap = {
+        -- 'default' (recommended) for mappings similar to built-in completions
+        --   <c-y> to accept ([y]es) the completion.
+        --    This will auto-import if your LSP supports it.
+        --    This will expand snippets if the LSP sent a snippet.
+        -- 'super-tab' for tab to accept
+        -- 'enter' for enter to accept
+        -- 'none' for no mappings
+        --
+        -- For an understanding of why the 'default' preset is recommended,
+        -- you will need to read `:help ins-completion`
         --
         -- No, but seriously. Please read `:help ins-completion`, it is really good!
-        mapping = cmp.mapping.preset.insert {
-          -- Select the [n]ext item
-          ['<C-n>'] = cmp.mapping.select_next_item(),
-          -- Select the [p]revious item
-          ['<C-p>'] = cmp.mapping.select_prev_item(),
-
-          -- Scroll the documentation window [b]ack / [f]orward
-          ['<C-b>'] = cmp.mapping.scroll_docs(-4),
-          ['<C-f>'] = cmp.mapping.scroll_docs(4),
-
-          -- Accept ([y]es) the completion.
-          --  This will auto-import if your LSP supports it.
-          --  This will expand snippets if the LSP sent a snippet.
-          ['<C-y>'] = cmp.mapping.confirm { select = true },
-
-          -- If you prefer more traditional completion keymaps,
-          -- you can uncomment the following lines
-          --['<CR>'] = cmp.mapping.confirm { select = true },
-          --['<Tab>'] = cmp.mapping.select_next_item(),
-          --['<S-Tab>'] = cmp.mapping.select_prev_item(),
-
-          -- Manually trigger a completion from nvim-cmp.
-          --  Generally you don't need this, because nvim-cmp will display
-          --  completions whenever it has completion options available.
-          ['<C-Space>'] = cmp.mapping.complete {},
-
-          -- Think of <c-l> as moving to the right of your snippet expansion.
-          --  So if you have a snippet that's like:
-          --  function $name($args)
-          --    $body
-          --  end
-          --
-          -- <c-l> will move you to the right of each of the expansion locations.
-          -- <c-h> is similar, except moving you backwards.
-          ['<C-l>'] = cmp.mapping(function()
-            if luasnip.expand_or_locally_jumpable() then
-              luasnip.expand_or_jump()
-            end
-          end, { 'i', 's' }),
-          ['<C-h>'] = cmp.mapping(function()
-            if luasnip.locally_jumpable(-1) then
-              luasnip.jump(-1)
-            end
-          end, { 'i', 's' }),
+        --
+        -- All presets have the following mappings:
+        -- <tab>/<s-tab>: move to right/left of your snippet expansion
+        -- <c-space>: Open menu or open docs if already open
+        -- <c-n>/<c-p> or <up>/<down>: Select next/previous item
+        -- <c-e>: Hide menu
+        -- <c-k>: Toggle signature help
+        --
+        -- See :h blink-cmp-config-keymap for defining your own keymap
+        preset = 'default',
 
-          -- For more advanced Luasnip keymaps (e.g. selecting choice nodes, expansion) see:
-          --    https://github.com/L3MON4D3/LuaSnip?tab=readme-ov-file#keymaps
-        },
-        sources = {
-          {
-            name = 'lazydev',
-            -- set group index to 0 to skip loading LuaLS completions as lazydev recommends it
-            group_index = 0,
-          },
-          { name = 'nvim_lsp' },
-          { name = 'luasnip' },
-          { name = 'path' },
-          { name = 'nvim_lsp_signature_help' },
+        -- For more advanced Luasnip keymaps (e.g. selecting choice nodes, expansion) see:
+        --    https://github.com/L3MON4D3/LuaSnip?tab=readme-ov-file#keymaps
+      },
+
+      appearance = {
+        -- 'mono' (default) for 'Nerd Font Mono' or 'normal' for 'Nerd Font'
+        -- Adjusts spacing to ensure icons are aligned
+        nerd_font_variant = 'mono',
+      },
+
+      completion = {
+        -- By default, you may press `<c-space>` to show the documentation.
+        -- Optionally, set `auto_show = true` to show the documentation after a delay.
+        documentation = { auto_show = false, auto_show_delay_ms = 500 },
+      },
+
+      sources = {
+        default = { 'lsp', 'path', 'snippets', 'lazydev' },
+        providers = {
+          lazydev = { module = 'lazydev.integrations.blink', score_offset = 100 },
         },
-      }
-    end,
+      },
+
+      snippets = { preset = 'luasnip' },
+
+      -- Blink.cmp includes an optional, recommended rust fuzzy matcher,
+      -- which automatically downloads a prebuilt binary when enabled.
+      --
+      -- By default, we use the Lua implementation instead, but you may enable
+      -- the rust implementation via `'prefer_rust_with_warning'`
+      --
+      -- See :h blink-cmp-config-fuzzy for more information
+      fuzzy = { implementation = 'lua' },
+
+      -- Shows a signature help window while you type arguments for a function
+      signature = { enabled = true },
+    },
   },
 
   { -- You can easily change to a different colorscheme.
diff --git a/lua/kickstart/plugins/autopairs.lua b/lua/kickstart/plugins/autopairs.lua
@@ -4,13 +4,5 @@
 return {
   'windwp/nvim-autopairs',
   event = 'InsertEnter',
-  -- Optional dependency
-  dependencies = { 'hrsh7th/nvim-cmp' },
-  config = function()
-    require('nvim-autopairs').setup {}
-    -- If you want to automatically add `(` after selecting a function or method
-    local cmp_autopairs = require 'nvim-autopairs.completion.cmp'
-    local cmp = require 'cmp'
-    cmp.event:on('confirm_done', cmp_autopairs.on_confirm_done())
-  end,
+  opts = {},
 }
