feat(rust): refactor to allow easy user customization and keymaps

lua/lazyvim/plugins/extras/lang/rust.lua

@@ -39,41 +39,24 @@ return {
     end,
   },
 
-  -- Correctly setup lspconfig for Rust 🚀
   {
-    "neovim/nvim-lspconfig",
-    dependencies = {
     "simrat39/rust-tools.nvim",
-      -- Avoid calling setup twice if user supplies `opts`
-      config = function() end,
-    },
-    opts = {
-      servers = {
-        -- Ensure mason installs the server
-        rust_analyzer = {},
-        taplo = {},
-      },
-      setup = {
-        rust_analyzer = function(_, opts)
-          require("lazyvim.util").on_attach(function(client, buffer)
-            -- stylua: ignore
-            if client.name == "rust_analyzer" then
-              vim.keymap.set("n", "K", "<cmd>RustHoverActions<cr>", { buffer = buffer, desc = "Hover Actions (Rust)" })
-              vim.keymap.set( "n", "<leader>cR", "<cmd>RustCodeAction<cr>", { buffer = buffer, desc = "Code Action (Rust)" })
-              vim.keymap.set( "n", "<leader>dr", "<cmd>RustDebuggables<cr>", { buffer = buffer, desc = "Run Debuggables (Rust)" })
-            end
-          end)
-          local mason_registry = require("mason-registry")
+    lazy = true,
+    opts = function()
+      local ok, mason_registry = pcall(require, "mason-registry")
+      local adapter ---@type any
+      if ok then
         -- rust tools configuration for debugging support
         local codelldb = mason_registry.get_package("codelldb")
         local extension_path = codelldb:get_install_path() .. "/extension/"
         local codelldb_path = extension_path .. "adapter/codelldb"
         local liblldb_path = vim.fn.has("mac") == 1 and extension_path .. "lldb/lib/liblldb.dylib"
           or extension_path .. "lldb/lib/liblldb.so"
-          local user_rust_tools_opts = require("lazyvim.util").opts("rust-tools.nvim")
-          local rust_tools_opts = vim.tbl_deep_extend("force", user_rust_tools_opts, {
+        adapter = require("rust-tools.dap").get_codelldb_adapter(codelldb_path, liblldb_path)
+      end
+      return {
         dap = {
-              adapter = require("rust-tools.dap").get_codelldb_adapter(codelldb_path, liblldb_path),
+          adapter = adapter,
         },
         tools = {
           on_initialized = function()
@@ -86,7 +69,28 @@ return {
                 ]])
           end,
         },
-            server = vim.tbl_deep_extend("force", opts, {
+      }
+    end,
+    config = function() end,
+  },
+
+  -- Correctly setup lspconfig for Rust 🚀
+  {
+    "neovim/nvim-lspconfig",
+    dependencies = {
+      "simrat39/rust-tools.nvim",
+      -- Avoid calling setup twice if user supplies `opts`
+      config = function() end,
+    },
+    opts = {
+      servers = {
+        -- Ensure mason installs the server
+        rust_analyzer = {
+          keys = {
+            { "K", "<cmd>RustHoverActions<cr>", desc = "Hover Actions (Rust)" },
+            { "<leader>cR", "<cmd>RustCodeAction<cr>", desc = "Code Action (Rust)" },
+            { "<leader>dr", "<cmd>RustDebuggables<cr>", desc = "Run Debuggables (Rust)" },
+          },
           settings = {
             ["rust-analyzer"] = {
               cargo = {
@@ -110,9 +114,21 @@ return {
               },
             },
           },
-            }),
-          })
-          require("rust-tools").setup(rust_tools_opts)
+        },
+        taplo = {},
+      },
+      setup = {
+        rust_analyzer = function(_, opts)
+          require("lazyvim.util").on_attach(function(client, buffer)
+            -- stylua: ignore
+            if client.name == "rust_analyzer" then
+              vim.keymap.set("n", "K", "<cmd>RustHoverActions<cr>", { buffer = buffer, desc = "Hover Actions (Rust)" })
+              vim.keymap.set( "n", "<leader>cR", "<cmd>RustCodeAction<cr>", { buffer = buffer, desc = "Code Action (Rust)" })
+              vim.keymap.set( "n", "<leader>dr", "<cmd>RustDebuggables<cr>", { buffer = buffer, desc = "Run Debuggables (Rust)" })
+            end
+          end)
+          local rust_tools_opts = require("lazyvim.util").opts("rust-tools.nvim")
+          require("rust-tools").setup(vim.tbl_deep_extend("force", rust_tools_opts or {}, { server = opts }))
           return true
         end,
         taplo = function(_, _)

lua/lazyvim/plugins/lsp/keymaps.lua

@@ -83,7 +83,7 @@ function M.resolve(buffer)
 
   local function add(keymap)
     local keys = Keys.parse(keymap)
-    if keys[2] == vim.NIL or keys[2] == false then
+    if keys[2] == false then
       keymaps[keys.id] = nil
     else
       keymaps[keys.id] = keys