rust: full config

lua/plugins/rustacean.lua

@@ -1,15 +1,49 @@
 return {
   "mrcjkb/rustaceanvim",
+  version = "^4", -- Recommended
+  ft = { "rust" },
   opts = {
     server = {
+      on_attach = function(_, bufnr)
+        vim.keymap.set("n", "<leader>cR", function()
+          vim.cmd.RustLsp("codeAction")
+        end, { desc = "Code Action", buffer = bufnr })
+        vim.keymap.set("n", "<leader>dr", function()
+          vim.cmd.RustLsp("debuggables")
+        end, { desc = "Rust Debuggables", buffer = bufnr })
+      end,
       default_settings = {
         -- rust-analyzer language server configuration
         ["rust-analyzer"] = {
           cargo = {
+            allFeatures = true,
             targetDir = true,
+            loadOutDirsFromCheck = true,
+            buildScripts = {
+              enable = true,
+            },
+          },
+          -- Add clippy lints for Rust.
+          checkOnSave = true,
+          procMacro = {
+            enable = true,
+            ignored = {
+              ["async-trait"] = { "async_trait" },
+              ["napi-derive"] = { "napi" },
+              ["async-recursion"] = { "async_recursion" },
             },
           },
         },
       },
     },
+  },
+  config = function(_, opts)
+    vim.g.rustaceanvim = vim.tbl_deep_extend("keep", vim.g.rustaceanvim or {}, opts or {})
+    if vim.fn.executable("rust-analyzer") == 0 then
+      LazyVim.error(
+        "**rust-analyzer** not found in PATH, please install it.\nhttps://rust-analyzer.github.io/",
+        { title = "rustaceanvim" }
+      )
+    end
+  end,
 }