nvim: Improve LSP stuff

tree/.config/nvim/init.lua

@@ -1,6 +1,8 @@
 vim.g.mapleader = " "
 vim.g.localleader = "\\"
 
+
+-- Install Lazy
 local lazypath = vim.fn.stdpath("data") .. "/lazy/lazy.nvim"
 if not (vim.uv or vim.loop).fs_stat(lazypath) then
   local lazyrepo = "https://github.com/folke/lazy.nvim.git"
@@ -17,6 +19,48 @@ if not (vim.uv or vim.loop).fs_stat(lazypath) then
 end
 vim.opt.rtp:prepend(lazypath)
 
+-- TODO: get colored renders working
+vim.g.rustaceanvim = {
+  -- Plugin configuration
+  tools = {},
+
+  -- LSP configuration
+  server = {
+    on_attach = function(client, bufnr)
+      vim.keymap.set('n', '<leader>lg', pick_rust_target,
+        { desc = "Pick Target (Rust)", buffer = bufnr })
+      vim.keymap.set('n', "<leader>a", function() vim.cmd.RustLsp('codeAction') end,
+        { desc = "Code Action (Rust)", buffer = bufnr })
+      vim.keymap.set('n', "<leader>e", function() vim.cmd.RustLsp('renderDiagnostic', 'current') end,
+        { desc = "Render Diagnostic", buffer = bufnr })
+    end,
+    default_settings = {
+      ['rust-analyzer'] = {
+        checkOnSave = { overrideCommand = "cargo check --message-format=json-diagnostic-rendered-ansi" },
+      },
+    },
+    settings = function(project_root)
+      local ra = require('rustaceanvim.config.server')
+      local settings = ra.load_rust_analyzer_settings(project_root, {
+        settings_file_pattern = 'rust-analyzer.json'
+      })
+
+      -- override default target (if `set_rust_target` has been called)
+      local rust_target = vim.g["rust-analyzer-target"]
+      if rust_target then
+        settings["rust-analyzer"]["cargo"] = { target = rust_target }
+      end
+
+      vim.g["rust-analyzer-target-test"] = settings
+
+      return settings
+    end,
+  },
+
+  -- DAP configuration
+  dap = {},
+}
+
 
 require('plugins')
 require('vars')
@@ -27,9 +71,16 @@ require('theme')
 require('statusline')
 --require('debugger') -- TODO:
 
-local lspconfig = require("lspconfig")
-
 -- Mason Setup
+local language_servers = {
+	"pylsp",
+	"eslint",
+	"cssls",
+	"jsonls",
+	"ts_ls",
+	"gopls",
+	"wgsl_analyzer",
+}
 require("mason").setup({
     ui = {
         icons = {
@@ -38,17 +89,43 @@ require("mason").setup({
             package_uninstalled = "",
         },
     },
-    ensure_installed = { "pylsp", "eslint", "gopls", "wgsl_analyzer" },
+    ensure_installed = language_servers,
 })
 require("mason-lspconfig").setup_handlers {
     -- rust_analyzer is managed by rustaceanvim
     ['rust_analyzer'] = function() end
 }
 require("mason-lspconfig").setup()
-lspconfig.pylsp.setup {}
-lspconfig.eslint.setup {}
-lspconfig.gopls.setup {}
-lspconfig.wgsl_analyzer.setup {}
+
+local lspconfig = require("lspconfig")
+for _,l in pairs(language_servers) do
+	lspconfig[l].setup {}
+end
+
+local compare = require "cmp.config.compare"
+require('cmp').setup.filetype({ "rust" }, {
+  sorting = {
+    priority_weight = 2,
+    comparators = {
+      -- deprioritize `.box`, `.mut`, etc.
+      require("cmp-rust").deprioritize_postfix,
+      -- deprioritize `Borrow::borrow` and `BorrowMut::borrow_mut`
+      require("cmp-rust").deprioritize_borrow,
+      -- deprioritize `Deref::deref` and `DerefMut::deref_mut`
+      require("cmp-rust").deprioritize_deref,
+      -- deprioritize `Into::into`, `Clone::clone`, etc.
+      require("cmp-rust").deprioritize_common_traits,
+      compare.offset,
+      compare.exact,
+      compare.score,
+      --compare.recently_used,
+      compare.locality,
+      compare.sort_text,
+      compare.length,
+      compare.order,
+    },
+  },
+})
 
 require("todo-comments").setup()