lsp for lua/ts

2024-05-02 13:32:38 -05:00 · 2024-05-02 13:32:38 -05:00 · ccb3727d8f
commit ccb3727d8f
parent 61d3aec608
4 changed files with 159 additions and 8 deletions
--- a/lua/plugins/lsp.lua
+++ b/lua/plugins/lsp.lua
@ -0,0 +1,139 @@
+return {
+  "neovim/nvim-lspconfig",
+  event = "BufEnter",
+  dependencies = {
+    -- Automatically install LSPs and related tools to stdpath for Neovim
+    { "williamboman/mason.nvim", enabled = not NIX, config = true }, -- NOTE: Must be loaded before dependants
+    { "williamboman/mason-lspconfig.nvim", enabled = not NIX },
+    { "WhoIsSethDaniel/mason-tool-installer.nvim", enabled = not NIX },
+
+    -- Useful status updates for LSP.
+    -- NOTE: `opts = {}` is the same as calling `require('fidget').setup({})`
+    -- { "j-hui/fidget.nvim", opts = {} },
+
+    -- `neodev` configures Lua LSP for your Neovim config, runtime and plugins
+    -- used for completion, annotations and signatures of Neovim apis
+    -- { "folke/neodev.nvim", opts = {} },
+  },
+  config = function()
+    vim.api.nvim_create_autocmd("LspAttach", {
+      group = vim.api.nvim_create_augroup("myconfig-lsp-attach", { clear = true }),
+      callback = function(event)
+        local map = function(keys, func, desc)
+          vim.keymap.set("n", keys, func, { buffer = event.buf, desc = "LSP: " .. desc })
+        end
+        map("gd", require("telescope.builtin").lsp_definitions, "Goto Definition")
+        map("gr", require("telescope.builtin").lsp_references, "Goto References")
+        map("gI", require("telescope.builtin").lsp_implementations, "Goto Implementation")
+        -- TODO do I want these?
+        -- map("<leader>D", require("telescope.builtin").lsp_type_definitions, "Type Definition")
+        -- map("<leader>ds", require("telescope.builtin").lsp_document_symbols, "Document Symbols")
+        -- map("<leader>ws", require("telescope.builtin").lsp_dynamic_workspace_symbols, "Workspace Symbols")
+        map("<leader>lr", vim.lsp.buf.rename, "Rename")
+        map("<leader>la", vim.lsp.buf.code_action, "Code Action")
+        map("K", vim.lsp.buf.hover, "Hover Documentation")
+        map("gD", vim.lsp.buf.declaration, "Goto Declaration")
+
+        local client = vim.lsp.get_client_by_id(event.data.client_id)
+        -- The following autocommand is used to enable inlay hints in your
+        -- code, if the language server you are using supports them
+        --
+        -- This may be unwanted, since they displace some of your code
+        if client and client.server_capabilities.inlayHintProvider and vim.lsp.inlay_hint then
+          map("<leader>lth", function()
+            vim.lsp.inlay_hint.enable(not vim.lsp.inlay_hint.is_enabled())
+          end, "Toggle Inlay Hints")
+        end
+      end,
+    })
+
+    vim.api.nvim_create_autocmd("LspDetach", {
+      group = vim.api.nvim_create_augroup("myconfig-lsp-detach", { clear = true }),
+      callback = function(event)
+        vim.lsp.buf.clear_references()
+        vim.api.nvim_clear_autocmds({ group = "myconfig-lsp-highlight", buffer = event.buf })
+      end,
+    })
+
+    local capabilities = vim.lsp.protocol.make_client_capabilities()
+    -- TODO
+    -- capabilities = vim.tbl_deep_extend("force", capabilities, require("cmp_nvim_lsp").default_capabilities())
+
+    local servers = {
+      -- clangd = {},
+      -- gopls = {},
+      -- pyright = {},
+      -- rust_analyzer = {},
+      -- ... etc. See `:help lspconfig-all` for a list of all the pre-configured LSPs
+      --
+      -- Some languages (like typescript) have entire language plugins that can be useful:
+      --    https://github.com/pmizio/typescript-tools.nvim
+      --
+      -- But for many setups, the LSP (`tsserver`) will work just fine
+      tsserver = {},
+
+      lua_ls = {
+        -- cmd = { ... },
+        -- filetypes = { ...},
+        -- capabilities = {},
+        settings = {
+          Lua = {
+            runtime = {
+              -- Tell the language server which version of Lua you're using
+              -- (most likely LuaJIT in the case of Neovim)
+              version = "LuaJIT",
+            },
+            completion = {
+              callSnippet = "Replace",
+            },
+            workspace = {
+              checkThirdParty = false,
+              library = {
+                vim.env.VIMRUNTIME,
+                vim.api.nvim_get_runtime_file("", true),
+                vim.fn.expand("$VIMRUNTIME/lua"),
+                vim.fn.expand("$VIMRUNTIME/lua/vim/lsp"),
+              },
+              telemetry = { enable = false },
+              diagnostics = {
+                globals = {
+                  "vim",
+                  "require",
+                  "NIX",
+                  "U",
+                  -- Hammerspoon
+                  "hs",
+                },
+              },
+            },
+            -- You can toggle below to ignore Lua_LS's noisy `missing-fields` warnings
+            -- diagnostics = { disable = { 'missing-fields' } },
+          },
+        },
+      },
+    }
+    if NIX then
+      local servers = vim.tbl_keys(servers or {})
+      for _, server_name in ipairs(servers) do
+        local server_opts = servers[server_name] or {}
+        require("lspconfig")[server_name].setup(server_opts)
+      end
+    else
+      require("mason").setup()
+      local ensure_installed = vim.tbl_keys(servers or {})
+      vim.list_extend(ensure_installed, {
+        "stylua", -- Used to format Lua code TODO come back to this, more about linter/formatter configs
+      })
+      require("mason-tool-installer").setup({ ensure_installed = ensure_installed })
+      require("mason-lspconfig").setup({
+        handlers = {
+          function(server_name)
+            local server = servers[server_name] or {}
+            server.capabilities = vim.tbl_deep_extend("force", {}, capabilities, server.capabilities or {})
+            require("lspconfig")[server_name].setup(server)
+          end,
+        },
+      })
+    end
+  end,
+}