From 1f50662d8e85a82ce8396643c9f8de42a9a5a22c Mon Sep 17 00:00:00 2001
From: Tovi Jaeschke-Rogers <tovi.jaeschke-rogers@four.io>
Date: Wed, 27 Jul 2022 18:28:29 +0930
Subject: [PATCH] Wed 27 Jul 2022 18:28:29 ACST

---
 .config/nvim/lua/config/lsp/init.lua      | 52 +++++++++++++++++++++++
 .config/nvim/lua/config/lsp/installer.lua | 26 ++++++++++++
 .config/nvim/lua/config/lsp/keymaps.lua   | 36 ++++++++++++++++
 3 files changed, 114 insertions(+)
 create mode 100644 .config/nvim/lua/config/lsp/init.lua
 create mode 100644 .config/nvim/lua/config/lsp/installer.lua
 create mode 100644 .config/nvim/lua/config/lsp/keymaps.lua

diff --git a/.config/nvim/lua/config/lsp/init.lua b/.config/nvim/lua/config/lsp/init.lua
new file mode 100644
index 0000000..984c87a
--- /dev/null
+++ b/.config/nvim/lua/config/lsp/init.lua
@@ -0,0 +1,52 @@
+local M = {}
+
+local servers = {
+  gopls = {},
+  html = {},
+  jsonls = {},
+  pyright = {},
+  tsserver = {},
+  vimls = {},
+  dartls = {},
+  dockerls = {},
+  intelephense = {},
+  sqlls = {},
+  volar = {},
+}
+
+local function on_attach(client, bufnr)
+  -- Enable completion triggered by <C-X><C-O>
+  -- See `:help omnifunc` and `:help ins-completion` for more information.
+  vim.api.nvim_buf_set_option(bufnr, "omnifunc", "v:lua.vim.lsp.omnifunc")
+
+  -- Use LSP as the handler for formatexpr.
+  -- See `:help formatexpr` for more information.
+  vim.api.nvim_buf_set_option(0, "formatexpr", "v:lua.vim.lsp.formatexpr()")
+
+  -- Configure key mappings
+  require("config.lsp.keymaps").setup(client, bufnr)
+end
+
+local lsp_signature = require "lsp_signature"
+lsp_signature.setup {
+  bind = true,
+  handler_opts = {
+    border = "rounded",
+  },
+}
+
+local capabilities = require("cmp_nvim_lsp").update_capabilities(vim.lsp.protocol.make_client_capabilities())
+
+local opts = {
+  on_attach = on_attach,
+  capabilities = cababilities,
+  flags = {
+    debounce_text_changes = 150,
+  },
+}
+
+function M.setup()
+  require("config.lsp.installer").setup(servers, opts)
+end
+
+return M
diff --git a/.config/nvim/lua/config/lsp/installer.lua b/.config/nvim/lua/config/lsp/installer.lua
new file mode 100644
index 0000000..012eb69
--- /dev/null
+++ b/.config/nvim/lua/config/lsp/installer.lua
@@ -0,0 +1,26 @@
+local lsp_installer_servers = require "nvim-lsp-installer.servers"
+local utils = require "utils"
+
+local M = {}
+
+function M.setup(servers, options)
+  for server_name, _ in pairs(servers) do
+    local server_available, server = lsp_installer_servers.get_server(server_name)
+
+    if server_available then
+      server:on_ready(function()
+        local opts = vim.tbl_deep_extend("force", options, servers[server.name] or {})
+        server:setup(opts)
+      end)
+
+      if not server:is_installed() then
+        utils.info("Installing " .. server.name)
+        server:install()
+      end
+    else
+      utils.error(server)
+    end
+  end
+end
+
+return M
diff --git a/.config/nvim/lua/config/lsp/keymaps.lua b/.config/nvim/lua/config/lsp/keymaps.lua
new file mode 100644
index 0000000..f33d9b1
--- /dev/null
+++ b/.config/nvim/lua/config/lsp/keymaps.lua
@@ -0,0 +1,36 @@
+local M = {}
+
+local keymap = vim.api.nvim_set_keymap
+local buf_keymap = vim.api.nvim_buf_set_keymap
+
+local function keymappings(client, bufnr)
+  local opts = { noremap = true, silent = true }
+
+  -- Key mappings
+  vim.keymap.set("n", "K", vim.lsp.buf.hover, opts)
+  vim.keymap.set("n", "[d", vim.diagnostic.goto_prev, opts)
+  vim.keymap.set("n", "]d", vim.diagnostic.goto_next, opts)
+  vim.keymap.set("n", "[e", function () vim.diagnostic.goto_prev({severity = vim.diagnostic.severity.ERROR}) end, opts)
+  vim.keymap.set("n", "]e", function () vim.diagnostic.goto_next({severity = vim.diagnostic.severity.ERROR}) end, opts)
+
+  vim.keymap.set("n", "<leader>rn", vim.lsp.buf.rename, opts)
+  vim.keymap.set("n", "K", vim.lsp.buf.code_action, opts)
+  vim.keymap.set("n", "<leader>of", vim.diagnostic.open_float, opts)
+
+  -- if client.resolved_capabilities.document_formatting then
+  --   vim.keymap.set("n", "<leader>ff", vim.lsp.buf.formatting, opts)
+  -- end
+
+  vim.keymap.set("n", "gd", vim.lsp.buf.definition, opts)
+  vim.keymap.set("n", "gD", vim.lsp.buf.declaration, opts)
+  vim.keymap.set("n", "gh", vim.lsp.buf.signature_help, opts)
+  vim.keymap.set("n", "gi", vim.lsp.buf.implementation, opts)
+  vim.keymap.set("n", "gT", vim.lsp.buf.type_definition, opts)
+
+end
+
+function M.setup(client, bufnr)
+  keymappings(client, bufnr)
+end
+
+return M