From 322b066c492e8ca4001b85de2c2dce24a19d859e Mon Sep 17 00:00:00 2001
From: Bobby Bingham <koorogi@koorogi.info>
Date: Sun, 30 Jan 2022 17:27:08 -0600
Subject: nvim: add lsp config

---
 nvim/.config/nvim/lua/lsp_config.lua | 43 ++++++++++++++++++++++++++++++++++++
 nvim/.config/nvim/lua/plugins.lua    |  5 +++++
 2 files changed, 48 insertions(+)
 create mode 100644 nvim/.config/nvim/lua/lsp_config.lua

diff --git a/nvim/.config/nvim/lua/lsp_config.lua b/nvim/.config/nvim/lua/lsp_config.lua
new file mode 100644
index 0000000..f3f95a7
--- /dev/null
+++ b/nvim/.config/nvim/lua/lsp_config.lua
@@ -0,0 +1,43 @@
+-- Mappings.
+-- See `:help vim.diagnostic.*` for documentation on any of the below functions
+local opts = { noremap=true, silent=true }
+vim.api.nvim_set_keymap('n', '<space>e', '<cmd>lua vim.diagnostic.open_float()<CR>', opts)
+vim.api.nvim_set_keymap('n', '[d', '<cmd>lua vim.diagnostic.goto_prev()<CR>', opts)
+vim.api.nvim_set_keymap('n', ']d', '<cmd>lua vim.diagnostic.goto_next()<CR>', opts)
+vim.api.nvim_set_keymap('n', '<space>q', '<cmd>lua vim.diagnostic.setloclist()<CR>', opts)
+
+-- Use an on_attach function to only map the following keys
+-- after the language server attaches to the current buffer
+local on_attach = function(client, bufnr)
+	-- Enable completion triggered by <c-x><c-o>
+	vim.api.nvim_buf_set_option(bufnr, 'omnifunc', 'v:lua.vim.lsp.omnifunc')
+
+	-- Mappings.
+	-- See `:help vim.lsp.*` for documentation on any of the below functions
+	vim.api.nvim_buf_set_keymap(bufnr, 'n', 'gD', '<cmd>lua vim.lsp.buf.declaration()<CR>', opts)
+	vim.api.nvim_buf_set_keymap(bufnr, 'n', 'gd', '<cmd>lua vim.lsp.buf.definition()<CR>', opts)
+	vim.api.nvim_buf_set_keymap(bufnr, 'n', 'K', '<cmd>lua vim.lsp.buf.hover()<CR>', opts)
+	vim.api.nvim_buf_set_keymap(bufnr, 'n', 'gi', '<cmd>lua vim.lsp.buf.implementation()<CR>', opts)
+	vim.api.nvim_buf_set_keymap(bufnr, 'n', '<C-k>', '<cmd>lua vim.lsp.buf.signature_help()<CR>', opts)
+	vim.api.nvim_buf_set_keymap(bufnr, 'n', '<space>wa', '<cmd>lua vim.lsp.buf.add_workspace_folder()<CR>', opts)
+	vim.api.nvim_buf_set_keymap(bufnr, 'n', '<space>wr', '<cmd>lua vim.lsp.buf.remove_workspace_folder()<CR>', opts)
+	vim.api.nvim_buf_set_keymap(bufnr, 'n', '<space>wl', '<cmd>lua print(vim.inspect(vim.lsp.buf.list_workspace_folders()))<CR>', opts)
+	vim.api.nvim_buf_set_keymap(bufnr, 'n', '<space>D', '<cmd>lua vim.lsp.buf.type_definition()<CR>', opts)
+	vim.api.nvim_buf_set_keymap(bufnr, 'n', '<space>rn', '<cmd>lua vim.lsp.buf.rename()<CR>', opts)
+	vim.api.nvim_buf_set_keymap(bufnr, 'n', '<space>ca', '<cmd>lua vim.lsp.buf.code_action()<CR>', opts)
+	vim.api.nvim_buf_set_keymap(bufnr, 'n', 'gr', '<cmd>lua vim.lsp.buf.references()<CR>', opts)
+	vim.api.nvim_buf_set_keymap(bufnr, 'n', '<space>f', '<cmd>lua vim.lsp.buf.formatting()<CR>', opts)
+end
+
+-- Use a loop to conveniently call 'setup' on multiple servers and
+-- map buffer local keybindings when the language server attaches
+local servers = { 'tsserver' }
+for _, lsp in pairs(servers) do
+	require('lspconfig')[lsp].setup {
+		on_attach = on_attach,
+		flags = {
+			-- This will be the default in neovim 0.7+
+			debounce_text_changes = 150,
+		}
+	}
+end
diff --git a/nvim/.config/nvim/lua/plugins.lua b/nvim/.config/nvim/lua/plugins.lua
index 2647eb1..3ae9936 100644
--- a/nvim/.config/nvim/lua/plugins.lua
+++ b/nvim/.config/nvim/lua/plugins.lua
@@ -30,5 +30,10 @@ return require('packer').startup(function()
 		requires = 'nvim-lua/plenary.nvim',
 		config = function() require('neogit_config') end
 	}
+
+	use {
+		'neovim/nvim-lspconfig',
+		config = function() require('lsp_config') end
+	}
 end)
 
-- 
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