nvim-config/lua/configs/lspconfig.lua

local M = {}

function M.config()
	local signs = {
		{ name = 'DiagnosticSignError', text = '' },
		{ name = 'DiagnosticSignWarn', text = '' },
		{ name = 'DiagnosticSignHint', text = '' },
		{ name = 'DiagnosticSignInfo', text = '' },
	}

	for _, sign in ipairs(signs) do
		vim.fn.sign_define(sign.name, { texthl = sign.name, text = sign.text, numhl = '' })
	end

	local config = {
		virtual_text = false,
		signs = {
			active = signs,
		},
		update_in_insert = true,
		underline = true,
		severity_sort = true,
		float = {
			focusable = false,
			style = 'minimal',
			border = 'rounded',
			source = 'always',
			header = '',
			prefix = '',
		},
	}

	vim.diagnostic.config(config)

	vim.lsp.handlers['textDocument/hover'] = vim.lsp.with(vim.lsp.handlers.hover, {
		border = 'rounded',
	})

	vim.lsp.handlers['textDocument/signatureHelp'] = vim.lsp.with(vim.lsp.handlers.signature_help, {
		border = 'rounded',
	})

	vim.lsp.handlers['textDocument/publishDiagnostics'] = vim.lsp.with(vim.lsp.diagnostic.on_publish_diagnostics, {
		virtual_text = false,
	})

	local status_ok, lspconfig = pcall(require, 'lspconfig')
	if not status_ok then
		return
	end

	local function lsp_keymaps(bufnr)
		local opts = { noremap = true, silent = true }
		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',
			'gl',
			"<cmd>lua vim.diagnostic.open_float({ source = false, prefix = function(d, i, ttl) return string.rep(' ', #tostring(ttl) - #tostring(i)) .. tostring(i) .. ': ', nil end })<CR>",
			opts
		)
		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', 'gi', '<cmd>lua vim.lsp.buf.implementation()<CR>', opts)
		vim.api.nvim_buf_set_keymap(bufnr, 'n', 'go', '<cmd>lua vim.diagnostic.open_float()<CR>', opts)
		vim.api.nvim_buf_set_keymap(
			bufnr,
			'n',
			'[d',
			'<cmd>lua vim.diagnostic.goto_prev({ border = "rounded" })<CR>',
			opts
		)
		vim.api.nvim_buf_set_keymap(
			bufnr,
			'n',
			']d',
			'<cmd>lua vim.diagnostic.goto_next({ border = "rounded" })<CR>',
			opts
		)
		vim.api.nvim_buf_set_keymap(bufnr, 'n', '<leader>ll', '<cmd>lua vim.diagnostic.setloclist()<CR>', opts)
		vim.api.nvim_buf_set_keymap(bufnr, 'n', '<leader>lf', '<cmd>lua vim.lsp.buf.formatting_sync()<CR>', opts)
		--vim.cmd [[ command! Format execute 'lua vim.lsp.buf.formatting()' ]]
	end

	local on_attach = function(client, bufnr)
		lsp_keymaps(bufnr)
	end

	-- lua-language-server
	-- pacman -S lua-language-server
	lspconfig.sumneko_lua.setup({
		on_attach = on_attach,
		settings = {
			Lua = {
				format = {
					enable = false,
				},
				diagnostics = {
					globals = { 'vim' },
				},
				workspace = {
					library = {
						-- include neovim runtime files
						[vim.fn.expand('$VIMRUNTIME/lua')] = true,
						[vim.fn.expand('$VIMRUNTIME/lua/vim/lsp')] = true,
					},
					checkThirdParty = false, -- disable "do you want to set up the workspace"
				},
				telemetry = {
					enable = false,
				},
			},
		},
	})

	-- pyright
	-- pip install pyright
	lspconfig.pyright.setup({
		on_attach = on_attach,
	})

	-- vscode-json-language-server
	-- npm i -g vscode-langservers-extracted
	lspconfig.jsonls.setup({
		on_attach = on_attach,
	})

	-- typescript-language-server
	-- npm i -g typescript-language-server
	lspconfig.tsserver.setup({
		on_attach = on_attach,
	})
end

return M