numbers/nvim/plugin/lsps.lua

local border = {
	{"┌", "FloatBorder"},
	{"─", "FloatBorder"},
	{"┐", "FloatBorder"},
	{"│", "FloatBorder"},
	{"┘", "FloatBorder"},
	{"─", "FloatBorder"},
	{"└", "FloatBorder"},
	{"│", "FloatBorder"},
}

vim.cmd [[
highlight LspDiagnosticsLineNrError guibg=#51202A guifg=#FF0000 gui=bold
highlight LspDiagnosticsLineNrWarning guibg=#51412A guifg=#FFA500 gui=bold
highlight LspDiagnosticsLineNrInformation guibg=#1E535D guifg=#00FFFF gui=bold
highlight LspDiagnosticsLineNrHint guibg=#1E205D guifg=#008bbd gui=bold

sign define LspDiagnosticsSignError text= texthl=LspDiagnosticsSignError linehl= numhl=LspDiagnosticsLineNrError
sign define LspDiagnosticsSignWarning text= texthl=LspDiagnosticsSignWarning linehl= numhl=LspDiagnosticsLineNrWarning
sign define LspDiagnosticsSignInformation text= texthl=LspDiagnosticsSignInformation linehl= numhl=LspDiagnosticsLineNrInformation
sign define LspDiagnosticsSignHint text= texthl=LspDiagnosticsSignHint linehl= numhl=LspDiagnosticsLineNrHint
]]

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

vim.cmd ('autocmd CursorHold * lua vim.lsp.diagnostic.show_line_diagnostics({border="single", focusable=false})')

local nvim_lsp = require 'lspconfig'
local on_attach = function(client, bufnr)
	vim.api.nvim_buf_set_option(bufnr, 'omnifunc', 'v:lua.vim.lsp.omnifunc')
	local opts = { noremap = true, silent = true }
	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', 'K',          '<cmd>lua vim.lsp.buf.hover()<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', '<leader>rn', '<cmd>lua vim.lsp.buf.rename()<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', '<leader>ca', '<cmd>lua vim.lsp.buf.code_action()<CR>', opts)
	vim.api.nvim_buf_set_keymap(bufnr, 'n', '<leader>e',  '<cmd>lua vim.lsp.diagnostic.show_line_diagnostics()<CR>', opts)
	vim.api.nvim_buf_set_keymap(bufnr, 'n', '}d',         '<cmd>lua vim.lsp.diagnostic.goto_next()<CR>', opts)
	vim.api.nvim_buf_set_keymap(bufnr, 'n', 'qq',         '<cmd>lua vim.lsp.diagnostic.set_loclist()<CR>', opts)
	vim.cmd [[ command! Format execute 'lua vim.lsp.buf.formatting()' ]]
	vim.lsp.handlers["textDocument/hover"] =  vim.lsp.with(vim.lsp.handlers.hover, { border = border, focusable = false })
	vim.lsp.handlers["textDocument/signatureHelp"] = vim.lsp.with(vim.lsp.handlers.signature_help, {
   border = "single",
})
	require "lsp_signature".on_attach({
		bind = true,
		hint_prefix = " ",
		hi_parameter = "ModeMsg",
		transparency = 80,
		trigger_on_newline = false,
		toggle_key = '<M-f>',
	})
	if client.resolved_capabilities.document_highlight then
		vim.api.nvim_exec(
			[[
			hi LspReferenceRead  gui=bold guibg=#1b1b29 blend=10
			hi LspReferenceText  gui=bold guibg=#1b1b29 blend=10
			hi LspReferenceWrite gui=bold guibg=#1b1b29 blend=10
			augroup lsp_document_highlight
			autocmd! * <buffer>
			autocmd CursorHold <buffer> lua vim.lsp.buf.document_highlight()
			autocmd CursorMoved <buffer> lua vim.lsp.buf.clear_references()
			augroup END
			]], false)
	end
end

require'lspconfig'.jsonls.setup {
	commands = {
		Format = {
			function()
				vim.lsp.buf.range_formatting({},{0,0},{vim.fn.line("$"),0})
			end
		}
	}
}

require'lspconfig/configs'.ls_emmet = {
  default_config = {
    cmd = { 'ls_emmet', '--stdio' };
    filetypes = { 'html', 'css', 'scss', 'javascript', 'javascriptreact', 'typescript', 'typescriptreact', 'haml',
      'xml', 'xsl', 'pug', 'slim', 'sass', 'stylus', 'less', 'sss', 'svelte'};
    root_dir = function(fname)
      return vim.loop.cwd()
    end;
    settings = {};
  };
}

local capabilities = vim.lsp.protocol.make_client_capabilities()
capabilities.textDocument.completion.completionItem.documentationFormat = { 'markdown', 'plaintext' }
capabilities.textDocument.completion.completionItem.snippetSupport = true
capabilities.textDocument.completion.completionItem.preselectSupport = true
capabilities.textDocument.completion.completionItem.insertReplaceSupport = true
capabilities.textDocument.completion.completionItem.labelDetailsSupport = true
capabilities.textDocument.completion.completionItem.deprecatedSupport = true
capabilities.textDocument.completion.completionItem.commitCharactersSupport = true
capabilities.textDocument.completion.completionItem.tagSupport = { valueSet = { 1 } }
capabilities.textDocument.completion.completionItem.resolveSupport = {
	properties = { 'documentation', 'detail', 'additionalTextEdits', },
}
capabilities = require('cmp_nvim_lsp').update_capabilities(capabilities)

local servers = { 'html', 'cssls', 'jsonls', 'tailwindcss', 'vimls', 'ls_emmet' }
for _, lsp in ipairs(servers) do
	nvim_lsp[lsp].setup {
		on_attach = on_attach,
		capabilities = capabilities,
		flags = { debounce_text_changes = 150, }
	}
end

local sumneko_root_path ='/mnt/wd1tb/catacombs/code/lua-language-server'
local sumneko_binary = sumneko_root_path .. '/bin/Linux/lua-language-server'

local runtime_path = vim.split(package.path, ';')
table.insert(runtime_path, 'lua/?.lua')
table.insert(runtime_path, 'lua/?/init.lua')

require('lspconfig').sumneko_lua.setup {
	cmd = { sumneko_binary, '-E', sumneko_root_path .. '/main.lua' },
	on_attach = on_attach,
	capabilities = capabilities,
	settings = {
		Lua = {
			runtime = {
				version = 'LuaJIT',
				path = runtime_path,
			},
			diagnostics = {
				globals = {'vim'},
			},
			workspace = {
				library = vim.api.nvim_get_runtime_file("", true),
			},
			telemetry = {
				enable = false,
			},
		},
	},
}