init.lua/after/plugin/lsp.lua

local lsp = require("lsp-zero")

lsp.extend_cmp()
local cmp = require("cmp")

cmp.setup({
	window = {
		completion = cmp.config.window.bordered(),
		documentation = cmp.config.window.bordered(),
	},
	mapping = cmp.mapping.preset.insert({
		["<C-k>"] = cmp.mapping.select_prev_item(),
		["<C-j>"] = cmp.mapping.select_next_item(),
		["<C-l>"] = cmp.mapping.confirm({ select = true }),
		["<C-Space>"] = cmp.mapping.complete(),
		["<Tab>"] = nil,
		["<S-Tab>"] = nil,
	}),
	sources = {
		{ name = "nvim_lsp" },
		{ name = "buffer" },
		{ name = "path" },
		{ name = "nvim_lua" },
		{ name = "luasnip" },
	},
})

lsp.set_sign_icons({
	error = "E",
	warn = "W",
	hint = "H",
	info = "I",
})

lsp.extend_lspconfig()

lsp.on_attach(function(client, bufnr)
	local opts = { buffer = bufnr, remap = false }

	vim.keymap.set("n", "gd", function()
		vim.lsp.buf.definition()
	end, opts)
	vim.keymap.set("n", "K", function()
		vim.lsp.buf.hover()
	end, opts)
	vim.keymap.set("n", "<leader>vws", function()
		vim.lsp.buf.workspace_symbol()
	end, opts)
	vim.keymap.set("n", "<leader>vd", function()
		vim.diagnostic.open_float()
	end, opts)
	vim.keymap.set("n", "[d", function()
		vim.diagnostic.goto_next()
	end, opts)
	vim.keymap.set("n", "]d", function()
		vim.diagnostic.goto_prev()
	end, opts)
	vim.keymap.set("n", "<leader>vca", function()
		vim.lsp.buf.code_action()
	end, opts)
	vim.keymap.set("n", "<leader>vrr", function()
		vim.lsp.buf.references()
	end, opts)
	vim.keymap.set("n", "<leader>vrn", function()
		vim.lsp.buf.rename()
	end, opts)
	vim.keymap.set("i", "<C-h>", function()
		vim.lsp.buf.signature_help()
	end, opts)
end)

vim.diagnostic.config({
	virtual_text = true,
})

require("mason").setup({})
require("mason-lspconfig").setup({
	ensure_installed = { "lua_ls", "jsonls", "bashls", "pyright" },
	handlers = {
		lsp.default_setup,
	},
})