neovim-config/after/plugin/lsp.lua

local lsp = require('lsp-zero')

lsp.preset('recommended')

lsp.ensure_installed({
 'tsserver',
 'eslint',
 'kotlin_language_server',
 'rust_analyzer',
 'gopls',
})

local cmp = require('cmp')
local cmp_select = {behavior = cmp.SelectBehavior.Select}
local cmp_mappings = lsp.defaults.cmp_mappings({
 ['<C-p>'] = cmp.mapping.select_prev_item(cmp_select),
 ['<C-n>'] = cmp.mapping.select_next_item(cmp_select),
 ['<C-y>'] = cmp.mapping.confirm({ select = true }),
 ["<C-Space>"] = cmp.mapping.complete(),
})

lsp.set_preferences({
 sign_icons = {}
})

lsp.setup_nvim_cmp({
 mapping = cmp_mappings
})

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.buf.workspace_symbol() end, opts)
 vim.keymap.set("n", "<leader>vd", function() vim.diagnostic.openfloat() 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)

lsp.setup()