neovim/after/plugin/lsp.lua

vim.lsp.config('lua_ls', {
    on_init = function(client)
        if client.workspace_folders then
            local path = client.workspace_folders[1].name
            if
                path ~= vim.fn.stdpath('config')
                and (vim.uv.fs_stat(path .. '/.luarc.json') or vim.uv.fs_stat(path .. '/.luarc.jsonc'))
            then
                return
            end
        end

        client.config.settings.Lua = vim.tbl_deep_extend('force', client.config.settings.Lua, {
            runtime = {
                -- Tell the language server which version of Lua you're using (most
                -- likely LuaJIT in the case of Neovim)
                version = 'LuaJIT',
                -- Tell the language server how to find Lua modules same way as Neovim
                -- (see `:h lua-module-load`)
                path = {
                    'lua/?.lua',
                    'lua/?/init.lua',
                },
            },
            -- Make the server aware of Neovim runtime files
            workspace = {
                checkThirdParty = false,
                library = {
                    vim.env.VIMRUNTIME
                    -- Depending on the usage, you might want to add additional paths
                    -- here.
                    -- '${3rd}/luv/library'
                    -- '${3rd}/busted/library'
                }
                -- Or pull in all of 'runtimepath'.
                -- NOTE: this is a lot slower and will cause issues when working on
                -- your own configuration.
                -- See https://github.com/neovim/nvim-lspconfig/issues/3189
                -- library = {
                --   vim.api.nvim_get_runtime_file('', true),
                -- }
            }
        })
    end,
    settings = {
        Lua = {}
    }
})

vim.lsp.config('rust_analyzer', {
    settings = {
        ['rust-analyzer'] = {
            checkOnSave = {
                command = "clippy"
            }
        }
    }
})

vim.api.nvim_create_autocmd("LspAttach", {
    callback = function(ev)
        local opts = { buffer = ev.buf, 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>vd", function() vim.diagnostic.open_float() end, opts)
        vim.keymap.set("n", "<leader>vrr", function() vim.lsp.buf.references() end, opts)
        vim.keymap.set("n", "<leader>vca", function() vim.lsp.buf.code_action() end, opts)
        vim.keymap.set("n", "<leader>vrn", function() vim.lsp.buf.rename() end, opts)
        vim.keymap.set("n", "<leader>ii", function()
            vim.lsp.inlay_hint.enable(not vim.lsp.inlay_hint.is_enabled())
        end, opts)
    end
})