LSP Config for Code Lens

lsp_config.lua

local alt_key_mappings = {
    {"code_lens", "n", "<leader>lcld","<Cmd>lua vim.lsp.codelens.refresh()<CR>"}, 
    {"code_lens", "n", "<leader>lclr", "<Cmd>lua vim.lsp.codelens.run()<CR>"}
}

local function set_lsp_config(client, bufnr)
    require"lsp_signature".on_attach({
        bind = true,
        handler_opts = {border = "single"}
    })

    local function buf_set_keymap(...) vim.api.nvim_buf_set_keymap(...) end
    local function buf_set_option(...) vim.api.nvim_buf_set_option(...) end

    buf_set_option(bufnr, 'omnifunc', 'v:lua.vim.lsp.omnifunc')

    for _, mappings in pairs(alt_key_mappings) do
        local capability, mode, lhs, rhs = unpack(mappings)
        if client.resolved_capabilities[capability] then
            buf_set_keymap(bufnr, mode, lhs, rhs, opts)
        end
    end

end