error handling

[gjniewenhuijse]

When decoding a json string you can get different errors.

Is this code the best way to handle errors? or is there a more generic way to do this?

Code:

if states and states ~= '' then
  local success, res = pcall(json.decode, states)
  if success then
    states = res
  end
end

[admin]

You can use json.pdecode which will return nil, err in case of an error:

Code:

res, err = json.pdecode(data)