I'd really like to see articles like this using fetch api[1] directly over axios. It's not that Axios doesn't work, but it's over 12kb (4.3kb min+gz)[2] .. you could do every call long form with fetch for less, you can do better still with a custom simple wrapper around it.
[1] https://caniuse.com/#feat=fetch
[2] https://bundlephobia.com/result?p=axios@0.19.0