The README and provided example has:

let suggestions = states().filter((state) => {
    return state.name.toLowerCase().slice(0, inputLength) === inputValue
  })

I think it should be something equivalent to:

const suggestions = states().filter(
  state =>
    inputLength > 0 &&
    state.name.toLowerCase().slice(0, inputLength) === inputValue
)

Otherwise the sug

With this propadd-on-key="[13,9]" I can add tags from my autocomplete dropdown with a tab press. The behavior itself works as expected, I can arrow-down to an item or mouse hover and press tab to insert the tab. It correctly keeps the focus within the tabs-input, however the autocomplete window no long opens until you blur and re-focus manually.

Version 2.1.0

Example
[http://jsfiddle.

Issue description

I've came across a proptype warning when passing an int as options key.
focusItem is declared as a string in App.js seems reasonable enough so i think a simple conversion is enough as a think many people may try to pass an int as the option key, my case was passing the product_id from a an api.

I know that this is against the PropTypes use but i think an exception he