Modern Front-End Development for Rails

Dealing with Strictness

Compiling the file, we get a few errors.

• The venue-display file that is kicking off the call to React is not handling a potential undefined value.

• The SortController is doing a parseInt with a potentially null value.

• The debounce method in SearchController is unhappy and we may just need to restructure that.

• The CalendarController has a few cases where we use target.dataset.

• The thunk dispatches in App don’t like that they may potentially have nulls.

Using other strict options would give us more errors, in particular, I think the “no explicit any” might be a big problem, but I think this should be enough for us to deal with to get the idea.

Our venue_display file has basically the same issue four times over: we have ...