Fix error `val.split is not a function`

[ryota-murakami]

This Extention blow my mind!!

Sammary

Following Error was occurring on my timeline.

Investigation

console.log() target value.

dump

Cause

The cause was passing Text to String.prototype.split().

FIx

I added Text in the early return condition that inner isElement().

But I don't is this way ideally?

Thanks your review😀