feat: Add user callback for handling invalid characters. #283
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hi buddy,this is work-in progress.
It might not be easy to get the user to write a callback function, but I think we can at least do it first.
I have noticed that there are many issues about callback(#53) at present,
It may be difficult to solve all the problems, but we can take them apart step by step,
So now I have taken the first step (at least we can solve #210 for now),
and the first step now seems easy(or too easy🤣).
First, we declare and tell the user what custom rules can be processed:
Then, the options argument can be passed in when the user calls public API, like:
Finally, we pick it up at decode:
and the encoding is written similarly.
In short, we accept some special rules that user-written callback functions.