Skipping blank values at stringify

[douglira]

No description provided.

[ljharb]

Hmm - "blank" isn't really a universal definition. Perhaps this would be better as a generic skip option? It would take a function, be passed key and value, and return true to skip. That way it could also subsume the skipNulls option (it would throw if both were passed), and then you could define your own definition for what to skip.

We'd want to add the same option to both parse and stringify.

[ljharb]

All changes made in this autogenerated file are lost; you'll need to change the files in lib instead.

[douglira]

It makes sense and more suitable. I will give it a try asap

[ljharb]

@douglira have you had any time to update this PR?

[codecov]

Codecov Report

Merging #307 (01d7117) into master (da6d249) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master     #307   +/-   ##
=======================================
  Coverage   99.85%   99.85%           
=======================================
  Files           8        8           
  Lines        1336     1347   +11     
  Branches      164      167    +3     
=======================================
+ Hits         1334     1345   +11     
  Misses          2        2           

Impacted Files	Coverage Δ
lib/stringify.js	100.00% <100.00%> (ø)
test/stringify.js	99.73% <100.00%> (+<0.01%)	⬆️

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