Fix small issues

[nightwing]

fixes #4336 and #4329

[codecov]

Codecov Report

Merging #4339 into master will decrease coverage by 1.55%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #4339      +/-   ##
==========================================
- Coverage   72.04%   70.48%   -1.56%     
==========================================
  Files         536      536              
  Lines       52304    54186    +1882     
  Branches     9739    10198     +459     
==========================================
+ Hits        37680    38193     +513     
- Misses      14624    15993    +1369     

Flag	Coverage Δ
#unittests	70.48% <100.00%> (-1.56%)	⬇️

Impacted Files	Coverage Δ
lib/ace/mode/javascript/jshint.js	30.69% <ø> (-1.16%)	⬇️
lib/ace/tokenizer.js	95.56% <ø> (ø)
lib/ace/config.js	47.36% <100.00%> (ø)
lib/ace/mode/javascript_worker.js	87.50% <0.00%> (-1.57%)	⬇️

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