Fix: Empty array is output as null

[k1LoW]

No description provided.

[codecov]

Codecov Report

Merging #161 into master will decrease coverage by 2.31%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #161      +/-   ##
==========================================
- Coverage   70.04%   67.73%   -2.32%     
==========================================
  Files          13       13              
  Lines        2801     2851      +50     
==========================================
- Hits         1962     1931      -31     
- Misses        642      729      +87     
+ Partials      197      191       -6     

Impacted Files	Coverage Δ
datasource/datasource.go	20.85% <0.00%> (-19.02%)	⬇️

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