fix: module stability

[atinux]

Resolves #91
Resolves #89

[codecov]

Codecov Report

Merging #92 (c767ec2) into master (6a71ec5) will increase coverage by 22.72%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##           master       #92       +/-   ##
============================================
+ Coverage   77.27%   100.00%   +22.72%     
============================================
  Files           2         2               
  Lines          22        22               
  Branches        2         2               
============================================
+ Hits           17        22        +5     
+ Misses          4         0        -4     
+ Partials        1         0        -1     

Impacted Files	Coverage Δ
lib/module.js	100.00% <0.00%> (+33.33%)	⬆️

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