TypeScript: detect node built-in type usage

[sveyret]

Issue #444

[sveyret]

This PR also contains a unit test.

[codecov]

Codecov Report

Merging #445 into master will increase coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master     #445      +/-   ##
==========================================
+ Coverage   99.13%   99.13%   +<.01%     
==========================================
  Files          36       36              
  Lines         695      697       +2     
==========================================
+ Hits          689      691       +2     
  Misses          6        6

Impacted Files	Coverage Δ
src/utils/typescript.js	100% <100%> (ø)	⬆️

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