Feat absolute path for sources

[cap-Bernardito]

This PR contains a:

• bugfix
• new feature
• code refactor
• test update
• typo fix
• metadata update

Motivation / Use-Case

Fixes #29
Fixes #77
Fixes #51

Breaking Changes

No

Additional Info

No

[codecov]

Codecov Report

Merging #100 into master will increase coverage by 2.74%.
The diff coverage is 92.42%.

@@            Coverage Diff             @@
##           master     #100      +/-   ##
==========================================
+ Coverage   85.71%   88.46%   +2.74%     
==========================================
  Files           3        3              
  Lines          98      130      +32     
  Branches       19       31      +12     
==========================================
+ Hits           84      115      +31     
- Misses         14       15       +1     

Impacted Files	Coverage Δ
src/utils.js	86.20% <81.25%> (ø)
src/index.js	91.83% <96.00%> (+4.33%)	⬆️

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