feat(utils): Add function to calculate surrogate key

[tripodsan]

fixes #123

[codecov]

Codecov Report

Merging #125 into master will increase coverage by <.01%.
The diff coverage is 100%.

@@           Coverage Diff            @@
##           master   #125      +/-   ##
========================================
+ Coverage      99%    99%   +<.01%     
========================================
  Files          19     19              
  Lines        1507   1513       +6     
  Branches      324    324              
========================================
+ Hits         1492   1498       +6     
  Misses         15     15

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

---

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[codecov]

Codecov Report

Merging #125 into master will increase coverage by <.01%.
The diff coverage is 100%.

@@           Coverage Diff            @@
##           master   #125      +/-   ##
========================================
+ Coverage      99%    99%   +<.01%     
========================================
  Files          19     19              
  Lines        1507   1513       +6     
  Branches      324    324              
========================================
+ Hits         1492   1498       +6     
  Misses         15     15

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

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 7f6bec7...fc325a2. Read the comment docs.

[codecov]

Codecov Report

Merging #125 into master will increase coverage by <.01%.
The diff coverage is 100%.

@@           Coverage Diff            @@
##           master   #125      +/-   ##
========================================
+ Coverage      99%    99%   +<.01%     
========================================
  Files          19     19              
  Lines        1507   1513       +6     
  Branches      324    324              
========================================
+ Hits         1492   1498       +6     
  Misses         15     15

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

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 7f6bec7...d4aae86. Read the comment docs.

[lgtm-com]

This pull request introduces 1 alert when merging fc325a2 into 7f6bec7 - view on LGTM.com

new alerts:

• 1 for Hard-coded credentials

[lgtm-com]

This pull request introduces 1 alert when merging d4aae86 into 7f6bec7 - view on LGTM.com

new alerts:

• 1 for Hard-coded credentials

[adobe-bot]

🎉 This PR is included in version 1.5.0 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot 📦🚀