Using Proxy to prevent modification of the original view model.

[Siemienik]

Fixes #137
Fixes #229

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (b3befc9) 100.00% compared to head (803458f) 100.00%.

❗ Current head 803458f differs from pull request most recent head f98db5a. Consider uploading reports for the commit f98db5a to get more accurate results

Additional details and impacted files

@@            Coverage Diff            @@
##            master      #236   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           56        58    +2     
  Lines         1105      1126   +21     
  Branches       155       153    -2     
=========================================
+ Hits          1105      1126   +21     

Flag	Coverage Δ
xlsx-import	100.00% <ø> (ø)
xlsx-renderer	100.00% <100.00%> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
0.0% Duplication