refactor: move line reading functionality in-house

[iuioiua]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 95.00000% with 2 lines in your changes missing coverage. Please review.

Project coverage is 97.95%. Comparing base (26494d7) to head (802231e).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
mod.ts	95.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #182      +/-   ##
==========================================
- Coverage   98.75%   97.95%   -0.80%     
==========================================
  Files           1        1              
  Lines         160      196      +36     
  Branches       30       39       +9     
==========================================
+ Hits          158      192      +34     
- Misses          2        4       +2     

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