refactor: refactor javascript parser (#1721)

[XDRAGON2002]

Closes #1721

[codecov-commenter]

Codecov Report

Merging #1722 (3b7217b) into main (e7ac2ea) will decrease coverage by 0.16%.
The diff coverage is 92.45%.

@@            Coverage Diff             @@
##             main    #1722      +/-   ##
==========================================
- Coverage   83.74%   83.57%   -0.17%     
==========================================
  Files         307      308       +1     
  Lines        6589     6601      +12     
  Branches     1069     1070       +1     
==========================================
- Hits         5518     5517       -1     
- Misses        828      839      +11     
- Partials      243      245       +2     

Flag	Coverage Δ
longtests	83.57% <92.45%> (-0.17%)	⬇️

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

Impacted Files	Coverage Δ
cve_bin_tool/parsers/javascript.py	91.83% <91.83%> (ø)
cve_bin_tool/parsers/__init__.py	66.66% <100.00%> (+66.66%)	⬆️
cve_bin_tool/version_scanner.py	74.20% <100.00%> (-2.15%)	⬇️
cve_bin_tool/available_fix/debian_cve_tracker.py	63.26% <0.00%> (-14.29%)	⬇️
cve_bin_tool/nvd_api.py	75.20% <0.00%> (-8.80%)	⬇️
cve_bin_tool/cli.py	71.09% <0.00%> (+0.39%)	⬆️

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[terriko]

This looks good to me now, but apparently a bunch of the CI didn't complete since the last change. I'm going to update the branch to address the aiohttpd error and re-run tests now.

[terriko]

CI is behaving, so merging now!