feat: JSErrors timestamped per harvest

[patrickhousley]

JSErrors that happen multiple times throughout a page's life will now receive a timestamp unique to the agent harvest cycle instead of always reporting the timestamp of the first occurrence of that error.

Overview

Modified the JSErrors feature to cache the error timestamp per harvest cycle instead of per page lifecycle.

Related Issue(s)

https://new-relic.atlassian.net/browse/NR-261440

Testing

[github-actions]

Last ran on April 23, 2024 10:55:58 CDT
Checking merge of (dccc6e3) into main (f35bc1d)

[github-actions]

Asset Size Report

Merging this pull request will result in the following asset size changes:

Agent	Asset	Previous Size	New Size	Diff
lite	loader	31.83 kB / 11.13 kB (gzip)	31.83 kB / 11.13 kB (gzip)	0% / 0% (gzip)
lite	async-chunk	51 kB / 16.59 kB (gzip)	51 kB / 16.59 kB (gzip)	0% / 0% (gzip)
pro	loader	51.75 kB / 17.55 kB (gzip)	51.75 kB / 17.55 kB (gzip)	0% / 0.01% (gzip)
pro	async-chunk	93.53 kB / 28.58 kB (gzip)	93.55 kB / 28.58 kB (gzip)	0.02% / 0.01% (gzip)
spa	loader	59.7 kB / 19.98 kB (gzip)	59.7 kB / 19.98 kB (gzip)	0% / 0.01% (gzip)
spa	async-chunk	108.6 kB / 32.99 kB (gzip)	108.62 kB / 32.99 kB (gzip)	0.02% / 0% (gzip)
lite-polyfills	loader	125.76 kB / 40.43 kB (gzip)	125.76 kB / 40.43 kB (gzip)	0% / 0% (gzip)
lite-polyfills	async-chunk	65.72 kB / 18.91 kB (gzip)	65.72 kB / 18.91 kB (gzip)	0% / 0% (gzip)
pro-polyfills	loader	146.01 kB / 46.43 kB (gzip)	146.01 kB / 46.43 kB (gzip)	0% / 0% (gzip)
pro-polyfills	async-chunk	128.38 kB / 33.43 kB (gzip)	128.4 kB / 33.43 kB (gzip)	0.02% / 0% (gzip)
spa-polyfills	loader	154.03 kB / 48.55 kB (gzip)	154.03 kB / 48.55 kB (gzip)	0% / 0% (gzip)
spa-polyfills	async-chunk	145.19 kB / 38.05 kB (gzip)	145.21 kB / 38.05 kB (gzip)	0.02% / 0% (gzip)

[codecov]

Codecov Report

Attention: Patch coverage is 50.00000% with 1 lines in your changes are missing coverage. Please review.

Project coverage is 83.81%. Comparing base (f35bc1d) to head (dccc6e3).

Files	Patch %	Lines
src/features/jserrors/aggregate/index.js	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #997      +/-   ##
==========================================
- Coverage   83.90%   83.81%   -0.10%     
==========================================
  Files         154      154              
  Lines        7157     7165       +8     
  Branches     1420     1420              
==========================================
  Hits         6005     6005              
- Misses        985      988       +3     
- Partials      167      172       +5     

Flag	Coverage Δ
integration-tests	90.48% <100.00%> (+0.02%)	⬆️
unit-tests	67.32% <0.00%> (ø)

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[cwli24]

Confirmed to work as intended manual, plus verified retry logic