fix: safeguard api calls

[patrickhousley]

Adding a safeguard to prevent an exception from being thrown when browser agent APIs are called before the agent is fully initialized.

Overview

Adding a safeguard to prevent an exception from being thrown when browser agent APIs are called before the agent is fully initialized.

Related Issue(s)

https://new-relic.atlassian.net/browse/NR-276448
#1057

Testing

The issue cannot be reproduced.

[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	34.08 kB / 11.87 kB (gzip)	34.16 kB / 11.9 kB (gzip)	0.25% / 0.25% (gzip)
lite	async-chunk	50.09 kB / 16.18 kB (gzip)	50.09 kB / 16.18 kB (gzip)	0% / 0% (gzip)
pro	loader	54.74 kB / 18.52 kB (gzip)	54.83 kB / 18.56 kB (gzip)	0.16% / 0.16% (gzip)
pro	async-chunk	96.73 kB / 28.99 kB (gzip)	96.73 kB / 28.99 kB (gzip)	0% / 0% (gzip)
spa	loader	62.68 kB / 20.94 kB (gzip)	62.77 kB / 20.97 kB (gzip)	0.14% / 0.14% (gzip)
spa	async-chunk	111.84 kB / 33.37 kB (gzip)	111.84 kB / 33.37 kB (gzip)	0% / 0% (gzip)
lite-polyfills	loader	127.69 kB / 41.18 kB (gzip)	127.79 kB / 41.22 kB (gzip)	0.08% / 0.11% (gzip)
lite-polyfills	async-chunk	63.99 kB / 18.45 kB (gzip)	63.99 kB / 18.45 kB (gzip)	0% / 0% (gzip)
pro-polyfills	loader	150.07 kB / 47.46 kB (gzip)	150.17 kB / 47.51 kB (gzip)	0.06% / 0.1% (gzip)
pro-polyfills	async-chunk	116.72 kB / 31.22 kB (gzip)	116.72 kB / 31.22 kB (gzip)	0% / 0% (gzip)
spa-polyfills	loader	158.27 kB / 49.62 kB (gzip)	158.37 kB / 49.67 kB (gzip)	0.06% / 0.09% (gzip)
spa-polyfills	async-chunk	133.69 kB / 35.92 kB (gzip)	133.69 kB / 35.92 kB (gzip)	0% / 0% (gzip)

[github-actions]

Last ran on July 08, 2024 12:06:31 CDT
Checking merge of (68ca11e) into main (83d7d1e)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 87.62%. Comparing base (83d7d1e) to head (68ca11e).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1103      +/-   ##
==========================================
- Coverage   87.66%   87.62%   -0.04%     
==========================================
  Files         162      162              
  Lines        7256     7259       +3     
  Branches     1422     1423       +1     
==========================================
  Hits         6361     6361              
- Misses        780      782       +2     
- Partials      115      116       +1     

Flag	Coverage Δ
integration-tests	91.43% <100.00%> (-0.02%)	⬇️
unit-tests	76.43% <66.66%> (-0.05%)	⬇️

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