✨ [RUM-175] sanitize RegExp and Event

[thomas-lebeau]

Motivation

Enhance serialization for Event and RegExp

Changes

Testing

• Local
• Staging
• Unit
• End to end

---

I have gone over the contributing documentation.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 93.58%. Comparing base (3485ca5) to head (c091b86).
Report is 30 commits behind head on v6.

Additional details and impacted files

@@           Coverage Diff           @@
##               v6    #3188   +/-   ##
=======================================
  Coverage   93.57%   93.58%           
=======================================
  Files         279      279           
  Lines        7475     7481    +6     
  Branches     1686     1689    +3     
=======================================
+ Hits         6995     7001    +6     
  Misses        480      480           

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[cit-pr-commenter]

Bundles Sizes Evolution

📦 Bundle Name	Base Size	Local Size	𝚫	𝚫%	Status
Rum	151.84 KiB	152.01 KiB	170 B	+0.11%	✅
Logs	50.64 KiB	50.81 KiB	170 B	+0.33%	✅
Rum Slim	102.04 KiB	102.21 KiB	170 B	+0.16%	✅
Worker	25.16 KiB	25.16 KiB	0 B	0.00%	✅

🚀 CPU Performance

Action Name	Base Average Cpu Time (ms)	Local Average Cpu Time (ms)	𝚫
addglobalcontext	0.002	0.002	0.000
addaction	0.031	0.050	0.019
addtiming	0.001	0.001	0.000
adderror	0.041	0.045	0.005
startstopsessionreplayrecording	0.790	0.954	0.164
startview	0.984	1.234	0.251
logmessage	0.020	0.023	0.003

🧠 Memory Performance

Action Name	Base Consumption Memory (bytes)	Local Consumption Memory (bytes)	𝚫 (bytes)
addglobalcontext	9.15 KiB	8.08 KiB	-1104 B
addaction	41.28 KiB	39.60 KiB	-1711 B
addtiming	8.36 KiB	7.90 KiB	-466 B
adderror	44.64 KiB	43.29 KiB	-1387 B
startstopsessionreplayrecording	7.02 KiB	4.05 KiB	-3042 B
startview	405.07 KiB	405.97 KiB	915 B
logmessage	41.87 KiB	43.94 KiB	2.07 KiB

🔗 RealWorld

[amortemousque]

❓ question: Maybe we could remove this comment now?‏

[amortemousque]

🥜 nitpick: ‏Simplification:

Suggested change

	currentTarget: event.currentTarget !== null ? (sanitizeObjects(event.currentTarget) as string) : null,
	target: event.target !== null ? (sanitizeObjects(event.target) as string) : null,
	currentTarget: event.currentTarget ? (sanitizeObjects(event.currentTarget) as string) : null,
	target: event.target ? (sanitizeObjects(event.target) as string) : null,