Allow ignoreErrors to take function instead of list of regexp/strings

[kamilogorek]

ref: #1057

[jaydp17]

There are 2 ways we can do this.

1. Allow globalOptions.ignoreErrors to take regex/string as well as functions
2. Add something like globalOptions.shouldIgnoreError which takes a function and returns a boolean

I'd prefer the 1st option but would like to know your opinion.

[kamilogorek]

Agree that 1st option is more optimal. Please keep this comment in mind though #1057 (comment)

[HeroProtagonist]

Hi,

Happy Hacktober! I will take a stab at this. PR to come in the next day or two.

Cheers!

[kamilogorek]

Hey @HeroProtagonist! This issue is already in-progress – #1072 :)

However, we more things to choose from:

• captureMessage should respect ignoreUrls, whitelistUrls #774
• Ignore sampleRate #1011
• Integrate prefixes for relative filenames stripping #1036
• Introduce an optional configurable request timeout #1033
• Raven plugin for XMLHttpRequest failures #423

Feel free to ask if you need any help :)

[HeroProtagonist]

@kamilogorek , Got it! I made a PR for #774 #1080. Hopefully it's good 🤞