refactor(forms): update email validator to inherit abstractValidator

[iRealNirmal]

Modified email validator to inherit abstractValidator.

For every validato type different PR will be raised as discussed in #42378.

Closes #42267

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines: https://github.com/angular/angular/blob/master/CONTRIBUTING.md#commit
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

• Bugfix
• Feature
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
• Build related changes
• CI related changes
• Documentation content changes
• angular.io application / infrastructure changes
• Other... Please describe:

What is the current behavior?

Issue Number: #42378

What is the new behavior?

Does this PR introduce a breaking change?

• Yes
• No

Other information

[iRealNirmal]

@dylhunn @AndrewKushnir can you help me rerun lint job, when am running in my local am not seeing in any changes let me also know if you see any other difference if you can run in your local.

Help here will be appreciated, thanks.

[dylhunn]

@iRealNirmal You should be able to run the formatting command, then push again and it will rerun automatically. Let me know if that doesn't work.

[dylhunn]

BTW do you want a review on this? pullapprove added me and I'm not sure why. Remove draft status when you're ready :)

[AndrewKushnir]

FYI, this PR is blocked by #44500, which we'd need to land first.

[iRealNirmal]

@iRealNirmal You should be able to run the formatting command, then push again and it will rerun automatically. Let me know if that doesn't work.

@dylhunn I am running in my local but unfortunately it's not showing any changes at all.
If that is something you can help that will be great and also if you have any other comments in PR feel free to do it.

[iRealNirmal]

after rebase things are failing so marking back to draft mode, but still help appreciated for lint because it's still there

[iRealNirmal]

@AndrewKushnir thanks for your input it helped to speed up task, but am still facing issue for lint at

override normalizeInput = (input: unknown): boolean =>
      input === '' || input === true || input === 'true'

earlier it was giving error for Unnecessary semicolon I removed but it's giving various errors for this line. I can try various other way but you might have already faced this issue and would have created some defined guide line so that's why I am waiting for your response before doing anything else.

[AndrewKushnir]

@iRealNirmal I've pushed a fixup commit that adds a semicolon. I've also ran lint command and rebased this PR on top of the most recent version of the main branch.

[iRealNirmal]

Thanks @AndrewKushnir , it's strange why running lint command in my local was not correcting it, it neither added semicolon nor brackets. Did it worked directly for you ? If yes then I will have to do something for it in my local.

[iRealNirmal]

Ohh it's something tslint error and you disabled next line, thanks for taking care of it.

[AndrewKushnir]

@iRealNirmal the changes look good, thanks 👍

I've started tests in Google's codebase (internal-only link) and will let you know how it goes.

[AndrewKushnir]

Reviewed-for: public-api

[atscott]

reviewed-for: public-api

[jessicajaniuk]

LGTM 🍪

reviewed-for: public-api

[AndrewKushnir]

@iRealNirmal FYI, some code in Google's codebase require a minor cleanup, but everything is now ready for merge. I'm adding this PR to the merge queue.

Thanks again for all your efforts to unify the code of the validators! 👍 That really helps to make it more maintainable and more compact (so validators contribute less to bundle sizes).

[atscott]

This PR was merged into the repository by commit c7b210d.

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