Description

tedgoddard

opened on May 13, 2020

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Is your feature request related to a problem? Please describe.
Support optional chaining syntax: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Optional_chaining

For example a?.b

Describe the solution you'd like

Obfuscate code making use of optional chaining.

Describe alternatives you've considered

Disable obfuscation for files containing this syntax

Additional context
Add any other context or screenshots about the feature request here.

Reacted by GoogleSites

Activity

1. sanex3339

   added

   3rd party library

   enhancement

   on May 14, 2020
2. sanex3339 commented on May 30, 2020

   

   sanex3339

   on May 30, 2020

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   Hi. We have to wait until this PR will be merged
   estools/escodegen#412

   But that PR depends on acorn PR with this feature. So, expect this not so soon.
3. tedgoddard commented on Jun 5, 2020

   

   tedgoddard

   on Jun 5, 2020

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   Relevant Acorn PR: acornjs/acorn#891
4. sanex3339 commented on Jun 11, 2020

   

   sanex3339

   on Jun 11, 2020

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   Acorn PR has been merged, now waiting for the escodegen PR.
   Also estraverse does not support this syntax out of the box, but there is fallback property to ignore it.

   Reacted by Ted Goddard
5. sanex3339

   added

   escodegen

   es2019+

   on Jun 23, 2020
6. sanex3339 commented on Jul 7, 2020

   

   sanex3339

   on Jul 7, 2020

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   This PR estools/escodegen#412 makes me sad
7. sanex3339 commented on Jul 7, 2020

   

   sanex3339

   on Jul 7, 2020

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   I think that if I won't get any response during this week, I'll create the forks of escodegen (@javascript-obfuscator/escodegen package) and estraverse (@javascript-obfuscator/estraverse package) that will be used until these changes will be merged into the base repo
8. sanex3339

   changed the title [-]Support optional chaining syntax[/-] [+]Support optional chaining and nullish coalescing syntax[/+] on Jul 7, 2020
9. sanex3339 commented on Jul 7, 2020

   

   sanex3339

   on Jul 7, 2020

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   Also here is the PR with nullish coalescing support
   estools/escodegen#417
10. sanex3339 commented on Aug 6, 2020

    

    sanex3339

    on Aug 6, 2020

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    Optional chaining has been merged on escodegen side!
11. sanex3339 commented on Aug 6, 2020

    

    sanex3339

    on Aug 6, 2020

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    Seems the last step is the PR for esrecurse because eslint-scope uses it.
    estools/esrecurse#22
12. sanex3339 commented on Aug 6, 2020

    

    sanex3339

    on Aug 6, 2020

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    #697
13. sanex3339 commented on Aug 6, 2020

    

    sanex3339

    on Aug 6, 2020

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    Optional chaining support has been merged. Expect the release with it later today.
14. sanex3339 commented on Aug 6, 2020

    

    sanex3339

    on Aug 6, 2020

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    Optional chaining support still requires estools/esrecurse#22 but right now I avoided it by using Selective dependency resolutions feature of yarn
15. sanex3339 commented on Aug 14, 2020

    

    sanex3339

    on Aug 14, 2020

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    Optional chaining support just has been released as 1.10.0
16. sanex3339

    closed this as completedin #799on Nov 4, 2020
17. sanex3339 commented on Nov 4, 2020

    

    sanex3339

    on Nov 4, 2020

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    Will be released soon as 2.7.0

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