Xanadu ES12 in Global

[NS]

Hello,

The Xanadu highlights in docs state:

• Use ECMAScript 2021 (ES12) features in any server-side script.

I understand this to also mean Global scope, in scoped apps this has been available since Tokyo. I spun up a PDI which is running on build `glide-xanadu-07-02-2024__patch0-07-16-2024`

Apart from `const` and `let` no new ES features seem to be working. I was trying template literals, for...of loop, arrow function and spread operator. I tried running both in a Fix Script so I could make sure the ES12 toggle was on, and in background script. But the result isn't good.

Script compilation error: Script Identifier: null.null.script, Error Description: syntax error (null.null.script; line 4), Script ES Level: 0, Interpreted Mode: true

bg script 

fix script 

In a scoped app the same script runs like a charm

The docs also state "No plugins or properties are required to install the new JavaScript engine."  So what gives? Any ideas?

edit: maybe this post went into a wrong category - idk how to change it though

[NS · Accepted solution]

Still not working in Patch 3 (glide-xanadu-07-02-2024__patch3-10-23-2024)

Got reply from SN:

---

Thank you for your patience on this. At this stage, we could see that the Defect has been waived for Yokohama and Targeted to Zurich. 

Will keep you posted as soon as the fix is available. 

[NS · Accepted solution]

ServiceNow finally acknowledged that the feature indeed does not work:

KB1699139 + Related Problem: PRB1794568

https://support.servicenow.com/kb?id=kb_article_view&sysparm_article=KB1699139

No info on when it'll be fixed though.

[paki]

• ---

  @NS wrote:
  

  Hello,

  The Xanadu highlights in docs state:

  • Use ECMAScript 2021 (ES12) features in any server-side script.

  I understand this to also mean Global scope

  ---

I'm wondering the same thing. Right now it seems more like wishful thinking on our side. What servicenow probably means is that eslint will not complain about es12 syntax in the script fields. But it still needs to be scoped?

[NS]

I don't believe that would be the case. It's a bit difficult for me to understand what would be the point of the linter not complaining about ES12 syntax if it's not going to work. I'm thinking maybe this is an issue related to the Early Release? I haven't really looked at new versions so early on before, so I don't know if such discrepancies with what's mentioned in the docs is common.

[paki]

it only works on script fields, when you turn it on for this specific record (but it's on for default), e.g. Script Includes

https://docs.servicenow.com/bundle/xanadu-api-reference/page/script/JavaScript-engine-upgrade/concep...

maybe they'll allow this toggle for global background scripts as well in the future

are there other places where you still miss it?

[Brad Bowman]

@Chuck Tomasi , @Earl Duque can you clarify why the author's attempts didn't work?