Intl.NumberFormat resolvedOptions style is wrong

[snowystinger]

• Version: v14.17.0
• Platform: Darwin *** 20.4.0 Darwin Kernel Version 20.4.0: Thu Apr 22 21:46:47 PDT 2021; root:xnu-7195.101.2~1/RELEASE_X86_64 x86_64

What steps will reproduce the bug?

(new Intl.NumberFormat('en-US', {style: 'percent'})).resolvedOptions() yields

{
  locale: 'en-US',
  numberingSystem: 'latn',
  style: 'decimal',
  minimumIntegerDigits: 1,
  minimumFractionDigits: 0,
  maximumFractionDigits: 0,
  useGrouping: true,
  notation: 'standard',
  signDisplay: 'auto'
}

How often does it reproduce? Is there a required condition?

every time

What is the expected behavior?

the style entry in the resolved options should be 'percent', not 'decimal'

What do you see instead?

Additional information

It was correct in node 12, 14.16.1, and 16.3
Sorry I didn't test more of them but the 14.16 -> 14.17 breaking should be helpful

[mscdex]

Seems to be something that changed from v14.16.1, my guess is #36187. 'percent' is shown on v10.x, v12.x, v14.0.0-v14.16.1, v16.x, and master.

[targos]

my guess is #36187.

It was my first guess too, but v14.17.1 also shows the bug and has ICU 69, like v16.x and master.

[targos]

This should be fixed by #39051