JavaScript - No suggestions for object with number index without quotes.

[pixieaka]

• VS Code Version: 1.55.0
• OS Version: Windows 10 20h2

Steps to Reproduce:

Does this issue occur when all extensions are disabled?: Yes

[pixieaka]

@mjbvz But object with numeric indexes can access without quotes. Why suggestions doesn't support this case?

[mjbvz]

The keys are strings. Yes JavaScript auto converts the bracketed value to a string, but that does not mean we want show IntelliSense suggesting to use a number literal here. As a more extreme example, consider:

const  b = { 5: 'xyz' }
b[{ toString: () => '5' }] // 'xyz'

Instead we show IntelliSense inside brackets when you start typing a string key: