PowerShell tab completion doesn't work for Write cmdlets when variable is in quotes

From @powershellpr0mpt on June 15, 2017 12:47

• VSCode Version: Code 1.13.1 (379d2efb5539b09112c793d3d9a413017d736f89, 2017-06-14T18:21:47.485Z)
• OS Version: Windows_NT ia32 10.0.15063
• Extensions:

Extension	Author	Version
PowerShell	ms-vscode	1.3.2

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Steps to Reproduce:

1. Create a variable with
2. Type any of the PowerShell Write-cmdlets [Write-Output/Host/Warning/Error] and open quotes "
3. Type $ to reference a variable and try tab completion.

Expected behaviour is VSCode simply providing a list of available variable, similar to when no quotes are used.

See attached .gif for easily reproduced example

Reproduction Code:

$test = 1
Write-Output "$t

and try tab completing the variable

Copied from original issue: Microsoft/vscode#28814

[mattmcnabb]

Another way of saying it: Intellisense is not automatically invoked inside quotes - you have to manually invoke it.

[mattmcnabb]

Wanted to point out that this doesn’t appear to be an issue with the Write-* cmdlets, but simply the way intellisense works in the editor when a variable is inside double-quotes. For instance, you can repro this with Get-Process just like above.

I’ve always noticed this but simply chalked it up to the Intellisense behavior and learned to use Ctrl+Space to complete values inside quotes. It works just fine in the Integrated Terminal.