PowerShell / PowerShell/vscode-powershell

Invalid Argument warning appearing when pressing tab.

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Area-IntelliSense Issue-Bug
Dominant language
TypeScript
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Description

From @james-woodbridge on December 6, 2017 15:2

  • VSCode Version: 1.18.1
  • OS Version: Windows 10 Pro Build 15063.726

Steps to Reproduce:

  1. Attempt to autocomplete a parameter name when writing up a cmdlet call in a Powershell script by pressing tab. This was after a restart.

Screenshot of workspace attached, errors from console below.

ms-vscode.PowerShell] Cannot read property 'text' of undefined: TypeError: Cannot read property 'text' of undefined
	at HelpCompletionFeature.onEvent (C:\Users\james.woodbridge.SFS\.vscode\extensions\ms-vscode.powershell-1.5.1\out\src\features\HelpCompletion.js:34:100)
	at e.invoke (c:\Program Files (x86)\Microsoft VS Code\resources\app\out\vs\workbench\node\extensionHostProcess.js:4:84411)
	at e.fire (c:\Program Files (x86)\Microsoft VS Code\resources\app\out\vs\workbench\node\extensionHostProcess.js:4:86133)
	at e.$acceptDirtyStateChanged (c:\Program Files (x86)\Microsoft VS Code\resources\app\out\vs\workbench\node\extensionHostProcess.js:4:427735)
	at t.e.invoke (c:\Program Files (x86)\Microsoft VS Code\resources\app\out\vs\workbench\node\extensionHostProcess.js:4:509443)
	at e._invokeHandler (c:\Program Files (x86)\Microsoft VS Code\resources\app\out\vs\workbench\node\extensionHostProcess.js:4:354786)
	at e._receiveOneMessage (c:\Program Files (x86)\Microsoft VS Code\resources\app\out\vs\workbench\node\extensionHostProcess.js:4:354476)
	at c:\Program Files (x86)\Microsoft VS Code\resources\app\out\vs\workbench\node\extensionHostProcess.js:4:353503
	at c:\Program Files (x86)\Microsoft VS Code\resources\app\out\vs\workbench\node\extensionHostProcess.js:4:355422
	at c:\Program Files (x86)\Microsoft VS Code\resources\app\out\vs\workbench\node\extensionHostProcess.js:4:85128
e.onUnexpectedError @ /C:/Program Files (x86)/Microsoft VS Code/resources/app/out/vs/workbench/workbench.main.js:10
/C:/Program Files (x86)/Microsoft VS Code/resources/app/out/vs/workbench/workbench.main.js:10 [ms-vscode.PowerShell] Cannot read property 'text' of undefined: TypeError: Cannot read property 'text' of undefined
	at HelpCompletionFeature.onEvent (C:\Users\james.woodbridge.SFS\.vscode\extensions\ms-vscode.powershell-1.5.1\out\src\features\HelpCompletion.js:34:100)
	at e.invoke (c:\Program Files (x86)\Microsoft VS Code\resources\app\out\vs\workbench\node\extensionHostProcess.js:4:84411)
	at e.fire (c:\Program Files (x86)\Microsoft VS Code\resources\app\out\vs\workbench\node\extensionHostProcess.js:4:86133)
	at e.$acceptDirtyStateChanged (c:\Program Files (x86)\Microsoft VS Code\resources\app\out\vs\workbench\node\extensionHostProcess.js:4:427735)
	at e.$acceptModelSaved (c:\Program Files (x86)\Microsoft VS Code\resources\app\out\vs\workbench\node\extensionHostProcess.js:4:427518)
	at t.e.invoke (c:\Program Files (x86)\Microsoft VS Code\resources\app\out\vs\workbench\node\extensionHostProcess.js:4:509443)
	at e._invokeHandler (c:\Program Files (x86)\Microsoft VS Code\resources\app\out\vs\workbench\node\extensionHostProcess.js:4:354786)
	at e._receiveOneMessage (c:\Program Files (x86)\Microsoft VS Code\resources\app\out\vs\workbench\node\extensionHostProcess.js:4:354476)
	at c:\Program Files (x86)\Microsoft VS Code\resources\app\out\vs\workbench\node\extensionHostProcess.js:4:353503
	at c:\Program Files (x86)\Microsoft VS Code\resources\app\out\vs\workbench\node\extensionHostProcess.js:4:355422
e.onUnexpectedError @ /C:/Program Files (x86)/Microsoft VS Code/resources/app/out/vs/workbench/workbench.main.js:10
/C:/Program Files (x86)/Microsoft VS Code/resources/app/out/vs/workbench/workbench.main.js:10 [ms-vscode.PowerShell] Cannot read property 'text' of undefined: TypeError: Cannot read property 'text' of undefined
	at HelpCompletionFeature.onEvent (C:\Users\james.woodbridge.SFS\.vscode\extensions\ms-vscode.powershell-1.5.1\out\src\features\HelpCompletion.js:34:100)
	at e.invoke (c:\Program Files (x86)\Microsoft VS Code\resources\app\out\vs\workbench\node\extensionHostProcess.js:4:84411)
	at e.fire (c:\Program Files (x86)\Microsoft VS Code\resources\app\out\vs\workbench\node\extensionHostProcess.js:4:86133)
	at e.$acceptDirtyStateChanged (c:\Program Files (x86)\Microsoft VS Code\resources\app\out\vs\workbench\node\extensionHostProcess.js:4:427735)
	at t.e.invoke (c:\Program Files (x86)\Microsoft VS Code\resources\app\out\vs\workbench\node\extensionHostProcess.js:4:509443)
	at e._invokeHandler (c:\Program Files (x86)\Microsoft VS Code\resources\app\out\vs\workbench\node\extensionHostProcess.js:4:354786)
	at e._receiveOneMessage (c:\Program Files (x86)\Microsoft VS Code\resources\app\out\vs\workbench\node\extensionHostProcess.js:4:354476)
	at c:\Program Files (x86)\Microsoft VS Code\resources\app\out\vs\workbench\node\extensionHostProcess.js:4:353503
	at c:\Program Files (x86)\Microsoft VS Code\resources\app\out\vs\workbench\node\extensionHostProcess.js:4:355422
	at c:\Program Files (x86)\Microsoft VS Code\resources\app\out\vs\workbench\node\extensionHostProcess.js:4:85128
e.onUnexpectedError @ /C:/Program Files (x86)/Microsoft VS Code/resources/app/out/vs/workbench/workbench.main.js:10
/C:/Program Files (x86)/Microsoft VS Code/resources/app/out/vs/workbench/workbench.main.js:10 [ms-vscode.PowerShell] Cannot read property 'text' of undefined: TypeError: Cannot read property 'text' of undefined
	at HelpCompletionFeature.onEvent (C:\Users\james.woodbridge.SFS\.vscode\extensions\ms-vscode.powershell-1.5.1\out\src\features\HelpCompletion.js:34:100)
	at e.invoke (c:\Program Files (x86)\Microsoft VS Code\resources\app\out\vs\workbench\node\extensionHostProcess.js:4:84411)
	at e.fire (c:\Program Files (x86)\Microsoft VS Code\resources\app\out\vs\workbench\node\extensionHostProcess.js:4:86133)
	at e.$acceptDirtyStateChanged (c:\Program Files (x86)\Microsoft VS Code\resources\app\out\vs\workbench\node\extensionHostProcess.js:4:427735)
	at e.$acceptModelSaved (c:\Program Files (x86)\Microsoft VS Code\resources\app\out\vs\workbench\node\extensionHostProcess.js:4:427518)
	at t.e.invoke (c:\Program Files (x86)\Microsoft VS Code\resources\app\out\vs\workbench\node\extensionHostProcess.js:4:509443)
	at e._invokeHandler (c:\Program Files (x86)\Microsoft VS Code\resources\app\out\vs\workbench\node\extensionHostProcess.js:4:354786)
	at e._receiveOneMessage (c:\Program Files (x86)\Microsoft VS Code\resources\app\out\vs\workbench\node\extensionHostProcess.js:4:354476)
	at c:\Program Files (x86)\Microsoft VS Code\resources\app\out\vs\workbench\node\extensionHostProcess.js:4:353503
	at c:\Program Files (x86)\Microsoft VS Code\resources\app\out\vs\workbench\node\extensionHostProcess.js:4:355422
e.onUnexpectedError @ /C:/Program Files (x86)/Microsoft VS Code/resources/app/out/vs/workbench/workbench.main.js:10
/C:/Program Files (x86)/Microsoft VS Code/resources/app/out/vs/workbench/workbench.main.js:10 [ms-vscode.PowerShell] Cannot read property 'text' of undefined: TypeError: Cannot read property 'text' of undefined
	at HelpCompletionFeature.onEvent (C:\Users\james.woodbridge.SFS\.vscode\extensions\ms-vscode.powershell-1.5.1\out\src\features\HelpCompletion.js:34:100)
	at e.invoke (c:\Program Files (x86)\Microsoft VS Code\resources\app\out\vs\workbench\node\extensionHostProcess.js:4:84411)
	at e.fire (c:\Program Files (x86)\Microsoft VS Code\resources\app\out\vs\workbench\node\extensionHostProcess.js:4:86133)
	at e.$acceptDirtyStateChanged (c:\Program Files (x86)\Microsoft VS Code\resources\app\out\vs\workbench\node\extensionHostProcess.js:4:427735)
	at t.e.invoke (c:\Program Files (x86)\Microsoft VS Code\resources\app\out\vs\workbench\node\extensionHostProcess.js:4:509443)
	at e._invokeHandler (c:\Program Files (x86)\Microsoft VS Code\resources\app\out\vs\workbench\node\extensionHostProcess.js:4:354786)
	at e._receiveOneMessage (c:\Program Files (x86)\Microsoft VS Code\resources\app\out\vs\workbench\node\extensionHostProcess.js:4:354476)
	at c:\Program Files (x86)\Microsoft VS Code\resources\app\out\vs\workbench\node\extensionHostProcess.js:4:353503
	at c:\Program Files (x86)\Microsoft VS Code\resources\app\out\vs\workbench\node\extensionHostProcess.js:4:355422
	at c:\Program Files (x86)\Microsoft VS Code\resources\app\out\vs\workbench\node\extensionHostProcess.js:4:85128
e.onUnexpectedError @ /C:/Program Files (x86)/Microsoft VS Code/resources/app/out/vs/workbench/workbench.main.js:10
/C:/Program Files (x86)/Microsoft VS Code/resources/app/out/vs/workbench/workbench.main.js:10 Cannot read property '_placeholderDecorations' of undefined: TypeError: Cannot read property '_placeholderDecorations' of undefined
    at file:///C:/Program Files (x86)/Microsoft VS Code/resources/app/out/vs/workbench/workbench.main.js:9:1012928
    at t._changeDecorations (file:///C:/Program Files (x86)/Microsoft VS Code/resources/app/out/vs/workbench/workbench.main.js:9:951992)
    at t.changeDecorations (file:///C:/Program Files (x86)/Microsoft VS Code/resources/app/out/vs/workbench/workbench.main.js:9:951213)
    at t.changeDecorations (file:///C:/Program Files (x86)/Microsoft VS Code/resources/app/out/vs/workbench/workbench.main.js:9:1308339)
    at e.merge (file:///C:/Program Files (x86)/Microsoft VS Code/resources/app/out/vs/workbench/workbench.main.js:9:1012782)
    at file:///C:/Program Files (x86)/Microsoft VS Code/resources/app/out/vs/workbench/workbench.main.js:9:1016800
    at e.pushEditOperation (file:///C:/Program Files (x86)/Microsoft VS Code/resources/app/out/vs/workbench/workbench.main.js:9:426645)
    at t._pushEditOperations (file:///C:/Program Files (x86)/Microsoft VS Code/resources/app/out/vs/workbench/workbench.main.js:9:963461)
    at t.pushEditOperations (file:///C:/Program Files (x86)/Microsoft VS Code/resources/app/out/vs/workbench/workbench.main.js:9:962458)
    at e.merge (file:///C:/Program Files (x86)/Microsoft VS Code/resources/app/out/vs/workbench/workbench.main.js:9:1016691)
e.onUnexpectedError @ /C:/Program Files (x86)/Microsoft VS Code/resources/app/out/vs/workbench/workbench.main.js:10
/C:/Program Files (x86)/Microsoft VS Code/resources/app/out/vs/workbench/workbench.main.js:10 Cannot read property 'startLineNumber' of null: TypeError: Cannot read property 'startLineNumber' of null
    at file:///C:/Program Files (x86)/Microsoft VS Code/resources/app/out/vs/workbench/workbench.main.js:9:1011239
    at t._changeDecorations (file:///C:/Program Files (x86)/Microsoft VS Code/resources/app/out/vs/workbench/workbench.main.js:9:951992)
    at t.changeDecorations (file:///C:/Program Files (x86)/Microsoft VS Code/resources/app/out/vs/workbench/workbench.main.js:9:951213)
    at e.move (file:///C:/Program Files (x86)/Microsoft VS Code/resources/app/out/vs/workbench/workbench.main.js:9:1011003)
    at e._move (file:///C:/Program Files (x86)/Microsoft VS Code/resources/app/out/vs/workbench/workbench.main.js:9:1017225)
    at file:///C:/Program Files (x86)/Microsoft VS Code/resources/app/out/vs/workbench/workbench.main.js:9:1016877
    at e.pushEditOperation (file:///C:/Program Files (x86)/Microsoft VS Code/resources/app/out/vs/workbench/workbench.main.js:9:426645)
    at t._pushEditOperations (file:///C:/Program Files (x86)/Microsoft VS Code/resources/app/out/vs/workbench/workbench.main.js:9:963461)
    at t.pushEditOperations (file:///C:/Program Files (x86)/Microsoft VS Code/resources/app/out/vs/workbench/workbench.main.js:9:962458)
    at e.merge (file:///C:/Program Files (x86)/Microsoft VS Code/resources/app/out/vs/workbench/workbench.main.js:9:1016691)

image

Copied from original issue: Microsoft/vscode#39800

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First steps

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  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Reproduce the issue by pressing Tab while autocompleting a parameter in a PowerShell script on the reported VS Code and Windows versions. Start with the HelpCompletionFeature.onEvent stack entry at HelpCompletion.js:34:100 and the accompanying editor errors. Done means parameter completion works without the reported invalid-argument or undefined-property warnings.

Written by the indexing model from the issue text.

Assessment

Tech stack
powershell, typescript
Domain
developer-experience, tooling
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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