VSCodeVim / VSCodeVim/Vim

Editor is undefined

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#3,033 5 comments 0 reactions 0 assignees View on GitHub

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good first issue help wanted
Dominant language
TypeScript
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Description

Describe the bug
The property 'editor' can be undefined (see Screenshots section).

To Reproduce
Steps to reproduce the behavior:

  1. Start VSCode
  2. Check Breakpoints > Promise Rejects and Breakpoints > Uncaught Exceptions
  3. Start my extension in debug mode (Debugger > Launch client). I believe, that can be reproduced with any extension, though it happened to me during development of mine plugin.
  4. If any file is opened after start, close all of them and start again.

Expected behavior
The absence of the error.

Screenshots
debugger

Environment (please complete the following information):

  • Extension (VsCodeVim) version: 0.16.3
  • VSCode version: 1.27.1
  • OS: Ubuntu 16.04

Additional context

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  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

Start at src/mode/modeHandler.ts line 1324 and compare the failure with the related issue #3030. Reproduce in VSCode 1.27.1 by enabling Promise Rejects and Uncaught Exceptions, launching an extension in debug mode, closing open files, and starting again; done means the 'editor' error no longer occurs.

Written by the indexing model from the issue text.

Assessment

Tech stack
typescript
Domain
devtools
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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