VSCodeVim / VSCodeVim/Vim

Failed to handle key ``: nvim_buf_set_lines: Buffer is not 'modifiable'

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Description

To Reproduce
Steps to reproduce the behavior:

  1. Go to '...'
  2. Click on '....'
  3. Scroll down to '....'
  4. See error

VSCodeVim version: 1.24.2

Stack trace
Error: Error making request to nvim_buf_set_lines
    at c.request (c:\Users\Administrator\.vscode\extensions\vscodevim.vim-1.24.2\node_modules\neovim\lib\api\Base.js:76:23)
    at c.setLines (c:\Users\Administrator\.vscode\extensions\vscodevim.vim-1.24.2\node_modules\neovim\lib\api\Buffer.js:86:21)
    at g.syncVSCodeToVim (c:\Users\Administrator\.vscode\extensions\vscodevim.vim-1.24.2\src\neovim\neovim.ts:133:15)
    at process.patch (node:internal/process/task_queues:96:5)
    at g.statusBarText [as run] (c:\Users\Administrator\.vscode\extensions\vscodevim.vim-1.24.2\src\neovim\neovim.ts:51:88)
    at C.commandLine [as run] (c:\Users\Administrator\.vscode\extensions\vscodevim.vim-1.24.2\src\cmd_line\commandLine.ts:295:19)
    at b.mode [as run] (c:\Users\Administrator\.vscode\extensions\vscodevim.vim-1.24.2\src\actions\commands\commandLine.ts:153:52)
    at b.i [as exec] (c:\Users\Administrator\.vscode\extensions\vscodevim.vim-1.24.2\src\actions\commands\commandLine.ts:33:60)
    at b.execCount (c:\Users\Administrator\.vscode\extensions\vscodevim.vim-1.24.2\src\actions\base.ts:184:42)
    at I.actionToRecord [as runAction] (c:\Users\Administrator\.vscode\extensions\vscodevim.vim-1.24.2\src\mode\modeHandler.ts:739:47)
    at I.handledAsAction [as handleKeyAsAnAction] (c:\Users\Administrator\.vscode\extensions\vscodevim.vim-1.24.2\src\mode\modeHandler.ts:688:43)
    at I.text [as handleKeyEvent] (c:\Users\Administrator\.vscode\extensions\vscodevim.vim-1.24.2\src\mode\modeHandler.ts:505:11)
    at c:\Users\Administrator\.vscode\extensions\vscodevim.vim-1.24.2\extensionBase.ts:359:73

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 with src/neovim/neovim.ts, especially syncVSCodeToVim, and trace the nvim_buf_set_lines call using the provided stack trace. Reproduce the failure with a non-modifiable buffer; done means the reported key path no longer raises this error, with relevant test coverage added or updated if available.

Written by the indexing model from the issue text.

Assessment

Tech stack
typescript
Domain
tooling
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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