VSCodeVim/Vim

Vim plugin slows vscode down.

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#2021 opened on Sep 15, 2017

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 (173 comments) (357 reactions) (0 assignees)TypeScript (12,664 stars) (1,271 forks)batch import
area/performancehelp wanted

Description

If I turn vim plugin on (all other plugins off), vscode starts to lag. There is a noticeable delay (0.1 sec) on every keyboard input.

Contributor guide

Tech stack
typescript
Domain
performance
Issue type
bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
4
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
over 1 week
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
needs investigation
Prerequisites
TypeScript knowledgeVSCode extension API understandingperformance profiling experience
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
20
Research direction
Review the 173 comments in the issue to identify common user environments and reproduction steps. Investigate known performance issues in VSCodeVim/Vim related to key handling. Look at the extension's source code, particularly the keyboard input handling in the Vim mode extension. Profile using VS Code's built in profiling tools to pinpoint the bottleneck.