vercel / vercel/hyper

Slow scroll when there's a big amount of lines

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#4,406 2 comments 0 reactions 0 assignees View on GitHub

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Dominant language
TypeScript
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Description

  • I am on the latest Hyper.app version
  • I have searched the issues of this repo and believe that this is not a duplicate
  • OS version and name: Elementary OS 5..1.2 Hera

  • Hyper.app version: 3.0.2 (stable)

  • Link of a Gist with the contents of your .hyper.js: link

  • The issue is reproducible in vanilla Hyper.app: Yes

Issue

I was on a WSL environment and everything was working good with Hyper, not a problem at all.

But I decided to go to Linux, using the Elementary OS. With Hyper installed, I started using it but then it got slower and slower. When I scrolled up, Hyper was super laggy with a terrible experience.

My computer has 16GB of RAM and it was not even close to the limit. I also have a i7-8750H, so there's no reason why that was happening.

No servers were running, I was just setting up my environment with everything that I need, cloning repos and installing it's dependencies.

When opening Hyper again, everything was good but I decided do cat the history of commands. When I did that, everything was good. Scrolled up for a couple of seconds and everything was good, but then the laggy cameback.

Looking at my system monitor, I have plenty RAM and CPU left, like a lot.

It's been a while since I'm a Hyper user, but never had this problem and it's currently unusable. The default terminal is working good, this problem does not exists with it.

Any clues?

Contributor guide

No contributing guide indexed for this repository

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 by reproducing the lag in vanilla Hyper.app on Elementary OS with a large command history, using the supplied .hyper.js only as configuration context. Compare scrolling after reopening Hyper with the default terminal, and consider the issue done when scrolling remains responsive with many lines while normal terminal use still works.

Written by the indexing model from the issue text.

Assessment

Tech stack
typescript
Domain
cli, desktop, performance
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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