vercel / vercel/hyper

Ctrl+U doesn't work as expected in Hyper+bash.exe

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Description

OS: Windows 10 Pro 19041.685
Hyper: 3.0.2 release

When using bash.exe in Hyper, entering text and then using ctrl+u to cut back from the cursor doesn't work as expected; it leaves several characters from the front dangling which can't be interacted with.
Compared to Powershell.exe, cmd.exe, and Windows Terminal, all running bash.exe with ctrl+u support, this is pretty shocking.

hyper_ctrl_u_not_working

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Research direction

Reproduce the Ctrl+U behavior in Hyper 3.0.2 on Windows 10 Pro 19041.685 with bash.exe, comparing it with the listed working terminals. Trace Hyper's terminal input and rendering path; done means Ctrl+U removes text back to the cursor without leaving dangling, unusable characters.

Written by the indexing model from the issue text.

Assessment

Tech stack
bash
Domain
cli
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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