This is a simple extension to add a counter of typed characters before a timeout in VS Code.
With the VS Code package manager (Ctrl-P):
ext install combo-mode
Open the Command Pallete ⇧-⌘-P (Windows, Linux Ctrl-Shift-P) and enable the Combo Mode:
This extension contributes the following settings:
comboMode.comboTimeout
: Time (seconds) of combo duration (Default: 2).
Read the Release Notes.