Overloads CPU and causes VSCode to lag

[CyborgTick]

I'm submitting a complaint

[x] Regression (a behavior that used to work and stopped working in a new release)
[x] Bug report  <!-- Please search GitHub for a similar issue or PR before submitting -->

## Current behaviour

Worked perfectly until I pulled my code to GitHub

## Expected behavior

I expected the extension to work sufficiently until the problem began and persisted. 

## Environment

```html
Browser:

- [x] Chrome (desktop) version XX

For Tooling issues:

- Live Server: <!-- Check which version is installed --> 
- Platform:  Windows
- Visual Studio Code: HTML5, CSS3, JS6

Others

[bgbruno]

the same after today VSC update on MACOS 350% VSCode Helper because of this plugin when it is runned