ESLint not issues not showing up in editor on all files

I have have setup ESLint in my project and enabled ESLinting in Resharper > Options > Web Linters > ESLint.

When opening a JS file I see a list of the ESLint errors and warnings in the Error List tab as expected consistently. However only some JS files actually underline the lint issues in the editor.

Particularly files over ~2000 lines will show lint errors in the editor when shorter files do not.
I have tested ~20 different files in varies directories and error types but the only consistency is that errors only show on long files.

I have even been able to get the errors to display for any file by adding extra code to the bottom until it is >~2000 lines.

Eslint runs fine in the terminal and displays correctly in VSCode.

Trouble shooting I have tried:

• Closing & reopening all files
• Restarting VS
• Clearing the Resharper caches
• Disabling all other VS extensions

Any help would be greatly appreciated.

Visual Studio Version: 17.7.7
Resharper Version:  2023.2.2
OS: Window 11