I think the extension is overrided by the emmet extension

[naivecoder786]

[mohdabidansari]

You need to write usestate all lowercase and dont't press tab, rather press enter as specified by the developer.

[Lil-C0der]

camelCasing is also acceptable. The key is to press Enter after inputting instead of Tab. Additionally, it’s normal if the code preview popup doesn’t appear.