Effect of WASM in electron apps?

i always hated electron apps, concept of a chrome for every desktop app that resource hogging crap. but today it hit now that there is new bubble of Webassembly does it make some what desirable or worse companies shipping games in electron . how much performance difference (only intense cpu stuff would be written in WASM and since most of component of electron is same and it runs in same VM made for) does it make for normal application. i did not find articles about it. please enlighten me