Property 'XXX' does not exist on type 'CombinedVueInstance>>'

Question

I created a vue component with TypeScript, and I\'m getting this error in data() and in methods():

Property \'xxx\' does not exist          


        

Answer 1

Same issue is described here https://www.gitmemory.com/issue/vuejs/vue/9873/485481541

As its a problem with TS 3.4.x, 3.9.6 works very well for me now