Problem Vaadin 15.0.3 and eclipse

Description Resource Path Location Type
Expected name at 19:4 tsconfig.json /ProAtivo/node_modules/lit-element/ts3.4 line 19 JSON Problem

json:

// Only necessary because @types/uglify-js can’t find types for source-map

Remove and ok. Eclipse no good with comment in json files.

Thanks for reporting, I created and issue in github https://github.com/vaadin/flow/issues/7985