broulik added a comment.
Don't use ECMAScript 6 stuff in KDeclarative or plasma-framework! It is a Framework which has a minimum version version support of Qt 5.11 (last three, 5.13, 5.12, 5.11). ECMAScript 6 is only in Qt 5.12 REPOSITORY R296 KDeclarative REVISION DETAIL https://phabricator.kde.org/D23835 To: nicolasfella, mart Cc: broulik, onvitaik, zzag, ngraham, kde-frameworks-devel, LeGast00n, GB_2, michaelh, bruns
