cherrypicked ESLint fixes from SHA-1: 4b484d3b18ad6f7fbde5ae28058f813e2a07442e
cherrypicked ESLint fixes from SHA-1: 4b484d3b18ad6f7fbde5ae28058f813e2a07442e

GerHobbelt/jison,GerHobbelt/jison,GerHobbelt/jison,GerHobbelt/jison