message: unsafe_arrows plays badly with ui-router
diff: @@ -115,7 +115,7 @@ module.exports = (env) => {
  terserOptions: {
  ecma: 8,
  module: true,
  - compress: { unsafe_arrows: true, warnings: false, passes: 5, toplevel: true },
  + compress: { warnings: false, passes: 3, toplevel: true },
  mangle: { safari10: true, toplevel: true },
  output: { safari10: true }
  },
  