remote: Uglifier::Error: Unexpected token: operator (=).To use ES6 syntax, harmony mode must be enabled with Uglifier.new(:harmony => true).
remote: /tmp/build_91a0385c01ee50024d705167797cefde/vendor/bundle/ruby/2.5.0/gems/<e
remote: Uglifier::Error: Unexpected token: name (newOption).To use ES6 syntax, harmony mode must be enabled with Uglifier.new(:harmony => true).remote: /tmp/build_9bbd97
remote: Uglifier::Error: Unexpected token: name (anchorlinks).To use ES6 syntax, harmony mode must be enabled with Uglifier.new(:harmony => true).
remote: /tmp/build_c45535d8c2a0f6b2e090f551394cd52a/vendor/bundle/ruby/2.4.0/gems
将我的应用程序从rails 3.2升级到rails 4后,我得到了以下错误in `alias_method': undefined method `join_asset_file_contents' for
from /xxx/activesupport-4.0.0/lib/active_support/