我正在编译一个 SCSS 文件，它似乎删除了我的评论。我可以使用什么命令来保留所有评论？
>SASS input.scss output.css
我在 SCSS 中看到两种类型的注释。
// Comment
和
/* Comment */
有什么不同？
从 Rails 5 升级到 Rails 6.0.3.1 后，我的 SCSS 无法在 Heroku 上编译：
remote: yarn install v1.16.0
remote: [1/4] Resolving packages...
remote: [2/4] Fetching packages...
remote: info fsevents@1.1.3: The platform "linux" is incompatible with this module.
remote: info "fsevents@1.1.3" is an optional dependency and failed compatibility check. Excluding it from installation.
remote: [3/4] Linking dependencies...
remote: warning "@rails/webpacker > postcss-cssnext@3.1.0" has unmet peer dependency "caniuse-lite@^1.0.30000697".
remote: warning " > webpack-dev-server@2.11.2" has unmet peer dependency "webpack@^2.2.0 || ^3.0.0".
remote: warning "webpack-dev-server > webpack-dev-middleware@1.12.2" …