エラー内容
ActionView::Template::Error (couldn't find file 'jquery' with type 'application/javascript' Checked in these paths: /Users/tomohiro/work/fight/app/assets/config /Users/tomohiro/work/fight/app/assets/images /Users/tomohiro/work/fight/app/assets/javascripts /Users/tomohiro/work/fight/app/assets/stylesheets /Users/tomohiro/work/fight/vendor/cache/gems/coffee-rails-4.2.2/lib/assets/javascripts /Users/tomohiro/work/fight/vendor/cache/gems/actioncable-5.2.0/lib/assets/compiled /Users/tomohiro/work/fight/vendor/cache/gems/activestorage-5.2.0/app/assets/javascripts /Users/tomohiro/work/fight/vendor/cache/gems/actionview-5.2.0/lib/assets/compiled /Users/tomohiro/work/fight/vendor/cache/gems/turbolinks-source-5.1.0/lib/assets/javascripts /Users/tomohiro/work/fight/node_modules /Users/tomohiro/work/fight/vendor/cache/gems/bootstrap-sass-3.3.7/assets/stylesheets /Users/tomohiro/work/fight/vendor/cache/gems/bootstrap-sass-3.3.7/assets/javascripts /Users/tomohiro/work/fight/vendor/cache/gems/bootstrap-sass-3.3.7/assets/fonts /Users/tomohiro/work/fight/vendor/cache/gems/bootstrap-sass-3.3.7/assets/images): 5: <%= csrf_meta_tags %> 6: <%= csp_meta_tag %> 7: 8: <%= stylesheet_link_tag 'application', media: 'all', 'data-turbolinks-track': 'reload' %> 9: <%= javascript_include_tag 'application', 'data-turbolinks-track': 'reload' %> 10: </head> 11:
解決策
Gemfileにgem 'jquery-rails'を追加し、bundle installを実行
