{"id":11933,"date":"2025-01-31T05:01:25","date_gmt":"2025-01-31T05:01:25","guid":{"rendered":"https:\/\/www.bacancytechnology.com\/qanda\/?p=11933"},"modified":"2025-01-31T05:01:25","modified_gmt":"2025-01-31T05:01:25","slug":"missing-javascript-folder-and-application-js-in-rails","status":"publish","type":"post","link":"https:\/\/www.bacancytechnology.com\/qanda\/ruby-on-rails\/missing-javascript-folder-and-application-js-in-rails","title":{"rendered":"Ruby on Rails &#8211; Javascript(s) Folder and Application.js Missing"},"content":{"rendered":"<h3>1. Identify Your JavaScript Setup:<\/h3>\n<ul>\n<li><strong>Importmap: <\/strong>Look for config\/importmap.rb. Add JavaScript to app\/javascript\/application.js.<\/li>\n<li><strong>esbuild or Webpack:<\/strong> Look for package.json. JavaScript goes in app\/javascript\/application.js.<\/li>\n<\/ul>\n<h3>2. Set Up JavaScript (if missing):<\/h3>\n<ul>\n<li><strong>For Importmap:<\/strong> Run rails importmap:install.<\/li>\n<li><strong>For esbuild:<\/strong> Run rails javascript:install:esbuild.<\/li>\n<li><strong>For Webpacker:<\/strong> Run rails webpacker:install.<\/li>\n<\/ul>\n<h2>Include JavaScript in Layout:<\/h2>\n<p>Add this to application.html.erb:<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"ruby\">&lt;%= javascript_importmap_tags %&gt; &lt;!-- For Importmap --&gt;\r\nor\r\n&lt;%= javascript_include_tag \"application\", defer: true %&gt; &lt;!-- For esbuild\/Webpacker --&gt;<\/pre>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. Identify Your JavaScript Setup: Importmap: Look for config\/importmap.rb. Add JavaScript to app\/javascript\/application.js. esbuild or Webpack: Look for package.json. JavaScript goes in app\/javascript\/application.js. 2. Set Up JavaScript (if missing): For Importmap: Run rails importmap:install. For esbuild: Run rails javascript:install:esbuild. For Webpacker: Run rails webpacker:install. Include JavaScript in Layout: Add this to application.html.erb: &lt;%= javascript_importmap_tags %&gt; [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":11934,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[11],"tags":[],"class_list":["post-11933","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ruby-on-rails"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.bacancytechnology.com\/qanda\/wp-json\/wp\/v2\/posts\/11933"}],"collection":[{"href":"https:\/\/www.bacancytechnology.com\/qanda\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bacancytechnology.com\/qanda\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bacancytechnology.com\/qanda\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bacancytechnology.com\/qanda\/wp-json\/wp\/v2\/comments?post=11933"}],"version-history":[{"count":1,"href":"https:\/\/www.bacancytechnology.com\/qanda\/wp-json\/wp\/v2\/posts\/11933\/revisions"}],"predecessor-version":[{"id":11935,"href":"https:\/\/www.bacancytechnology.com\/qanda\/wp-json\/wp\/v2\/posts\/11933\/revisions\/11935"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bacancytechnology.com\/qanda\/wp-json\/wp\/v2\/media\/11934"}],"wp:attachment":[{"href":"https:\/\/www.bacancytechnology.com\/qanda\/wp-json\/wp\/v2\/media?parent=11933"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bacancytechnology.com\/qanda\/wp-json\/wp\/v2\/categories?post=11933"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bacancytechnology.com\/qanda\/wp-json\/wp\/v2\/tags?post=11933"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}