{"id":12222,"date":"2025-04-25T09:26:30","date_gmt":"2025-04-25T09:26:30","guid":{"rendered":"https:\/\/www.bacancytechnology.com\/qanda\/?p=12222"},"modified":"2025-04-25T09:26:30","modified_gmt":"2025-04-25T09:26:30","slug":"react-native-main-jsbundle-does-not-found-error","status":"publish","type":"post","link":"https:\/\/www.bacancytechnology.com\/qanda\/react-native\/react-native-main-jsbundle-does-not-found-error","title":{"rendered":"How to Fix &#8220;main.jsbundle Does Not Exist&#8221; Error in React Native?"},"content":{"rendered":"<p>Here we&#8217;re providing a list of solutions to fix the &#8220;main.jsbundle does not exist&#8221; error when archiving or building React Native iOS apps, ordered by most effective approaches.<\/p>\n<h3>Solution 1:<\/h3>\n<p>Generate the bundle file and add it to your Xcode project:<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"r\">\/\/ Add this to your package.json scripts section:\r\n\"build:ios\": \"react-native bundle --entry-file='index.js' --bundle-output='.\/ios\/main.jsbundle' --dev=false --platform='ios'\"\r\n\r\n\/\/ Then run:\r\nnpm run build:ios  \/\/ or yarn build:ios<\/pre>\n<p>After running this command:<br \/>\n1. Open Xcode<br \/>\n2. Right-click on your project in the project navigator<br \/>\n3. Select &#8220;Add Files to [YourProjectName]&#8221;<br \/>\n4. Select the generated main.jsbundle file<br \/>\n5. Make sure &#8220;Copy items if needed&#8221; is checked<br \/>\n6. Add the file to your app target<br \/>\n7. Finally, add main.jsbundle to &#8220;Copy Bundle Resources&#8221; in Build Phases<\/p>\n<h3>Solution 2:<\/h3>\n<p>For newer React Native projects where index.js is the entry point (not index.ios.js):<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"r\">\r\n\/\/ Add to package.json scripts:\r\n\"build:ios\": \"react-native bundle --entry-file='index.js' --bundle-output='.\/ios\/YourAppName\/main.jsbundle' --dev=false --platform='ios' --assets-dest='.\/ios'\"\r\n\/\/ Then run:\r\nnpm run build:ios\r\n<\/pre>\n<p>Note: Make sure to replace &#8216;YourAppName&#8217; with your actual app name in the path<\/p>\n<h3>Solution 3:<\/h3>\n<p>Fix path issues by putting the bundle directly in the app directory:<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"r\">\r\n\/\/ Add to package.json scripts:\r\n\"build:ios\": \"react-native bundle --entry-file='index.js' --bundle-output='.\/ios\/YourAppName\/main.jsbundle' --dev=false --platform='ios' --assets-dest='.\/ios\/YourAppName'\"\r\n<\/pre>\n<p>This ensures the assets are also copied to the correct location.<\/p>\n<h3>Solution 4:<\/h3>\n<p>For TypeScript projects, make sure to keep your root index.js file (don&#8217;t convert it to index.ts):<\/p>\n<p>React Native specifically looks for index.js as the entry point file. If you&#8217;re using TypeScript, your index.js file should simply import and register your app from your TypeScript files:<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"r\">\r\n\/\/ index.js (keep this file as .js, not .ts)\r\nimport {AppRegistry} from 'react-native';\r\nimport App from '.\/src\/App'; \/\/ Your TypeScript app entry\r\nimport {name as appName} from '.\/app.json';\r\n\r\nAppRegistry.registerComponent(appName, () => App);\r\n<\/pre>\n<h3>Solution 5:<\/h3>\n<p>For Expo projects that switched from bare workflow to managed workflow:<\/p>\n<p>Make sure your app is properly registered with registerComponent:<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"r\">\r\nimport { registerRootComponent } from 'expo';\r\nimport App from '.\/App';\r\n\r\n\/\/ Register the app\r\nregisterRootComponent(App);\r\n<\/pre>\n<h3>Solution 6:<\/h3>\n<p>Try cleaning your project:<\/p>\n<p>1. In Xcode, go to Product > Clean Build Folder<br \/>\n2. Delete the DerivedData folder:<br \/>\n   ~\/Library\/Developer\/Xcode\/DerivedData<br \/>\n3. Rebuild your project<\/p>\n<h2>Conclusion:<\/h2>\n<p>The &#8220;main.jsbundle does not exist&#8221; error occurs because React Native needs a pre-bundled JavaScript file for production builds, but it doesn&#8217;t generate this automatically. Here are the key points to remember:<\/p>\n<ul>\n<li>Always generate the bundle file manually before archiving for production<\/li>\n<li> Make sure the bundle file is properly added to your Xcode project and Build Phases<\/li>\n<li>Use the correct entry file name (index.js for newer projects, index.ios.js for older ones)<\/li>\n<li>Ensure the path to output the bundle file is correct for your project structure<\/li>\n<li>For TypeScript projects, keep the root index.js file as JavaScript<\/li>\n<li>Node version compatibility issues can sometimes cause this problem &#8211; try using Node 16 if you&#8217;re on Node 18+ <\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Here we&#8217;re providing a list of solutions to fix the &#8220;main.jsbundle does not exist&#8221; error when archiving or building React Native iOS apps, ordered by most effective approaches. Solution 1: Generate the bundle file and add it to your Xcode project: \/\/ Add this to your package.json scripts section: &#8220;build:ios&#8221;: &#8220;react-native bundle &#8211;entry-file=&#8217;index.js&#8217; &#8211;bundle-output=&#8217;.\/ios\/main.jsbundle&#8217; &#8211;dev=false [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":12223,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[14],"tags":[],"class_list":["post-12222","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-react-native"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.bacancytechnology.com\/qanda\/wp-json\/wp\/v2\/posts\/12222"}],"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=12222"}],"version-history":[{"count":1,"href":"https:\/\/www.bacancytechnology.com\/qanda\/wp-json\/wp\/v2\/posts\/12222\/revisions"}],"predecessor-version":[{"id":12224,"href":"https:\/\/www.bacancytechnology.com\/qanda\/wp-json\/wp\/v2\/posts\/12222\/revisions\/12224"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bacancytechnology.com\/qanda\/wp-json\/wp\/v2\/media\/12223"}],"wp:attachment":[{"href":"https:\/\/www.bacancytechnology.com\/qanda\/wp-json\/wp\/v2\/media?parent=12222"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bacancytechnology.com\/qanda\/wp-json\/wp\/v2\/categories?post=12222"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bacancytechnology.com\/qanda\/wp-json\/wp\/v2\/tags?post=12222"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}