# Ember CLI

**URL:** https://discuss.emberjs.com/c/ember-cli/13.md

[Latest](https://discuss.emberjs.com/latest.md) · [Categories](https://discuss.emberjs.com/categories.md)

---

## [About the Ember CLI category](https://discuss.emberjs.com/t/about-the-ember-cli-category/6013)

<div class="topic-metadata">

**Author:** [@codinghorror](https://discuss.emberjs.com/u/codinghorror)\
**Replies:** 0

</div>

The command line interface for ambitious web applications http://www.ember-cli.com/

---

## [JSX + TypeScript with ember-cli-babel](https://discuss.emberjs.com/t/jsx-typescript-with-ember-cli-babel/21447)

<div class="topic-metadata">

**Author:** [@mattheww](https://discuss.emberjs.com/u/mattheww)\
**Replies:** 10\
**Last updated:** [July 27, 2026, 10:12pm UTC](https://discuss.emberjs.com/t/jsx-typescript-with-ember-cli-babel/21447 "2026-07-27T22:12:30Z")

</div>

I’m attempting to add support for JSX or TSX files to an Ember 3.28 app. Based on ember-react-components, I tried configuring my ember-cli-build.js as follows: babel: { spec: true, plugins: \[ req…

---

## [Make a copy of an Ember app](https://discuss.emberjs.com/t/make-a-copy-of-an-ember-app/11747)

<div class="topic-metadata">

**Author:** [@myc](https://discuss.emberjs.com/u/myc)\
**Replies:** 9\
**Last updated:** [February 16, 2026, 5:59pm UTC](https://discuss.emberjs.com/t/make-a-copy-of-an-ember-app/11747 "2026-02-16T17:59:11Z")

</div>

is there a way to make a copy of a whole ember app? i tried just copying and pasting the folder for the app, but i get this error when i paste it. “the file name(s) would be too long for the destination folder. You can s…

---

## [Error after upgrading to Ember CLI 5.12: Cannot find module @ember-data/request-utils/deprecation-support](https://discuss.emberjs.com/t/error-after-upgrading-to-ember-cli-5-12-cannot-find-module-ember-data-request-utils-deprecation-support/21582)

<div class="topic-metadata">

**Author:** [@klavier\_spieler](https://discuss.emberjs.com/u/klavier_spieler)\
**Replies:** 3\
**Last updated:** [January 22, 2026, 12:45pm UTC](https://discuss.emberjs.com/t/error-after-upgrading-to-ember-cli-5-12-cannot-find-module-ember-data-request-utils-deprecation-support/21582 "2026-01-22T12:45:51Z")

</div>

Hi everyone! :waving\_hand: I’m currently in the process of upgrading my Ember app, and I’m running into an issue I can’t resolve. I’m hoping someone might have encountered this before or might help me with advice. Upgr…

---

## [Need upgrade advice](https://discuss.emberjs.com/t/need-upgrade-advice/21680)

<div class="topic-metadata">

**Author:** [@Talha\_Azeem](https://discuss.emberjs.com/u/Talha_Azeem)\
**Replies:** 1\
**Last updated:** [July 17, 2025, 3:31pm UTC](https://discuss.emberjs.com/t/need-upgrade-advice/21680 "2025-07-17T15:31:04Z")

</div>

Project is a mono repo and is following the below structure for the ember apps: current nodejs version: 10.16.0 desired nodejs version: 22.x current ember-cli: 3.10.0 desired ember-cli: 6.4 what would be the key thin…

---

## [Dynamically add content to index.html from Ember app](https://discuss.emberjs.com/t/dynamically-add-content-to-index-html-from-ember-app/21649)

<div class="topic-metadata">

**Author:** [@Andrew\_Paterson](https://discuss.emberjs.com/u/Andrew_Paterson)\
**Replies:** 0\
**Last updated:** [May 29, 2025, 12:32pm UTC](https://discuss.emberjs.com/t/dynamically-add-content-to-index-html-from-ember-app/21649 "2025-05-29T12:32:33Z")

</div>

I know how you can dynamically add content to the index.html file of a consuming app, from an addon, using addon.contentFor. Is there a way to do this from the app itself? For example, I’d like to import a function from…

---

## [Add a script tag to index.html only on production build](https://discuss.emberjs.com/t/add-a-script-tag-to-index-html-only-on-production-build/7438)

<div class="topic-metadata">

**Author:** [@tschoartschi](https://discuss.emberjs.com/u/tschoartschi)\
**Replies:** 5\
**Last updated:** [March 13, 2025, 2:59pm UTC](https://discuss.emberjs.com/t/add-a-script-tag-to-index-html-only-on-production-build/7438 "2025-03-13T14:59:42Z")

</div>

Hello! How can I add a script-tag to index.html only when I build my app in production mode? The background to this is: We want to include a third party library but only when our app is in production mode. The constrai…

---

## [How to alias exports \> import in package.json with Ember Auto Import](https://discuss.emberjs.com/t/how-to-alias-exports-import-in-package-json-with-ember-auto-import/21387)

<div class="topic-metadata">

**Author:** [@Andrew\_Paterson](https://discuss.emberjs.com/u/Andrew_Paterson)\
**Replies:** 0\
**Last updated:** [December 3, 2024, 2:33pm UTC](https://discuss.emberjs.com/t/how-to-alias-exports-import-in-package-json-with-ember-auto-import/21387 "2024-12-03T14:33:06Z")

</div>

I’m trying to force Ember auto import to use ./dist/msw-config.js as the default export for the mirage-msw package. By default it uses the commonJS ./dist/msw-config.cjs file, which results in a browser error. The foll…

---

## [Broccoli middleware - Security update](https://discuss.emberjs.com/t/broccoli-middleware-security-update/21356)

<div class="topic-metadata">

**Author:** [@JanEaton](https://discuss.emberjs.com/u/JanEaton)\
**Replies:** 3\
**Last updated:** [October 30, 2024, 1:20am UTC](https://discuss.emberjs.com/t/broccoli-middleware-security-update/21356 "2024-10-30T01:20:34Z")

</div>

Hi, would it be possible to accept a PR to address security vulnerabilities in ansi-html library: Security Vulnerability: ansi-html@0.0.7 · Issue #56 · ember-cli/broccoli-middleware · GitHub Could you update the broccol…

---

## [Tips for Fully Utilizing Embroider from 0 to 100](https://discuss.emberjs.com/t/tips-for-fully-utilizing-embroider-from-0-to-100/20610)

<div class="topic-metadata">

**Author:** [@mikeelemuel](https://discuss.emberjs.com/u/mikeelemuel)\
**Replies:** 1\
**Last updated:** [September 2, 2024, 11:48am UTC](https://discuss.emberjs.com/t/tips-for-fully-utilizing-embroider-from-0-to-100/20610 "2024-09-02T11:48:17Z")

</div>

Hi everyone, I wanted to reach out for some advice on how to fully utilize Embroider in our Ember.js project. I noticed that certain configurations (as seen in section 1.0 below) were not set to true. As a result, the …

---

## [Dropdown in emberjs](https://discuss.emberjs.com/t/dropdown-in-emberjs/20579)

<div class="topic-metadata">

**Author:** [@rbsowmi](https://discuss.emberjs.com/u/rbsowmi)\
**Replies:** 1\
**Last updated:** [July 19, 2024, 1:58pm UTC](https://discuss.emberjs.com/t/dropdown-in-emberjs/20579 "2024-07-19T13:58:04Z")

</div>

i want to know about the ember dropdown code i gave if with tracked and action but the box is not hovering the page instead of that its pulled down the whole div i gave did anyone know about that

---

## [Some packages from node\_modules are missing from Ember registry in production mode](https://discuss.emberjs.com/t/some-packages-from-node-modules-are-missing-from-ember-registry-in-production-mode/20468)

<div class="topic-metadata">

**Author:** [@ablanco](https://discuss.emberjs.com/u/ablanco)\
**Replies:** 6\
**Last updated:** [April 4, 2024, 10:40am UTC](https://discuss.emberjs.com/t/some-packages-from-node-modules-are-missing-from-ember-registry-in-production-mode/20468 "2024-04-04T10:40:32Z")

</div>

I have a project that I am updating from Ember 3.28 to Ember 5.4. After a lot of updating everything works perfectly in development, the app runs well and there are no errors. But it doesn’t load when opening it in produ…

---

## [Anyone dealt with FIPS compliance?](https://discuss.emberjs.com/t/anyone-dealt-with-fips-compliance/20452)

<div class="topic-metadata">

**Author:** [@miketervela](https://discuss.emberjs.com/u/miketervela)\
**Replies:** 1\
**Last updated:** [March 24, 2024, 6:49pm UTC](https://discuss.emberjs.com/t/anyone-dealt-with-fips-compliance/20452 "2024-03-24T18:49:24Z")

</div>

My company is requiring FIPS requirements in all of its applications. That means no MD5, which Ember-cli appears to use (at least in our ember 3.24 app). I may be able to get an exception for this since it’s build code…

---

## ["ember-cli-update" updated app - but also created 5 new ones!](https://discuss.emberjs.com/t/ember-cli-update-updated-app-but-also-created-5-new-ones/17662)

<div class="topic-metadata">

**Author:** [@larryh](https://discuss.emberjs.com/u/larryh)\
**Replies:** 5\
**Last updated:** [February 7, 2024, 2:05pm UTC](https://discuss.emberjs.com/t/ember-cli-update-updated-app-but-also-created-5-new-ones/17662 "2024-02-07T14:05:02Z")

</div>

I have been using ember-cli-update for years and it has always worked fine. I just used it again, going from 3.15 to 3.17. It changed the following files in my current project: .editorconfig, .eslintrc.js, .travis.yml, …

---

## [Uncaught Error: Could not find module \`@ember/application\` imported from \`web-app/app\`](https://discuss.emberjs.com/t/uncaught-error-could-not-find-module-ember-application-imported-from-web-app-app/20388)

<div class="topic-metadata">

**Author:** [@Arunkumar\_Kannapiran](https://discuss.emberjs.com/u/Arunkumar_Kannapiran)\
**Replies:** 5\
**Last updated:** [January 24, 2024, 9:33am UTC](https://discuss.emberjs.com/t/uncaught-error-could-not-find-module-ember-application-imported-from-web-app-app/20388 "2024-01-24T09:33:40Z")

</div>

Why am I encountering the error 'Uncaught Error: Could not find module @ember/application ’ when trying to import it from ‘web-app/app’ in my Ember.js project? Specs: npm: 6.14.5 node: v14.4.0 ember-cli: 3.28.6 os: mac…

---

## [How to produce only 1 JS and CSS asset](https://discuss.emberjs.com/t/how-to-produce-only-1-js-and-css-asset/19839)

<div class="topic-metadata">

**Author:** [@everydaypanos](https://discuss.emberjs.com/u/everydaypanos)\
**Replies:** 3\
**Last updated:** [December 19, 2023, 3:01pm UTC](https://discuss.emberjs.com/t/how-to-produce-only-1-js-and-css-asset/19839 "2023-12-19T15:01:53Z")

</div>

Hi, I am using EmberJS to create a PWA application and it requires that only 1 app.js and 1 app.css files are generated. I have tried twiking Ember Auto Import and Webpack but it seems that there is a built-in functiona…

---

## [Is pods file layout deprecated?](https://discuss.emberjs.com/t/is-pods-file-layout-deprecated/17498)

<div class="topic-metadata">

**Author:** [@ondrejsevcik](https://discuss.emberjs.com/u/ondrejsevcik)\
**Replies:** 14\
**Last updated:** [December 6, 2023, 1:05pm UTC](https://discuss.emberjs.com/t/is-pods-file-layout-deprecated/17498 "2023-12-06T13:05:14Z")

</div>

Hello, during some experimentation with Glimmer components, I’ve found out that they don’t work in pods layout (original question here). There is also not a single mention about it in guides.emberjs.com. Does that mea…

---

## [Help with resolving upstream dependency conflict?](https://discuss.emberjs.com/t/help-with-resolving-upstream-dependency-conflict/20308)

<div class="topic-metadata">

**Author:** [@hess8](https://discuss.emberjs.com/u/hess8)\
**Replies:** 2\
**Last updated:** [November 17, 2023, 1:05am UTC](https://discuss.emberjs.com/t/help-with-resolving-upstream-dependency-conflict/20308 "2023-11-17T01:05:18Z")

</div>

Any tips on how to resolve this upstream dependency conflict? Thanks

---

## [Ember CLI fails after install on Ubuntu 22.04](https://discuss.emberjs.com/t/ember-cli-fails-after-install-on-ubuntu-22-04/20288)

<div class="topic-metadata">

**Author:** [@hess8](https://discuss.emberjs.com/u/hess8)\
**Replies:** 6\
**Last updated:** [October 27, 2023, 5:19am UTC](https://discuss.emberjs.com/t/ember-cli-fails-after-install-on-ubuntu-22-04/20288 "2023-10-27T05:19:58Z")

</div>

I’ve used ember on earlier versions of Ubuntu. It seems to install OK with sudo npm install -g ember-cli. But trying to run any ember command gives this error: /usr/local/lib/node\_modules/ember-cli/lib/models/projec…

---

## [Mirage scenarios are not loaded](https://discuss.emberjs.com/t/mirage-scenarios-are-not-loaded/20252)

<div class="topic-metadata">

**Author:** [@herrnesto](https://discuss.emberjs.com/u/herrnesto)\
**Replies:** 2\
**Last updated:** [September 29, 2023, 10:08am UTC](https://discuss.emberjs.com/t/mirage-scenarios-are-not-loaded/20252 "2023-09-29T10:08:57Z")

</div>

Hello :slight\_smile: To create db seeds for testing, the documentation is straight forward. Add your seeds to mirage/scenarios/default.js But in my case, the file wont be loaded. I added a console output additionally to…

---

## [Ember Upgrade on Mac M1](https://discuss.emberjs.com/t/ember-upgrade-on-mac-m1/20201)

<div class="topic-metadata">

**Author:** [@sanshou](https://discuss.emberjs.com/u/sanshou)\
**Replies:** 9\
**Last updated:** [August 17, 2023, 5:51pm UTC](https://discuss.emberjs.com/t/ember-upgrade-on-mac-m1/20201 "2023-08-17T17:51:21Z")

</div>

So question, our Ember app was no too long ago upgraded to 3.28 and I was asked to explore updating from our current direct API calls to using GraphQL. This seems like it should be an easy way to do things but of course …

---

## [Delete files from prod build](https://discuss.emberjs.com/t/delete-files-from-prod-build/20199)

<div class="topic-metadata">

**Author:** [@MR-H0200](https://discuss.emberjs.com/u/MR-H0200)\
**Replies:** 1\
**Last updated:** [August 14, 2023, 2:45am UTC](https://discuss.emberjs.com/t/delete-files-from-prod-build/20199 "2023-08-14T02:45:02Z")

</div>

Hello all, How can we remove some addon files from bundling to vendor.js during production build I already tried this but not working

---

## [Ember build getting failed](https://discuss.emberjs.com/t/ember-build-getting-failed/20170)

<div class="topic-metadata">

**Author:** [@vijaymailway](https://discuss.emberjs.com/u/vijaymailway)\
**Replies:** 0\
**Last updated:** [July 28, 2023, 11:50am UTC](https://discuss.emberjs.com/t/ember-build-getting-failed/20170 "2023-07-28T11:50:37Z")

</div>

While runing ember build, we are getting below error: yarn node v1.22.19 Invalid Version: undefined TypeError: Invalid Version: undefined at new SemVer (/apps/ado-agent/adoagent/\_work/44/s/50295-s2bv4-ui-core/login/node\_…

---

## [Addons are not deploying after ember build in ember-cli@2.18](https://discuss.emberjs.com/t/addons-are-not-deploying-after-ember-build-in-ember-cli-2-18/20168)

<div class="topic-metadata">

**Author:** [@haran5500](https://discuss.emberjs.com/u/haran5500)\
**Replies:** 0\
**Last updated:** [July 26, 2023, 12:32pm UTC](https://discuss.emberjs.com/t/addons-are-not-deploying-after-ember-build-in-ember-cli-2-18/20168 "2023-07-26T12:32:00Z")

</div>

Currently, I am updating my Ember app and Ember addon from Ember-cli@2.4 to Ember-cli@2.18. Now I am facing an issue related to deploying addons after the Ember build, even though my app and addon have the same Ember-cli…

---

## [Is there a working example of ember with source maps?](https://discuss.emberjs.com/t/is-there-a-working-example-of-ember-with-source-maps/20154)

<div class="topic-metadata">

**Author:** [@thestonehead](https://discuss.emberjs.com/u/thestonehead)\
**Replies:** 3\
**Last updated:** [July 24, 2023, 7:28am UTC](https://discuss.emberjs.com/t/is-there-a-working-example-of-ember-with-source-maps/20154 "2023-07-24T07:28:36Z")

</div>

I’ve searched high and low and only found discussions on the topic, but no solutions. I want just the basic hello world example where I have a typescript component and when I look it up in chrome (or any other browser)…

---

## [Different css output in prod buildd with ember-cli-sass](https://discuss.emberjs.com/t/different-css-output-in-prod-buildd-with-ember-cli-sass/20155)

<div class="topic-metadata">

**Author:** [@Szabo\_Bogdan](https://discuss.emberjs.com/u/Szabo_Bogdan)\
**Replies:** 3\
**Last updated:** [July 20, 2023, 9:57am UTC](https://discuss.emberjs.com/t/different-css-output-in-prod-buildd-with-ember-cli-sass/20155 "2023-07-20T09:57:56Z")

</div>

Hi everyone! I’m using ember-cli-sass v11.0.1, and I noticed that the production build has missing CSS attributes, even though when I render the app in develop mode works fine. development build example: .responsive-v…

---

## [How to exclude ember serve from watching a directory?](https://discuss.emberjs.com/t/how-to-exclude-ember-serve-from-watching-a-directory/20132)

<div class="topic-metadata">

**Author:** [@uioporqwerty](https://discuss.emberjs.com/u/uioporqwerty)\
**Replies:** 0\
**Last updated:** [June 30, 2023, 9:29pm UTC](https://discuss.emberjs.com/t/how-to-exclude-ember-serve-from-watching-a-directory/20132 "2023-06-30T21:29:24Z")

</div>

I have a folder that I would like to stop ember from watching. It’s the “ios” folder and it lives as a sibling to the “app” folder. I’ve tried adding a .watchmanconfig file with “ignore\_dirs” specified to “\[‘ios’\]”, but …

---

## [Console error : Could not find 'ember-resolver' in dev setup](https://discuss.emberjs.com/t/console-error-could-not-find-ember-resolver-in-dev-setup/20063)

<div class="topic-metadata">

**Author:** [@haran5500](https://discuss.emberjs.com/u/haran5500)\
**Replies:** 1\
**Last updated:** [April 25, 2023, 4:53pm UTC](https://discuss.emberjs.com/t/console-error-could-not-find-ember-resolver-in-dev-setup/20063 "2023-04-25T16:53:37Z")

</div>

Hi, I am migrating my app from Ember v2.4 to Ember v2.18. I have used ‘ember init’ for this upgrade process and the changed files accordingly what are listed. Have updated the node\_modules/ folder but the same error. U…

---

## [Ember-cli-babel throwing error when linking addon](https://discuss.emberjs.com/t/ember-cli-babel-throwing-error-when-linking-addon/19963)

<div class="topic-metadata">

**Author:** [@BoussonKarel](https://discuss.emberjs.com/u/BoussonKarel)\
**Replies:** 8\
**Last updated:** [March 21, 2023, 3:20pm UTC](https://discuss.emberjs.com/t/ember-cli-babel-throwing-error-when-linking-addon/19963 "2023-03-21T15:20:24Z")

</div>

I’m having an ember-cli-babel issue when linking one of my addons to our apps. It’s throwing the following error: Class constructor Plugin cannot be invoked without 'new' Stack Trace and Error Report: /tmp/error.dump…

---

## [Broccoli-babel-transpiler is opting out of caching due to a plugin that does not provide a caching strategy](https://discuss.emberjs.com/t/broccoli-babel-transpiler-is-opting-out-of-caching-due-to-a-plugin-that-does-not-provide-a-caching-strategy/19959)

<div class="topic-metadata">

**Author:** [@BoussonKarel](https://discuss.emberjs.com/u/BoussonKarel)\
**Replies:** 1\
**Last updated:** [March 3, 2023, 4:46pm UTC](https://discuss.emberjs.com/t/broccoli-babel-transpiler-is-opting-out-of-caching-due-to-a-plugin-that-does-not-provide-a-caching-strategy/19959 "2023-03-03T16:46:46Z")

</div>

Hi, I’m getting the following error and don’t know what it means: 14:40:25 broccoli-babel-transpiler is opting out of caching due to a plugin that does not provide a caching strategy: \`function embroiderFirstMacrosTrans…

[Next page](https://discuss.emberjs.com/c/ember-cli/13.md?page=1)
