ember-rollup

3.0.0 verified Mon Apr 27 auth: no javascript

Ember addon that uses Rollup to bundle ES6/ES2015 runtime dependencies for ember-cli addons. Version 3.0.0 is the latest stable release. Developed primarily by asakusuma, it wraps addon exports so that ES module dependencies can be imported under a namespaced path (e.g., 'my-addon/my-module'). Supports custom Rollup entry points and optional opt-out of namespacing for shared modules. Handles Babel transpilation automatically. Suitable for ember-cli addon authors needing to bundle modern JavaScript dependencies. The package is a utility function, not a typical Ember addon, and requires Node 10+.

Common errors

error Cannot find module 'ember-rollup' ↓

cause ember-rollup is not installed or not in node_modules.

fix

Run npm install --save ember-rollup or add it to dependencies in package.json.

error RollupError: Could not resolve entry module ↓

cause The `rollupEntry` path does not exist or package.json missing `jsnext:main`/`module`.

fix

Verify the package has an ES module entry or set rollupEntry to a valid path.

Warnings

breaking Version 3.0.0 drops support for Node <10 and may have different rollup config expectations. ↓

fix Upgrade Node to 10+ and ensure rollup.config.js is not relied upon; ember-rollup handles rollup internally.

deprecated The `jsnext:main` field is deprecated in favor of `module` in package.json. ember-rollup checks `module` first. ↓

fix If using a package with only `jsnext:main`, it still works but consider migrating to `module`.

gotcha If a dependency does not provide `jsnext:main` or `module`, ember-rollup falls back to `main` and treats it as CommonJS. This may break tree-shaking. ↓

fix Use `rollupEntry` option to manually specify an ES module entry point.

gotcha Namespacing is on by default; if two addons bundle the same module, they get separate copies unless namespaced is false. ↓

fix Set `namespaced: false` on the dependency config to force a single version in the app.

Install

npm install ember-rollup

yarn add ember-rollup

pnpm add ember-rollup

Imports

default

wrong

import emberRollup from 'ember-rollup'; (will work only if package is ESM-compatible, but it's CJS)

correct

const emberRollup = require('ember-rollup');

Package is CommonJS; use require(). Default export is a function.

default with ES modules
```
import emberRollup from 'ember-rollup'; // if project supports CJS interop
```
Some bundlers/TypeScript may allow default import, but the correct CJS pattern is require().

require

wrong

const { emberRollup } = require('ember-rollup'); (there is no named export)

correct

const emberRollup = require('ember-rollup');

The package exports a single function as the module.exports.

Quickstart

Shows basic usage of ember-rollup to wrap an addon's index.js with runtime dependencies.

// my-addon/index.js
const emberRollup = require('ember-rollup');
const runtimeDependencies = ['my-module', 'rsvp'];
module.exports = emberRollup(runtimeDependencies, {
  name: 'my-addon',
  isDevelopingAddon: () => true,
  options: {}
});
// my-addon/app/my-thing.js
import myModule from 'my-addon/my-module';
import RSVP from 'my-addon/rsvp';