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https://github.com/ampproject/rollup-plugin-closure-compiler
Leverage Closure Compiler to minify and optimize JavaScript with Rollup.
https://github.com/ampproject/rollup-plugin-closure-compiler
Last synced: 4 days ago
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Leverage Closure Compiler to minify and optimize JavaScript with Rollup.
- Host: GitHub
- URL: https://github.com/ampproject/rollup-plugin-closure-compiler
- Owner: ampproject
- License: apache-2.0
- Created: 2018-06-29T00:12:57.000Z (over 6 years ago)
- Default Branch: main
- Last Pushed: 2024-03-10T00:29:38.000Z (9 months ago)
- Last Synced: 2024-05-10T11:22:05.566Z (7 months ago)
- Language: TypeScript
- Homepage:
- Size: 1.35 MB
- Stars: 291
- Watchers: 12
- Forks: 30
- Open Issues: 74
-
Metadata Files:
- Readme: README.md
- Contributing: .github/CONTRIBUTING.md
- License: LICENSE
- Code of conduct: .github/CODE_OF_CONDUCT.md
Awesome Lists containing this project
- awesome - closure-compiler
README
# rollup-plugin-closure-compiler
Leverage [Closure Compiler](https://developers.google.com/closure/compiler/) to minify and optimize JavaScript with [Rollup](https://rollupjs.org/guide/en).
Generally Closure Compiler will produce superior minification than other projects, but historically has been more difficult to use. The goal of this plugin is to reduce this friction.
## Installation
```bash
npm install @ampproject/rollup-plugin-closure-compiler --save-dev
```
## Usage
Invoke Closure Compiler from your Rollup configuration.
```js
// rollup.config.js
import compiler from '@ampproject/rollup-plugin-closure-compiler';
export default {
input: 'main.js',
output: {
file: 'bundle.js',
format: 'iife',
},
plugins: [
compiler(),
],
}
```
If you would like to provide additional [flags and options](https://github.com/google/closure-compiler/wiki/Flags-and-Options) to Closure Compiler, pass them via key-value pairs.
```js
// rollup.config.js
import compiler from '@ampproject/rollup-plugin-closure-compiler';
export default {
input: 'main.js',
output: {
file: 'bundle.js',
format: 'iife',
},
plugins: [
compiler({
formatting: 'PRETTY_PRINT'
}),
],
}
```
### Automatic Closure Configuration
This plugin will modify the enable the `assume_function_wrapper` output option for Closure Compiler when `es` format is specifed to Rollup. **Note**: This is overrideable via passed flags and options.
```js
// rollup.config.js
import compiler from '@ampproject/rollup-plugin-closure-compiler';
export default {
input: 'main.js',
output: {
file: 'bundle.js',
format: 'es',
},
plugins: [
compiler(),
],
}
```
If your Rollup configuration outputs an IIFE format bundle with a specified name, this plugin will add an extern to ensure the name does not get mangled. **Note**: This is overrideable via passed flags and options.
```js
// rollup.config.js
import compiler from '@ampproject/rollup-plugin-closure-compiler';
export default {
input: 'main.js',
output: {
file: 'bundle.js',
format: 'iife',
name: 'MyAwesomeThing'
},
plugins: [
compiler(),
],
}
```
## Security disclosures
The AMP Project accepts responsible security disclosures through the [Google Application Security program](https://www.google.com/about/appsecurity/).
## Code of conduct
The AMP Project strives for a positive and growing project community that provides a safe environment for everyone. All members, committers and volunteers in the community are required to act according to the [code of conduct](.github/CODE_OF_CONDUCT.md).
## License
rollup-plugin-closure-compiler is licensed under the [Apache License, Version 2.0](LICENSE).