APIActive

Rollup JavaScript API

Node.js JavaScript API for building Rollup bundles programmatically.

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Field note

What it does

Rollup provides a JavaScript API usable from Node.js for extending Rollup or generating bundles programmatically.

Capabilities

Available capabilities

Generate bundle in memoryIn-memory bundle generationWatch mode for incremental rebuildsLoad config programmaticallyAdvanced log filteringWrite bundle to diskIn-memory output generationModule graph buildingWatch filesProgrammatic config loadingTree ShakingFile watchingBuild module graphProgrammatic bundlingProgrammatic bundle generation

Tags

Tags

BundlerJavaScript APINode.jsJavaScript

Ways to use it

Ways to use it

npm

javascript / rollup

npm

javascript / rollup

npm

JavaScript / rollup

Product features

Product features

assert> ​

bundle.close

Lets plugins clean up external processes via the closeBundle hook.

bundle.generate

Generates output in-memory and can be called multiple times per bundle.

bundle.write

Writes generated output directly to disk.

--bundleConfigAsCjs ​

Caveats when using native Node ES modules ​

Command line flags ​

Command Line Interface

Config Intellisense ​

--configImportAttributesKey <with

Configuration Files ​

Differences to the JavaScript API ​

Getting the current directory ​

Importing package.json ​

Loading a configuration from a Node package ​

Accessing the parser

Access Rollup's parser.

Programmatically loading a config file

Load a Rollup config file programmatically.

rollup.rollup

Receives input options and returns a Promise resolving to a bundle object.

rollup.watch

Watch API with watchOptions for rebuilding on changes.