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rollup-config.md

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Supported Rollup Config Options

Nollup supports a subset of Rollup configuration options. The reason for this is because only a subset of the options make sense to be used in development, while others make more sense of production and optimising a production build. For options that Nollup doesn't understand, they are just simply ignored. Below describes what is supported.

See Rollup documentation for more information about each of these options.

Options

  • input - Supports string, Object or Array<String>.
  • output - See below for support options.
  • plugins - Use the same Rollup plugins.
  • external - Supports Array<String> or Function.
  • acornInjectPlugins - Can pass array of additional Acorn plugins here.
  • watch See below for notes on this option.
  • context - Same as Rollup.
  • moduleContext - Same as rollup.

Output Options

  • file - If using this option, the full path is the URL.
  • dir - Nothing is done with it. Point it to dist or similar.
  • entryFileNames - See below note.
  • chunkFileNames - See below note.
  • assetFileNames - See below note.
  • format - Only support for es, cjs, amd or iife.
  • globals - Remapping for window variables.

For file name pattern options, when the bundle is generated, it will serve files based on what the pattern says. The dir option is completely ignored and not part of the generated URL.

Important to note as well that [hash] is never converted. This is intentional to make it easier to reference files during development, especially in files such as index.html. For production builds with Rollup, it's recommended to use plugins such as rollup-plugin-static-files to auto-inject the hash.

Watch Options

Nollup does not provide a watch() function like Rollup does, instead providing a web server. For compatibility, the Nollup dev server and middleware will respect this option. Both of the following options are supported:

  • include - Will only listen to these directories for changes.
  • exclude - Will listen to all directories but these ones for changes.

Nollup also injects the process.env.ROLLUP_WATCH environment variable. To differentiate between Rollup watch and Nollup though, there's also the process.env.NOLLUP environment variable.

Plugin Hooks

Rollup plugins should work.

The following lifecycle methods have been implemented:

buildStart,
buildEnd,
options,
outputOptions,
intro,
outro,
banner,
footer,
generateBundle,
resolveDynamicImport,
resolveId,
load,
transform,
renderChunk,
renderError,
renderStart,
resolveFileUrl,
resolveImportMeta,
moduleParsed

Plugin Context

See Rollup Plugin Context for more information. Plugins can use the following methods in their lifecycle methods.

this.meta
this.addWatchFile(filepath)
this.emitFile(file)
this.getFileName(id)
this.parse(code, acornOptions)
this.warn(warning)
this.error(error)
this.emitAsset(assetName, source)
this.getAssetFileName(assetId)
this.emitChunk(id, options)
this.getChunkFileName(chunkId)
this.setAssetSource(assetId, source);
this.resolveId(importee, importer)
this.getCombinedSourcemap()
this.getModuleInfo(moduleId)
this.moduleIds
this.resolve(importee, importer, opts)