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A non-official but ultrafast drop-in replacement for the liferay-npm-bundler.

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jwanner83/liferay-npm-bundler-improved

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liferay-npm-bundler-improved

liferay-npm-bundler-improved is a high-speed, unofficial drop-in replacement for the liferay-npm-bundler with added watch mode functionality.

description

liferay-npm-bundler-improved is a bundler for liferay portlets that consolidates all dependencies into a single file. Additionally, it copies assets into the build folder and provides access to them through the web context URL. The tool also offers a watch mode that rebuilds the portlet upon file changes.

getting started

installation

To install, run the following command:

pnpm i --D liferay-npm-bundler-improved

existing portlet

To use liferay-npm-bundler-improved in an existing portlet, replace instances of liferay-npm-bundler with liferay-npm-bundler-improved in your build command.

copy sources

If your build command includes lnbs-copy-sources, remove it and add --copy-sources to the liferay-npm-bundler-improved command.

copy assets

For assets located in the assets folder that need to be available through the web context URL, remove the lnbs-copy-assets command from your existing build command and add --copy-assets to the liferay-npm-bundler-improved call.

new portlet

Refer to the examples folder for guidance on using liferay-npm-bundler-improved in a react, vue, or plain js portlet.

advantages

The main advantages of using liferay-npm-bundler-improved are enhanced speed and a better **developer experience **.

speed

The build time for an average portlet with liferay-npm-bundler-improved is approximately 0.1s, regardless of module size. This represents a significant improvement over the official liferay-npm-bundler.

developer experience

liferay-npm-bundler-improved offers detailed error reporting, aiding developers in identifying and resolving issues. Examples include identifying missing keys in package.json and detecting missing entry files.

deploy mode

When the --deploy option or -d is set, the bundler deploys the portlet to the server after the build, using the path specified in the .env file under LIFERAY_DEPLOYMENT_PATH.

watch mode

liferay-npm-bundler-improved supports a watch mode, allowing automatic portlet rebuilds upon file changes. This is invaluable for immediate feedback during portlet development. Include the --watch option or -w in the build command to enable watch mode. (It is possible to use the --deploy option in conjunction with the --watch option.)

Important

The watch mode currently works exclusively with vite as the build tool. It is highly efficient for smaller bundles but may not be as effective for larger ones (taking more than 10 seconds to complete).

missing features

While the current implementation is suitable for most use cases, there are a few features from the original implementation that are not yet supported:

  • Package deduplication (not planned for implementation)
  • System configuration - Gathering interest for implementation (link)

* The official bundler is available on GitHub

** Timings are based on an Apple M1 MacBook Pro. On Windows, the timing is approximately 0.3s.

*** The package deduplication feature is not planned due to its potential impact on bundler speed and the perceived low usage in practice.