Default Bundler Loaders

Several loaders are available for the liferay-npm-bundler by default:

babel-loader: processes source files with Babel. This avoids an extra build step before the bundler.
copy-loader: copies source files (static assets) to the output folder.
css-loader: converts a CSS file into a JavaScript module that’s inserted into the DOM once it’s loaded.
json-loader: generates JavaScript modules that export the contents of a JSON file as an object, so you can include JSON files with the require() call.
sass-loader: runs node-sass or sass on source files, so you can generate static CSS files. It can be chained before style-loader.
style-loader: converts a CSS file into a JavaScript module that inserts the CSS contents into the DOM once it’s loaded. Then you can include CSS files with a require() call.

See the liferay-js-toolkit loaders showcase for an example use case of the liferay-npm-bundler’s loaders. If the default loaders don’t meet your requirements, you can follow the instructions in Creating Custom Loaders for the Bundler to create your own loaders.

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