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Vite integration

Helps with Vite generated app Twig integration, no less, no more ("Vite fait, bien fait").

Basic usage:

• install it,
• create one or many vite applications, or a single one with multiple entry points (really, your architecture or methodology doesn't matter),
• copy or set the output build path for each app each in its own directory under the Symfony public/ directory,
• register each application manifest.json file in this bundle configuration,
• use {{ vite_head('app_name') }} and {{ vite_body('app_name') }} in pages you need it.

Twig functions are opiniated and will include the app as a Javascript module.

If your kernel current environment is dev, it will include a link toward the development server instead. For this to work, you need to have Vite running.

Packages does not specify and Symfony dependency or version constraint. It should in theory work with any 6.0 and 7.0 version.

Setup

Install it

Simply:

Then add into your config/bundles.php file:

There is no specific configuration aside Vite apps registration as documented below. Every step is important so please take time to read.

Building your Vite application

We are going to consider that you already have one, and it's outside of the Symfony project root.

You need to set a few options into your vite.config.js file:

The most important detail here is that this bundle requires that you build a manifest.json file, otherwise it'll be unable to find files to include.

If you need to include the main.ts file generated asset, you need it to be specified in build.rollupOptions.input option, otherwise it won't appear in the manifest file.

Then build it with whatever npm or yarn tool you are used to:

Register it in the bundle

Create the config/packages/vite.yaml file:

Beware we require that it must be under the public/ directory.

The dev_url entry allows you to use the development mode when the kernel environment is dev. Right now the environment name is hardcoded but will be configurable later.

If you explicitely set null for dev_url then the development mode is disabled.

Put some assets anywhere you need it

Edit any Twig file and add the following two function calls:

Some other parameters can change the head script behaviour:

• First parameter is your app name defined in yaml configuration and is required.
• Second parameter is entry point file name, default is set to src/main.ts i.e. the same as the given name in vite.config.js file build.rollupOptions.input entry. If you gave another name, you must change the name here.

A word about manifest.json parsing

When your environment is dev, manifest.json files are not parsed during container compilation, but at runtime when first accessed. This means that you don't need any further operation when rebuilding your Vite app.

For all other environements, manifest.json files are parsed during container compilation, entries are cached into the container itself: you will need to rebuild caches when you redeploy your app.

If you need to be able to configure environment or need a different behavior, please open an issue, any improvement or suggestion is welcome.

Alternatives

A few alternatives exist, at least those:

• https://packagist.org/packages/bechir/vite-bundle
• https://packagist.org/packages/daddl3/vite-symfony-bundle
• https://packagist.org/packages/pentatrion/vite-bundle

All three have taken a different paths. Biggest different with this package is we do not attempt to replicate symfony/webpack-encore-bundle on its own. We consider that if you are interested in Vite and willing to use it, simply create a vanilla Vite project: this bundle will only give you a way to easily import its assets into Twig templates.