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Example code of alto/importmap

Informations about the package importmap

Alto ImportMap

Alto ImportMap is a PHP library to build, validate, and render import maps in PHP for web applications. It supports imports, scopes and integrity metadata, and includes a resolver aligned with the WICG resolution algorithm.

Installation

Basic Usage

1. Create an ImportMap

You can build an ImportMap manually or by adding entries.

2. Load from File (Optional)

You can also load an existing import map from a JSON file.

3. Render to HTML

Use the HtmlRenderer to generate the <script type="importmap"> tag. It also supports modulepreload links for performance.

Output:

Advanced Features

Scoped Imports

You can define imports that only apply to specific scopes (paths).

Integrity Hashes

Ensure security by adding integrity hashes (SRI) to your entries. The renderer includes these in the import map. The Resolver can also use them, and you can access them via the $map->integrity property if needed for other tags.

Merging Maps

You can combine multiple maps, which is useful for modular applications.

Resolving Imports

The NativeResolver implements the WICG Import Maps resolution algorithm. This allows you to resolve a specifier to a URL within your PHP application (e.g., for bundling or server-side rendering).

Development

Running Tests

Static Analysis

Code Formatting

License

This project is licensed under the MIT License - see the LICENSE file for details.

All versions of importmap with dependencies

PHP Build Version
Package Version
Requires php Version >=8.3
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