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Component Installer for Laminas and Mezzio Applications

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This repository contains the Composer plugin class Laminas\ComponentInstaller\ComponentInstaller, which provides Composer event hooks for the events:

  • post-package-install
  • post-package-uninstall

Via Composer global install

To install the utility for use with all projects you use:

$ composer global require laminas/laminas-component-installer

Per project installation

To install the utility for use with a specific project already managed by composer:

$ composer require laminas/laminas-component-installer

Writing packages that utilize the installer

Packages can opt-in to the workflow from laminas-component-installer by defining one or more of the following keys under the extra.laminas configuration in their composer.json file:

"extra": {
  "laminas": {
    "component": "Component\\Namespace",
    "config-provider": "Classname\\For\\ConfigProvider",
    "module": "Module\\Namespace"
  }
}

  • A component is for use specifically with laminas-mvc + laminas-modulemanager; a Module class must be present in the namespace associated with it. The setting indicates a low-level component that should be injected to the top of the modules list of one of:

    • config/application.config.php
    • config/modules.config.php
    • config/development.config.php

  • A module is for use specifically with laminas-mvc + laminas-modulemanager; a Module class must be present in the namespace associated with it. The setting indicates a userland or third-party module that should be injected to the bottom of the modules list of one of:

    • config/application.config.php
    • config/modules.config.php
    • config/development.config.php

  • A config-provider is for use with applications that utilize mezzio-config-manager or laminas-config-aggregator (which may or may not be Mezzio applications). The class listed must be an invokable that returns an array of configuration, and will be injected at the top of:

    • config/config.php

Whitelisting packages to install automatically

At the project level, you can mark packages that expose configuration providers and modules that you want to automatically inject via the component-whitelist key:

"extra": {
  "laminas": {
    "component-whitelist": [
      "mezzio/mezzio",
      "mezzio/mezzio-helpers"
    ]
  }
}

This configuration must be made at the root package level (the package consuming configuration providing packages).