composer插件怎么开发_介绍开发composer插件的基本方法

{
  "name": "your-vendor/my-composer-plugin",
  "type": "composer-plugin",
  "require": {
    "composer-plugin-api": "^2.0",
    "composer/composer": "^2.0"
  },
  "autoload": {
    "psr-4": {
      "MyPlugin\": "src/"
    }
  },
  "extra": {
    "class": "MyPlugin\Plugin"
  }
}

<?php

namespace MyPlugin;

use ComposerComposer;
use ComposerIOIOInterface;
use ComposerPluginPluginInterface;

class Plugin implements PluginInterface
{
    public function activate(Composer $composer, IOInterface $io)
    {
        $io->write('<info>My custom plugin is activated!</info>');
        
        // 可以在这里注册事件监听器或命令
    }

    public function deactivate(Composer $composer, IOInterface $io)
    {
        // 插件被移除时调用
    }

    public function uninstall(Composer $composer, IOInterface $io)
    {
        // 插件卸载时调用
    }
}

use ComposerEventDispatcherEventSubscriberInterface;
use ComposerInstallerPackageEvent;
use ComposerScriptScriptEvents;

public function activate(Composer $composer, IOInterface $io)
{
    $eventDispatcher = $composer->getEventDispatcher();
    $eventDispatcher->addSubscriber(new class implements EventSubscriberInterface {
        public static function getSubscribedEvents()
        {
            return [
                ScriptEvents::POST_INSTALL_CMD => 'onPostInstall',
                ScriptEvents::POST_UPDATE_CMD  => 'onPostUpdate',
            ];
        }

        public function onPostInstall($event)
        {
            $event->getIO()->write('<comment>Running post-install tasks...</comment>');
            // 执行你的逻辑
        }

        public function onPostUpdate($event)
        {
            $event->getIO()->write('<comment>Running post-update tasks...</comment>');
        }
    });
}

"repositories": [
  {
    "type": "path",
    "url": "../my-composer-plugin"
  }
]

composer require your-vendor/my-composer-plugin