composer插件(plugin)的开发入门_介绍开发composer插件的基本步骤

{
  "name": "your-vendor/my-composer-plugin",
  "type": "composer-plugin",
  "require": {
    "php": "^7.4 || ^8.0",
    "composer-plugin-api": "^2.0",
    "composer/composer": "^2.0"
  },
  "autoload": {
    "psr-4": {
      "MyPlugin\": "src/"
    }
  },
  "extra": {
    "class": "MyPlugin\MyPlugin"
  }
}

// src/MyPlugin.php
namespace MyPlugin;

use ComposerComposer;
use ComposerIOIOInterface;
use ComposerPluginPluginInterface;

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

    public function deactivate(Composer $composer, IOInterface $io)
    {
        // 插件被停用时执行
    }

    public function uninstall(Composer $composer, IOInterface $io)
    {
        // 插件被卸载时执行
    }
}

use ComposerEventDispatcherEventSubscriberInterface;
use ComposerScriptScriptEvents;

class MyPlugin implements PluginInterface, EventSubscriberInterface
{
    public function activate(Composer $composer, IOInterface $io)
    {
        // 不需要手动注册，只要实现 EventSubscriberInterface 即可
    }

    public static function getSubscribedEvents()
    {
        return [
            ScriptEvents::POST_INSTALL_CMD => 'onPostInstall',
        ];
    }

    public function onPostInstall()
    {
        file_put_contents('plugin_ran.txt', 'Post install hook triggered by plugin');
    }
}

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