Function register

packages/melonjs/src/plugin/plugin.ts:92–123

(
	pluginClass: new (...args: any[]) => BasePlugin,
	name?: string,
	...args: any[]
)

 * me.plugin.cache.testPlugin.myfunction ();
 */
export function register(
	pluginClass: new (...args: any[]) => BasePlugin,
	name?: string,
	...args: any[]
): void {
	// derive name from class if not provided
	const pluginName =
		name || pluginClass.name || pluginClass.toString().match(/ (\w+)/)![1];

	// ensure me.plugins[name] is not already "used"
	if (cache[pluginName]) {
		throw new Error(`plugin ${pluginName} already registered`);
	}

	// try to instantiate the plugin
	const instance = new pluginClass(...args);

	// inheritance check
	if (typeof instance === "undefined" || !(instance instanceof BasePlugin)) {
		throw new Error("Plugin should extend the BasePlugin Class !");
	}

	// compatibility testing
	if (checkVersion(instance.version, version) > 0) {
		throw new Error(
			`Plugin version mismatch, expected: ${instance.version}, got: ${version}`,
		);
	}

	// create a reference to the new plugin
	cache[pluginName] = instance;
}

/**
 * returns the plugin instance with the specified class type or registered name