Method isInstalled

packages/core/src/Core/PluginManager.ts:191–193

* 检查插件是否已安装 * * @param name - 插件名称 * @returns 是否已安装

(name: string)

     * @returns 是否已安装
     */
    public isInstalled(name: string): boolean {
        return this._plugins.has(name);
    }

    /**
     * 检查插件依赖