import logger from '@core/picgo/logger' class ShortKeyService { private commandList: Map = new Map() registerCommand (command: string, handler: IShortKeyHandler) { this.commandList.set(command, handler) } unregisterCommand (command: string) { this.commandList.delete(command) } getShortKeyHandler (command: string): IShortKeyHandler | null { const handler = this.commandList.get(command) if (handler) return handler logger.warn(`cannot find command: ${command}`) return null } getCommandList () { return [...this.commandList.keys()] } } export default new ShortKeyService()