message: types: use partial replace optional
diff: @@ -72,12 +72,10 @@ export interface IConfig {
  proxyKey: string[]
  }
  -type Optional <T>= { [key in keyof T]?: T[key] }
  -
  export interface proxyOptions {
  express?: boolean
  }
  -export type UserConfig = Optional<IConfig>
  +export type UserConfig = Partial<IConfig>
  export interface StyleOptions {
  rule: string
  