Function when

packages/mobx/src/api/when.ts:29–34

(predicate: any, arg1?: any, arg2?: any)

    opts?: IWhenOptions
): IReactionDisposer
export function when(predicate: any, arg1?: any, arg2?: any): any {
    if (arguments.length === 1 || (arg1 && typeof arg1 === "object")) {
        return whenPromise(predicate, arg1)
    }
    return _when(predicate, arg1, arg2 || {})
}

function _when(predicate: () => boolean, effect: Lambda, opts: IWhenOptions): IReactionDisposer {
    let timeoutHandle: any