kylefang/mobx-utils
1
0
Fork 0
mirror of https://github.com/zhigang1992/mobx-utils.git synced 2026-06-19 01:36:37 +08:00
Code Issues Packages Projects Releases Wiki Activity

Fix IBasePromiseBasedObservable

Browse Source 
Currently, attempting to access the stale value in the pending cause will throw
`Type '(staleValue: any) => Element' is not assignable to type '() => Element'`
This commit is contained in:
Ricardo Marques
2019-06-17 22:48:45 -05:00
committed by GitHub
parent 717ad1fd90
commit 8a6dc8b1d3
1 changed files with 8 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
src/from-promise.ts
View File

@@ -7,9 +7,15 @@ export const PENDING = "pending"
export const FULFILLED = "fulfilled"
export const REJECTED = "rejected"
type CaseHandlers<U, T> = {
pending?: (t?: T) => U
fulfilled?: (t: T) => U
rejected?: (e: any) => U
}
export type IBasePromiseBasedObservable<T> = {
isPromiseBasedObservable: true
case<U>(handlers: { pending?: () => U; fulfilled?: (t: T) => U; rejected?: (e: any) => U }, defaultFulfilled?: boolean): U
case<U>(handlers: CaseHandlers<U, T>, defaultFulfilled?: boolean): U
} & PromiseLike<T>
export type IPendingPromise = {
@@ -30,11 +36,7 @@ export type IRejectedPromise = {
export type IPromiseBasedObservable<T> = IBasePromiseBasedObservable<T> &
(IPendingPromise | IFulfilledPromise<T> | IRejectedPromise)
function caseImpl<U, T>(handlers: {
pending?: (t?: T) => U
fulfilled?: (t: T) => U
rejected?: (e: any) => U
}): U {
function caseImpl<U, T>(handlers: CaseHandlers<U, T>): U {
switch (this.state) {
case PENDING:
return handlers.pending && handlers.pending(this.value)