MrKBear/mini-dlpu-v3
MrKBear/mini-dlpu-v3
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(#60) Remove mixin generic paradigm.

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This commit is contained in:
MrKBear 2022-01-23 12:08:38 +08:00
parent 292a4c26c5
commit 464a9d3e59
2 changed files with 14 additions and 12 deletions
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13
miniprogram/core/Api.ts
View File

@ -1,4 +1,4 @@
import { Emitter, EventType } from "./Emitter";
import { Emitter, EventType, EventMixin } from "./Emitter";
import { API_FAILED_SHOW_MESSAGE } from "./Config";
import { Logger, LogLabel, LevelLogLabel, colorRadio, StatusLabel } from "./Logger";
interface IAppAPIParam {
@ -156,16 +156,7 @@ class API<
O extends IAnyData = IAnyData,
E extends Record<EventType, any> = Record<EventType, any>,
U extends IAnyData = IAnyData
> extends Emitter <
{
// 这个复杂的泛型是为了 MixIn 用户自定义事件类型
// 懂得如何使用就可以了
// 不要试图去理解下面这三行代码，真正的恶魔在等着你
[P in (keyof (IAPIEvent<I, O> & IAPIResultEvent<O, U>) | keyof E)] :
P extends keyof IAPIEvent<I, O> ? IAPIEvent<I, O>[P] :
P extends keyof IAPIResultEvent<O, U> ? IAPIResultEvent<O, U>[P] : E[P]
}
> {
> extends Emitter<EventMixin<IAPIEvent<I, O> & IAPIResultEvent<O, U>, E>> {
/**
* 默认调试标签

13
miniprogram/core/Emitter.ts
View File

@ -15,7 +15,18 @@ export type EventHandlerMap<Events extends Record<EventType, any>> = Map<
// Emitter function type
type IEmitParamType<E extends Record<EventType, any>, K extends keyof E> =
E[K] extends ( undefined | void ) ? [K] : [K, E[K]];
E[K] extends ( undefined | void ) ? [type: K] : [type: K, evt: E[K]];
// Mixin to event object
export type EventMixin<A extends Record<EventType, any>, B extends Record<EventType, any>> = {
[P in (keyof A | keyof B)] :
P extends (keyof A & keyof B) ?
A[P] :
P extends keyof A ?
A[P] :
P extends keyof B ? B[P] :
never;
}
export class Emitter<Events extends Record<EventType, any>> {