Files
effect-fc/packages/effect-fc/src/Async.ts
Julien Valverdé 0718ba48bd
All checks were successful
Lint / lint (push) Successful in 41s
Fix ErrorObserver
2025-11-08 01:35:58 +01:00

86 lines
2.7 KiB
TypeScript

/** biome-ignore-all lint/complexity/useArrowFunction: necessary for class prototypes */
import { Effect, Function, Predicate, Runtime, Scope } from "effect"
import * as React from "react"
import * as Component from "./Component.js"
export const TypeId: unique symbol = Symbol.for("@effect-fc/Async/Async")
export type TypeId = typeof TypeId
export interface Async extends Async.Options {
readonly [TypeId]: TypeId
}
export namespace Async {
export interface Options {
readonly defaultFallback?: React.ReactNode
}
export type Props = Omit<React.SuspenseProps, "children">
}
const SuspenseProto = Object.freeze({
[TypeId]: TypeId,
makeFunctionComponent<P extends {}, A extends React.ReactNode, E, R>(
this: Component.Component<P, A, E, R> & Async,
runtimeRef: React.RefObject<Runtime.Runtime<Exclude<R, Scope.Scope>>>,
) {
const SuspenseInner = (props: { readonly promise: Promise<React.ReactNode> }) => React.use(props.promise)
return ({ fallback, name, ...props }: Async.Props) => {
const promise = Runtime.runPromise(runtimeRef.current)(
Effect.andThen(
Component.useScope([], this),
scope => Effect.provideService(this.body(props as P), Scope.Scope, scope),
)
)
return React.createElement(
React.Suspense,
{ fallback: fallback ?? this.defaultFallback, name },
React.createElement(SuspenseInner, { promise }),
)
}
},
} as const)
export const isAsync = (u: unknown): u is Async => Predicate.hasProperty(u, TypeId)
export const async = <T extends Component.Component<any, any, any, any>>(
self: T
): (
& Omit<T, keyof Component.Component.AsComponent<T>>
& Component.Component<
Component.Component.Props<T> & Async.Props,
Component.Component.Success<T>,
Component.Component.Error<T>,
Component.Component.Context<T>
>
& Async
) => Object.setPrototypeOf(
Object.assign(function() {}, self),
Object.freeze(Object.setPrototypeOf(
Object.assign({}, SuspenseProto),
Object.getPrototypeOf(self),
)),
)
export const withOptions: {
<T extends Component.Component<any, any, any, any> & Async>(
options: Partial<Async.Options>
): (self: T) => T
<T extends Component.Component<any, any, any, any> & Async>(
self: T,
options: Partial<Async.Options>,
): T
} = Function.dual(2, <T extends Component.Component<any, any, any, any> & Async>(
self: T,
options: Partial<Async.Options>,
): T => Object.setPrototypeOf(
Object.assign(function() {}, self, options),
Object.getPrototypeOf(self),
))