Julien Valverdé
74 lines
2.6 KiB
TypeScript
74 lines
2.6 KiB
TypeScript
/** biome-ignore-all lint/complexity/useArrowFunction: necessary for class prototypes */
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import { type Context, Effect, Layer, ManagedRuntime, Predicate } from "effect"
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import * as React from "react"
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import * as Component from "./Component.js"
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import * as ScopeRegistry from "./ScopeRegistry.js"
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export const ReactRuntimeTypeId: unique symbol = Symbol.for("@effect-fc/ReactRuntime/ReactRuntime")
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export type ReactRuntimeTypeId = typeof ReactRuntimeTypeId
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export interface ReactRuntime<R, ER> {
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new(_: never): Record<string, never>
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readonly [ReactRuntimeTypeId]: ReactRuntimeTypeId
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readonly runtime: ManagedRuntime.ManagedRuntime<R, ER>
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readonly context: React.Context<Context.Context<R>>
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}
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const ReactRuntimePrototype = Object.freeze({ [ReactRuntimeTypeId]: ReactRuntimeTypeId } as const)
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export const preludeLayer: Layer.Layer<ScopeRegistry.ScopeRegistry> = ScopeRegistry.ScopeRegistry.layer
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export const isReactRuntime = (u: unknown): u is ReactRuntime<unknown, unknown> => Predicate.hasProperty(u, ReactRuntimeTypeId)
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export const make = <R, ER>(
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layer: Layer.Layer<R, ER>,
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memoMap?: Layer.MemoMap,
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): ReactRuntime<Layer.Success<typeof preludeLayer> | R, ER> => Object.setPrototypeOf(
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Object.assign(function() {}, {
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runtime: ManagedRuntime.make(
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Layer.merge(preludeLayer, layer),
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{ memoMap },
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),
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// biome-ignore lint/style/noNonNullAssertion: context initialization
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context: React.createContext<Context.Context<Layer.Success<typeof preludeLayer> | R>>(null!),
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}),
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ReactRuntimePrototype,
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)
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export namespace Provider {
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export interface Props<R, ER> extends React.SuspenseProps {
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readonly runtime: ReactRuntime<R, ER>
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readonly children?: React.ReactNode
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}
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}
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export const Provider = <R, ER>(
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{ runtime, children, ...suspenseProps }: Provider.Props<R, ER>
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): React.ReactNode => {
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const promise = React.useMemo(() => runtime.runtime.context(), [runtime])
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return React.createElement(
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React.Suspense,
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suspenseProps,
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React.createElement(ProviderInner<R, ER>, { runtime, promise, children }),
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)
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}
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const ProviderInner = <R, ER>(
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{ runtime, promise, children }: {
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readonly runtime: ReactRuntime<R, ER>
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readonly promise: Promise<Context.Context<R>>
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readonly children?: React.ReactNode
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}
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): React.ReactNode => {
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const context = React.use(promise)
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Effect.runSyncWith(context)(Component.useOnChange(
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() => Effect.addFinalizer(() => runtime.runtime.disposeEffect),
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[runtime],
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))
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return React.createElement(runtime.context, { value: context }, children)
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}
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