ReffuseContext

packages/reffuse/src/ReffuseContext.tsx

@@ -1,47 +1,52 @@
-import { Context, Effect, Layer } from "effect"
+import { Context, Effect, Layer, Runtime } from "effect"
 import React from "react"
+import * as ReffuseRuntime from "./ReffuseRuntime.js"
 
 
-export interface ReffuseContext<R> {
+export class ReffuseContext<R> {
-    readonly Context: React.Context<Context.Context<R>>
+
+    readonly Context = React.createContext<Context.Context<R>>(null!)
     readonly Provider: ReffuseContextReactProvider<R>
+
+    constructor() {
+        this.Provider = (props) => {
+            const runtime = ReffuseRuntime.use()
+
+            const value = React.useMemo(() => Effect.context<R>().pipe(
+                Effect.provide(props.layer),
+                Runtime.runSync(runtime),
+            ), [runtime, props.layer])
+
+            return (
+                <this.Context
+                    {...props}
+                    value={value}
+                />
+            )
+        }
+        this.Provider.displayName = "ReffuseContextReactProvider"
+    }
+
+
+    use(): Context.Context<R> {
+        return React.useContext(this.Context)
+    }
+
+    useLayer(): Layer.Layer<R> {
+        const context = this.use()
+        return React.useMemo(() => Layer.effectContext(Effect.succeed(context)), [context])
+    }
+
 }
 
 export type ReffuseContextReactProvider<R> = React.FC<{
-    readonly layer: Layer.Layer<R, unknown, never>
+    readonly layer: Layer.Layer<R, unknown>
     readonly children?: React.ReactNode
 }>
 
 export type R<T> = T extends ReffuseContext<infer R> ? R : never
 
 
-export function make<R>(): ReffuseContext<R> {
+export function make<R = never>() {
-    const Context = React.createContext<Context.Context<R>>(null!)
+    return new ReffuseContext<R>()
-
-    return {
-        Context,
-
-        Provider: function ReffuseContextReactProvider(props) {
-            return (
-                <Context
-                    {...props}
-                />
-            )
-        },
 }
-}
-
-
-declare const MyService1: ReturnType<typeof Context.GenericTag<"MyService1", { readonly myService1: true }>>
-declare const MyService2: ReturnType<typeof Context.GenericTag<"MyService2", { readonly myService2: true }>>
-
-declare const Context1: Context.Context<typeof MyService1>
-declare const Context2: Context.Context<typeof MyService2>
-
-declare const MyService3: ReturnType<typeof Context.GenericTag<"MyService3", { readonly myService3: true }>>
-declare const MyService3Live: Layer.Layer<typeof MyService3, never, typeof MyService1>
-
-
-const res = MyService3Live.pipe(
-    Layer.provide(Layer.effectContext(Effect.succeed(Context1)))
-)

packages/reffuse/src/ReffuseRuntime.ts

@@ -1,5 +0,0 @@
-import type { Runtime } from "effect"
-import React from "react"
-
-
-export interface ReffuseRuntime<R> extends React.Context<Runtime.Runtime<R>> {}

packages/reffuse/src/ReffuseRuntime.tsx

@@ -0,0 +1,15 @@
+import { Runtime } from "effect"
+import React from "react"
+
+
+export const Context = React.createContext<Runtime.Runtime<never>>(null!)
+
+export const Provider = (props: { readonly children?: React.ReactNode }) => (
+    <Context
+        {...props}
+        value={Runtime.defaultRuntime}
+    />
+)
+Provider.displayName = "ReffuseRuntimeReactProvider"
+
+export const use = () => React.useContext(Context)