Files
effect-fc/packages/example/src/routes/dev/memo.tsx
Julien Valverdé e11bbff234
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Component as class
2025-07-22 01:57:41 +02:00

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TypeScript

import { runtime } from "@/runtime"
import { Flex, Text, TextField } from "@radix-ui/themes"
import { createFileRoute } from "@tanstack/react-router"
import { GetRandomValues, makeUuid4 } from "@typed/id"
import { Effect } from "effect"
import { Component } from "effect-fc"
import * as React from "react"
const RouteComponent = Component.make(function* RouteComponent() {
const VSubComponent = yield* Component.useFC(SubComponent)
const VMemoizedSubComponent = yield* Component.useFC(MemoizedSubComponent)
const [value, setValue] = React.useState("")
return (
<Flex direction="column" gap="2">
<TextField.Root
value={value}
onChange={e => setValue(e.target.value)}
/>
<VSubComponent />
<VMemoizedSubComponent />
</Flex>
)
}).pipe(
Component.withRuntime(runtime.context)
)
class SubComponent extends Component.make(function* SubComponent(props: { readonly value?: string }) {
const id = yield* makeUuid4.pipe(Effect.provide(GetRandomValues.CryptoRandom))
return <Text>{id}</Text>
}) {}
class MemoizedSubComponent extends SubComponent.pipe(
Component.memo,
Component.suspense,
Component.memo,
) {}
type T = typeof MemoizedSubComponent extends Component.Memoized<infer P> ? P : never
export const Route = createFileRoute("/dev/memo")({
component: RouteComponent,
})