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effect-view/packages/example/src/routes/form.tsx
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Julien Valverdé ef042ed4b1
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2025-09-28 19:16:33 +02:00

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TypeScript

import { runtime } from "@/runtime"
import { Button, Callout, Container, Flex, TextField } from "@radix-ui/themes"
import { createFileRoute } from "@tanstack/react-router"
import { Array, Effect, Option, Schema } from "effect"
import { Component, Form } from "effect-fc"
import { useContext, useSubscribables } from "effect-fc/hooks"
const email = Schema.pattern<typeof Schema.String>(
/^(?!\.)(?!.*\.\.)([A-Z0-9_+-.]*)[A-Z0-9_+-]@([A-Z0-9][A-Z0-9-]*\.)+[A-Z]{2,}$/i,
{
identifier: "email",
title: "email",
message: () => "Not an email address",
},
)
const RegisterFormSchema = Schema.Struct({
email: Schema.String.pipe(email),
password: Schema.String.pipe(Schema.minLength(3)),
})
class RegisterForm extends Effect.Service<RegisterForm>()("RegisterForm", {
scoped: Form.service({
schema: RegisterFormSchema,
initialEncodedValue: { email: "", password: "" },
submit: () => Effect.void,
})
}) {}
class RegisterPage extends Component.makeUntraced("RegisterPage")(function*() {
const form = yield* RegisterForm
const emailField = Form.useField(form, ["email"])
const passwordField = Form.useField(form, ["password"])
const emailInput = yield* Form.useInput(emailField, { debounce: "200 millis" })
const passwordInput = yield* Form.useInput(passwordField, { debounce: "200 millis" })
const [canSubmit] = yield* useSubscribables(form.canSubmitSubscribable)
return (
<Container>
<Flex direction="column" gap="2">
<TextField.Root
value={emailInput.value}
onChange={e => emailInput.setValue(e.target.value)}
/>
{Option.match(Array.head(emailInput.issues), {
onSome: issue => (
<Callout.Root>
<Callout.Text>{issue.message}</Callout.Text>
</Callout.Root>
),
onNone: () => <></>,
})}
<TextField.Root
value={passwordInput.value}
onChange={e => passwordInput.setValue(e.target.value)}
/>
{Option.match(Array.head(passwordInput.issues), {
onSome: issue => (
<Callout.Root>
<Callout.Text>{issue.message}</Callout.Text>
</Callout.Root>
),
onNone: () => <></>,
})}
<Button disabled={!canSubmit}>Submit</Button>
</Flex>
</Container>
)
}) {}
const RegisterRoute = Component.makeUntraced(function* RegisterRoute() {
const context = yield* useContext(RegisterForm.Default, { finalizerExecutionMode: "fork" })
const RegisterRouteFC = yield* Effect.provide(RegisterPage, context)
return <RegisterRouteFC />
}).pipe(
Component.withRuntime(runtime.context)
)
export const Route = createFileRoute("/form")({
component: RegisterRoute
})