From 51f01ce402e1237dc1f7656226a25c92b3dcb6ee Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Julien=20Valverd=C3=A9?= <julien.valverde@mailo.com>
Date: Mon, 27 Apr 2026 17:38:55 +0200
Subject: [PATCH] Fix

---
 packages/effect-fc/src/Form.ts   | 28 +++++++++++++++-------------
 packages/effect-fc/src/Result.ts |  2 +-
 2 files changed, 16 insertions(+), 14 deletions(-)

diff --git a/packages/effect-fc/src/Form.ts b/packages/effect-fc/src/Form.ts
index 7a7a77b..f36ff90 100644
--- a/packages/effect-fc/src/Form.ts
+++ b/packages/effect-fc/src/Form.ts
@@ -209,7 +209,7 @@ export class SynchronizedFormImpl<
         readonly isValidating: Subscribable.Subscribable<boolean, never, never>,
 
         readonly canCommit: Subscribable.Subscribable<boolean, never, never>,
-        readonly isCommitting: Subscribable.Subscribable<boolean, never, never>,
+        readonly isCommitting: Lens.Lens<boolean, never, never>,
 
         readonly runSemaphore: Effect.Semaphore,
     ) {
@@ -248,7 +248,13 @@ export class SynchronizedFormImpl<
                             )).pipe(
                                 Effect.tap(fiber => Lens.set(this.validationFiber, Option.some(fiber))),
                                 Effect.andThen(Fiber.join),
-                                Effect.tap(value => Lens.set(this.target, value)),
+                                Effect.tap(value => Effect.onExit(
+                                    Effect.andThen(
+                                        Lens.set(this.isCommitting, true),
+                                        Lens.set(this.target, value),
+                                    ),
+                                    () => Lens.set(this.isCommitting, false),
+                                )),
                                 Effect.forkScoped,
                             )
                         ),
@@ -280,12 +286,6 @@ export const isForm = (u: unknown): u is Form<readonly PropertyKey[], unknown, u
 export const isSubmittableForm = (u: unknown): u is SubmittableForm<unknown, unknown, unknown, unknown, unknown, unknown, unknown> => Predicate.hasProperty(u, SubmittableFormTypeId)
 export const isSynchronizedForm = (u: unknown): u is SynchronizedForm<unknown, unknown, unknown, unknown, unknown, unknown, unknown> => Predicate.hasProperty(u, SynchronizedFormTypeId)
 
-const falseSubscribable: Subscribable.Subscribable<boolean, never, never> = Subscribable.make({
-    get: Effect.succeed(false),
-    changes: Stream.make(false),
-})
-
-
 export declare namespace makeSubmittable {
     export interface Options<in out A, in out I = A, in out R = never, in out MA = void, in out ME = never, in out MR = never, in out MP = never>
     extends Mutation.make.Options<
@@ -369,6 +369,7 @@ export const makeSynchronized = Effect.fnUntraced(function* <A, I = A, R = never
     const valueLens = Lens.fromSubscriptionRef(yield* SubscriptionRef.make(Option.none<A>()))
     const issuesLens = Lens.fromSubscriptionRef(yield* SubscriptionRef.make<readonly ParseResult.ArrayFormatterIssue[]>(Array.empty()))
     const validationFiberLens = Lens.fromSubscriptionRef(yield* SubscriptionRef.make(Option.none<Fiber.Fiber<A, ParseResult.ParseError>>()))
+    const isCommittingLens = Lens.fromSubscriptionRef(yield* SubscriptionRef.make(false))
     const initialEncodedValue = yield* Lens.get(options.target).pipe(
         Effect.flatMap(Schema.encode(options.schema, { errors: "all" })),
     )
@@ -385,14 +386,15 @@ export const makeSynchronized = Effect.fnUntraced(function* <A, I = A, R = never
         Subscribable.map(validationFiberLens, Option.isSome),
 
         Subscribable.map(
-            Subscribable.zipLatestAll(valueLens, issuesLens, validationFiberLens),
-            ([value, issues, validationFiber]) => (
+            Subscribable.zipLatestAll(valueLens, issuesLens, validationFiberLens, isCommittingLens),
+            ([value, issues, validationFiber, isCommitting]) => (
                 Option.isSome(value) &&
                 Array.isEmptyReadonlyArray(issues) &&
-                Option.isNone(validationFiber)
+                Option.isNone(validationFiber) &&
+                !isCommitting
             ),
         ),
-        falseSubscribable,
+        isCommittingLens,
 
         yield* Effect.makeSemaphore(1),
     )
@@ -565,7 +567,7 @@ export const useInput = Effect.fnUntraced(function* <P extends readonly Property
                 ),
                 internalValue => Lens.set(form.encodedValue, internalValue),
             ),
-        ], { concurrency: "unbounded" }))
+        ], { concurrency: "unbounded", discard: true }))
 
         return internalValueLens
     }), [form, options?.debounce])
diff --git a/packages/effect-fc/src/Result.ts b/packages/effect-fc/src/Result.ts
index 123e747..42b0c1a 100644
--- a/packages/effect-fc/src/Result.ts
+++ b/packages/effect-fc/src/Result.ts
@@ -1,4 +1,4 @@
-import { Cause, Context, Data, Effect, Equal, Exit, type Fiber, Hash, Layer, Match, pipe, Pipeable, Predicate, PubSub, Ref, type Scope, Stream, type Subscribable, SynchronizedRef } from "effect"
+import { Cause, Context, Data, Effect, Equal, Exit, type Fiber, Hash, Layer, Match, Pipeable, Predicate, PubSub, pipe, Ref, type Scope, Stream, type Subscribable, SynchronizedRef } from "effect"
 import { Lens } from "effect-lens"