From 35e5b112219dc35a764c036d24d268cb133d4510 Mon Sep 17 00:00:00 2001
From: rednaZ <p.rednaz@googlemail.com>
Date: Thu, 25 Jun 2020 18:43:55 +0200
Subject: [PATCH] Flow: add type for produceWithPatches

---
 src/types/index.js.flow | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/src/types/index.js.flow b/src/types/index.js.flow
index fb952be4..29758fbd 100644
--- a/src/types/index.js.flow
+++ b/src/types/index.js.flow
@@ -39,9 +39,33 @@ interface IProduce {
 	): (currentState: S, a: A, b: B, c: C, ...extraArgs: any[]) => S;
 }
 
+interface IProduceWithPatches {
+        /**
+         * Like `produce`, but instead of just returning the new state,
+         * a tuple is returned with [nextState, patches, inversePatches]
+         *
+         * Like produce, this function supports currying
+         */
+	<S: Base>(
+		currentState: S,
+		recipe: (draftState: S) => S | void
+	): [S, Patch[], Patch[]];
+	// curried invocations with inital state
+	<S: Base, A = void, B = void, C = void>(
+		recipe: (draftState: S, a: A, b: B, c: C, ...extraArgs: any[]) => S | void,
+		initialState: S
+	): (currentState: S | void, a: A, b: B, c: C, ...extraArgs: any[]) => [S, Patch[], Patch[]];
+	// curried invocations without inital state
+	<S: Base, A = void, B = void, C = void>(
+		recipe: (draftState: S, a: A, b: B, c: C, ...extraArgs: any[]) => S | void
+	): (currentState: S, a: A, b: B, c: C, ...extraArgs: any[]) => [S, Patch[], Patch[]];
+}
+
 declare export var produce: IProduce
 declare export default IProduce
 
+declare export var produceWithPatches: IProduceWithPatches
+
 declare export var nothing: typeof undefined
 
 declare export var immerable: Symbol