From 8fed390b03377606e8709321aabba6bb08a26472 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Piotr=20Ole=C5=9B?= <piotr.oles@codibly.com>
Date: Wed, 17 Apr 2019 15:34:48 +0200
Subject: [PATCH] =?UTF-8?q?feat:=20=F0=9F=8E=B8=20Make=20`composeDetectors?=
 =?UTF-8?q?`=20less=20type=20strict?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Removed `TAction = any` generic type from `composeDetectors` function
because typescript type inheritance makes wrong assumptions about
TAction type if you compose detectors with different TAction type.
---
 src/composeDetectors.ts | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/src/composeDetectors.ts b/src/composeDetectors.ts
index 414d2ef..68edc22 100644
--- a/src/composeDetectors.ts
+++ b/src/composeDetectors.ts
@@ -3,9 +3,9 @@ import { ActionsDetector } from "./Detector";
 /**
  * Compose many action detectors into one detector that aggregates actions returned by given detectors
  */
-export function composeDetectors<TState = any, TAction = any>(
-  ...detectors: ActionsDetector<TState, TAction>[]
-): ActionsDetector<TState, TAction> {
+export function composeDetectors<TState = any>(
+  ...detectors: ActionsDetector<TState, any>[]
+): ActionsDetector<TState, any> {
   // check detectors types in runtime
   const invalidDetectorsIndexes: number[] = detectors
     .map((detector, index) => (detector instanceof Function ? -1 : index))
@@ -29,9 +29,6 @@ export function composeDetectors<TState = any, TAction = any>(
   ): any[] {
     return detectors
       .map(detector => detector(prevState, nextState) || [])
-      .reduce(
-        (actions: TAction[], nextActions) => actions.concat(nextActions),
-        []
-      );
+      .reduce((actions: any[], nextActions) => actions.concat(nextActions), []);
   };
 }