From 93016e9772358995ee0b24691b51ac316a933ffe Mon Sep 17 00:00:00 2001
From: Jarrod Mosen <jarrod.mosen@me.com>
Date: Thu, 18 Jan 2018 04:40:53 +1300
Subject: [PATCH] fix: make `meta` optional (default to `undefined`) (#94)

---
 src/index.d.ts | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/index.d.ts b/src/index.d.ts
index 7e02074..93e7d6e 100644
--- a/src/index.d.ts
+++ b/src/index.d.ts
@@ -1,4 +1,4 @@
-export interface FluxStandardAction<Payload, Meta> {
+export interface FluxStandardAction<Payload, Meta = undefined> {
   /**
    * The `type` of an action identifies to the consumer the nature of the action that has occurred.
    * Two actions with the same `type` MUST be strictly equivalent (using `===`)
@@ -26,26 +26,26 @@ export interface FluxStandardAction<Payload, Meta> {
   meta: Meta;
 }
 
-export interface ErrorFluxStandardAction<CustomError extends Error, Meta> extends FluxStandardAction<CustomError, Meta> {
+export interface ErrorFluxStandardAction<CustomError extends Error, Meta = undefined> extends FluxStandardAction<CustomError, Meta> {
   error: true;
 }
 
 /**
  * Alias for FluxStandardAction.
  */
-export type FSA<Payload, Meta> = FluxStandardAction<Payload, Meta>;
+export type FSA<Payload, Meta = undefined> = FluxStandardAction<Payload, Meta>;
 
 /**
  * Alias for ErrorFluxStandardAction.
  */
-export type ErrorFSA<CustomError extends Error, Meta> = ErrorFluxStandardAction<CustomError, Meta>;
+export type ErrorFSA<CustomError extends Error, Meta = undefined> = ErrorFluxStandardAction<CustomError, Meta>;
 
 /**
  * Returns `true` if `action` is FSA compliant.
  */
-export function isFSA<Payload, Meta>(action: any): action is FluxStandardAction<Payload, Meta>;
+export function isFSA<Payload, Meta = undefined>(action: any): action is FluxStandardAction<Payload, Meta>;
 
 /**
  * Returns `true` if `action` is FSA compliant error.
  */
-export function isError<CustomError extends Error, Meta>(action: any): action is ErrorFluxStandardAction<CustomError, Meta>;
+export function isError<CustomError extends Error, Meta = undefined>(action: any): action is ErrorFluxStandardAction<CustomError, Meta>;