From 45d4f2c0dbdc4c5ee91d0a2455b36b43019042ad Mon Sep 17 00:00:00 2001
From: hantatsang <hantatsang@gmail.com>
Date: Sat, 16 Jan 2021 22:46:20 +1100
Subject: [PATCH] export store's useful typescript definitions

the store has some internal types that are useful and should be exported
to help consumer apps typing their store implementations.
---
 src/runtime/store/index.ts | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/runtime/store/index.ts b/src/runtime/store/index.ts
index 09040487f0..49f4b5d8be 100644
--- a/src/runtime/store/index.ts
+++ b/src/runtime/store/index.ts
@@ -1,19 +1,19 @@
 import { run_all, subscribe, noop, safe_not_equal, is_function, get_store_value } from 'svelte/internal';
 
 /** Callback to inform of a value updates. */
-type Subscriber<T> = (value: T) => void;
+export type Subscriber<T> = (value: T) => void;
 
 /** Unsubscribes from value updates. */
-type Unsubscriber = () => void;
+export type Unsubscriber = () => void;
 
 /** Callback to update a value. */
-type Updater<T> = (value: T) => T;
+export type Updater<T> = (value: T) => T;
 
 /** Cleanup logic callback. */
-type Invalidator<T> = (value?: T) => void;
+export type Invalidator<T> = (value?: T) => void;
 
 /** Start and stop notification callbacks. */
-type StartStopNotifier<T> = (set: Subscriber<T>) => Unsubscriber | void;
+export type StartStopNotifier<T> = (set: Subscriber<T>) => Unsubscriber | void;
 
 /** Readable interface for subscribing. */
 export interface Readable<T> {