From 8f7a71f7188442102f96fcd9b25c8b12aa8dd242 Mon Sep 17 00:00:00 2001
From: Genuifx <genuifx@gmail.com>
Date: Sun, 1 Mar 2020 20:28:52 +0800
Subject: [PATCH] feat(redux): offer a method to get store instance

---
 packages/wxa-redux/src/index.js           | 11 +++++++++++
 packages/wxa-redux/test/wxa-redux.test.js |  6 +++++-
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/packages/wxa-redux/src/index.js b/packages/wxa-redux/src/index.js
index 6bd8f510..587b4476 100644
--- a/packages/wxa-redux/src/index.js
+++ b/packages/wxa-redux/src/index.js
@@ -70,6 +70,7 @@ let mountRedux = function (originHook) {
                     connectState();
                 }
             });
+            // 直接挂载一次数据，这样子onLoad阶段可以直接使用现有数据
             connectState();
         }
         if (originHook) originHook.apply(this, args);
@@ -86,6 +87,14 @@ let unmountRedux = function (originUnmount) {
     }
 }
 
+let _store;
+
+export function getStore() {
+    if (_store == null) console.warn('%c[@wxa/redux] store is null, initial redux plugin first in app.wxa', 'font-size: 12px; color: red;');
+
+    return _store;
+}
+
 export const wxaRedux = (options = {}) => {
     // get options.
     let args = [];
@@ -111,6 +120,8 @@ export const wxaRedux = (options = {}) => {
     // create Store directly;
     // cause the reducer may be attached at subpackages.
     let store = createStore.apply(null, args);
+    _store = store;
+
     reducerRegistry.setChangeListener((reducer)=>{
         let reducers = combine(reducer, userReducers);
         if(debug) {
diff --git a/packages/wxa-redux/test/wxa-redux.test.js b/packages/wxa-redux/test/wxa-redux.test.js
index 0da1ca30..4727fd2c 100644
--- a/packages/wxa-redux/test/wxa-redux.test.js
+++ b/packages/wxa-redux/test/wxa-redux.test.js
@@ -1,4 +1,4 @@
-import {wxaRedux, combineReducers, reducerRegistry} from '../src/index'
+import {wxaRedux, combineReducers, reducerRegistry, getStore} from '../src/index'
 import fs from 'fs';
 import path from 'path';
 
@@ -359,6 +359,10 @@ describe('while dispatch long long data', ()=>{
     })
 })
 
+test('get store instance', () => {
+    expect(getStore()).not.toBeFalsy();
+})
+
 afterAll(()=>{
     global.getApp = og;
 })
\ No newline at end of file