fix(pluginReducer): add default initialState

fixes TypeError when reducer is called with undefined
jcoreio · Mar 22, 2017 · 5bfb033 · 5bfb033
1 parent 740cfd4
commit 5bfb033
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Showing 3 changed files with 5 additions and 2 deletions.
diff --git a/package.json b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "redux-plugins-immutable",
-  "version": "1.2.1",
+  "version": "1.2.2",
   "description": "a powerful app plugin system for redux using immutable state",
   "main": "lib/index.js",
   "scripts": {

diff --git a/src/pluginReducer.js b/src/pluginReducer.js
@@ -20,7 +20,7 @@ const selectPluginReducers: (state: Immutable.Map<any, any>) => Reducer = create
 )
 
 const pluginReducer: Reducer = composeReducers(
-  createReducer({
+  createReducer(Immutable.Map(), {
     [ADD_PLUGIN]: (state: Immutable.Map<any, any>, action: Action) => {
       let plugin = action.payload
       warning(plugin instanceof Immutable.Map, 'plugin must be an Immutable.Map')

diff --git a/test/pluginReducerTests.js b/test/pluginReducerTests.js
@@ -9,6 +9,9 @@ import {NOT_LOADED, LOADED} from '../src/pluginTypes'
 import {addPlugin, replacePlugin, installPlugin, setPluginStatus} from '../src/pluginActions'
 
 describe('pluginReducer', () => {
+  it('applies initial state', () => {
+    expect(pluginReducer(undefined, {type: 'fake'})).toBeDefined()
+  })
   it('works when there are no plugins', () => {
     let state = Immutable.Map()
     state = pluginReducer(state, {type: 'fake'})