moving step2-7 to bonus content

bonus-servicecalls/demo/src/reducers/index.ts

@@ -0,0 +1,43 @@
+import { Store } from '../store';
+import { combineReducers } from 'redux';
+import { createReducer } from 'redux-starter-kit';
+
+export const todosReducer = createReducer<Store['todos']>(
+  {},
+  {
+    addTodo(state, action) {
+      state[action.id] = { label: action.label, completed: false };
+    },
+
+    remove(state, action) {
+      delete state[action.id];
+    },
+
+    clear(state, action) {
+      Object.keys(state).forEach(key => {
+        if (state[key].completed) {
+          delete state[key];
+        }
+      });
+    },
+
+    complete(state, action) {
+      state[action.id].completed = !state[action.id].completed;
+    },
+
+    edit(state, action) {
+      state[action.id].label = action.label;
+    }
+  }
+);
+
+export const filterReducer = createReducer<Store['filter']>('all', {
+  setFilter(state, action) {
+    return action.filter;
+  }
+});
+
+export const reducer = combineReducers({
+  todos: todosReducer,
+  filter: filterReducer
+});