7.todo案例

6.todo-app/.babelrc

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+{
+  "presets": ["es2015", "react"]
+}

6.todo-app/actions/index.js

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+/*
+ * action 类型
+ */
+
+export const ADD_TODO = 'ADD_TODO';
+export const COMPLETE_TODO = 'COMPLETE_TODO';
+export const SET_VISIBILITY_FILTER = 'SET_VISIBILITY_FILTER'
+
+/*
+ * 其它的常量
+ */
+
+export const VisibilityFilters = {
+  SHOW_ALL: 'SHOW_ALL',
+  SHOW_COMPLETED: 'SHOW_COMPLETED',
+  SHOW_ACTIVE: 'SHOW_ACTIVE'
+};
+
+/*
+ * action 创建函数
+ */
+
+export function addTodo(text) {
+  return { type: ADD_TODO, text }
+}
+
+export function completeTodo(index) {
+  return { type: COMPLETE_TODO, index }
+}
+
+export function setVisibilityFilter(filter) {
+  return { type: SET_VISIBILITY_FILTER, filter }
+}