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TapaniAla/Redux14: Reducer composition with objects

Last active June 8, 2017 05:15
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JS Bin// source http://jsbin.com/zugupol
Raw
index.html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<title>JS Bin</title>
<script src="https://wzrd.in/standalone/expect@latest"></script>
<script src="https://wzrd.in/standalone/deep-freeze@latest"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/redux/3.0.4/redux.js"></script>
</head>
<body>
</body>
</html>
Raw
jsbin.zugupol.js
'use strict';
var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };
function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) arr2[i] = arr[i]; return arr2; } else { return Array.from(arr); } }
var todo = function todo(state, action) {
switch (action.type) {
case 'ADD_TODO':
return {
id: action.id,
text: action.text,
completed: false
};
case 'TOGGLE_TODO':
if (state.id !== action.id) {
return state;
}
return _extends({}, state, {
completed: !state.completed
});
default:
return state;
}
};
var todos = function todos(state, action) {
if (state === undefined) state = [];
switch (action.type) {
case 'ADD_TODO':
return [].concat(_toConsumableArray(state), [todo(undefined, action)]);
case 'TOGGLE_TODO':
return state.map(function (t) {
return todo(t, action);
});
default:
return state;
}
};
var visibilityFilter = function visibilityFilter(state, action) {
if (state === undefined) state = "SHOW_ALL";
switch (action.type) {
case 'SET_VISIBILITY_FILTER':
return action.filter;
default:
return state;
}
};
var todoApp = function todoApp(state, action) {
if (state === undefined) state = {};
return {
todos: todos(state.todos, action),
visibilityFilter: visibilityFilter(state.visibilityFilter, action)
};
};
var _Redux = Redux;
var createStore = _Redux.createStore;
var store = createStore(todoApp);
console.log('Initial state:');
console.log(store.getState());
console.log('--------------');
console.log('Dispatching ADD_TODO.');
store.dispatch({
type: 'ADD_TODO',
id: 0,
text: 'Learn Redux'
});
console.log('Current state:');
console.log(store.getState());
console.log('--------------');
console.log('Initial state:');
console.log(store.getState());
console.log('--------------');
console.log('Dispatching TOGGLE_TODO.');
store.dispatch({
type: 'TOGGLE_TODO',
id: 1,
text: 'Go Shopping'
});
console.log('Current state:');
console.log(store.getState());
console.log('--------------');
console.log('Initial state:');
console.log(store.getState());
console.log('--------------');
console.log('Dispatching SET_VISIBILITY_FILTER.');
store.dispatch({
type: 'SET_VISIBILITY_FILTER',
filter: 'SHOW_COMPLETED'
});
console.log('Current state:');
console.log(store.getState());
console.log('--------------');
Raw
Redux14: Reducer composition with objects
const todo = (state, action) => {
switch (action.type) {
case 'ADD_TODO':
return {
id: action.id,
text: action.text,
completed: false
};
case 'TOGGLE_TODO':
if(state.id !== action.id) {
return state;
}
return {
...state,
completed: !state.completed,
};
default:
return state;
}
}
const todos = (state=[], action) => {
switch (action.type) {
case 'ADD_TODO':
return [
...state,
todo(undefined, action)
];
case 'TOGGLE_TODO':
return state.map(t => todo(t, action));
default:
return state;
}
};
const visibilityFilter = (
state = "SHOW_ALL",
action
) => {
switch (action.type) {
case 'SET_VISIBILITY_FILTER':
return action.filter;
default:
return state;
}
};
const todoApp = (state = {}, action) => {
return {
todos: todos(
state.todos,
action),
visibilityFilter: visibilityFilter(
state.visibilityFilter,
action
)
};
};
const {createStore} = Redux;
const store = createStore(todoApp);
console.log('Initial state:');
console.log(store.getState());
console.log('--------------');
console.log('Dispatching ADD_TODO.');
store.dispatch({
type: 'ADD_TODO',
id: 0,
text: 'Learn Redux'
});
console.log('Current state:');
console.log(store.getState());
console.log('--------------');
console.log('Initial state:');
console.log(store.getState());
console.log('--------------');
console.log('Dispatching TOGGLE_TODO.');
store.dispatch({
type: 'TOGGLE_TODO',
id: 1,
text: 'Go Shopping'
});
console.log('Current state:');
console.log(store.getState());
console.log('--------------');
console.log('Initial state:');
console.log(store.getState());
console.log('--------------');
console.log('Dispatching SET_VISIBILITY_FILTER.');
store.dispatch({
type: 'SET_VISIBILITY_FILTER',
filter: 'SHOW_COMPLETED'
});
console.log('Current state:');
console.log(store.getState());
console.log('--------------');
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