<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/0.14.7/react.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/0.14.7/react-dom.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/redux/3.3.1/redux.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/expect/1.14.0/expect.js"></script>
<script src="https://wzrd.in/standalone/deep-freeze@latest"></script>
<title>Redux</title>
</head>
<body>
</body>
</html>
/* jshint esnext: true */
const oneTodo = ( state = {}, action ) => {
switch( action.type ) {
case 'updateTodo' :
return {
id : action.id,
text : action.text,
completed : true
};
case 'toggleTodo' :
if( state.id !== action.id ) {
return state;
};
return {
state,
completed : !state.completed
}
default :
return state;
}
};
const todoReducer = ( state = [], action ) => {
switch( action.type ) {
case 'updateTodo' :
return [
state,
oneTodo( undefined, action )
];
case 'toggleTodo' :
return (
state.map( (one) => {
oneTodo( one, action )
})
);
default :
return state;
}
};
const testTodo = () => {
const beforeState = [];
const afterState = [
{
id : 1,
text : 'redux',
completed : true
}
];
const action = {
type : 'updateTodo',
id : 1,
text : 'redux'
};
deepFreeze( beforeState );
let newState = todoReducer( beforeState, action );
expect( newState ).toEqual( afterState );
};
const testAddTodo = () => {
const beforeState = [
{
id : 1,
text : 'redux',
completed : true
},
{
id : 2,
text : 'redux',
completed : false
}
];
const action = {
type : 'toggleTodo',
id : 2
};
const afterState = [
{
id : 1,
text : 'redux',
completed : true
},
{
id : 2,
text : 'redux',
completed : true
}
];
deepFreeze( beforeState );
var newState = todoReducer( beforeState, action );
expect( newState ).toEqual( afterState );
};
testTodo();
testAddTodo();
console.log( 'All tests passed!' );
Output
You can jump to the latest bin by adding /latest
to your URL
Keyboard Shortcuts
Shortcut | Action |
---|---|
ctrl + [num] | Toggle nth panel |
ctrl + 0 | Close focused panel |
ctrl + enter | Re-render output. If console visible: run JS in console |
Ctrl + l | Clear the console |
ctrl + / | Toggle comment on selected lines |
ctrl + ] | Indents selected lines |
ctrl + [ | Unindents selected lines |
tab | Code complete & Emmet expand |
ctrl + shift + L | Beautify code in active panel |
ctrl + s | Save & lock current Bin from further changes |
ctrl + shift + s | Open the share options |
ctrl + y | Archive Bin |
Complete list of JS Bin shortcuts |
JS Bin URLs
URL | Action |
---|---|
/ | Show the full rendered output. This content will update in real time as it's updated from the /edit url. |
/edit | Edit the current bin |
/watch | Follow a Code Casting session |
/embed | Create an embeddable version of the bin |
/latest | Load the very latest bin (/latest goes in place of the revision) |
/[username]/last | View the last edited bin for this user |
/[username]/last/edit | Edit the last edited bin for this user |
/[username]/last/watch | Follow the Code Casting session for the latest bin for this user |
/quiet | Remove analytics and edit button from rendered output |
.js | Load only the JavaScript for a bin |
.css | Load only the CSS for a bin |
Except for username prefixed urls, the url may start with http://jsbin.com/abc and the url fragments can be added to the url to view it differently. |