Created
April 25, 2017 21:35
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JS Bin // source https://jsbin.com/sevoyev
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="width=device-width"> | |
| <title>JS Bin</title> | |
| </head> | |
| <body> | |
| <div id="root"></div> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/redux/3.6.0/redux.js"></script> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/expect/1.20.2/expect.min.js"></script> | |
| <script src="https://fb.me/react-15.1.0.js"></script> | |
| <script src="https://fb.me/react-dom-15.1.0.js"></script> | |
| <script id="jsbin-javascript"> | |
| 'use strict'; | |
| var counter = function counter(state, action) { | |
| if (state === undefined) state = 0; | |
| switch (action.type) { | |
| case 'INCREMENT': | |
| return state + 1; | |
| case 'DECREMENT': | |
| return state - 1; | |
| default: | |
| return state; | |
| } | |
| }; | |
| var Counter = function Counter(_ref) { | |
| var value = _ref.value; | |
| var onIncrement = _ref.onIncrement; | |
| var onDecrement = _ref.onDecrement; | |
| return React.createElement( | |
| 'div', | |
| null, | |
| React.createElement( | |
| 'h1', | |
| null, | |
| value | |
| ), | |
| React.createElement( | |
| 'button', | |
| { onClick: onIncrement }, | |
| '+' | |
| ), | |
| React.createElement( | |
| 'button', | |
| { onClick: onDecrement }, | |
| '-' | |
| ) | |
| ); | |
| }; | |
| var _Redux = Redux; | |
| var createStore = _Redux.createStore; | |
| var store = createStore(counter); | |
| var render = function render() { | |
| ReactDOM.render(React.createElement(Counter, { | |
| value: store.getState(), | |
| onIncrement: function () { | |
| return store.dispatch({ | |
| type: 'INCREMENT' | |
| }); | |
| }, | |
| onDecrement: function () { | |
| return store.dispatch({ | |
| type: 'DECREMENT' | |
| }); | |
| } | |
| }), document.getElementById('root')); | |
| }; | |
| store.subscribe(render); | |
| render(); | |
| expect(counter(0, { type: 'INCREMENT' })).toEqual(1); | |
| expect(counter(1, { type: 'INCREMENT' })).toEqual(2); | |
| expect(counter(1, { type: 'DECREMENT' })).toEqual(0); | |
| expect(counter(undefined, {})).toEqual(0); | |
| expect(counter(1, { type: 'unknown' })).toEqual(1); | |
| console.log('Tests passed'); | |
| </script> | |
| <script id="jsbin-source-javascript" type="text/javascript">const counter = (state = 0, action) => { | |
| switch (action.type) { | |
| case 'INCREMENT': return state + 1; | |
| case 'DECREMENT': return state - 1; | |
| default: return state; | |
| } | |
| }; | |
| const Counter = ({ | |
| value, | |
| onIncrement, | |
| onDecrement | |
| }) => ( | |
| <div> | |
| <h1>{value}</h1> | |
| <button onClick={onIncrement}>+</button> | |
| <button onClick={onDecrement}>-</button> | |
| </div> | |
| ); | |
| const { createStore } = Redux; | |
| const store = createStore(counter); | |
| const render = () => { | |
| ReactDOM.render( | |
| <Counter | |
| value={store.getState()} | |
| onIncrement={() => | |
| store.dispatch({ | |
| type: 'INCREMENT' | |
| }) | |
| } | |
| onDecrement={() => | |
| store.dispatch({ | |
| type: 'DECREMENT' | |
| }) | |
| } | |
| />, | |
| document.getElementById('root') | |
| ); | |
| }; | |
| store.subscribe(render); | |
| render(); | |
| expect( | |
| counter(0, { type: 'INCREMENT' }) | |
| ).toEqual(1); | |
| expect( | |
| counter(1, { type: 'INCREMENT' }) | |
| ).toEqual(2); | |
| expect( | |
| counter(1, { type: 'DECREMENT' }) | |
| ).toEqual(0); | |
| expect( | |
| counter(undefined, { }) | |
| ).toEqual(0); | |
| expect( | |
| counter(1, { type: 'unknown' }) | |
| ).toEqual(1); | |
| console.log('Tests passed');</script></body> | |
| </html> |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| 'use strict'; | |
| var counter = function counter(state, action) { | |
| if (state === undefined) state = 0; | |
| switch (action.type) { | |
| case 'INCREMENT': | |
| return state + 1; | |
| case 'DECREMENT': | |
| return state - 1; | |
| default: | |
| return state; | |
| } | |
| }; | |
| var Counter = function Counter(_ref) { | |
| var value = _ref.value; | |
| var onIncrement = _ref.onIncrement; | |
| var onDecrement = _ref.onDecrement; | |
| return React.createElement( | |
| 'div', | |
| null, | |
| React.createElement( | |
| 'h1', | |
| null, | |
| value | |
| ), | |
| React.createElement( | |
| 'button', | |
| { onClick: onIncrement }, | |
| '+' | |
| ), | |
| React.createElement( | |
| 'button', | |
| { onClick: onDecrement }, | |
| '-' | |
| ) | |
| ); | |
| }; | |
| var _Redux = Redux; | |
| var createStore = _Redux.createStore; | |
| var store = createStore(counter); | |
| var render = function render() { | |
| ReactDOM.render(React.createElement(Counter, { | |
| value: store.getState(), | |
| onIncrement: function () { | |
| return store.dispatch({ | |
| type: 'INCREMENT' | |
| }); | |
| }, | |
| onDecrement: function () { | |
| return store.dispatch({ | |
| type: 'DECREMENT' | |
| }); | |
| } | |
| }), document.getElementById('root')); | |
| }; | |
| store.subscribe(render); | |
| render(); | |
| expect(counter(0, { type: 'INCREMENT' })).toEqual(1); | |
| expect(counter(1, { type: 'INCREMENT' })).toEqual(2); | |
| expect(counter(1, { type: 'DECREMENT' })).toEqual(0); | |
| expect(counter(undefined, {})).toEqual(0); | |
| expect(counter(1, { type: 'unknown' })).toEqual(1); | |
| console.log('Tests passed'); |
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