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Created July 3, 2017 16:21
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BASIC REDUX IMPMENTATION #2 // source https://jsbin.com/xuriren
Raw
index.html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<title>BASIC REDUX IMPMENTATION #2</title>
<script src="https://cdnjs.cloudflare.com/ajax/libs/redux/3.0.4/redux.js"></script>
<script src="https://unpkg.com/expect/umd/expect.min.js"></script>
</head>
<body>
<h1>BASIC REDUX IMPMENTATION #2</h1>
<p>DevTools (F12) -> see the magic</p>
<script id="jsbin-javascript">
const counter = (state = 0, action) => {
switch(action.type){
case "INCREMENT":
return state + 1;
case "DECREMENT":
return state - 1;
default:
return state;
}
return state;
}
const { createStore } = Redux;
const store = createStore(counter);
store.dispatch({ type: "INCREMENT" });
expect( store.getState() ).toEqual(1)
store.dispatch({ type: "INCREMENT" });
expect( store.getState() ).toEqual(2)
store.dispatch({ type: "DECREMENT" });
expect( store.getState() ).toEqual(1)
store.dispatch({ type: "DECREMENT" });
expect( store.getState() ).toEqual(0)
console.log("ALL TEST 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;
}
return state;
}
const { createStore } = Redux;
const store = createStore(counter);
store.dispatch({ type: "INCREMENT" });
expect( store.getState() ).toEqual(1)
store.dispatch({ type: "INCREMENT" });
expect( store.getState() ).toEqual(2)
store.dispatch({ type: "DECREMENT" });
expect( store.getState() ).toEqual(1)
store.dispatch({ type: "DECREMENT" });
expect( store.getState() ).toEqual(0)
console.log("ALL TEST PASSED !!")</script></body>
</html>
Raw
jsbin.xuriren.js
const counter = (state = 0, action) => {
switch(action.type){
case "INCREMENT":
return state + 1;
case "DECREMENT":
return state - 1;
default:
return state;
}
return state;
}
const { createStore } = Redux;
const store = createStore(counter);
store.dispatch({ type: "INCREMENT" });
expect( store.getState() ).toEqual(1)
store.dispatch({ type: "INCREMENT" });
expect( store.getState() ).toEqual(2)
store.dispatch({ type: "DECREMENT" });
expect( store.getState() ).toEqual(1)
store.dispatch({ type: "DECREMENT" });
expect( store.getState() ).toEqual(0)
console.log("ALL TEST PASSED !!")
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