Skip to content

Instantly share code, notes, and snippets.

Created June 27, 2016 14:33
Show Gist options
  • Save anonymous/1b5dac6aae627bf86d9f0ab9589253d8 to your computer and use it in GitHub Desktop.
Save anonymous/1b5dac6aae627bf86d9f0ab9589253d8 to your computer and use it in GitHub Desktop.
JS Bin // source https://jsbin.com/qadavi
<!DOCTYPE html>
<html>
<head>
<script src="https://npmcdn.com/expect/umd/expect.min.js"></script>
<script src="https://npmcdn.com/redux@3.5.2/dist/redux.js"
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<title>JS Bin</title>
></script>
</head>
<body>
<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;
}
};
//recreating createStore
var createStore = function createStore(reducer) {
var state = undefined;
var listeners = [];
var getState = function getState() {
return state;
};
var dispatch = function dispatch(action) {
state = reducer(state, action);
listeners.forEach(function (listener) {
return listener();
});
};
var subscribe = function subscribe(listener) {
listeners.push(listener);
return function () {
listeners = listeners.filter(function (l) {
return l !== listener;
});
};
};
dispatch({});
return { getState: getState, dispatch: dispatch, subscribe: subscribe };
};
var store = createStore(counter);
var render = function render() {
console.log(store.getState());
document.body.innerText = store.getState();
};
store.subscribe(render);
render();
//Add button action
document.addEventListener('click', function () {
store.dispatch({ type: 'INCREMENT' });
});
</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;
}
};
//recreating createStore
const createStore = (reducer) => {
let state;
let listeners = [];
const getState = () => state;
const dispatch = (action) => {
state = reducer(state, action);
listeners.forEach(listener => listener());
};
const subscribe = (listener) => {
listeners.push(listener);
return () => {
listeners = listeners.filter(l => l!== listener);
};
};
dispatch({});
return { getState, dispatch, subscribe };
};
const store = createStore(counter);
const render = () => {
console.log(store.getState());
document.body.innerText = store.getState();
};
store.subscribe(render);
render();
//Add button action
document.addEventListener('click', ()=>{
store.dispatch({type:'INCREMENT'});
});</script></body>
</html>
'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;
}
};
//recreating createStore
var createStore = function createStore(reducer) {
var state = undefined;
var listeners = [];
var getState = function getState() {
return state;
};
var dispatch = function dispatch(action) {
state = reducer(state, action);
listeners.forEach(function (listener) {
return listener();
});
};
var subscribe = function subscribe(listener) {
listeners.push(listener);
return function () {
listeners = listeners.filter(function (l) {
return l !== listener;
});
};
};
dispatch({});
return { getState: getState, dispatch: dispatch, subscribe: subscribe };
};
var store = createStore(counter);
var render = function render() {
console.log(store.getState());
document.body.innerText = store.getState();
};
store.subscribe(render);
render();
//Add button action
document.addEventListener('click', function () {
store.dispatch({ type: 'INCREMENT' });
});
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment