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Redux: Store Methods
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>Getting Started with Redux</title> | |
| </head> | |
| <body> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/redux/3.3.1/redux.js"></script> | |
| <script src="script.js"></script> | |
| </body> | |
| </html> |
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| // https://egghead.io/lessons/javascript-redux-store-methods-getstate-dispatch-and-subscribe | |
| // Reducer for the counter example | |
| const counter = (state = 0, action) => { | |
| switch(action.type) { | |
| case 'INCREMENT': | |
| return state + 1; | |
| case 'DECREMENT': | |
| return state - 1; | |
| default: | |
| return state; | |
| } | |
| } | |
| const { createStore } = Redux; | |
| const store = createStore(counter); | |
| const render = function() { | |
| document.body.innerText = store.getState(); | |
| } | |
| // register a callback that the redux store will call | |
| // any time an action has been dispatched | |
| store.subscribe(render); | |
| render(); | |
| document.addEventListener('click', function() { | |
| store.dispatch({ type: 'INCREMENT' }); | |
| }); | |
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