update

52 Redux/1-only-redux/kg-coding-redux.js

@@ -0,0 +1,32 @@
+const redux = require('redux');
+
+const INITIAL_VALUE = {
+  counter: 0
+};
+
+const reducer = (store = INITIAL_VALUE, action) => {
+  let newStore = store;
+  if (action.type === 'INCREMENT') {
+    newStore = {counter: store.counter + 1};
+  } else if (action.type === 'DECREMENT') {
+    newStore = {counter: store.counter - 1};
+  } else if (action.type === 'ADDITION') {
+    newStore = {counter: store.counter + action.payload.number};
+  }
+  return newStore;
+}
+
+const store = redux.createStore(reducer);
+
+const subscriber = () => {
+  const state = store.getState();
+  console.log(state);
+}
+
+store.subscribe(subscriber);
+
+store.dispatch({type: 'INCREMENT'});
+store.dispatch({type: 'DECREMENT'});
+store.dispatch({type: 'INCREMENT'});
+store.dispatch({type: 'ADDITION', payload: {number: 7}});
+store.dispatch({type: 'DECREMENT'});

52 Redux/1-only-redux/package.json

@@ -0,0 +1,15 @@
+{
+  "name": "1-only-redux",
+  "version": "1.0.0",
+  "description": "",
+  "main": "kg-coding-redux.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "redux": "^4.2.1"
+  }
+}