into-redux

it-fork · Sep 15, 2019 · 9d7bffc · 9d7bffc
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diff --git a/myredux/counter-with-redux/.gitignore b/myredux/counter-with-redux/.gitignore
@@ -0,0 +1,23 @@
+# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
+
+# dependencies
+/node_modules
+/.pnp
+.pnp.js
+
+# testing
+/coverage
+
+# production
+/build
+
+# misc
+.DS_Store
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
diff --git a/myredux/counter-with-redux/package-lock.json b/myredux/counter-with-redux/package-lock.json
diff --git a/myredux/counter-with-redux/package.json b/myredux/counter-with-redux/package.json
@@ -0,0 +1,34 @@
+{
+  "name": "redux-1",
+  "version": "0.1.0",
+  "private": true,
+  "dependencies": {
+    "react": "^16.9.0",
+    "react-dom": "^16.9.0",
+    "react-scripts": "3.1.1"
+  },
+  "scripts": {
+    "start": "react-scripts start",
+    "build": "react-scripts build",
+    "test": "react-scripts test",
+    "eject": "react-scripts eject"
+  },
+  "eslintConfig": {
+    "extends": "react-app"
+  },
+  "browserslist": {
+    "production": [
+      ">0.2%",
+      "not dead",
+      "not op_mini all"
+    ],
+    "development": [
+      "last 1 chrome version",
+      "last 1 firefox version",
+      "last 1 safari version"
+    ]
+  },
+  "devDependencies": {
+    "redux": "^4.0.4"
+  }
+}
diff --git a/myredux/counter-with-redux/public/index.html b/myredux/counter-with-redux/public/index.html
@@ -0,0 +1,19 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <link rel="shortcut icon" href="%PUBLIC_URL%/favicon.ico" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <meta name="theme-color" content="#000000" />
+    <meta
+      name="description"
+      content="Web site created using create-react-app"
+    />
+    <title>React App</title>
+  </head>
+  <body>
+    <noscript>You need to enable JavaScript to run this app.</noscript>
+    <div id="root">
+    </div>
+  </body>
+</html>
diff --git a/myredux/counter-with-redux/src/index.js b/myredux/counter-with-redux/src/index.js
@@ -0,0 +1,31 @@
+import React, {Component} from 'react';
+import ReactDOM from 'react-dom';
+import { bindActionCreators } from 'redux';
+import { store, newactions } from './store';
+
+class Counter extends Component {
+    constructor(props) {
+        super(props);
+        this.state = {
+            number: store.getState().number
+        }
+        store.subscribe(()=>{
+            this.setState({
+                number: store.getState().number
+            });
+        })
+    }
+    render() {
+        return (
+            <div>
+                <p>{this.state.number}</p>
+                <button onClick={() => newactions.add(2)}>+</button>
+                <button onClick={() => newactions.minus(3)}>-</button>
+            </div>
+        )
+    }
+}
+
+
+ReactDOM.render(<Counter />, document.getElementById('root'));
+
diff --git a/myredux/counter-with-redux/src/serviceWorker.js b/myredux/counter-with-redux/src/serviceWorker.js
@@ -0,0 +1,135 @@
+// This optional code is used to register a service worker.
+// register() is not called by default.
+
+// This lets the app load faster on subsequent visits in production, and gives
+// it offline capabilities. However, it also means that developers (and users)
+// will only see deployed updates on subsequent visits to a page, after all the
+// existing tabs open on the page have been closed, since previously cached
+// resources are updated in the background.
+
+// To learn more about the benefits of this model and instructions on how to
+// opt-in, read https://bit.ly/CRA-PWA
+
+const isLocalhost = Boolean(
+  window.location.hostname === 'localhost' ||
+    // [::1] is the IPv6 localhost address.
+    window.location.hostname === '[::1]' ||
+    // 127.0.0.1/8 is considered localhost for IPv4.
+    window.location.hostname.match(
+      /^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/
+    )
+);
+
+export function register(config) {
+  if (process.env.NODE_ENV === 'production' && 'serviceWorker' in navigator) {
+    // The URL constructor is available in all browsers that support SW.
+    const publicUrl = new URL(process.env.PUBLIC_URL, window.location.href);
+    if (publicUrl.origin !== window.location.origin) {
+      // Our service worker won't work if PUBLIC_URL is on a different origin
+      // from what our page is served on. This might happen if a CDN is used to
+      // serve assets; see https://github.com/facebook/create-react-app/issues/2374
+      return;
+    }
+
+    window.addEventListener('load', () => {
+      const swUrl = `${process.env.PUBLIC_URL}/service-worker.js`;
+
+      if (isLocalhost) {
+        // This is running on localhost. Let's check if a service worker still exists or not.
+        checkValidServiceWorker(swUrl, config);
+
+        // Add some additional logging to localhost, pointing developers to the
+        // service worker/PWA documentation.
+        navigator.serviceWorker.ready.then(() => {
+          console.log(
+            'This web app is being served cache-first by a service ' +
+              'worker. To learn more, visit https://bit.ly/CRA-PWA'
+          );
+        });
+      } else {
+        // Is not localhost. Just register service worker
+        registerValidSW(swUrl, config);
+      }
+    });
+  }
+}
+
+function registerValidSW(swUrl, config) {
+  navigator.serviceWorker
+    .register(swUrl)
+    .then(registration => {
+      registration.onupdatefound = () => {
+        const installingWorker = registration.installing;
+        if (installingWorker == null) {
+          return;
+        }
+        installingWorker.onstatechange = () => {
+          if (installingWorker.state === 'installed') {
+            if (navigator.serviceWorker.controller) {
+              // At this point, the updated precached content has been fetched,
+              // but the previous service worker will still serve the older
+              // content until all client tabs are closed.
+              console.log(
+                'New content is available and will be used when all ' +
+                  'tabs for this page are closed. See https://bit.ly/CRA-PWA.'
+              );
+
+              // Execute callback
+              if (config && config.onUpdate) {
+                config.onUpdate(registration);
+              }
+            } else {
+              // At this point, everything has been precached.
+              // It's the perfect time to display a
+              // "Content is cached for offline use." message.
+              console.log('Content is cached for offline use.');
+
+              // Execute callback
+              if (config && config.onSuccess) {
+                config.onSuccess(registration);
+              }
+            }
+          }
+        };
+      };
+    })
+    .catch(error => {
+      console.error('Error during service worker registration:', error);
+    });
+}
+
+function checkValidServiceWorker(swUrl, config) {
+  // Check if the service worker can be found. If it can't reload the page.
+  fetch(swUrl)
+    .then(response => {
+      // Ensure service worker exists, and that we really are getting a JS file.
+      const contentType = response.headers.get('content-type');
+      if (
+        response.status === 404 ||
+        (contentType != null && contentType.indexOf('javascript') === -1)
+      ) {
+        // No service worker found. Probably a different app. Reload the page.
+        navigator.serviceWorker.ready.then(registration => {
+          registration.unregister().then(() => {
+            window.location.reload();
+          });
+        });
+      } else {
+        // Service worker found. Proceed as normal.
+        registerValidSW(swUrl, config);
+      }
+    })
+    .catch(() => {
+      console.log(
+        'No internet connection found. App is running in offline mode.'
+      );
+    });
+}
+
+export function unregister() {
+  if ('serviceWorker' in navigator) {
+    navigator.serviceWorker.ready.then(registration => {
+      registration.unregister();
+    });
+  }
+}
diff --git a/myredux/counter-with-redux/src/store/actionTypes.js b/myredux/counter-with-redux/src/store/actionTypes.js
@@ -0,0 +1,2 @@
+export const INCREMENT = 'INCREMENT';
+export const DECREMENT = 'DECREMENT';
diff --git a/myredux/counter-with-redux/src/store/actions/index.js b/myredux/counter-with-redux/src/store/actions/index.js
@@ -0,0 +1,18 @@
+import * as actionTypes from '../actionTypes';
+
+const actions = {
+    add(number) {
+        return {
+            type: actionTypes.INCREMENT,
+            number
+        }
+    },
+    minus(number) {
+        return {
+            type: actionTypes.DECREMENT,
+            number
+        }
+    }
+}
+
+export default actions;
diff --git a/myredux/counter-with-redux/src/store/index.js b/myredux/counter-with-redux/src/store/index.js
@@ -0,0 +1,12 @@
+import {createStore, bindActionCreators} from 'redux';
+import reducers from './reducers';
+import actions from './actions';
+
+let store = createStore(reducers);
+let newactions = bindActionCreators(actions, store.dispatch);
+
+
+export {
+    store,
+    newactions
+};
diff --git a/myredux/counter-with-redux/src/store/reducers/index.js b/myredux/counter-with-redux/src/store/reducers/index.js
@@ -0,0 +1,21 @@
+import actions from '../actions';
+import * as actionTypes from '../actionTypes';
+
+function reducer(state = {number: 0}, action) {
+    switch(action.type) {
+        case actionTypes.INCREMENT:
+            return {
+                ...state,
+                number: state.number + action.number
+            }
+        case actionTypes.DECREMENT:
+            return {
+                ...state,
+                number: state.number - action.number
+            }
+        default:
+            return state;
+    }
+}
+
+export default reducer;
diff --git a/myredux/to-redux/package.json b/myredux/to-redux/package.json
@@ -0,0 +1,35 @@
+{
+  "name": "redux-1",
+  "version": "0.1.0",
+  "private": true,
+  "dependencies": {
+    "react": "^16.9.0",
+    "react-dom": "^16.9.0",
+    "react-redux": "^7.1.0",
+    "react-scripts": "3.1.1"
+  },
+  "scripts": {
+    "start": "react-scripts start",
+    "build": "react-scripts build",
+    "test": "react-scripts test",
+    "eject": "react-scripts eject"
+  },
+  "eslintConfig": {
+    "extends": "react-app"
+  },
+  "browserslist": {
+    "production": [
+      ">0.2%",
+      "not dead",
+      "not op_mini all"
+    ],
+    "development": [
+      "last 1 chrome version",
+      "last 1 firefox version",
+      "last 1 safari version"
+    ]
+  },
+  "devDependencies": {
+    "redux": "^4.0.4"
+  }
+}
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		export const INCREMENT = 'INCREMENT';
		export const DECREMENT = 'DECREMENT';