feat(react-crud): initial commit

react-crud/.babelrc

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+{
+  "presets": [
+    "@babel/preset-env",
+    "@babel/preset-react"
+  ]
+}

react-crud/.gitignore

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+# Others
+build*
+
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+*.lcov
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# TypeScript v1 declaration files
+typings/
+
+# TypeScript cache
+*.tsbuildinfo
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Microbundle cache
+.rpt2_cache/
+.rts2_cache_cjs/
+.rts2_cache_es/
+.rts2_cache_umd/
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+.env.test
+
+# parcel-bundler cache (https://parceljs.org/)
+.cache
+
+# Next.js build output
+.next
+
+# Nuxt.js build / generate output
+.nuxt
+dist
+
+# Gatsby files
+.cache/
+# Comment in the public line in if your project uses Gatsby and *not* Next.js
+# https://nextjs.org/blog/next-9-1#public-directory-support
+# public
+
+# vuepress build output
+.vuepress/dist
+
+# Serverless directories
+.serverless/
+
+# FuseBox cache
+.fusebox/
+
+# DynamoDB Local files
+.dynamodb/
+
+# TernJS port file
+.tern-port

react-crud/README.md

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+# React.js Example
+
+## Table of Contents
+0. [General](#general)
+1. [Links](#links)
+
+# General
+
+# Links
+
+* [React Table without lib](https://javascript.plainenglish.io/how-to-quickly-create-a-react-table-without-a-library-5deb80180788)
+* [HTTP Tables](https://www.w3schools.com/html/html_tables.asp)
+* [React Router](https://www.w3schools.com/react/react_router.asp)
+* [React form](https://www.w3schools.com/react/react_forms.asp)
+* [React CRUD](https://www.freecodecamp.org/news/how-to-perform-crud-operations-using-react/)
+* [React setup with webpack for beginners](https://dev.to/deepanjangh/react-setup-with-webpack-for-beginners-2a8k)
+* [Production](https://webpack.js.org/guides/production/)
+* [Setup Development and Production Environment for React App](https://medium.com/freestoneinfotech/setup-development-and-production-environment-for-react-app-397c4cc9e382)
+* [HtmlWebpackPlugin](https://webpack.js.org/plugins/html-webpack-plugin/)
+* [load CSS](https://masteringjs.io/tutorials/webpack/css-loader)
+* [load CSS](https://webpack.js.org/loaders/css-loader/)
+* [load CSS](https://blog.jakoblind.no/css-modules-webpack/)

react-crud/app/app.jsx

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+import React from 'react';
+import Create from './components/create';
+import Read from './components/read';
+import Update from './components/update';
+export default function App() {
+    return (
+	<>
+	    <Create />
+	    <Read />
+	    <Update />
+	</>
+    );
+};

react-crud/app/components/create.jsx

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+import React, { useState } from 'react' 
+import axios from 'axios';  
+export default function Create() {
+    const [name, setName] = useState('');
+    const postData = (e) => {
+	e.preventDefault();
+        console.log('name: '+name);
+	axios.post(
+	    'http://85.223.94.182:65535/entities/create',
+	    {
+		name:{name}
+	    });
+    };
+    return (
+	<div>
+	    <p>Create</p>
+	    <form onSubmit={postData}>
+		<label>
+		    Enter name (input:{name}):
+		    <input
+			placeholder='Name'
+			type="text"
+			value={name}
+			onChange={(e) => setName(e.target.value)}
+		    />
+		</label>
+		<input
+		    type="submit" />
+	    </form>
+	</div>
+    );
+};

react-crud/app/components/hello.jsx

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+import React from 'react';
+import PropTypes from 'prop-types';
+
+//destructure props
+const Hello = ({msg}) => {
+    return (
+	<>
+	    <div>{msg}</div>
+	</>
+    );
+}
+
+export default Hello
+
+Hello.propTypes = {
+    msg: PropTypes.string,
+};

react-crud/app/components/read.jsx

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+import React, {useEffect,useState} from 'react'
+import axios from 'axios';
+export default function Read() {
+    //create state containing incoming data array
+    const [apiData,setApiData]=useState([]);
+    //useEffect Hook, cos we need data when app loads
+    useEffect(()=>{
+	axios.get('http://83.223.94.182:65535/entities/info')
+	    .then((response)=>{
+		setApiData(response.data);
+	    });
+    },[]);
+    return (
+	<div>
+	    <p>Read</p>
+	    <table>
+		<thead>
+		    <tr>
+			<th>Id</th>
+			<th>Name</th>
+		    </tr>
+		</thead>
+		<tbody>
+		    {apiData.map((value,key) => {
+			//console.log('key: '+key+', value: '+value);
+			return (
+			    <tr
+				key={key}
+			    >
+				<td>{value[0]}</td>
+				<td>{value[1]}</td>
+			    </tr>
+			);
+		    })}
+		</tbody>
+	    </table>
+	</div>
+    );
+};

react-crud/app/components/update.jsx

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+import React from 'react' 
+export default function Update() {
+    return (
+	<div>
+	    <p>Update</p>
+	</div>
+    );
+};

react-crud/app/index.jsx

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+import React from 'react';
+import ReactDOM from 'react-dom';
+import App from './app';
+//TODO remove debugging
+if (process.env.NODE_ENV !== 'production') {
+    console.log('development mode');
+}
+//since react 18
+import { createRoot } from 'react-dom/client';
+//create root container
+const root = createRoot(document.getElementById("root"));
+//render root app
+root.render(
+    <React.StrictMode>
+	<App />
+    </React.StrictMode>
+);

react-crud/app/pages/home.jsx

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+import React from 'react';
+import Hello from '../components/hello';
+import '../style.css';
+export default function Home() {
+    return (
+	<>
+	    <Hello />
+	</>
+    );
+};

react-crud/app/style.css

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+h1 { color: red; }
+h2 { color: green; }
+h3 { color: blue; }

react-crud/config/webpack.common.js

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+//generate a HTML5 file including all webpack bundles in the body using script tags
+const HtmlWebpackPlugin = require('html-webpack-plugin');
+//path is used to resolve properly across the OS
+const path = require('path');
+module.exports = {
+    //bundle *.js from this entry point
+    entry: path.resolve(__dirname, '../app/index.jsx'),
+    //create output file to be linked to index.html
+    output: {
+        filename: '[name].bundle.js',
+	path: path.resolve(__dirname, '../dist'),
+	clean: true,
+    },
+    module: {
+	rules: [
+	    {
+		//test all *.js using babel-loader
+		//test all *.jsx (e.g. React.js) using babel-loader
+		test: /\.(js|jsx)$/,
+		exclude: /node_modules/,
+		include: path.resolve(__dirname, '../app'),
+		use: ['babel-loader'],
+	    },
+	    {
+		//test all *.css using style-loader and css-loader
+		test: /\.css$/i,
+		use: ["style-loader", "css-loader"],
+	    },
+	]
+    },
+    resolve: {
+	extensions: ['*', '.js', '.jsx'],
+    },
+    plugins: [
+	// create a plugin instance so that you can use it several times anywhere
+	new HtmlWebpackPlugin({
+	    title: 'Production',
+	    template: path.resolve(__dirname, "../public/index.html")
+	}),
+    ],
+};

react-crud/config/webpack.dev.js

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+//path is used to resolve properly across the OS
+const path = require('path');
+const { merge } = require('webpack-merge');
+const common = require('./webpack.common.js');
+//merge() calls in the environment-specific configuration to include commons
+module.exports = merge(common, {
+    //set development mode
+    mode: 'development',
+    //enable strong source mapping
+    devtool: 'inline-source-map',
+    devServer: {
+	static: path.resolve(__dirname, '../dist'),
+    },
+});

react-crud/config/webpack.prod.js

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+const { merge } = require('webpack-merge');
+const common = require('./webpack.common.js');
+module.exports = merge(common, {
+    mode: 'production',
+    //source maps encouraged in production
+    //choose mapping with fairly quick build speed like source-map
+    devtool: 'source-map',
+});

react-crud/package.json

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+{
+    "private": true,
+    "name": "react-example",
+    "description": "React.js example",
+    "version": "0.1.0",
+    "main": "index.js",
+    "keywords": [
+        "react",
+        "webpack"
+    ],
+    "author": "Software Ingenieur Begerad <dialog@SwIngBe.de>",
+    "license": "GPL-3.0-or-later",
+    "engines": {
+        "node": ">=10"
+    },
+    "scripts": {
+        "start": "webpack serve --config config/webpack.dev.js",
+        "build": "webpack --config config/webpack.prod.js"
+    },
+    "devDependencies": {
+        "@babel/core": "7.18.13",
+        "@babel/preset-env": "7.18.10",
+        "@babel/preset-react": "7.18.6",
+        "babel-loader": "8.2.5",
+        "css-loader": "6.7.1",
+        "html-webpack-plugin": "5.5.0",
+        "style-loader": "3.3.1",
+        "webpack": "5.74.0",
+        "webpack-cli": "4.10.0",
+        "webpack-dev-server": "4.10.1",
+        "webpack-merge": "5.8.0"
+    },
+    "dependencies": {
+        "axios": "1.3.4",
+        "prop-types": "15.8.1",
+        "react": "18.2.0",
+        "react-dom": "18.2.0"
+    }
+}

react-crud/public/index.html

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+<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset="UTF-8">
+    <title>React Example</title>
+  </head>
+  <body>
+    <div id="root"></div>
+  </body>
+</html>

renovate.json

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-{
-    "extends":
-    [
-	"config:base"
-    ],
-    "timezone": "Europe/Berlin",
-    "packageRules":
-    [
-	{
-	    "matchDepTypes": ["devDependencies"],
-	    "matchPackagePatterns": ["lint","prettier"],
-	    "automerge": true
-	},
-	{
-	    "matchUpdateTypes": ["minor","patch"],
-	    "matchCurrentVersion": "!/^0/",
-	    "automerge": true
-	}
-    ]
-}