feat(issue-186): integrate microfrontend in pfr-app web client

Merge pull request #194 from live-dev999/live-dev999/issue186

src/WebApps/pfr-app/c-gen/.babelrc

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

src/WebApps/pfr-app/c-gen/.gitignore

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+# 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/
+
+# Snowpack dependency directory (https://snowpack.dev/)
+web_modules/
+
+# 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
+.parcel-cache
+
+# Next.js build output
+.next
+out
+
+# 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
+
+# Stores VSCode versions used for testing VSCode extensions
+.vscode-test
+
+# yarn v2
+.yarn/cache
+.yarn/unplugged
+.yarn/build-state.yml
+.yarn/install-state.gz
+.pnp.*

src/WebApps/pfr-app/c-gen/package.json

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+{
+  "name": "c-gen",
+  "version": "1.0.0",
+  "scripts": {
+    "build": "webpack --mode production",
+    "build:dev": "webpack --mode development",
+    "build:start": "cd dist && PORT=3001 npx serve",
+    "start": "webpack serve --open --mode development",
+    "start:live": "webpack serve --open --mode development --live-reload --hot"
+  },
+  "license": "MIT",
+  "author": {
+    "name": "Jack Herrington",
+    "email": "jherr@pobox.com"
+  },
+  "devDependencies": {
+    "@babel/core": "^7.15.8",
+    "@babel/plugin-transform-runtime": "^7.15.8",
+    "@babel/preset-env": "^7.15.8",
+    "@babel/preset-react": "^7.14.5",
+    "autoprefixer": "^10.1.0",
+    "babel-loader": "^8.2.2",
+    "css-loader": "^6.3.0",
+    "html-webpack-plugin": "^5.3.2",
+    "postcss": "^8.2.1",
+    "postcss-loader": "^4.1.0",
+    "style-loader": "^3.3.0",
+    "webpack": "^5.57.1",
+    "webpack-cli": "^4.9.0",
+    "webpack-dev-server": "^4.3.1",
+    "tailwindcss": "^2.0.2"
+  },
+  "dependencies": {
+    "@babel/runtime": "^7.13.10",
+    "react": "^17.0.2",
+    "react-dom": "^17.0.2"
+  }
+}

src/WebApps/pfr-app/c-gen/postcss.config.js

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+const autoprefixer = require("autoprefixer");
+const tailwindcss = require("tailwindcss");
+
+module.exports = {
+  plugins: [tailwindcss, autoprefixer],
+};

src/WebApps/pfr-app/c-gen/src/App.jsx

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+import React from "react";
+import ReactDOM from "react-dom";
+
+import "./index.scss";
+import Header from "pfr_app/Header";
+import Footer from "pfr_app/Footer";
+import SafeComponent from "./SafeComponent";
+
+const App = () => (
+  <div className="text-3xl mx-auto max-w-6xl">
+    <SafeComponent>
+      <Header />
+    </SafeComponent>
+    <div className="my-10">C_GEN Page Content</div>
+    <Footer />
+  </div>
+);
+ReactDOM.render(<App />, document.getElementById("app"));

src/WebApps/pfr-app/c-gen/src/SafeComponent.jsx

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+import React from "react";
+
+export default class SafeComponent extends React.Component {
+  constructor(props) {
+    super(props);
+    this.state = { hasError: false };
+  }
+
+  static getDerivedStateFromError(error) {
+    return { hasError: true };
+  }
+
+  componentDidCatch(){
+
+  }
+
+  render(){
+    if(this.state.hasError){
+      return <h1>Something went wrong.</h1>
+    }
+
+    return this.props.children;
+  }
+}

src/WebApps/pfr-app/c-gen/src/index.html

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+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+  <meta charset="UTF-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1.0">
+  <title>c-gen</title>
+</head>
+
+<body>
+  <div id="app"></div>
+</body>
+
+</html>

src/WebApps/pfr-app/c-gen/src/index.js

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+import("./App");

src/WebApps/pfr-app/c-gen/src/index.scss

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+@tailwind base;
+@tailwind components;
+@tailwind utilities;
+
+body {
+  font-family: Arial, Helvetica, sans-serif;
+}

src/WebApps/pfr-app/c-gen/tailwind.config.js

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+module.exports = {
+  purge: [],
+  darkMode: false, // or 'media' or 'class'
+  theme: {
+    extend: {},
+  },
+  variants: {
+    extend: {},
+  },
+  plugins: [],
+}

src/WebApps/pfr-app/c-gen/webpack.config.js

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+const HtmlWebPackPlugin = require("html-webpack-plugin");
+const ModuleFederationPlugin = require("webpack/lib/container/ModuleFederationPlugin");
+
+const deps = require("./package.json").dependencies;
+module.exports = {
+  output: {
+    publicPath: "http://localhost:3001/",
+  },
+
+  resolve: {
+    extensions: [".tsx", ".ts", ".jsx", ".js", ".json"],
+  },
+
+  devServer: {
+    port: 3001,
+    historyApiFallback: true,
+  },
+
+  module: {
+    rules: [
+      {
+        test: /\.m?js/,
+        type: "javascript/auto",
+        resolve: {
+          fullySpecified: false,
+        },
+      },
+      {
+        test: /\.(css|s[ac]ss)$/i,
+        use: ["style-loader", "css-loader", "postcss-loader"],
+      },
+      {
+        test: /\.(ts|tsx|js|jsx)$/,
+        exclude: /node_modules/,
+        use: {
+          loader: "babel-loader",
+        },
+      },
+    ],
+  },
+
+  plugins: [
+    new ModuleFederationPlugin({
+      name: "c_gen",
+      filename: "remoteEntry.js",
+      remotes: {
+        "pfr_app": "pfr_app@http://localhost:3000/remoteEntry.js",
+      },
+      exposes: {},
+      shared: {
+        ...deps,
+        react: {
+          singleton: true,
+          requiredVersion: deps.react,
+        },
+        "react-dom": {
+          singleton: true,
+          requiredVersion: deps["react-dom"],
+        },
+      },
+    }),
+    new HtmlWebPackPlugin({
+      template: "./src/index.html",
+    }),
+  ],
+};