kuju63/Hello.tsx

## file0.txt
mkdir proj
cd proj
mkdir src
cd src
mkdir components
cd ..

## file1.txt
proj/
└─ src/
   └─ components/

## file2.txt
npm init

## file3.txt
npm install -g typescript webpack webpack-cli

## file4.txt
npm install -g webpack

## file5.txt
npm install --save react react-dom @types/react @types/react-dom

## file6.txt
npm install --save-dev typescript awesome-typescript-loader source-map-loader

## Hello.tsx
import * as React from "react";

export interface HelloProps { compiler: string; framework: string; }

export const Hello = (props: HelloProps) => <h1>Hello from {props.compiler} and {props.framework}!</h1>;

## index.html
<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8" />
        <title>Hello React!</title>
    </head>
    <body>
        <div id="example"></div>

        <!-- Dependencies -->
        <script src="./node_modules/react/umd/react.development.js"></script>
        <script src="./node_modules/react-dom/umd/react-dom.development.js"></script>

        <!-- Main -->
        <script src="./dist/bundle.js"></script>
    </body>
</html>

## index.tsx
import * as React from "react";
import * as ReactDOM from "react-dom";

import { Hello } from "./components/Hello";

ReactDOM.render(
    <Hello compiler="TypeScript" framework="React" />,
    document.getElementById("example")
);

## package.json
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1",
    //ここから
    "build": "webpack",
    "watch": "webpack -w"
　　　　　　　　//ここまでを追加する
  },

## tsconfig.json
{
  "compilerOptions": {
    "sourceMap": true,
    // TSはECMAScript 5に変換
    "target": "es5",
    // TSのモジュールはES Modulesとして出力
    "module": "es2015",
    // JSXの書式を有効に設定
    "jsx": "react",
    "moduleResolution": "node",
    "lib": [
      "es2017",
      "dom"
    ]
  }
}

## webpack.config.js
module.exports = {
    entry: "./src/index.tsx",
    output: {
        filename: "bundle.js",
        path: __dirname + "/dist"
    },

    // Enable sourcemaps for debugging webpack's output.
    devtool: "source-map",

    resolve: {
        // Add '.ts' and '.tsx' as resolvable extensions.
        extensions: [".ts", ".tsx", ".js", ".json"]
    },

    module: {
        rules: [
            // All files with a '.ts' or '.tsx' extension will be handled by 'awesome-typescript-loader'.
            { test: /\.tsx?$/, loader: "awesome-typescript-loader" },

            // All output '.js' files will have any sourcemaps re-processed by 'source-map-loader'.
            { enforce: "pre", test: /\.js$/, loader: "source-map-loader" }
        ]
    },

    // When importing a module whose path matches one of the following, just
    // assume a corresponding global variable exists and use that instead.
    // This is important because it allows us to avoid bundling all of our
    // dependencies, which allows browsers to cache those libraries between builds.
    externals: {
        "react": "React",
        "react-dom": "ReactDOM"
    },
};
	import * as React from "react";

	export interface HelloProps { compiler: string; framework: string; }

	export const Hello = (props: HelloProps) => <h1>Hello from {props.compiler} and {props.framework}!</h1>;
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="UTF-8" />
	<title>Hello React!</title>
	</head>
	<body>
	<div id="example"></div>

	<!-- Dependencies -->
	<script src="./node_modules/react/umd/react.development.js"></script>
	<script src="./node_modules/react-dom/umd/react-dom.development.js"></script>

	<!-- Main -->
	<script src="./dist/bundle.js"></script>
	</body>
	</html>
	import * as React from "react";
	import * as ReactDOM from "react-dom";

	import { Hello } from "./components/Hello";

	ReactDOM.render(
	<Hello compiler="TypeScript" framework="React" />,
	document.getElementById("example")
	);
	"scripts": {
	"test": "echo \"Error: no test specified\" && exit 1",
	//ここから
	"build": "webpack",
	"watch": "webpack -w"
	//ここまでを追加する
	},
	{
	"compilerOptions": {
	"sourceMap": true,
	// TSはECMAScript 5に変換
	"target": "es5",
	// TSのモジュールはES Modulesとして出力
	"module": "es2015",
	// JSXの書式を有効に設定
	"jsx": "react",
	"moduleResolution": "node",
	"lib": [
	"es2017",
	"dom"
	]
	}
	}
	module.exports = {
	entry: "./src/index.tsx",
	output: {
	filename: "bundle.js",
	path: __dirname + "/dist"
	},

	// Enable sourcemaps for debugging webpack's output.
	devtool: "source-map",

	resolve: {
	// Add '.ts' and '.tsx' as resolvable extensions.
	extensions: [".ts", ".tsx", ".js", ".json"]
	},

	module: {
	rules: [
	// All files with a '.ts' or '.tsx' extension will be handled by 'awesome-typescript-loader'.
	{ test: /\.tsx?$/, loader: "awesome-typescript-loader" },

	// All output '.js' files will have any sourcemaps re-processed by 'source-map-loader'.
	{ enforce: "pre", test: /\.js$/, loader: "source-map-loader" }
	]
	},

	// When importing a module whose path matches one of the following, just
	// assume a corresponding global variable exists and use that instead.
	// This is important because it allows us to avoid bundling all of our
	// dependencies, which allows browsers to cache those libraries between builds.
	externals: {
	"react": "React",
	"react-dom": "ReactDOM"
	},
	};