npm install ts-loader --save-dev

module.exports = {
    resolve: {
        extensions: ['.ts', '.tsx', '.js']
    },
    module: {
        rules: [
            {
                // Set up ts-loader for .ts/.tsx files and exclude any imports from node_modules.
                test: /\.tsx?$/,
                loaders: ['ts-loader'],
                exclude: /node_modules/
            }
        ]
    },
    entry: [
        // Set index.tsx as application entry point.
        './index.tsx'
    ],
    output: {
      filename: "bundle.js"
    }
};

module.exports = {entry: "./src/index.tsx",output: {filename: "bundle.js"},resolve: {// Add '.ts' and '.tsx' as a resolvable extension.extensions: ["", ".webpack.js", ".web.js", ".ts", ".tsx", ".js"]},module: {loaders: [// all files with a '.ts' or '.tsx' extension will be handled by 'ts-loader'{ test: /\.ts(x)?$/, loader: "ts-loader", exclude: /node_modules/ }]}}