webpack.config.js

const path = require( "path" );
const webpack = require( "webpack" );

const CopyWebpackPlugin = require( "copy-webpack-plugin" );

const cesiumSource = '/node_modules/cesium/Build/Cesium';

module.exports = {
	context: path.join( __dirname, "demo" ),
	entry: "./scripts/index.ts",
	output: {
		path: path.join( __dirname, "demo/dist" ),
		publicPath: "/dist/",
		filename: "demo.js",
		libraryTarget: "umd",
		sourcePrefix: ''
	},
	node: {
		fs: 'empty'
	},
	amd: {
		toUrlUndefined: true
	},
	resolve: {
		extensions: [ '.ts', '.js', '.html', '.webpack.js', '.web.js', '.css' ],
	},
	module: {
		unknownContextCritical: false,
		rules: [ {
				test: /\.tsx?$/,
				loader: "ts-loader"
			}, {
				test: /\.less$/,
				use: [ "style-loader", "css-loader", "less-loader" ]
			}, {
				test: /\.css$/,
				use: [ "style-loader", "css-loader" ]
			}, {
				test: /\.svg$/,
				loader: "svg-url-loader",
				options: {
					limit: 10000
				}
			}, {
				test: require.resolve( "./app/vendor/earth-api-utility-library/extensions.js" ),
				loader: "exports-loader?window.GEarthExtensions"
			},
			{
				test: /\.(jpe?g|png|kml|gif|jpg|ico)$/,
				loader: "url-loader",
				options: {
					limit: 10000
				}
			},
			{
				test: /mapbox-gl-rtl-text.min.js$/,
				loader: 'file-loader'
			}
		]
	},
	plugins: [
		new CopyWebpackPlugin( [ {
				from: path.join( __dirname, cesiumSource, 'Workers' ),
				to: path.join( __dirname, 'demo/Workers' )
			}, {
				from: path.join( __dirname, cesiumSource, 'Assets' ),
				to: path.join( __dirname, 'demo/Assets' )
			}, {
				from: path.join( __dirname, cesiumSource, 'Widgets' ),
				to: path.join( __dirname, 'demo/Widgets' )
			}, {
				from: path.join( __dirname, cesiumSource, 'ThirdParty' ),
				to: path.join( __dirname, 'demo/ThirdParty' )
			},
			{
				from: path.join( __dirname, 'app/assets/fonts' ),
				to: path.join( __dirname, 'demo/fonts' )
			}
		] ),
		new webpack.DefinePlugin( {
			CESIUM_BASE_URL: JSON.stringify( '/' )
		} )
	],
	devtool: "inline-source-map",
	devServer: {
		inline: true,
		hot: true,
		contentBase: path.join( __dirname, "demo" ),
		port: 88
	},
	mode: "development"
};