升级到webpack4

config/webpack.umd.ts

@@ -0,0 +1,47 @@
+import * as path from 'path';
+import * as webpack from 'webpack';
+import ForkTsCheckerWebpackPlugin = require('fork-ts-checker-webpack-plugin');
+import * as HardSourceWebpackPlugin from 'hard-source-webpack-plugin';
+
+const config: webpack.Configuration = {
+    mode: "production",
+    entry: "./src/index.ts",
+    devtool: "source-map",
+    //输出设置
+    output: {
+        filename: "cad.js",
+        path: path.resolve(__dirname, '../umd'),
+        library: "cad",
+        libraryTarget: "umd"
+    },
+    //项目需要解析的文件拓展名称
+    resolve: {
+        extensions: [".ts", ".tsx", ".js", "json"]
+    },
+    externals: {
+        'three': "THREE"
+    },
+    //模块加载器设置
+    module: {
+        rules: [
+            {
+                test: /\.tsx?$/,
+                exclude: /node_modules/,
+                loader: 'ts-loader',
+                options: {
+                    transpileOnly: true,
+                    experimentalWatchApi: true,
+                },
+            },
+            { test: /\.css$/, loader: ['style-loader', 'css-loader'] },
+            { test: /\.[(jpg)|(png)|(obj)|(json)]$/, loader: "url-loader" },
+        ]
+    },
+
+    plugins: [
+        new HardSourceWebpackPlugin(),
+        new ForkTsCheckerWebpackPlugin({ checkSyntacticErrors: true }),
+    ]
+}
+
+export default config;