updated 添加UMD打包方式

webpack.config.js

@@ -0,0 +1,34 @@
+var path = require('path');
+var webpack = require('webpack');
+const TerserJSPlugin = require('terser-webpack-plugin');
+const pkg = require('./package');
+
+var repository = pkg.repository.url.replace(/(.+)(:\/\/.+)\.git$/,'https$2');
+var copyright = `${pkg.name} v${pkg.version} - ${pkg.description}
+${pkg.homepage}
+
+Copyright (c) 2016-present, ${pkg.author}
+Released under the ${pkg.license} License.
+${repository}/`;
+
+module.exports = {
+    entry: './src/relationship.js',
+    output: {
+        path: path.resolve(__dirname,'dist'),
+        filename: 'relationship.min.js',
+        globalObject: 'this',
+        library: 'relationship',
+        libraryTarget: 'umd',
+        libraryExport:'default'
+    },
+    plugins: [
+        new webpack.BannerPlugin(copyright)
+    ],
+    optimization: {
+        minimizer: [
+            new TerserJSPlugin({
+                extractComments: false
+            }),
+        ]
+    }
+};