mermaidAPI should target node

webpack.config.js

@@ -1,16 +1,11 @@
-import path from 'path'
+import { webConfig, nodeConfig } from './webpack.config.base.js'
 
-const config = {
-  target: 'web',
-  entry: {
-    mermaid: './src/mermaid.js',
-    mermaidAPI: './src/mermaidAPI.js'
-  },
-  externals: 'fs',
-  output: {
-    path: path.join(__dirname, './dist/'),
-    filename: '[name].js'
-  }
-}
+const config1 = webConfig()
 
-export default [config]
+const config2 = webConfig()
+config2.externals = ['fs', 'd3']
+config2.output.filename = '[name].slim.js'
+
+const config3 = nodeConfig()
+
+export default [config1, config2, config3]