feat: Merge pull request #501 from ahabhgk/compat-rspack

feat: compatible with rspack

src/index.js

@@ -1,6 +1,5 @@
 import dotenv from 'dotenv-defaults'
 import fs from 'fs'
-import { DefinePlugin } from 'webpack'
 
 // Mostly taken from here: https://github.com/motdotla/dotenv-expand/blob/master/lib/main.js#L4
 const interpolate = (env, vars) => {
@@ -46,6 +45,7 @@ class Dotenv {
       target,
       version
     })
+    const DefinePlugin = (compiler.webpack && compiler.webpack.DefinePlugin) || require('webpack').DefinePlugin
 
     new DefinePlugin(data).apply(compiler)
   }