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import type { NodePath, types } from 'next/dist/compiled/babel/core'
import type { PluginObj } from 'next/dist/compiled/babel/core'
import commonjsPlugin from 'next/dist/compiled/babel/plugin-transform-modules-commonjs'
// Handle module.exports in user code
export default function CommonJSModulePlugin(...args: any): PluginObj {
const commonjs = commonjsPlugin(...args)
return {
visitor: {
Program: {
exit(path: NodePath<types.Program>, state) {
let foundModuleExports = false
path.traverse({
MemberExpression(expressionPath: any) {
if (expressionPath.node.object.name !== 'module') return
if (expressionPath.node.property.name !== 'exports') return
foundModuleExports = true
},
})
if (!foundModuleExports) {
return
}
commonjs.visitor.Program.exit.call(this, path, state)
},
},
},
}
}
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