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const fs = require('fs')const { parse } = require('./pkg/esm_cjs_lexer')
exports.foo = truemodule.exports.bar = true
if (process.env.NODE_ENV === 'development') {  exports.dev = true} else {  exports.prod = true}
const code = fs.readFileSync("./test.js", "utf-8")const ret = parse("./test.js", code, { nodeEnv: "development" })
if (ret.exports.join(',') !== 'foo,bar,dev') {  throw new Error('unexpected exports of index.js: ' + ret.exports.join(','))}console.log("done")