Sandbox::https://github.com/unplugin/unplugin-replace/blob/main/tests/vite.test.ts

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import path from 'node:path'

import { build } from 'vite'

import { expect, test } from 'vitest'

import UnpluginReplace from '../src/vite.ts'

import type { RolldownOutput } from 'rolldown'

test('vite', async () => {

const root = path.resolve(import.meta.dirname, 'fixtures')

const { output } = (await build({

root,

build: {

minify: false,

rollupOptions: {

input: [path.resolve(root, 'main.js')],

external: (id) => id === 'node:process',

logLevel: 'silent',

write: false,

logLevel: 'silent',

plugins: [

UnpluginReplace({

'process.platform': '"darwin"',

}),

})) as RolldownOutput

expect(output[0].code).toMatchSnapshot()

expect(output[0].code).not.contains('process.platform')

expect(output[0].code).contains('"darwin"')

})