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fix(browser): fix `import.meta.env` define (#9205)
authored by
Hiroshi Ogawa
and committed by
GitHub
(Dec 8, 2025, 9:54 AM +0100)
01a9a58d
01c56454
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-1
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test/browser/vitest.config.mts
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test/browser/vitest.config.mts
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optimizeDeps: {
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include: ['@vitest/cjs-lib', '@vitest/bundled-lib', 'react/jsx-dev-runtime'],
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},
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define: {
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'import.meta.env.DEFINE_CUSTOM_ENV': JSON.stringify('define-custom-env'),
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},
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test: {
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include: ['test/**.test.{ts,js,tsx}'],
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includeSource: ['src/*.ts'],
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test/browser/test/env.test.ts
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test/browser/test/env.test.ts
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expect(import.meta.env.CUSTOM_ENV).toBe('foo')
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})
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test('import.meta.env via define', () => {
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expect(import.meta.env.DEFINE_CUSTOM_ENV).toBe('define-custom-env')
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})
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test('ignores import.meta.env in string literals', () => {
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expect('import.meta.env').toBe('import' + '.meta.env')
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})
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packages/browser/src/node/plugin.ts
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packages/browser/src/node/plugin.ts
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}
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},
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},
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{
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name: 'vitest:browser:__vitest_browser_import_meta_env_init__',
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transform: {
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handler(code) {
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// this transform runs after `vitest:meta-env-replacer` so that
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// `import.meta.env` will be handled by Vite import analysis to match behavior.
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if (code.includes('__vitest_browser_import_meta_env_init__')) {
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return code.replace('__vitest_browser_import_meta_env_init__', 'import.meta.env')
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}
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},
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},
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},
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]
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}
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+2
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packages/browser/src/client/tester/tester.ts
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-1
packages/browser/src/client/tester/tester.ts
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const state = getWorkerState()
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-
state.metaEnv = import.meta.env
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// @ts-expect-error replaced with `import.meta.env` by transform
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state.metaEnv = __vitest_browser_import_meta_env_init__
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state.onCancel = onCancel
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state.ctx.rpc = rpc as any
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state.rpc = rpc as any