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fix(vue-renderer): add vary header for user-agent in modern server mode #5807

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merged 2 commits into from May 25, 2019
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8 changes: 8 additions & 0 deletions packages/vue-renderer/src/renderers/modern.js
Expand Up @@ -109,4 +109,12 @@ export default class ModernRenderer extends SSRRenderer {
return linkTag.replace('rel="preload"', `rel="modulepreload"${cors}`).replace(legacyJsFile, modernJsFile)
})
}

async render(renderContext) {
const result = await super.render(renderContext)
if (this.isServerMode) {
renderContext.res.setHeader('Vary', 'User-Agent')
}
return result
}
}
8 changes: 8 additions & 0 deletions test/unit/modern.server.test.js
Expand Up @@ -68,6 +68,14 @@ describe('modern server mode', () => {
].join(', '))
})

test('Vary header should contain User-Agent', async () => {
const { headers: { vary } } = await rp(url('/'), {
resolveWithFullResponse: true,
headers: { 'user-agent': modernUA }
})
expect(vary).toContain('User-Agent')
})

// Close server and ask nuxt to stop listening to file changes
afterAll(async () => {
await nuxt.close()
Expand Down