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/* eslint-env jest */
import { createSandbox } from 'development-sandbox'
import { FileRef, nextTestSetup } from 'e2e-utils'
import path from 'path'
import { outdent } from 'outdent'
describe('Error Overlay invalid imports', () => {
const { next } = nextTestSetup({
files: new FileRef(path.join(__dirname, 'fixtures', 'default-template')),
dependencies: {
'server-only': 'latest',
'client-only': 'latest',
},
skipStart: true,
})
it('should show error when using styled-jsx in server component', async () => {
await using sandbox = await createSandbox(
next,
new Map([
[
'app/comp1.js',
outdent`
import { Comp2 } from './comp2'
export function Comp1() {
return <Comp2 />
}
`,
],
[
'app/comp2.js',
outdent`
export function Comp2() {
return (
<div>
<style jsx>{\`
p {
color: red;
}
\`}</style>
</div>
)
}
`,
],
[
'app/page.js',
outdent`
'use client'
import { Comp1 } from './comp1'
export default function Page() {
return <Comp1 />
}
`,
],
])
)
const { session } = sandbox
const pageFile = 'app/page.js'
const content = await next.readFile(pageFile)
const withoutUseClient = content.replace("'use client'", '')
await session.patch(pageFile, withoutUseClient)
await session.assertHasRedbox()
if (process.env.IS_TURBOPACK_TEST) {
expect(await session.getRedboxSource()).toMatchInlineSnapshot(`
"./app
Invalid import
'client-only' cannot be imported from a Server Component module. It should only be used from a Client Component.
The error was caused by using 'styled-jsx'. It only works in a Client Component but none of its parents are marked with "use client", so they're Server Components by default."
`)
} else {
expect(await session.getRedboxSource()).toMatchInlineSnapshot(`
"./app/comp2.js
'client-only' cannot be imported from a Server Component module. It should only be used from a Client Component.
The error was caused by using 'styled-jsx' in './app/comp2.js'. It only works in a Client Component but none of its parents are marked with "use client", so they're Server Components by default.
Import trace for requested module:
./app/comp2.js
./app/comp1.js
./app/page.js"
`)
}
})
it('should show error when external package imports client-only in server component', async () => {
await using sandbox = await createSandbox(
next,
new Map([
[
'node_modules/client-only-package/index.js',
outdent`
require("client-only")
`,
],
[
'node_modules/client-only-package/package.json',
outdent`
{
"name": "client-only-package",
"main": "index.js"
}
`,
],
[
'app/comp1.js',
outdent`
import { Comp2 } from './comp2'
export function Comp1() {
return <Comp2 />
}
`,
],
[
'app/comp2.js',
outdent`
import "client-only-package"
export function Comp2() {
return (
<div>Hello world</div>
)
}
`,
],
[
'app/page.js',
outdent`
'use client'
import { Comp1 } from './comp1'
export default function Page() {
return <Comp1 />
}
`,
],
])
)
const { session } = sandbox
const pageFile = 'app/page.js'
const content = await next.readFile(pageFile)
const withoutUseClient = content.replace("'use client'", '')
await session.patch(pageFile, withoutUseClient)
await session.assertHasRedbox()
if (process.env.IS_TURBOPACK_TEST) {
expect(await session.getRedboxSource()).toMatchInlineSnapshot(`
"./node_modules/client-only-package
Invalid import
'client-only' cannot be imported from a Server Component module. It should only be used from a Client Component.
The error was caused by importing 'node_modules/client-only-package'"
`)
} else {
expect(await session.getRedboxSource()).toMatchInlineSnapshot(`
"./app/comp2.js
'client-only' cannot be imported from a Server Component module. It should only be used from a Client Component.
The error was caused by importing 'client-only-package/index.js' in './app/comp2.js'.
Import trace for requested module:
./app/comp2.js
./app/comp1.js
./app/page.js"
`)
}
})
it('should show error when external package imports server-only in client component', async () => {
await using sandbox = await createSandbox(
next,
new Map([
[
'node_modules/server-only-package/index.js',
outdent`
require("server-only")
`,
],
[
'node_modules/server-only-package/package.json',
outdent`
{
"name": "server-only-package",
"main": "index.js"
}
`,
],
[
'app/comp1.js',
outdent`
import { Comp2 } from './comp2'
export function Comp1() {
return <Comp2 />
}
`,
],
[
'app/comp2.js',
outdent`
import 'server-only-package'
export function Comp2() {
return (
<div>Hello world</div>
)
}
`,
],
[
'app/page.js',
outdent`
import { Comp1 } from './comp1'
export default function Page() {
return <Comp1 />
}
`,
],
])
)
const { session } = sandbox
const file = 'app/page.js'
const content = await next.readFile(file)
await session.patch(file, "'use client'\n" + content)
await session.assertHasRedbox()
if (process.env.IS_TURBOPACK_TEST) {
expect(await session.getRedboxSource()).toMatchInlineSnapshot(`
"./node_modules/server-only-package
Invalid import
'server-only' cannot be imported from a Client Component module. It should only be used from a Server Component.
The error was caused by importing 'node_modules/server-only-package'"
`)
} else {
expect(await session.getRedboxSource()).toMatchInlineSnapshot(`
"./app/comp2.js
'server-only' cannot be imported from a Client Component module. It should only be used from a Server Component.
The error was caused by importing 'server-only-package/index.js' in './app/comp2.js'.
Import trace for requested module:
./app/comp2.js
./app/comp1.js
./app/page.js"
`)
}
})
})
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