From f58ea6e656293c36c87e3ff0f6cdd3fb6e706836 Mon Sep 17 00:00:00 2001
From: Todor Totev <51530311+TodorTotev@users.noreply.github.com>
Date: Mon, 8 Jun 2020 17:25:37 +0300
Subject: [PATCH] Fix message on getStaticPaths conflict with
 getServerSideProps (#13874)

* initial

* Update tests

Co-authored-by: Joe Haddad <joe.haddad@zeit.co>
Co-authored-by: kodiakhq[bot] <49736102+kodiakhq[bot]@users.noreply.github.com>
---
 packages/next/lib/constants.ts                |  2 +-
 .../babel-plugin-next-ssg-transform.test.js   | 38 +++++++++++++++++++
 2 files changed, 39 insertions(+), 1 deletion(-)

diff --git a/packages/next/lib/constants.ts b/packages/next/lib/constants.ts
index 1d744b843eee2f..b50274579fae0a 100644
--- a/packages/next/lib/constants.ts
+++ b/packages/next/lib/constants.ts
@@ -28,7 +28,7 @@ export const SSG_GET_INITIAL_PROPS_CONFLICT = `You can not use getInitialProps w
 
 export const SERVER_PROPS_GET_INIT_PROPS_CONFLICT = `You can not use getInitialProps with getServerSideProps. Please remove getInitialProps.`
 
-export const SERVER_PROPS_SSG_CONFLICT = `You can not use getStaticProps with getServerSideProps. To use SSG, please remove getServerSideProps`
+export const SERVER_PROPS_SSG_CONFLICT = `You can not use getStaticProps or getStaticPaths with getServerSideProps. To use SSG, please remove getServerSideProps`
 
 export const PAGES_404_GET_INITIAL_PROPS_ERROR = `\`pages/404\` can not have getInitialProps/getServerSideProps, https://err.sh/next.js/404-get-initial-props`
 
diff --git a/test/unit/babel-plugin-next-ssg-transform.test.js b/test/unit/babel-plugin-next-ssg-transform.test.js
index ba43bc964824b5..0884de4776d5cd 100644
--- a/test/unit/babel-plugin-next-ssg-transform.test.js
+++ b/test/unit/babel-plugin-next-ssg-transform.test.js
@@ -498,5 +498,43 @@ describe('babel plugin (next-ssg-transform)', () => {
         `"import other from'other';const[foo]=other;export var __N_SSG=true;export default function Home(){return __jsx(\\"div\\",null);}"`
       )
     })
+
+    it('errors for incorrect mix of functions', () => {
+      expect(() =>
+        babel(trim`
+          export function getStaticProps() {}
+          export function getServerSideProps() {}
+        `)
+      ).toThrowError(
+        `You can not use getStaticProps or getStaticPaths with getServerSideProps. To use SSG, please remove getServerSideProps`
+      )
+
+      expect(() =>
+        babel(trim`
+          export function getServerSideProps() {}
+          export function getStaticProps() {}
+        `)
+      ).toThrowError(
+        `You can not use getStaticProps or getStaticPaths with getServerSideProps. To use SSG, please remove getServerSideProps`
+      )
+
+      expect(() =>
+        babel(trim`
+          export function getStaticPaths() {}
+          export function getServerSideProps() {}
+        `)
+      ).toThrowError(
+        `You can not use getStaticProps or getStaticPaths with getServerSideProps. To use SSG, please remove getServerSideProps`
+      )
+
+      expect(() =>
+        babel(trim`
+          export function getServerSideProps() {}
+          export function getStaticPaths() {}
+        `)
+      ).toThrowError(
+        `You can not use getStaticProps or getStaticPaths with getServerSideProps. To use SSG, please remove getServerSideProps`
+      )
+    })
   })
 })