From c2abc3bb64b98101392bdbc08a6dab79b60cb538 Mon Sep 17 00:00:00 2001
From: Shubhankarsingh124 <31387840+shubhankar-mern@users.noreply.github.com>
Date: Sat, 7 Oct 2023 16:02:27 +0000
Subject: [PATCH 1/2] feat: Throw exception on version mismatch

---
 packages/docusaurus/src/server/siteMetadata.ts | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/packages/docusaurus/src/server/siteMetadata.ts b/packages/docusaurus/src/server/siteMetadata.ts
index affcbf7183ec..96787c5f43bd 100644
--- a/packages/docusaurus/src/server/siteMetadata.ts
+++ b/packages/docusaurus/src/server/siteMetadata.ts
@@ -74,6 +74,7 @@ export async function getPluginVersion(
  */
 function checkDocusaurusPackagesVersion(siteMetadata: SiteMetadata) {
   const {docusaurusVersion} = siteMetadata;
+  let mismatchDetected: boolean = false;
   Object.entries(siteMetadata.pluginVersions).forEach(
     ([plugin, versionInfo]) => {
       if (
@@ -82,6 +83,8 @@ function checkDocusaurusPackagesVersion(siteMetadata: SiteMetadata) {
         versionInfo.version &&
         versionInfo.version !== docusaurusVersion
       ) {
+        // change mismatched to true
+        mismatchDetected = true;
         // Should we throw instead? It still could work with different versions
         logger.error`Invalid name=${plugin} version number=${versionInfo.version}.
 All official @docusaurus/* packages should have the exact same version as @docusaurus/core (number=${docusaurusVersion}).
@@ -89,6 +92,12 @@ Maybe you want to check, or regenerate your yarn.lock or package-lock.json file?
       }
     },
   );
+  if (mismatchDetected) {
+    // Throw an exception or exit with a non-zero exit code.
+    throw new Error('Docusaurus plugin versions mismatch detected.');
+    // We can exit the process with a non-zero code:
+    // process.exit(1);
+  }
 }
 
 export async function loadSiteMetadata({

From 3ff466206d1b2b92c205eb48dd87b25775ed0509 Mon Sep 17 00:00:00 2001
From: Shubhankarsingh124 <31387840+shubhankar-mern@users.noreply.github.com>
Date: Sat, 7 Oct 2023 16:18:01 +0000
Subject: [PATCH 2/2] eaft added the test cases for version mismatch

---
 packages/docusaurus/src/server/__tests__/siteMetadata.test.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/docusaurus/src/server/__tests__/siteMetadata.test.ts b/packages/docusaurus/src/server/__tests__/siteMetadata.test.ts
index 3985173a03b8..4b1271c76757 100644
--- a/packages/docusaurus/src/server/__tests__/siteMetadata.test.ts
+++ b/packages/docusaurus/src/server/__tests__/siteMetadata.test.ts
@@ -55,7 +55,7 @@ describe('loadSiteMetadata', () => {
         ] as LoadedPlugin[],
         siteDir: path.join(__dirname, '__fixtures__/siteMetadata'),
       }),
-    ).resolves.toMatchSnapshot();
+    ).rejects.toThrow('Docusaurus plugin versions mismatch detected.');
     expect(consoleMock.mock.calls[0]![0]).toMatchInlineSnapshot(`
       "[ERROR] Invalid docusaurus-plugin-content-docs version 1.0.0.
       All official @docusaurus/* packages should have the exact same version as @docusaurus/core (<CURRENT_VERSION>).