From dd817d08c0a1715e5aae6ae4614b41b31949e66b Mon Sep 17 00:00:00 2001
From: Claas Augner <caugner@mozilla.com>
Date: Fri, 3 Jan 2025 16:43:51 +0100
Subject: [PATCH] fix(lint): support pages with multiple browser-compat keys

---
 lint/linter/test-mdn-urls.ts | 27 +++++++++++++--------------
 1 file changed, 13 insertions(+), 14 deletions(-)

diff --git a/lint/linter/test-mdn-urls.ts b/lint/linter/test-mdn-urls.ts
index aaa6a752ecbe2d..12aaa42b009735 100644
--- a/lint/linter/test-mdn-urls.ts
+++ b/lint/linter/test-mdn-urls.ts
@@ -29,26 +29,25 @@ const slugByPath = (() => {
       continue;
     }
 
-    const path = item.frontmatter['browser-compat'];
-    if (typeof path !== 'string') {
-      // Ignore pages with multiple keys.
-      continue;
-    }
+    const value = item.frontmatter['browser-compat'];
+    const paths = Array.isArray(value) ? value : [value];
 
     const slug = item.frontmatter.slug;
 
-    const slugTail = slug.split('/').at(-1);
-    const pathTail = path.split('.').at(-1);
+    for (const path of paths) {
+      const slugTail = slug.split('/').at(-1);
+      const pathTail = path.split('.').at(-1);
 
-    if (!slugTail.includes(pathTail) && !pathTail?.includes(slugTail)) {
-      // Ignore unrelated pages/features.
-      continue;
-    }
+      if (!slugTail.includes(pathTail) && !pathTail?.includes(slugTail)) {
+        // Ignore unrelated pages/features.
+        continue;
+      }
 
-    if (!slugsByPath.has(path)) {
-      slugsByPath.set(path, []);
+      if (!slugsByPath.has(path)) {
+        slugsByPath.set(path, []);
+      }
+      slugsByPath.get(path)?.push(item.frontmatter.slug);
     }
-    slugsByPath.get(path)?.push(item.frontmatter.slug);
   }
 
   const slugByPath = new Map<string, string>();