Remove toLowerCase functions in MDN comments (microsoft#2224)

Author: Bashamega

scripts/fetch-mdn.js

@@ -14,10 +14,10 @@ const data = await res.json();
 // Filter and map the data
 const filtered = Object.values(data)
   .filter((entry) => {
-    const path = entry.mdn_url.toLowerCase();
+    const path = entry.mdn_url;
     return (
-      path.startsWith("/en-us/docs/web/api/") ||
-      path.startsWith("/en-us/docs/webassembly/reference/javascript_interface/")
+      path.startsWith("/en-US/docs/Web/API/") ||
+      path.startsWith("/en-US/docs/WebAssembly/Reference/JavaScript_interface/")
     );
   })
   .map(({ mdn_url, pageType, summary }) => ({

src/build/mdn-comments.ts

@@ -4,8 +4,8 @@ const inputFile = new URL("../../inputfiles/mdn.json", import.meta.url);
 
 // Valid subdirectories for our use case
 const subdirectories = [
-  "web/api/",
-  "webassembly/reference/javascript_interface/",
+  "Web/API/",
+  "WebAssembly/Reference/JavaScript_interface/",
 ];
 
 const paths: Record<string, string[]> = {
@@ -24,7 +24,7 @@ const paths: Record<string, string[]> = {
 
 function extractSlug(mdnUrl: string): string[] {
   for (const subdirectory of subdirectories) {
-    if (!mdnUrl.toLowerCase().startsWith(subdirectory)) {
+    if (!mdnUrl.startsWith(subdirectory)) {
       continue;
     }
     return mdnUrl