fix(blog): ignore hidden code blocks when calculating read time (#9302)

mdn · Jul 14, 2023 · 9f237bd · 9f237bd
1 parent 8cc92f1
commit 9f237bd
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/build/blog.ts b/build/blog.ts
@@ -40,12 +40,16 @@ import { DEFAULT_LOCALE } from "../libs/constants/index.js";
 import { memoize } from "../content/utils.js";
 
 const READ_TIME_FILTER = /[\w<>.,!?]+/;
+const HIDDEN_CODE_BLOCK_MATCH = /```.*hidden[\s\S]*?```/g;
 
 function calculateReadTime(copy: string): number {
   return Math.max(
     1,
     Math.round(
-      copy.split(/\s+/).filter((w) => READ_TIME_FILTER.test(w)).length / 220
+      copy
+        .replace(HIDDEN_CODE_BLOCK_MATCH, "")
+        .split(/\s+/)
+        .filter((w) => READ_TIME_FILTER.test(w)).length / 220
     )
   );
 }