chore: format curriculum (#37912)

tools/scripts/formatter/md-to-mdx/validate-hints.js

@@ -0,0 +1,19 @@
+const readDirP = require('readdirp-walk');
+const { getText } = require('./transform-to-mdx');
+const { validateHints } = require('./create-mdx');
+
+const challengeDir = '../../../../curriculum/challenges/english';
+
+readDirP({
+  root: challengeDir,
+  fileFilter: ['*.md']
+}).on('data', file => {
+  if (file.stat.isFile()) {
+    getText(file.fullPath)
+      .then(validateHints)
+      .catch(() => {
+        console.log('invalid hint in');
+        console.log(file.path);
+      });
+  }
+});