Potential fix for pull request finding

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

Author: nonprofittechy

.githooks/pre-commit

@@ -2,10 +2,14 @@
 
 set -eu
 
-files=$(git diff --cached --name-only --diff-filter=ACMR -- '*.js')
-if [ -n "$files" ]; then
-  npx --no-install prettier --write $files
-  printf '%s\n' "$files" | xargs git add --
+tmp=$(mktemp)
+git diff --cached --name-only --diff-filter=ACMR -- '*.js' > "$tmp"
+if [ -s "$tmp" ]; then
+  while IFS= read -r file; do
+    npx --no-install prettier --write "$file"
+    git add -- "$file"
+  done < "$tmp"
 fi
+rm -f "$tmp"
 
 npm run check