Util

1// Shared scanner + sanitizer helpers. Keep tiny — add only when duplicated 3+ times.
2
3// 1-based line number of `idx` in a multi-line string.
4export function lineOf(text, idx) {
5  return text.slice(0, idx).split('\n').length;
6}
7
8export function escapeRegex(s) {
9  return s.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
10}
11
12// `slow_route:/api/products` → `/api/products`.
13export function extractRoute(rec) {
14  if (typeof rec?.candidateRef !== 'string') return null;
15  const m = rec.candidateRef.match(/^[^:]+:(.+)$/);
16  return m ? m[1] : null;
17}