feat: add wishlist

layers/diary/app/utils/highlight.ts

@@ -0,0 +1,19 @@
+interface TextPart {
+  text: string
+  hit: boolean
+}
+
+export function searchTerms(query: string): string[] {
+  return query.trim().toLowerCase().split(/\s+/).filter(Boolean)
+}
+
+export function highlight(text: string, query: string): TextPart[] {
+  const terms = searchTerms(query)
+  if (!terms.length) return [{ text, hit: false }]
+
+  const escaped = terms.map(term => term.replace(/[.*+?^${}()|[\]\\]/g, '\\$&'))
+  return text
+    .split(new RegExp(`(${escaped.join('|')})`, 'gi'))
+    .map((part, index) => ({ text: part, hit: index % 2 === 1 }))
+    .filter(part => part.text)
+}