From 25ecb1cb75b7b5b584ad223e12d74c3e3ee7da89 Mon Sep 17 00:00:00 2001
From: Joris
Date: Sun, 12 Feb 2023 13:05:25 +0100
Subject: Add textual search on title, subtitle and authors

---
 src/lib/search.ts | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 src/lib/search.ts

(limited to 'src/lib/search.ts')

diff --git a/src/lib/search.ts b/src/lib/search.ts
new file mode 100644
index 0000000..026cb94
--- /dev/null
+++ b/src/lib/search.ts
@@ -0,0 +1,17 @@
+export function match(search: string, ...targets: Array<string | undefined>): boolean {
+  const formattedTargets = targets
+    .filter(t => t !== undefined)
+    .map(format)
+
+  return search.split(/\s+/).every(subSearch =>
+    formattedTargets.some(target => target.includes(format(subSearch)))
+  )
+}
+
+export function format(str: string): string {
+  return unaccent(str.toLowerCase())
+}
+
+function unaccent(str: string): string {
+  return str.normalize("NFD").replace(/[\u0300-\u036f]/g, "")
+}
-- 
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