Add textual search on title, subtitle and authors

1 files changed, 17 insertions, 0 deletions

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, "")
+}