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/functions.ts |  7 +++++++
 src/lib/i18n.ts      |  9 +++++++++
 src/lib/rx.ts        |  9 ++++++---
 src/lib/search.ts    | 17 +++++++++++++++++
 4 files changed, 39 insertions(+), 3 deletions(-)
 create mode 100644 src/lib/functions.ts
 create mode 100644 src/lib/i18n.ts
 create mode 100644 src/lib/search.ts

(limited to 'src/lib')

diff --git a/src/lib/functions.ts b/src/lib/functions.ts
new file mode 100644
index 0000000..0ec9f00
--- /dev/null
+++ b/src/lib/functions.ts
@@ -0,0 +1,7 @@
+export function debounce(func: Function, timeout: number) {
+  let timer: any
+  return (...args: any) => {
+    clearTimeout(timer)
+    timer = setTimeout(() => { func.apply(this, args) }, timeout)
+  }
+}
diff --git a/src/lib/i18n.ts b/src/lib/i18n.ts
new file mode 100644
index 0000000..cd5b3de
--- /dev/null
+++ b/src/lib/i18n.ts
@@ -0,0 +1,9 @@
+export function unit(n: number, singular: string, plural: string, f: (n: number, unit: string) => string = format): string {
+  return n > 1
+    ? f(n, plural)
+    : f(n, singular)
+}
+
+function format(n: number, unit: string): string {
+  return `${n} ${unit}`
+}
diff --git a/src/lib/rx.ts b/src/lib/rx.ts
index dbdd3ad..1b41c27 100644
--- a/src/lib/rx.ts
+++ b/src/lib/rx.ts
@@ -328,8 +328,8 @@ function appendChild(state: State, element: Element, child: Child, lastAdded?: N
       lastAdded: appendRes.lastAdded
     }
   } else if (isRx(child)) {
-    const rxBase = document.createTextNode("")
-    element.append(rxBase)
+    const rxBase = document.createTextNode('')
+    appendNode(element, rxBase, lastAdded)
     let appendRes: AppendResult = {
       cancel: voidCancel,
       remove: voidRemove,
@@ -345,7 +345,10 @@ function appendChild(state: State, element: Element, child: Child, lastAdded?: N
         appendRes.cancel()
         cancelRx()
       },
-      remove: appendRes.remove,
+      remove: () => {
+        appendRes.remove()
+        element.removeChild(rxBase)
+      },
       lastAdded: appendRes.lastAdded,
     }
   } else if (child === undefined || child === false) {
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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