From be9432a893dd1662c10ff41c7ab552bcba8f3e1b Mon Sep 17 00:00:00 2001
From: Dax <mail@thdxr.com>
Date: Wed, 15 Apr 2026 10:26:20 -0400
Subject: shared package (#22626)

---
 packages/shared/src/util/binary.ts | 41 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 packages/shared/src/util/binary.ts

(limited to 'packages/shared/src/util/binary.ts')

diff --git a/packages/shared/src/util/binary.ts b/packages/shared/src/util/binary.ts
new file mode 100644
index 000000000..3d8f61851
--- /dev/null
+++ b/packages/shared/src/util/binary.ts
@@ -0,0 +1,41 @@
+export namespace Binary {
+  export function search<T>(array: T[], id: string, compare: (item: T) => string): { found: boolean; index: number } {
+    let left = 0
+    let right = array.length - 1
+
+    while (left <= right) {
+      const mid = Math.floor((left + right) / 2)
+      const midId = compare(array[mid])
+
+      if (midId === id) {
+        return { found: true, index: mid }
+      } else if (midId < id) {
+        left = mid + 1
+      } else {
+        right = mid - 1
+      }
+    }
+
+    return { found: false, index: left }
+  }
+
+  export function insert<T>(array: T[], item: T, compare: (item: T) => string): T[] {
+    const id = compare(item)
+    let left = 0
+    let right = array.length
+
+    while (left < right) {
+      const mid = Math.floor((left + right) / 2)
+      const midId = compare(array[mid])
+
+      if (midId < id) {
+        left = mid + 1
+      } else {
+        right = mid
+      }
+    }
+
+    array.splice(left, 0, item)
+    return array
+  }
+}
-- 
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