From 6b9fe6071fc776e6b0d8a18d1c3ccd4643976b29 Mon Sep 17 00:00:00 2001
From: "exercism-solutions-syncer[bot]"
 <211797793+exercism-solutions-syncer[bot]@users.noreply.github.com>
Date: Tue, 19 May 2026 00:34:54 +0000
Subject: [PATCH] [Sync Iteration] typescript/line-up/1

---
 solutions/typescript/line-up/1/line-up.ts | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 solutions/typescript/line-up/1/line-up.ts

diff --git a/solutions/typescript/line-up/1/line-up.ts b/solutions/typescript/line-up/1/line-up.ts
new file mode 100644
index 0000000..23ae42e
--- /dev/null
+++ b/solutions/typescript/line-up/1/line-up.ts
@@ -0,0 +1,16 @@
+export function format(name: string, number: number): string {
+	let ending = "th";
+	let numberStr = String(number);
+	const modOne = number % 10 === 1;
+	const modTwo = number % 10 === 2;
+	const modThree = number % 10 === 3;
+	if (
+		(modOne || modTwo || modThree) &&
+		numberStr[numberStr.length - 2] !== "1"
+	) {
+		if (modOne) ending = "st";
+		else if (modTwo) ending = "nd";
+		else ending = "rd";
+	}
+	return `${name}, you are the ${number}${ending} customer we serve today. Thank you!`;
+}