From 56f128fc039b032fba797da015cccecc8ba5d7b7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Donny/=EA=B0=95=EB=8F=99=EC=9C=A4?= <kdy1997.dev@gmail.com>
Date: Fri, 21 Jun 2024 12:45:53 +0900
Subject: [PATCH] chore: Add a crate `swc_typescript` (#9085)

**Description:**

This crate will be used for TypeScript Isolated Declaration support
---
 Cargo.lock                       |  4 ++++
 Cargo.toml                       |  1 +
 crates/swc_typescript/Cargo.toml | 11 +++++++++++
 crates/swc_typescript/src/lib.rs | 14 ++++++++++++++
 4 files changed, 30 insertions(+)
 create mode 100644 crates/swc_typescript/Cargo.toml
 create mode 100644 crates/swc_typescript/src/lib.rs

diff --git a/Cargo.lock b/Cargo.lock
index 16f9eaaa32b6..ffc3b602f7b6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5296,6 +5296,10 @@ dependencies = [
  "serde_json",
 ]
 
+[[package]]
+name = "swc_typescript"
+version = "0.1.0"
+
 [[package]]
 name = "swc_visit"
 version = "0.5.14"
diff --git a/Cargo.toml b/Cargo.toml
index 8d04c656d4b0..3059dd80dba4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -23,6 +23,7 @@ members = [
   "crates/swc_xml",
   "crates/swc_x_optimizer",
   "crates/swc_transform_common",
+  "crates/swc_typescript",
 ]
 resolver = "2"
 
diff --git a/crates/swc_typescript/Cargo.toml b/crates/swc_typescript/Cargo.toml
new file mode 100644
index 000000000000..8d85cc20ef0b
--- /dev/null
+++ b/crates/swc_typescript/Cargo.toml
@@ -0,0 +1,11 @@
+[package]
+authors              = ["강동윤 <kdy1997.dev@gmail.com>"]
+description          = "Proc macro for performance trace of swc"
+documentation        = "https://rustdoc.swc.rs/swc_trace_macro/"
+edition              = "2021"
+license              = "Apache-2.0"
+name                 = "swc_typescript"
+repository.workspace = true
+version              = "0.1.0"
+
+[dependencies]
diff --git a/crates/swc_typescript/src/lib.rs b/crates/swc_typescript/src/lib.rs
new file mode 100644
index 000000000000..7d12d9af8195
--- /dev/null
+++ b/crates/swc_typescript/src/lib.rs
@@ -0,0 +1,14 @@
+pub fn add(left: usize, right: usize) -> usize {
+    left + right
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn it_works() {
+        let result = add(2, 2);
+        assert_eq!(result, 4);
+    }
+}