From c6d6db3661ec93b9ebb8ca55ff88726f66b3d5e5 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: Wed, 3 Jul 2024 15:55:24 +0900
Subject: [PATCH] test(bindings/ts): Test Wasm binding (#9128)

**Description:**

Now, the build pipeline is running, so I'll look into testing the Wasm binary.
---
 .../scripts/build_nodejs_release.sh           |  4 --
 .../scripts/build_web_release.sh              |  4 --
 .../__tests__/transform.js                    | 40 +++++++++++++++++++
 .../binding_typescript_wasm/scripts/build.sh  |  1 +
 .../binding_typescript_wasm/scripts/test.sh   |  6 +++
 bindings/binding_typescript_wasm/src/lib.rs   |  2 +-
 6 files changed, 48 insertions(+), 9 deletions(-)
 delete mode 100755 bindings/binding_core_wasm/scripts/build_nodejs_release.sh
 delete mode 100755 bindings/binding_core_wasm/scripts/build_web_release.sh
 create mode 100644 bindings/binding_typescript_wasm/__tests__/transform.js
 create mode 100755 bindings/binding_typescript_wasm/scripts/build.sh
 create mode 100755 bindings/binding_typescript_wasm/scripts/test.sh

diff --git a/bindings/binding_core_wasm/scripts/build_nodejs_release.sh b/bindings/binding_core_wasm/scripts/build_nodejs_release.sh
deleted file mode 100755
index 3bb0665c539c..000000000000
--- a/bindings/binding_core_wasm/scripts/build_nodejs_release.sh
+++ /dev/null
@@ -1,4 +0,0 @@
-#!/bin/bash
-
-# run this script from the wasm folder ./scripts/build_nodejs_release.sh
-npx wasm-pack build --scope swc -t nodejs --features plugin
diff --git a/bindings/binding_core_wasm/scripts/build_web_release.sh b/bindings/binding_core_wasm/scripts/build_web_release.sh
deleted file mode 100755
index b57746ecb289..000000000000
--- a/bindings/binding_core_wasm/scripts/build_web_release.sh
+++ /dev/null
@@ -1,4 +0,0 @@
-#!/bin/bash
-
-# run this script from the wasm folder ./scripts/build_web_release.sh
-npx wasm-pack build --scope swc --features plugin
diff --git a/bindings/binding_typescript_wasm/__tests__/transform.js b/bindings/binding_typescript_wasm/__tests__/transform.js
new file mode 100644
index 000000000000..a20de8582026
--- /dev/null
+++ b/bindings/binding_typescript_wasm/__tests__/transform.js
@@ -0,0 +1,40 @@
+const swc = require("../pkg");
+
+it("properly reports error", function () {
+    expect(() => {
+        swc.transformSync("Foo {}", {});
+    }).toThrow();
+});
+
+describe("trannsform", () => {
+    it("should strip types", async () => {
+        const { code } = await swc.transform(
+            `
+        export const foo: number = 1;
+        type Foo = number;
+    `,
+            {}
+        );
+        expect(code).toMatchInlineSnapshot(`
+            "export const foo = 1;
+            "
+        `);
+    });
+
+    it("should preserve enum", async () => {
+        const { code } = await swc.transform(
+            `
+            enum Foo {
+                Bar
+            }
+                `,
+            {}
+        );
+        await expect(code).toMatchInlineSnapshot(`
+            "enum Foo {
+                Bar
+            }
+            "
+        `);
+    });
+});
diff --git a/bindings/binding_typescript_wasm/scripts/build.sh b/bindings/binding_typescript_wasm/scripts/build.sh
new file mode 100755
index 000000000000..84e9df918c60
--- /dev/null
+++ b/bindings/binding_typescript_wasm/scripts/build.sh
@@ -0,0 +1 @@
+wasm-pack build --debug --scope swc -t nodejs --features getrandom/js $@
diff --git a/bindings/binding_typescript_wasm/scripts/test.sh b/bindings/binding_typescript_wasm/scripts/test.sh
new file mode 100755
index 000000000000..38d3522d0252
--- /dev/null
+++ b/bindings/binding_typescript_wasm/scripts/test.sh
@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+
+set -eu
+
+./scripts/build.sh
+npx jest $@
\ No newline at end of file
diff --git a/bindings/binding_typescript_wasm/src/lib.rs b/bindings/binding_typescript_wasm/src/lib.rs
index 21fb9bcd4115..f580a9e44451 100644
--- a/bindings/binding_typescript_wasm/src/lib.rs
+++ b/bindings/binding_typescript_wasm/src/lib.rs
@@ -72,7 +72,7 @@ pub fn transform(input: JsString, options: JsValue) -> Promise {
     future_to_promise(async move { transform_sync(input, options) })
 }
 
-#[wasm_bindgen]
+#[wasm_bindgen(js_name = "transformSync")]
 pub fn transform_sync(input: JsString, options: JsValue) -> Result<JsValue, JsValue> {
     let options: Options = serde_wasm_bindgen::from_value(options)?;