fix(es/typescript): Fix typings (#9301)

.github/workflows/CI.yml

@@ -148,7 +148,7 @@ jobs:
         run: |
           echo '[patch.crates-io]' >> bindings/Cargo.toml
           ./scripts/cargo/patch-section.sh >> bindings/Cargo.toml
-          cd bindings && cargo update -p swc_core
+          cd bindings && cargo update -p swc_core -p swc_fast_ts_strip
 
       - name: Install wasm-pack
         run: curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh
@@ -367,7 +367,7 @@ jobs:
           echo '[patch.crates-io]' >> bindings/Cargo.toml
           ./scripts/cargo/patch-section.sh
           ./scripts/cargo/patch-section.sh >> bindings/Cargo.toml
-          cd bindings && cargo update -p swc_core
+          cd bindings && cargo update -p swc_core -p swc_fast_ts_strip
 
       - name: Set platform name
         run: |
@@ -424,7 +424,7 @@ jobs:
         run: |
           echo '[patch.crates-io]' >> bindings/Cargo.toml
           ./scripts/cargo/patch-section.sh >> bindings/Cargo.toml
-          cd bindings && cargo update -p swc_core
+          cd bindings && cargo update -p swc_core -p swc_fast_ts_strip
 
       - name: Prepare
         run: |

Cargo.lock

@@ -5019,6 +5019,7 @@ dependencies = [
  "swc_ecma_transforms_typescript",
  "swc_ecma_visit",
  "testing",
+ "wasm-bindgen",
 ]
 
 [[package]]

bindings/Cargo.toml

@@ -35,7 +35,7 @@ resolver = "2"
   tracing-chrome       = "0.5.0"
   tracing-futures      = "0.2.5"
   tracing-subscriber   = "0.3.9"
-  wasm-bindgen         = "0.2.82"
+  wasm-bindgen         = "0.2.91"
   wasm-bindgen-futures = "0.4.41"
 
 [profile.release]

bindings/binding_typescript_wasm/Cargo.toml

@@ -22,7 +22,7 @@ serde-wasm-bindgen   = { workspace = true }
 serde_json           = { workspace = true }
 swc_common           = { workspace = true }
 swc_error_reporters  = { workspace = true }
-swc_fast_ts_strip    = { workspace = true }
+swc_fast_ts_strip    = { workspace = true, features = ["wasm-bindgen"] }
 tracing              = { workspace = true, features = ["max_level_off"] }
 wasm-bindgen         = { workspace = true, features = ["enable-interning"] }
 wasm-bindgen-futures = { workspace = true }

bindings/binding_typescript_wasm/src/lib.rs

@@ -16,14 +16,18 @@ export function transform(src: string, opts?: Options): Promise<TransformOutput>
 export function transformSync(src: string, opts?: Options): TransformOutput;
 "#;
 
-#[wasm_bindgen]
+#[wasm_bindgen(skip_typescript)]
 pub fn transform(input: JsString, options: JsValue) -> Promise {
     future_to_promise(async move { transform_sync(input, options) })
 }
 
-#[wasm_bindgen(js_name = "transformSync")]
+#[wasm_bindgen(js_name = "transformSync", skip_typescript)]
 pub fn transform_sync(input: JsString, options: JsValue) -> Result<JsValue, JsValue> {
-    let options: Options = serde_wasm_bindgen::from_value(options)?;
+    let options: Options = if options.is_falsy() {
+        Default::default()
+    } else {
+        serde_wasm_bindgen::from_value(options)?
+    };
 
     let input = input.as_string().unwrap();
 

crates/swc_fast_ts_strip/Cargo.toml

@@ -11,8 +11,10 @@ version       = "0.4.1"
 
 
 [dependencies]
-anyhow        = { workspace = true }
-serde         = { workspace = true, features = ["derive"] }
+anyhow       = { workspace = true }
+serde        = { workspace = true, features = ["derive"] }
+wasm-bindgen = { workspace = true, optional = true }
+
 swc_allocator = { version = "0.1.7", path = "../swc_allocator", default-features = false }
 
 swc_common = { version = "0.36.0", path = "../swc_common", features = [

crates/swc_fast_ts_strip/src/lib.rs

@@ -31,6 +31,8 @@ use swc_ecma_transforms_base::{
 };
 use swc_ecma_transforms_typescript::typescript;
 use swc_ecma_visit::{Visit, VisitMutWith, VisitWith};
+#[cfg(feature = "wasm-bindgen")]
+use wasm_bindgen::prelude::*;
 
 #[derive(Default, Deserialize)]
 #[serde(rename_all = "camelCase")]
@@ -53,6 +55,17 @@ pub struct Options {
     pub source_map: bool,
 }
 
+#[cfg(feature = "wasm-bindgen")]
+#[wasm_bindgen(typescript_custom_section)]
+const Type_Options: &'static str = r#"
+interface Options {
+    module?: boolean;
+    filename?: string;
+    mode?: Mode;
+    sourceMap?: boolean;
+}
+"#;
+
 #[derive(Debug, Default, Deserialize)]
 #[serde(rename_all = "kebab-case")]
 pub enum Mode {
@@ -61,6 +74,12 @@ pub enum Mode {
     Transform,
 }
 
+#[cfg(feature = "wasm-bindgen")]
+#[wasm_bindgen(typescript_custom_section)]
+const Type_Mode: &'static str = r#"
+type Mode = "strip-only" | "transform";
+"#;
+
 fn default_ts_syntax() -> TsSyntax {
     TsSyntax {
         decorators: true,
@@ -74,6 +93,15 @@ pub struct TransformOutput {
     pub map: Option<String>,
 }
 
+#[cfg(feature = "wasm-bindgen")]
+#[wasm_bindgen(typescript_custom_section)]
+const Type_TransformOutput: &'static str = r#"
+interface TransformOutput {
+    code: string;
+    map?: string;
+}
+"#;
+
 pub fn operate(
     cm: &Lrc<SourceMap>,
     handler: &Handler,