refactor(bindings/wasm): deprecate jsvalue::*_serde

.github/workflows/CI.yml

@@ -641,6 +641,7 @@ jobs:
       - name: Run cargo test (core)
         if: matrix.settings.crate == 'swc_core'
         run: |
+          rustup target add wasm32-unknown-unknown
           cargo test -p swc_core --features ecma_quote --features common --features ecma_utils
 
       - name: Run cargo test (binding_core_wasm)

bindings/binding_core_wasm/Cargo.toml

@@ -31,7 +31,6 @@ swc_core = { version = "0.43.15", features = [
 ] }
 tracing = { version = "0.1.37", features = ["max_level_off"] }
 wasm-bindgen = { version = "0.2.82", features = [
-  "serde-serialize",
   "enable-interning",
 ] }
 

bindings/binding_core_wasm/src/lib.rs

@@ -1,4 +1,6 @@
 use anyhow::Error;
+use serde::Serialize;
+use serde_wasm_bindgen::Serializer;
 use swc_core::{
     base::HandlerOpts,
     binding_macros::wasm::{
@@ -21,6 +23,12 @@ use swc_core::{
 use wasm_bindgen::{prelude::*, JsCast};
 mod types;
 
+// A serializer with options to provide backward compat for the input / output
+// from the bindgen generated swc interfaces.
+const COMPAT_SERIALIZER: Serializer = Serializer::new()
+    .serialize_maps_as_objects(true)
+    .serialize_missing_as_null(true);
+
 /// Custom interface definitions for the @swc/wasm's public interface instead of
 /// auto generated one, which is not reflecting most of types in detail.
 #[wasm_bindgen(typescript_custom_section)]
@@ -81,12 +89,16 @@ pub fn minify_sync(s: JsString, opts: JsValue) -> Result<JsValue, JsValue> {
             let opts = if opts.is_null() || opts.is_undefined() {
                 Default::default()
             } else {
-                anyhow::Context::context(opts.into_serde(), "failed to parse options")?
+                serde_wasm_bindgen::from_value(opts)
+                    .map_err(|e| anyhow::anyhow!("failed to parse options: {}", e))?
             };
             let fm = c.cm.new_source_file(FileName::Anon, s.into());
             let program =
                 anyhow::Context::context(c.minify(fm, handler, &opts), "failed to minify file")?;
-            anyhow::Context::context(JsValue::from_serde(&program), "failed to serialize json")
+
+            program
+                .serialize(&COMPAT_SERIALIZER)
+                .map_err(|e| anyhow::anyhow!("failed to serialize program: {}", e))
         })
     })
     .map_err(|e| convert_err(e, None))
@@ -106,7 +118,8 @@ pub fn parse_sync(s: JsString, opts: JsValue) -> Result<JsValue, JsValue> {
                 let opts: ParseOptions = if opts.is_null() || opts.is_undefined() {
                     Default::default()
                 } else {
-                    anyhow::Context::context(opts.into_serde(), "failed to parse options")?
+                    serde_wasm_bindgen::from_value(opts)
+                        .map_err(|e| anyhow::anyhow!("failed to parse options: {}", e))?
                 };
                 let fm = c.cm.new_source_file(FileName::Anon, s.into());
                 let cmts = c.comments().clone();
@@ -133,7 +146,9 @@ pub fn parse_sync(s: JsString, opts: JsValue) -> Result<JsValue, JsValue> {
                     opts.syntax.typescript(),
                 ));
 
-                anyhow::Context::context(JsValue::from_serde(&program), "failed to serialize json")
+                program
+                    .serialize(&COMPAT_SERIALIZER)
+                    .map_err(|e| anyhow::anyhow!("failed to serialize program: {}", e))
             })
         })
     })
@@ -160,9 +175,9 @@ pub fn transform_sync(
     let opts: Options = if opts.is_null() || opts.is_undefined() {
         Default::default()
     } else {
-        anyhow::Context::context(opts.into_serde(), "failed to parse options")
-            .map_err(|e| convert_err(e, None))?
+        serde_wasm_bindgen::from_value(opts)?
     };
+
     let error_format = opts.experimental.error_format.unwrap_or_default();
     try_with_handler(c.cm.clone(), Default::default(), |handler| {
         c.run(|| {
@@ -193,9 +208,13 @@ pub fn transform_sync(
                         "failed to process js file",
                     )?
                 }
-                Err(v) => unsafe { c.process_js(handler, v.into_serde().expect(""), &opts)? },
+                Err(v) => {
+                    c.process_js(handler, serde_wasm_bindgen::from_value(v).expect("Should able to deserialize into program"), &opts)?
+                }
             };
-            anyhow::Context::context(JsValue::from_serde(&out), "failed to serialize json")
+
+            out.serialize(&COMPAT_SERIALIZER)
+                .map_err(|e| anyhow::anyhow!("failed to serialize transform result: {}", e))
         })
     })
     .map_err(|e| convert_err(e, Some(error_format)))
@@ -218,10 +237,13 @@ pub fn print_sync(s: JsValue, opts: JsValue) -> Result<JsValue, JsValue> {
             let opts: Options = if opts.is_null() || opts.is_undefined() {
                 Default::default()
             } else {
-                anyhow::Context::context(opts.into_serde(), "failed to parse options")?
+                serde_wasm_bindgen::from_value(opts)
+                    .map_err(|e| anyhow::anyhow!("failed to parse options: {}", e))?
             };
-            let program: Program =
-                anyhow::Context::context(s.into_serde(), "failed to deserialize program")?;
+
+            let program: Program = serde_wasm_bindgen::from_value(s)
+                .map_err(|e| anyhow::anyhow!("failed to deserialize program: {}", e))?;
+
             let s = anyhow::Context::context(
                 c.print(
                     &program,
@@ -241,7 +263,9 @@ pub fn print_sync(s: JsValue, opts: JsValue) -> Result<JsValue, JsValue> {
                 ),
                 "failed to print code",
             )?;
-            anyhow::Context::context(JsValue::from_serde(&s), "failed to serialize json")
+
+            serde_wasm_bindgen::to_value(&s)
+                .map_err(|e| anyhow::anyhow!("failed to serialize json: {}", e))
         })
     })
     .map_err(|e| convert_err(e, None))

crates/binding_macros/Cargo.toml

@@ -18,12 +18,15 @@ binding_wasm = [
   "swc_common",
   "swc_ecma_transforms",
   "swc_ecma_ast",
+  "swc_ecma_visit",
 
   # Optional packages
   "once_cell",
   "wasm-bindgen",
   "wasm-bindgen-futures",
   "js-sys",
+  "serde",
+  "serde-wasm-bindgen",
   "anyhow",
   "console_error_panic_hook",
 ]
@@ -34,14 +37,16 @@ swc                 = { optional = true, version = "0.232.99", path = "../swc" }
 swc_common          = { optional = true, version = "0.29.14", path = "../swc_common" }
 swc_ecma_ast        = { optional = true, version = "0.94.19", path = "../swc_ecma_ast" }
 swc_ecma_transforms = { optional = true, version = "0.198.52", path = "../swc_ecma_transforms" }
+swc_ecma_visit      = { optional = true, version = "0.80.19", path = "../swc_ecma_visit" }
 
 # Optional deps for the wasm binding macro
 anyhow = { optional = true, version = "1.0.58" }
 console_error_panic_hook = { optional = true, version = "0.1.7" }
 js-sys = { optional = true, version = "0.3.59" }
 once_cell = { optional = true, version = "1.13.0" }
+serde = { optional = true, version = "1", features = ["derive"] }
+serde-wasm-bindgen = { optional = true, version = "0.4.5" }
 wasm-bindgen = { optional = true, version = "0.2.82", features = [
-  "serde-serialize",
   "enable-interning",
 ] }
 wasm-bindgen-futures = { optional = true, version = "0.4.32" }