feat(es): Integrate experimental data API (#9027)

Author: kdy1

Cargo.lock

@@ -106,6 +106,7 @@ swc_node_comments = { version = "0.20.20", path = "../swc_node_comments" }
 swc_plugin_proxy = { version = "0.42.1", path = "../swc_plugin_proxy", optional = true }
 swc_plugin_runner = { version = "0.107.1", path = "../swc_plugin_runner", optional = true, default-features = false }
 swc_timer = { version = "0.21.22", path = "../swc_timer" }
+swc_transform_common = { version = "0.1.1", path = "../swc_transform_common" }
 swc_visit = { version = "0.5.14", path = "../swc_visit" }
 
   [dependencies.tokio]

crates/swc/Cargo.toml

@@ -915,6 +915,7 @@ impl Compiler {
                         .with_emit_assert_for_import_attributes(
                             opts.format.emit_assert_for_import_attributes,
                         ),
+                    output: None,
                 },
             )
         })
@@ -966,10 +967,12 @@ impl Compiler {
             };
 
             let mut pass = config.pass;
-            let program = helpers::HELPERS.set(&Helpers::new(config.external_helpers), || {
-                HANDLER.set(handler, || {
-                    // Fold module
-                    program.fold_with(&mut pass)
+            let (program, output) = swc_transform_common::output::capture(|| {
+                helpers::HELPERS.set(&Helpers::new(config.external_helpers), || {
+                    HANDLER.set(handler, || {
+                        // Fold module
+                        program.fold_with(&mut pass)
+                    })
                 })
             });
 
@@ -1003,6 +1006,7 @@ impl Compiler {
                         .with_emit_assert_for_import_attributes(
                             config.emit_assert_for_import_attributes,
                         ),
+                    output: Some(output),
                 },
             )
         })

crates/swc/src/lib.rs

@@ -757,15 +757,14 @@ fn should_visit() {
                     output_path: config.output_path,
                     inline_sources_content: config.inline_sources_content,
                     source_map: config.source_maps,
-                    source_map_names: &Default::default(),
                     orig: None,
                     // TODO: figure out sourcemaps
                     comments: Some(&comments),
                     emit_source_map_columns: config.emit_source_map_columns,
-                    preamble: Default::default(),
                     codegen_config: swc_ecma_codegen::Config::default()
                         .with_target(config.target)
                         .with_minify(config.minify),
+                    ..Default::default()
                 },
             )
             .unwrap()

crates/swc/tests/projects.rs

@@ -13,12 +13,14 @@ version       = "0.10.0"
 node = ["napi", "napi-derive"]
 
 [dependencies]
-anyhow    = { workspace = true }
-base64    = { workspace = true }
-once_cell = { workspace = true }
-pathdiff  = { workspace = true }
-serde     = { workspace = true, features = ["derive"] }
-sourcemap = { workspace = true }
+anyhow     = { workspace = true }
+base64     = { workspace = true }
+once_cell  = { workspace = true }
+pathdiff   = { workspace = true }
+rustc-hash = { workspace = true }
+serde      = { workspace = true, features = ["derive"] }
+serde_json = { workspace = true }
+sourcemap  = { workspace = true }
 
 swc_atoms = { version = "0.6.5", path = "../swc_atoms" }
 swc_common = { version = "0.33.26", path = "../swc_common", features = [

crates/swc_compiler_base/Cargo.toml

@@ -6,6 +6,8 @@ use std::{
 use anyhow::{Context, Error};
 use base64::prelude::{Engine, BASE64_STANDARD};
 use once_cell::sync::Lazy;
+use rustc_hash::FxHashMap;
+#[allow(unused)]
 use serde::{Deserialize, Serialize};
 use swc_atoms::JsWord;
 use swc_common::{
@@ -32,6 +34,9 @@ pub struct TransformOutput {
     pub code: String,
     #[serde(skip_serializing_if = "Option::is_none")]
     pub map: Option<String>,
+
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub output: Option<String>,
 }
 
 #[cfg(not(feature = "node"))]
@@ -40,6 +45,9 @@ pub struct TransformOutput {
     pub code: String,
     #[serde(skip_serializing_if = "Option::is_none")]
     pub map: Option<String>,
+
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub output: Option<String>,
 }
 
 /// This method parses a javascript / typescript file
@@ -106,6 +114,7 @@ pub struct PrintArgs<'a> {
     pub emit_source_map_columns: bool,
     pub preamble: &'a str,
     pub codegen_config: swc_ecma_codegen::Config,
+    pub output: Option<FxHashMap<String, serde_json::Value>>,
 }
 
 impl Default for PrintArgs<'_> {
@@ -124,6 +133,7 @@ impl Default for PrintArgs<'_> {
             emit_source_map_columns: false,
             preamble: "",
             codegen_config: Default::default(),
+            output: None,
         }
     }
 }
@@ -153,6 +163,7 @@ pub fn print<T>(
         emit_source_map_columns,
         preamble,
         codegen_config,
+        output,
     }: PrintArgs,
 ) -> Result<TransformOutput, Error>
 where
@@ -256,7 +267,11 @@ where
         }
     };
 
-    Ok(TransformOutput { code, map })
+    Ok(TransformOutput {
+        code,
+        map,
+        output: Some(serde_json::to_string(&output).context("failed to serilaize output")?),
+    })
 }
 
 struct SwcSourceMapConfig<'a> {

crates/swc_compiler_base/src/lib.rs

@@ -8,13 +8,13 @@ use better_scoped_tls::scoped_tls;
 use rustc_hash::FxHashMap;
 use serde_json::Value;
 
-scoped_tls!(static OUTPUT: RefCell<FxHashMap<String, Value>>);
+scoped_tls!(static OUTPUT: RefCell<FxHashMap<String, serde_json::Value>>);
 
 /// (Experimental) Captures output.
 ///
 /// This is not stable and may be removed in the future.
-pub fn capture<Ret>(f: impl FnOnce() -> Ret) -> (Ret, FxHashMap<String, Value>) {
-    let output = RefCell::new(FxHashMap::default());
+pub fn capture<Ret>(f: impl FnOnce() -> Ret) -> (Ret, FxHashMap<String, serde_json::Value>) {
+    let output = RefCell::new(Default::default());
 
     let ret = OUTPUT.set(&output, f);