fix(cli): better handling of source maps (#11954)

Ref: #11874

cli/ast/bundle_hook.rs

@@ -14,18 +14,12 @@ impl Hook for BundleHook {
   ) -> Result<Vec<deno_ast::swc::ast::KeyValueProp>, AnyError> {
     use deno_ast::swc::ast;
 
-    // we use custom file names, and swc "wraps" these in `<` and `>` so, we
-    // want to strip those back out.
-    let mut value = module_record.file_name.to_string();
-    value.pop();
-    value.remove(0);
-
     Ok(vec![
       ast::KeyValueProp {
         key: ast::PropName::Ident(ast::Ident::new("url".into(), span)),
         value: Box::new(ast::Expr::Lit(ast::Lit::Str(ast::Str {
           span,
-          value: value.into(),
+          value: module_record.file_name.to_string().into(),
           kind: ast::StrKind::Synthesized,
           has_escape: false,
         }))),

cli/ast/mod.rs

@@ -74,6 +74,7 @@ impl From<deno_ast::swc::common::Loc> for Location {
     let filename = match &swc_loc.file.name {
       Real(path_buf) => path_buf.to_string_lossy().to_string(),
       Custom(str_) => str_.to_string(),
+      Url(url) => url.to_string(),
       _ => panic!("invalid filename"),
     };
 
@@ -117,6 +118,8 @@ pub struct EmitOptions {
   /// Should the source map be inlined in the emitted code file, or provided
   /// as a separate file.  Defaults to `true`.
   pub inline_source_map: bool,
+  /// Should the sources be inlined in the source map.  Defaults to `true`.
+  pub inline_sources: bool,
   // Should a corresponding .map file be created for the output. This should be
   // false if inline_source_map is true. Defaults to `false`.
   pub source_map: bool,
@@ -139,6 +142,7 @@ impl Default for EmitOptions {
       emit_metadata: false,
       imports_not_used_as_values: ImportsNotUsedAsValues::Remove,
       inline_source_map: true,
+      inline_sources: true,
       source_map: false,
       jsx_factory: "React.createElement".into(),
       jsx_fragment_factory: "React.Fragment".into(),
@@ -162,6 +166,7 @@ impl From<config_file::TsConfig> for EmitOptions {
       emit_metadata: options.emit_decorator_metadata,
       imports_not_used_as_values,
       inline_source_map: options.inline_source_map,
+      inline_sources: options.inline_sources,
       source_map: options.source_map,
       jsx_factory: options.jsx_factory,
       jsx_fragment_factory: options.jsx_fragment_factory,
@@ -204,7 +209,8 @@ pub fn transpile(
 ) -> Result<(String, Option<String>), AnyError> {
   let program: Program = (*parsed_source.program()).clone();
   let source_map = Rc::new(SourceMap::default());
-  let file_name = FileName::Custom(parsed_source.specifier().to_string());
+  let specifier = resolve_url_or_path(parsed_source.specifier())?;
+  let file_name = FileName::Url(specifier);
   source_map
     .new_source_file(file_name, parsed_source.source().text().to_string());
   let comments = parsed_source.comments().as_single_threaded(); // needs to be mutable
@@ -284,7 +290,7 @@ pub fn transpile(
 /// A low level function which transpiles a source module into an swc
 /// SourceFile.
 pub fn transpile_module(
-  specifier: &str,
+  specifier: &ModuleSpecifier,
   source: &str,
   media_type: MediaType,
   emit_options: &EmitOptions,
@@ -292,10 +298,8 @@ pub fn transpile_module(
   cm: Rc<SourceMap>,
 ) -> Result<(Rc<deno_ast::swc::common::SourceFile>, Module), AnyError> {
   let source = strip_bom(source);
-  let source_file = cm.new_source_file(
-    FileName::Custom(specifier.to_string()),
-    source.to_string(),
-  );
+  let source_file =
+    cm.new_source_file(FileName::Url(specifier.clone()), source.to_string());
   let input = StringInput::from(&*source_file);
   let comments = SingleThreadedComments::default();
   let syntax = get_syntax(media_type);

cli/ast/transforms.rs

@@ -260,6 +260,7 @@ mod test {
   use deno_ast::swc::parser::TsConfig;
   use deno_ast::swc::visit::Fold;
   use deno_ast::swc::visit::FoldWith;
+  use deno_ast::ModuleSpecifier;
   use std::rc::Rc;
 
   use super::*;
@@ -434,7 +435,7 @@ mod test {
   fn parse(src: &str) -> (Rc<SourceMap>, Module) {
     let source_map = Rc::new(SourceMap::default());
     let source_file = source_map.new_source_file(
-      FileName::Custom("file.ts".to_string()),
+      FileName::Url(ModuleSpecifier::parse("file:///test.ts").unwrap()),
       src.to_string(),
     );
     let input = StringInput::from(&*source_file);

cli/config_file.rs

@@ -25,6 +25,7 @@ pub struct EmitConfigOptions {
   pub emit_decorator_metadata: bool,
   pub imports_not_used_as_values: String,
   pub inline_source_map: bool,
+  pub inline_sources: bool,
   pub source_map: bool,
   pub jsx: String,
   pub jsx_factory: String,

cli/module_graph.rs

@@ -158,16 +158,14 @@ impl deno_ast::swc::bundler::Load for BundleLoader<'_> {
     file: &deno_ast::swc::common::FileName,
   ) -> Result<deno_ast::swc::bundler::ModuleData, AnyError> {
     match file {
-      deno_ast::swc::common::FileName::Custom(filename) => {
-        let specifier = resolve_url_or_path(filename)
-          .context("Failed to convert swc FileName to ModuleSpecifier.")?;
-        if let Some(src) = self.graph.get_source(&specifier) {
+      deno_ast::swc::common::FileName::Url(specifier) => {
+        if let Some(src) = self.graph.get_source(specifier) {
           let media_type = self
             .graph
-            .get_media_type(&specifier)
+            .get_media_type(specifier)
             .context("Looking up media type during bundling.")?;
           let (source_file, module) = transpile_module(
-            filename,
+            specifier,
             &src,
             media_type,
             self.emit_options,
@@ -181,8 +179,11 @@ impl deno_ast::swc::bundler::Load for BundleLoader<'_> {
           })
         } else {
           Err(
-            GraphError::MissingDependency(specifier, "<bundle>".to_string())
-              .into(),
+            GraphError::MissingDependency(
+              specifier.clone(),
+              "<bundle>".to_string(),
+            )
+            .into(),
           )
         }
       }
@@ -803,6 +804,7 @@ impl Graph {
       "emitDecoratorMetadata": false,
       "importsNotUsedAsValues": "remove",
       "inlineSourceMap": false,
+      "inlineSources": false,
       "sourceMap": false,
       "jsx": "react",
       "jsxFactory": "React.createElement",
@@ -852,6 +854,7 @@ impl Graph {
         "emitDecoratorMetadata": false,
         "importsNotUsedAsValues": "remove",
         "inlineSourceMap": true,
+        "inlineSources": true,
         "outDir": "deno://",
         "removeComments": true,
       }));
@@ -994,6 +997,7 @@ impl Graph {
       "experimentalDecorators": true,
       "importsNotUsedAsValues": "remove",
       "inlineSourceMap": false,
+      "inlineSources": false,
       "sourceMap": false,
       "isolatedModules": true,
       "jsx": "react",
@@ -1208,7 +1212,7 @@ impl Graph {
     let mut entries = HashMap::new();
     entries.insert(
       "bundle".to_string(),
-      deno_ast::swc::common::FileName::Custom(specifier.to_string()),
+      deno_ast::swc::common::FileName::Url(specifier.clone()),
     );
     let output = bundler
       .bundle(entries)
@@ -1716,6 +1720,8 @@ impl Graph {
       "emitDecoratorMetadata": false,
       "importsNotUsedAsValues": "remove",
       "inlineSourceMap": true,
+      // TODO(@kitsonk) make this actually work when https://github.com/swc-project/swc/issues/2218 addressed.
+      "inlineSources": true,
       "sourceMap": false,
       "jsx": "react",
       "jsxFactory": "React.createElement",
@@ -1834,20 +1840,17 @@ impl deno_ast::swc::bundler::Resolve for Graph {
     specifier: &str,
   ) -> Result<deno_ast::swc::common::FileName, AnyError> {
     let referrer =
-      if let deno_ast::swc::common::FileName::Custom(referrer) = referrer {
-        resolve_url_or_path(referrer)
-          .context("Cannot resolve swc FileName to a module specifier")?
+      if let deno_ast::swc::common::FileName::Url(referrer) = referrer {
+        referrer
       } else {
         unreachable!(
           "An unexpected referrer was passed when bundling: {:?}",
           referrer
         )
       };
-    let specifier = self.resolve(specifier, &referrer, false)?;
+    let specifier = self.resolve(specifier, referrer, false)?;
 
-    Ok(deno_ast::swc::common::FileName::Custom(
-      specifier.to_string(),
-    ))
+    Ok(deno_ast::swc::common::FileName::Url(specifier))
   }
 }
 

cli/tools/repl.rs

@@ -663,6 +663,7 @@ impl ReplSession {
         emit_metadata: false,
         source_map: false,
         inline_source_map: false,
+        inline_sources: false,
         imports_not_used_as_values: ImportsNotUsedAsValues::Preserve,
         // JSX is not supported in the REPL
         transform_jsx: false,