fix: better handling of npm resolution occurring on workers (#24094)

Closes https://github.com/denoland/deno/issues/24063

.dprint.json

@@ -57,10 +57,10 @@
     "ext/websocket/autobahn/reports"
   ],
   "plugins": [
-    "https://plugins.dprint.dev/typescript-0.90.5.wasm",
+    "https://plugins.dprint.dev/typescript-0.91.1.wasm",
-    "https://plugins.dprint.dev/json-0.19.2.wasm",
+    "https://plugins.dprint.dev/json-0.19.3.wasm",
-    "https://plugins.dprint.dev/markdown-0.17.0.wasm",
+    "https://plugins.dprint.dev/markdown-0.17.1.wasm",
-    "https://plugins.dprint.dev/toml-0.6.1.wasm",
+    "https://plugins.dprint.dev/toml-0.6.2.wasm",
     "https://plugins.dprint.dev/exec-0.4.4.json@c207bf9b9a4ee1f0ecb75c594f774924baf62e8e53a2ce9d873816a408cecbf7"
   ]
 }

Cargo.lock

@@ -1175,9 +1175,9 @@ dependencies = [
 
 [[package]]
 name = "deno_ast"
-version = "0.38.2"
+version = "0.39.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "584547d27786a734536fde7088f8429d355569c39410427be44695c300618408"
+checksum = "32edef567e3090862e865c75628f4d35ace80ca90e0fc5263a7d10fa307ae899"
 dependencies = [
  "anyhow",
  "base64 0.21.7",
@@ -1385,9 +1385,9 @@ dependencies = [
 
 [[package]]
 name = "deno_doc"
-version = "0.137.0"
+version = "0.139.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "57f13d6254b2e05b014e8464647025fa28ef2f385c9c102744a27bd788eb3ebe"
+checksum = "c9cd9891748fbd9847c9aeed31635c4c1b5d9a949f6fdd80613b082bdd863518"
 dependencies = [
  "ammonia",
  "anyhow",
@@ -1410,9 +1410,9 @@ dependencies = [
 
 [[package]]
 name = "deno_emit"
-version = "0.41.0"
+version = "0.42.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ebe4b6c67f21a73901e962e92d51065f3c1bb42d2195bca8c2fef9f1808c4c2d"
+checksum = "25bc64f886c76647400ed8f807ba7dba82e0b52e57e5426a83094cfe22ee19c9"
 dependencies = [
  "anyhow",
  "base64 0.21.7",
@@ -1478,9 +1478,9 @@ dependencies = [
 
 [[package]]
 name = "deno_graph"
-version = "0.77.2"
+version = "0.78.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "192d6f61d5418c928d29b2666b916df65a3b5677ce454fc6a4b4969983a02abe"
+checksum = "c4ccd2755a805983f96aeccd211c1f7585b6bfec77471f502c47227abe375682"
 dependencies = [
  "anyhow",
  "async-trait",
@@ -1589,9 +1589,9 @@ dependencies = [
 
 [[package]]
 name = "deno_lint"
-version = "0.59.1"
+version = "0.60.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0568595fd7f8ad76ddf66d70c1c5e3e680ad95c3d5abb44556e94d824643d6e2"
+checksum = "bf6a9540b371b123e3df4ab5fd59af0defc0d834e08ebfb3deacc41837963368"
 dependencies = [
  "anyhow",
  "deno_ast",
@@ -2269,9 +2269,9 @@ dependencies = [
 
 [[package]]
 name = "dprint-plugin-json"
-version = "0.19.2"
+version = "0.19.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e292d0d74f3f51b1ff3e446c8809bcdd0b6079b49cf6c0d452c85927a2575246"
+checksum = "a19f4a9f2f548b2098b8ec597d7bb40af133b6e9a3187c1d3c4caa101b8c93c3"
 dependencies = [
  "anyhow",
  "dprint-core",
@@ -2296,9 +2296,9 @@ dependencies = [
 
 [[package]]
 name = "dprint-plugin-markdown"
-version = "0.17.0"
+version = "0.17.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b2642e4a5f3a2262bb9baef8739f90d99b73ca21bc65f46c320a7817fd65438"
+checksum = "da8df52eef864c2577ad3fb28c596935e2c0161eb09f6d5e239b10fecda2ec1c"
 dependencies = [
  "anyhow",
  "dprint-core",
@@ -2311,9 +2311,9 @@ dependencies = [
 
 [[package]]
 name = "dprint-plugin-typescript"
-version = "0.90.5"
+version = "0.91.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d7c3c339020ebbbbbe5fc049350935ee2ea2ba5a3fc01f753588639a30404cda"
+checksum = "4170a1aea5c8d899e9fa96be972931b1f0beaf6f6ba2f3f40a48a13071b376ea"
 dependencies = [
  "anyhow",
  "deno_ast",
@@ -2539,9 +2539,9 @@ dependencies = [
 
 [[package]]
 name = "eszip"
-version = "0.70.1"
+version = "0.71.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e5f9947a8dd5ba292461c84a5bf142497e2840c4165994c5c3b3ae4954d38fef"
+checksum = "3c3763e2d3e56ed5f770f9ab133aca20b1e7fa840f2408f79575ad96f942af2e"
 dependencies = [
  "anyhow",
  "base64 0.21.7",
@@ -2652,9 +2652,9 @@ checksum = "c007b1ae3abe1cb6f85a16305acd418b7ca6343b953633fee2b76d8f108b830f"
 
 [[package]]
 name = "file_test_runner"
-version = "0.7.0"
+version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b8797fcdc5c6b8c06839900c30f5c59b3541ef2bec218579470ce7b1afc17ee9"
+checksum = "05b23dcc1b671771c6f59fdace6da685735c925f859733e8fd07fba6cae6462a"
 dependencies = [
  "anyhow",
  "crossbeam-channel",

Cargo.toml

@@ -43,7 +43,7 @@ license = "MIT"
 repository = "https://github.com/denoland/deno"
 
 [workspace.dependencies]
-deno_ast = { version = "=0.38.2", features = ["transpiling"] }
+deno_ast = { version = "=0.39.0", features = ["transpiling"] }
 deno_core = { version = "0.284.0" }
 
 deno_bench_util = { version = "0.148.0", path = "./bench_util" }

cli/Cargo.toml

@@ -67,17 +67,17 @@ deno_ast = { workspace = true, features = ["bundler", "cjs", "codegen", "proposa
 deno_cache_dir = { workspace = true }
 deno_config = "=0.16.4"
 deno_core = { workspace = true, features = ["include_js_files_for_snapshotting"] }
-deno_doc = { version = "=0.137.0", features = ["html", "syntect"] }
+deno_doc = { version = "=0.139.0", features = ["html", "syntect"] }
-deno_emit = "=0.41.0"
+deno_emit = "=0.42.0"
-deno_graph = { version = "=0.77.2", features = ["tokio_executor"] }
+deno_graph = { version = "=0.78.0", features = ["tokio_executor"] }
-deno_lint = { version = "=0.59.1", features = ["docs"] }
+deno_lint = { version = "=0.60.0", features = ["docs"] }
 deno_lockfile.workspace = true
 deno_npm = "=0.21.0"
 deno_runtime = { workspace = true, features = ["include_js_files_for_snapshotting"] }
 deno_semver = "=0.5.4"
 deno_task_shell = "=0.16.1"
 deno_terminal.workspace = true
-eszip = "=0.70.1"
+eszip = "=0.71.0"
 napi_sym.workspace = true
 
 async-trait.workspace = true
@@ -96,10 +96,10 @@ dashmap = "5.5.3"
 data-encoding.workspace = true
 dissimilar = "=1.0.4"
 dotenvy = "0.15.7"
-dprint-plugin-json = "=0.19.2"
+dprint-plugin-json = "=0.19.3"
 dprint-plugin-jupyter = "=0.1.3"
-dprint-plugin-markdown = "=0.17.0"
+dprint-plugin-markdown = "=0.17.1"
-dprint-plugin-typescript = "=0.90.5"
+dprint-plugin-typescript = "=0.91.1"
 env_logger = "=0.10.0"
 fancy-regex = "=0.10.0"
 faster-hex.workspace = true

cli/args/mod.rs

@@ -197,7 +197,7 @@ pub fn ts_config_to_transpile_and_emit_options(
     },
     deno_ast::EmitOptions {
       inline_sources: options.inline_sources,
-      keep_comments: true,
+      remove_comments: false,
       source_map,
       source_map_file: None,
     },

cli/cache/emit.rs

@@ -45,7 +45,7 @@ impl EmitCache {
     &self,
     specifier: &ModuleSpecifier,
     expected_source_hash: u64,
-  ) -> Option<String> {
+  ) -> Option<Vec<u8>> {
     let meta_filename = self.get_meta_filename(specifier)?;
     let emit_filename = self.get_emit_filename(specifier)?;
 
@@ -63,8 +63,7 @@ impl EmitCache {
     }
 
     // everything looks good, return it
-    let emit_text = String::from_utf8(emit_bytes).ok()?;
+    Some(emit_bytes)
-    Some(emit_text)
   }
 
   /// Gets the filepath which stores the emit.
@@ -85,7 +84,7 @@ impl EmitCache {
     &self,
     specifier: &ModuleSpecifier,
     source_hash: u64,
-    code: &str,
+    code: &[u8],
   ) {
     if let Err(err) = self.set_emit_code_result(specifier, source_hash, code) {
       // should never error here, but if it ever does don't fail
@@ -101,7 +100,7 @@ impl EmitCache {
     &self,
     specifier: &ModuleSpecifier,
     source_hash: u64,
-    code: &str,
+    code: &[u8],
   ) -> Result<(), AnyError> {
     let meta_filename = self
       .get_meta_filename(specifier)
@@ -113,14 +112,14 @@ impl EmitCache {
     // save the metadata
     let metadata = EmitMetadata {
       source_hash,
-      emit_hash: compute_emit_hash(code.as_bytes(), self.cli_version),
+      emit_hash: compute_emit_hash(code, self.cli_version),
     };
     self
       .disk_cache
       .set(&meta_filename, &serde_json::to_vec(&metadata)?)?;
 
     // save the emit source
-    self.disk_cache.set(&emit_filename, code.as_bytes())?;
+    self.disk_cache.set(&emit_filename, code)?;
 
     Ok(())
   }
@@ -163,6 +162,8 @@ mod test {
       disk_cache: disk_cache.clone(),
       cli_version: "1.0.0",
     };
+    let to_string =
+      |bytes: Vec<u8>| -> String { String::from_utf8(bytes).unwrap() };
 
     let specifier1 =
       ModuleSpecifier::from_file_path(temp_dir.path().join("file1.ts"))
@@ -173,16 +174,19 @@ mod test {
     assert_eq!(cache.get_emit_code(&specifier1, 1), None);
     let emit_code1 = "text1".to_string();
     let emit_code2 = "text2".to_string();
-    cache.set_emit_code(&specifier1, 10, &emit_code1);
+    cache.set_emit_code(&specifier1, 10, emit_code1.as_bytes());
-    cache.set_emit_code(&specifier2, 2, &emit_code2);
+    cache.set_emit_code(&specifier2, 2, emit_code2.as_bytes());
     // providing the incorrect source hash
     assert_eq!(cache.get_emit_code(&specifier1, 5), None);
     // providing the correct source hash
     assert_eq!(
-      cache.get_emit_code(&specifier1, 10),
+      cache.get_emit_code(&specifier1, 10).map(to_string),
       Some(emit_code1.clone()),
     );
-    assert_eq!(cache.get_emit_code(&specifier2, 2), Some(emit_code2));
+    assert_eq!(
+      cache.get_emit_code(&specifier2, 2).map(to_string),
+      Some(emit_code2)
+    );
 
     // try changing the cli version (should not load previous ones)
     let cache = EmitCache {
@@ -190,19 +194,25 @@ mod test {
       cli_version: "2.0.0",
     };
     assert_eq!(cache.get_emit_code(&specifier1, 10), None);
-    cache.set_emit_code(&specifier1, 5, &emit_code1);
+    cache.set_emit_code(&specifier1, 5, emit_code1.as_bytes());
 
     // recreating the cache should still load the data because the CLI version is the same
     let cache = EmitCache {
       disk_cache,
       cli_version: "2.0.0",
     };
-    assert_eq!(cache.get_emit_code(&specifier1, 5), Some(emit_code1));
+    assert_eq!(
+      cache.get_emit_code(&specifier1, 5).map(to_string),
+      Some(emit_code1)
+    );
 
     // adding when already exists should not cause issue
     let emit_code3 = "asdf".to_string();
-    cache.set_emit_code(&specifier1, 20, &emit_code3);
+    cache.set_emit_code(&specifier1, 20, emit_code3.as_bytes());
     assert_eq!(cache.get_emit_code(&specifier1, 5), None);
-    assert_eq!(cache.get_emit_code(&specifier1, 20), Some(emit_code3));
+    assert_eq!(
+      cache.get_emit_code(&specifier1, 20).map(to_string),
+      Some(emit_code3)
+    );
   }
 }

cli/cache/parsed_source.rs

@@ -75,7 +75,7 @@ impl ParsedSourceCache {
   ) -> Result<ParsedSource, deno_ast::ParseDiagnostic> {
     if let Some(parsed_source) = self.remove_parsed_source(specifier) {
       if parsed_source.media_type() == media_type
-        && parsed_source.text_info().text_str() == source.as_ref()
+        && parsed_source.text().as_ref() == source.as_ref()
       {
         // note: message used tests
         log::debug!("Removed parsed source: {}", specifier);

cli/emit.rs

@@ -10,7 +10,7 @@ use deno_core::error::AnyError;
 use deno_core::futures::stream::FuturesUnordered;
 use deno_core::futures::FutureExt;
 use deno_core::futures::StreamExt;
-use deno_core::ModuleCodeString;
+use deno_core::ModuleCodeBytes;
 use deno_core::ModuleSpecifier;
 use deno_graph::MediaType;
 use deno_graph::Module;
@@ -90,7 +90,7 @@ impl Emitter {
     &self,
     specifier: &ModuleSpecifier,
     source: &str,
-  ) -> Option<String> {
+  ) -> Option<Vec<u8>> {
     let source_hash = self.get_source_hash(source);
     self.emit_cache.get_emit_code(specifier, source_hash)
   }
@@ -100,7 +100,7 @@ impl Emitter {
     specifier: &ModuleSpecifier,
     media_type: MediaType,
     source: &Arc<str>,
-  ) -> Result<ModuleCodeString, AnyError> {
+  ) -> Result<ModuleCodeBytes, AnyError> {
     // Note: keep this in sync with the sync version below
     let helper = EmitParsedSourceHelper(self);
     match helper.pre_emit_parsed_source(specifier, source) {
@@ -139,7 +139,7 @@ impl Emitter {
     specifier: &ModuleSpecifier,
     media_type: MediaType,
     source: &Arc<str>,
-  ) -> Result<ModuleCodeString, AnyError> {
+  ) -> Result<ModuleCodeBytes, AnyError> {
     // Note: keep this in sync with the async version above
     let helper = EmitParsedSourceHelper(self);
     match helper.pre_emit_parsed_source(specifier, source) {
@@ -172,17 +172,44 @@ impl Emitter {
       ModuleSpecifier::to_file_path(specifier).unwrap(),
     )
     .await?;
+    match media_type {
+      MediaType::TypeScript
+      | MediaType::Mts
+      | MediaType::Cts
+      | MediaType::Jsx
+      | MediaType::Tsx => {
         let source_arc: Arc<str> = source_code.into();
         let parsed_source = self
           .parsed_source_cache
           .remove_or_parse_module(specifier, source_arc, media_type)?;
+        // HMR doesn't work with embedded source maps for some reason, so set
+        // the option to not use them (though you should test this out because
+        // this statement is probably wrong)
         let mut options = self.transpile_and_emit_options.1.clone();
         options.source_map = SourceMapOption::None;
         let transpiled_source = parsed_source
           .transpile(&self.transpile_and_emit_options.0, &options)?
-      .into_source();
+          .into_source()
+          .into_string()?;
         Ok(transpiled_source.text)
       }
+      MediaType::JavaScript
+      | MediaType::Mjs
+      | MediaType::Cjs
+      | MediaType::Dts
+      | MediaType::Dmts
+      | MediaType::Dcts
+      | MediaType::Json
+      | MediaType::Wasm
+      | MediaType::TsBuildInfo
+      | MediaType::SourceMap
+      | MediaType::Unknown => {
+        // clear this specifier from the parsed source cache as it's now out of date
+        self.parsed_source_cache.free(specifier);
+        Ok(source_code)
+      }
+    }
+  }
 
   /// A hashing function that takes the source code and uses the global emit
   /// options then generates a string hash which can be stored to
@@ -196,7 +223,7 @@ impl Emitter {
 }
 
 enum PreEmitResult {
-  Cached(ModuleCodeString),
+  Cached(ModuleCodeBytes),
   NotCached { source_hash: u64 },
 }
 
@@ -214,7 +241,7 @@ impl<'a> EmitParsedSourceHelper<'a> {
     if let Some(emit_code) =
       self.0.emit_cache.get_emit_code(specifier, source_hash)
     {
-      PreEmitResult::Cached(emit_code.into())
+      PreEmitResult::Cached(emit_code.into_boxed_slice().into())
     } else {
       PreEmitResult::NotCached { source_hash }
     }
@@ -240,7 +267,7 @@ impl<'a> EmitParsedSourceHelper<'a> {
     specifier: &ModuleSpecifier,
     transpile_result: TranspileResult,
     source_hash: u64,
-  ) -> ModuleCodeString {
+  ) -> ModuleCodeBytes {
     let transpiled_source = match transpile_result {
       TranspileResult::Owned(source) => source,
       TranspileResult::Cloned(source) => {
@@ -252,8 +279,8 @@ impl<'a> EmitParsedSourceHelper<'a> {
     self.0.emit_cache.set_emit_code(
       specifier,
       source_hash,
-      &transpiled_source.text,
+      &transpiled_source.source,
     );
-    transpiled_source.text.into()
+    transpiled_source.source.into_boxed_slice().into()
   }
 }

cli/graph_util.rs

@@ -78,7 +78,7 @@ pub fn graph_valid(
 
   let mut errors = graph
     .walk(
-      roots,
+      roots.iter(),
       deno_graph::WalkOptions {
         check_js: options.check_js,
         follow_type_only: options.follow_type_only,
@@ -479,7 +479,7 @@ impl ModuleGraphBuilder {
     };
     let cli_resolver = &self.resolver;
     let graph_resolver = cli_resolver.as_graph_resolver();
-    let graph_npm_resolver = cli_resolver.as_graph_npm_resolver();
+    let graph_npm_resolver = cli_resolver.create_graph_npm_resolver();
     let maybe_file_watcher_reporter = self
       .maybe_file_watcher_reporter
       .as_ref()
@@ -503,7 +503,7 @@ impl ModuleGraphBuilder {
           executor: Default::default(),
           file_system: &DenoGraphFsAdapter(self.fs.as_ref()),
           jsr_url_provider: &CliJsrUrlProvider,
-          npm_resolver: Some(graph_npm_resolver),
+          npm_resolver: Some(&graph_npm_resolver),
           module_analyzer: &analyzer,
           reporter: maybe_file_watcher_reporter,
           resolver: Some(graph_resolver),
@@ -595,7 +595,6 @@ impl ModuleGraphBuilder {
     if has_redirects_changed
       || has_jsr_package_deps_changed
       || has_jsr_package_mappings_changed
-      || has_npm_packages_changed
     {
       if let Some(lockfile) = &self.lockfile {
         let mut lockfile = lockfile.lock();
@@ -624,10 +623,6 @@ impl ModuleGraphBuilder {
               .add_package_deps(&name.to_string(), deps.map(|s| s.to_string()));
           }
         }
-        // npm packages
-        if has_npm_packages_changed {
-          self.npm_resolver.as_managed().unwrap().lock(&mut lockfile);
-        }
       }
     }
 
@@ -652,7 +647,7 @@ impl ModuleGraphBuilder {
     let parser = self.parsed_source_cache.as_capturing_parser();
     let cli_resolver = &self.resolver;
     let graph_resolver = cli_resolver.as_graph_resolver();
-    let graph_npm_resolver = cli_resolver.as_graph_npm_resolver();
+    let graph_npm_resolver = cli_resolver.create_graph_npm_resolver();
     let workspace_members = if options.workspace_fast_check {
       Some(self.options.resolve_deno_graph_workspace_members()?)
     } else {
@@ -666,7 +661,7 @@ impl ModuleGraphBuilder {
         fast_check_dts: false,
         module_parser: Some(&parser),
         resolver: Some(graph_resolver),
-        npm_resolver: Some(graph_npm_resolver),
+        npm_resolver: Some(&graph_npm_resolver),
         workspace_fast_check: if let Some(members) = &workspace_members {
           deno_graph::WorkspaceFastCheckOption::Enabled(members)
         } else {
@@ -701,7 +696,10 @@ impl ModuleGraphBuilder {
   /// so. Returns `Err(_)` if there is a known module graph or resolution
   /// error statically reachable from `roots` and not a dynamic import.
   pub fn graph_valid(&self, graph: &ModuleGraph) -> Result<(), AnyError> {
-    self.graph_roots_valid(graph, &graph.roots)
+    self.graph_roots_valid(
+      graph,
+      &graph.roots.iter().cloned().collect::<Vec<_>>(),
+    )
   }
 
   pub fn graph_roots_valid(
@@ -891,9 +889,8 @@ pub fn has_graph_root_local_dependent_changed(
   root: &ModuleSpecifier,
   canonicalized_changed_paths: &HashSet<PathBuf>,
 ) -> bool {
-  let roots = vec![root.clone()];
   let mut dependent_specifiers = graph.walk(
-    &roots,
+    std::iter::once(root),
     deno_graph::WalkOptions {
       follow_dynamic: true,
       follow_type_only: true,

cli/lsp/analysis.rs

@@ -724,8 +724,8 @@ impl CodeActionCollection {
     &mut self,
     specifier: &ModuleSpecifier,
     diagnostic: &lsp::Diagnostic,
-    maybe_text_info: Option<SourceTextInfo>,
+    maybe_text_info: Option<&SourceTextInfo>,
-    maybe_parsed_source: Option<deno_ast::ParsedSource>,
+    maybe_parsed_source: Option<&deno_ast::ParsedSource>,
   ) -> Result<(), AnyError> {
     if let Some(data_quick_fixes) = diagnostic
       .data
@@ -774,8 +774,8 @@ impl CodeActionCollection {
     &mut self,
     specifier: &ModuleSpecifier,
     diagnostic: &lsp::Diagnostic,
-    maybe_text_info: Option<SourceTextInfo>,
+    maybe_text_info: Option<&SourceTextInfo>,
-    maybe_parsed_source: Option<deno_ast::ParsedSource>,
+    maybe_parsed_source: Option<&deno_ast::ParsedSource>,
   ) -> Result<(), AnyError> {
     let code = diagnostic
       .code
@@ -830,7 +830,7 @@ impl CodeActionCollection {
       .push(CodeActionKind::DenoLint(ignore_error_action));
 
     // Disable a lint error for the entire file.
-    let maybe_ignore_comment = maybe_parsed_source.clone().and_then(|ps| {
+    let maybe_ignore_comment = maybe_parsed_source.and_then(|ps| {
       // Note: we can use ps.get_leading_comments() but it doesn't
       // work when shebang is present at the top of the file.
       ps.comments().get_vec().iter().find_map(|c| {
@@ -861,9 +861,8 @@ impl CodeActionCollection {
     if let Some(ignore_comment) = maybe_ignore_comment {
       new_text = format!(" {code}");
       // Get the end position of the comment.
-      let line = maybe_parsed_source
+      let line = maybe_text_info
         .unwrap()
-        .text_info()
         .line_and_column_index(ignore_comment.end());
       let position = lsp::Position {
         line: line.line_index as u32,

cli/lsp/code_lens.rs

@@ -67,7 +67,7 @@ impl DenoTestCollector {
 
   fn add_code_lenses<N: AsRef<str>>(&mut self, name: N, range: &SourceRange) {
     let range =
-      source_range_to_lsp_range(range, self.parsed_source.text_info());
+      source_range_to_lsp_range(range, self.parsed_source.text_info_lazy());
     self.add_code_lens(&name, range, "▶\u{fe0e} Run Test", false);
     self.add_code_lens(&name, range, "Debug", true);
   }
@@ -406,7 +406,7 @@ pub async fn resolve_code_lens(
 
 pub fn collect_test(
   specifier: &ModuleSpecifier,
-  parsed_source: ParsedSource,
+  parsed_source: &ParsedSource,
 ) -> Result<Vec<lsp::CodeLens>, AnyError> {
   let mut collector =
     DenoTestCollector::new(specifier.clone(), parsed_source.clone());
@@ -537,7 +537,6 @@ pub fn collect_tsc(
 #[cfg(test)]
 mod tests {
   use deno_ast::MediaType;
-  use deno_ast::SourceTextInfo;
 
   use super::*;
 
@@ -562,7 +561,7 @@ mod tests {
     "#;
     let parsed_module = deno_ast::parse_module(deno_ast::ParseParams {
       specifier: specifier.clone(),
-      text_info: SourceTextInfo::new(source.into()),
+      text: source.into(),
       media_type: MediaType::TypeScript,
       capture_tokens: true,
       scope_analysis: true,

cli/lsp/completions.rs

@@ -164,7 +164,7 @@ pub async fn get_import_completions(
   let document = documents.get(specifier)?;
   let file_referrer = document.file_referrer();
   let (text, _, range) = document.get_maybe_dependency(position)?;
-  let range = to_narrow_lsp_range(&document.text_info(), &range);
+  let range = to_narrow_lsp_range(document.text_info(), &range);
   let resolved = resolver
     .as_graph_resolver(file_referrer)
     .resolve(

cli/lsp/diagnostics.rs

@@ -854,7 +854,7 @@ fn generate_document_lint_diagnostics(
   match document.maybe_parsed_source() {
     Some(Ok(parsed_source)) => {
       if let Ok(references) =
-        analysis::get_lint_references(&parsed_source, lint_rules, lint_config)
+        analysis::get_lint_references(parsed_source, lint_rules, lint_config)
       {
         references
           .into_iter()

cli/lsp/documents.rs

@@ -155,7 +155,7 @@ impl AssetOrDocument {
   pub fn text(&self) -> Arc<str> {
     match self {
       AssetOrDocument::Asset(a) => a.text(),
-      AssetOrDocument::Document(d) => d.text_info.text(),
+      AssetOrDocument::Document(d) => d.text.clone(),
     }
   }
 
@@ -191,7 +191,7 @@ impl AssetOrDocument {
 
   pub fn maybe_parsed_source(
     &self,
-  ) -> Option<Result<deno_ast::ParsedSource, deno_ast::ParseDiagnostic>> {
+  ) -> Option<&Result<deno_ast::ParsedSource, deno_ast::ParseDiagnostic>> {
     self.document().and_then(|d| d.maybe_parsed_source())
   }
 
@@ -243,7 +243,7 @@ fn get_maybe_test_module_fut(
   let handle = tokio::task::spawn_blocking(move || {
     let mut collector = TestCollector::new(
       parsed_source.specifier().clone(),
-      parsed_source.text_info().clone(),
+      parsed_source.text_info_lazy().clone(),
     );
     parsed_source.module().visit_with(&mut collector);
     Arc::new(collector.take())
@@ -283,7 +283,8 @@ pub struct Document {
   open_data: Option<DocumentOpenData>,
   resolver: Arc<LspResolver>,
   specifier: ModuleSpecifier,
-  text_info: SourceTextInfo,
+  text: Arc<str>,
+  text_info_cell: once_cell::sync::OnceCell<SourceTextInfo>,
 }
 
 impl Document {
@@ -291,7 +292,7 @@ impl Document {
   #[allow(clippy::too_many_arguments)]
   fn new(
     specifier: ModuleSpecifier,
-    content: Arc<str>,
+    text: Arc<str>,
     maybe_lsp_version: Option<i32>,
     maybe_language_id: Option<LanguageId>,
     maybe_headers: Option<HashMap<String, String>>,
@@ -300,7 +301,6 @@ impl Document {
     cache: &Arc<LspCache>,
     file_referrer: Option<ModuleSpecifier>,
   ) -> Arc<Self> {
-    let text_info = SourceTextInfo::new(content);
     let media_type = resolve_media_type(
       &specifier,
       maybe_headers.as_ref(),
@@ -311,7 +311,7 @@ impl Document {
       if media_type_is_diagnosable(media_type) {
         parse_and_analyze_module(
           specifier.clone(),
-          text_info.clone(),
+          text.clone(),
           maybe_headers.as_ref(),
           media_type,
           file_referrer.as_ref(),
@@ -328,7 +328,7 @@ impl Document {
     let maybe_types_dependency = maybe_module
       .as_ref()
       .and_then(|m| Some(Arc::new(m.maybe_types_dependency.clone()?)));
-    let line_index = Arc::new(LineIndex::new(text_info.text_str()));
+    let line_index = Arc::new(LineIndex::new(text.as_ref()));
     let maybe_test_module_fut =
       get_maybe_test_module_fut(maybe_parsed_source.as_ref(), &config);
     Arc::new(Self {
@@ -350,7 +350,8 @@ impl Document {
       }),
       resolver,
       specifier,
-      text_info,
+      text,
+      text_info_cell: once_cell::sync::OnceCell::new(),
     })
   }
 
@@ -370,11 +371,8 @@ impl Document {
     let maybe_parsed_source;
     let maybe_test_module_fut;
     if media_type != self.media_type {
-      let parsed_source_result = parse_source(
+      let parsed_source_result =
-        self.specifier.clone(),
+        parse_source(self.specifier.clone(), self.text.clone(), media_type);
-        self.text_info.clone(),
-        media_type,
-      );
       let maybe_module = analyze_module(
         self.specifier.clone(),
         &parsed_source_result,
@@ -397,7 +395,7 @@ impl Document {
       let graph_resolver =
         resolver.as_graph_resolver(self.file_referrer.as_ref());
       let npm_resolver =
-        resolver.as_graph_npm_resolver(self.file_referrer.as_ref());
+        resolver.create_graph_npm_resolver(self.file_referrer.as_ref());
       dependencies = Arc::new(
         self
           .dependencies
@@ -409,7 +407,7 @@ impl Document {
                 s,
                 &CliJsrUrlProvider,
                 Some(graph_resolver),
-                Some(npm_resolver),
+                Some(&npm_resolver),
               ),
             )
           })
@@ -419,10 +417,10 @@ impl Document {
         Arc::new(d.with_new_resolver(
           &CliJsrUrlProvider,
           Some(graph_resolver),
-          Some(npm_resolver),
+          Some(&npm_resolver),
         ))
       });
-      maybe_parsed_source = self.maybe_parsed_source();
+      maybe_parsed_source = self.maybe_parsed_source().cloned();
       maybe_test_module_fut = self
         .maybe_test_module_fut
         .clone()
@@ -450,7 +448,8 @@ impl Document {
       }),
       resolver,
       specifier: self.specifier.clone(),
-      text_info: self.text_info.clone(),
+      text: self.text.clone(),
+      text_info_cell: once_cell::sync::OnceCell::new(),
     })
   }
 
@@ -459,7 +458,7 @@ impl Document {
     version: i32,
     changes: Vec<lsp::TextDocumentContentChangeEvent>,
   ) -> Result<Arc<Self>, AnyError> {
-    let mut content = self.text_info.text_str().to_string();
+    let mut content = self.text.to_string();
     let mut line_index = self.line_index.clone();
     let mut index_valid = IndexValid::All;
     for change in changes {
@@ -475,7 +474,7 @@ impl Document {
         index_valid = IndexValid::UpTo(0);
       }
     }
-    let text_info = SourceTextInfo::from_string(content);
+    let text: Arc<str> = content.into();
     let media_type = self.media_type;
     let (maybe_parsed_source, maybe_module) = if self
       .maybe_language_id
@@ -485,7 +484,7 @@ impl Document {
     {
       parse_and_analyze_module(
         self.specifier.clone(),
-        text_info.clone(),
+        text.clone(),
         self.maybe_headers.as_ref(),
         media_type,
         self.file_referrer.as_ref(),
@@ -506,7 +505,7 @@ impl Document {
     let line_index = if index_valid == IndexValid::All {
       line_index
     } else {
-      Arc::new(LineIndex::new(text_info.text_str()))
+      Arc::new(LineIndex::new(text.as_ref()))
     };
     let maybe_test_module_fut =
       get_maybe_test_module_fut(maybe_parsed_source.as_ref(), &self.config);
@@ -518,7 +517,8 @@ impl Document {
       maybe_language_id: self.maybe_language_id,
       dependencies,
       maybe_types_dependency,
-      text_info,
+      text,
+      text_info_cell: once_cell::sync::OnceCell::new(),
       line_index,
       maybe_headers: self.maybe_headers.clone(),
       maybe_navigation_tree: Mutex::new(None),
@@ -542,7 +542,8 @@ impl Document {
       maybe_language_id: self.maybe_language_id,
       dependencies: self.dependencies.clone(),
       maybe_types_dependency: self.maybe_types_dependency.clone(),
-      text_info: self.text_info.clone(),
+      text: self.text.clone(),
+      text_info_cell: once_cell::sync::OnceCell::new(),
       line_index: self.line_index.clone(),
       maybe_headers: self.maybe_headers.clone(),
       maybe_navigation_tree: Mutex::new(
@@ -564,7 +565,8 @@ impl Document {
       maybe_language_id: self.maybe_language_id,
       dependencies: self.dependencies.clone(),
       maybe_types_dependency: self.maybe_types_dependency.clone(),
-      text_info: self.text_info.clone(),
+      text: self.text.clone(),
+      text_info_cell: once_cell::sync::OnceCell::new(),
       line_index: self.line_index.clone(),
       maybe_headers: self.maybe_headers.clone(),
       maybe_navigation_tree: Mutex::new(
@@ -585,12 +587,22 @@ impl Document {
     self.file_referrer.as_ref()
   }
 
-  pub fn content(&self) -> Arc<str> {
+  pub fn content(&self) -> &Arc<str> {
-    self.text_info.text()
+    &self.text
   }
 
-  pub fn text_info(&self) -> SourceTextInfo {
+  pub fn text_info(&self) -> &SourceTextInfo {
-    self.text_info.clone()
+    // try to get the text info from the parsed source and if
+    // not then create one in the cell
+    self
+      .maybe_parsed_source()
+      .and_then(|p| p.as_ref().ok())
+      .map(|p| p.text_info_lazy())
+      .unwrap_or_else(|| {
+        self
+          .text_info_cell
+          .get_or_init(|| SourceTextInfo::new(self.text.clone()))
+      })
   }
 
   pub fn line_index(&self) -> Arc<LineIndex> {
@@ -647,8 +659,8 @@ impl Document {
 
   pub fn maybe_parsed_source(
     &self,
-  ) -> Option<Result<deno_ast::ParsedSource, deno_ast::ParseDiagnostic>> {
+  ) -> Option<&Result<deno_ast::ParsedSource, deno_ast::ParseDiagnostic>> {
-    self.open_data.as_ref()?.maybe_parsed_source.clone()
+    self.open_data.as_ref()?.maybe_parsed_source.as_ref()
   }
 
   pub async fn maybe_test_module(&self) -> Option<Arc<TestModule>> {
@@ -1421,7 +1433,7 @@ impl<'a> OpenDocumentsGraphLoader<'a> {
       if let Some(doc) = self.open_docs.get(specifier) {
         return Some(
           future::ready(Ok(Some(deno_graph::source::LoadResponse::Module {
-            content: Arc::from(doc.content()),
+            content: Arc::from(doc.content().clone()),
             specifier: doc.specifier().clone(),
             maybe_headers: None,
           })))
@@ -1459,14 +1471,13 @@ impl<'a> deno_graph::source::Loader for OpenDocumentsGraphLoader<'a> {
 
 fn parse_and_analyze_module(
   specifier: ModuleSpecifier,
-  text_info: SourceTextInfo,
+  text: Arc<str>,
   maybe_headers: Option<&HashMap<String, String>>,
   media_type: MediaType,
   file_referrer: Option<&ModuleSpecifier>,
   resolver: &LspResolver,
 ) -> (Option<ParsedSourceResult>, Option<ModuleResult>) {
-  let parsed_source_result =
+  let parsed_source_result = parse_source(specifier.clone(), text, media_type);
-    parse_source(specifier.clone(), text_info, media_type);
   let module_result = analyze_module(
     specifier,
     &parsed_source_result,
@@ -1479,12 +1490,12 @@ fn parse_and_analyze_module(
 
 fn parse_source(
   specifier: ModuleSpecifier,
-  text_info: SourceTextInfo,
+  text: Arc<str>,
   media_type: MediaType,
 ) -> ParsedSourceResult {
   deno_ast::parse_module(deno_ast::ParseParams {
     specifier,
-    text_info,
+    text,
     media_type,
     capture_tokens: true,
     scope_analysis: true,
@@ -1500,7 +1511,9 @@ fn analyze_module(
   resolver: &LspResolver,
 ) -> ModuleResult {
   match parsed_source_result {
-    Ok(parsed_source) => Ok(deno_graph::parse_module_from_ast(
+    Ok(parsed_source) => {
+      let npm_resolver = resolver.create_graph_npm_resolver(file_referrer);
+      Ok(deno_graph::parse_module_from_ast(
         deno_graph::ParseModuleFromAstOptions {
           graph_kind: deno_graph::GraphKind::TypesOnly,
           specifier,
@@ -1511,9 +1524,10 @@ fn analyze_module(
           file_system: &deno_graph::source::NullFileSystem,
           jsr_url_provider: &CliJsrUrlProvider,
           maybe_resolver: Some(resolver.as_graph_resolver(file_referrer)),
-        maybe_npm_resolver: Some(resolver.as_graph_npm_resolver(file_referrer)),
+          maybe_npm_resolver: Some(&npm_resolver),
         },
-    )),
+      ))
+    }
     Err(err) => Err(deno_graph::ModuleGraphError::ModuleError(
       deno_graph::ModuleError::ParseErr(specifier, err.clone()),
     )),
@@ -1602,7 +1616,7 @@ console.log(b);
       )
       .unwrap();
     assert_eq!(
-      &*documents.get(&specifier).unwrap().content(),
+      documents.get(&specifier).unwrap().content().as_ref(),
       r#"import * as b from "./b.ts";
 console.log(b, "hello deno");
 "#

cli/lsp/language_server.rs

@@ -1317,7 +1317,7 @@ impl Inner {
       move || {
         let format_result = match document.maybe_parsed_source() {
           Some(Ok(parsed_source)) => {
-            format_parsed_source(&parsed_source, &fmt_options)
+            format_parsed_source(parsed_source, &fmt_options)
           }
           Some(Err(err)) => Err(anyhow!("{:#}", err)),
           None => {
@@ -1330,12 +1330,12 @@ impl Inner {
               .map(|ext| file_path.with_extension(ext))
               .unwrap_or(file_path);
             // it's not a js/ts file, so attempt to format its contents
-            format_file(&file_path, &document.content(), &fmt_options)
+            format_file(&file_path, document.content(), &fmt_options)
           }
         };
         match format_result {
           Ok(Some(new_text)) => Some(text::get_edits(
-            &document.content(),
+            document.content(),
             &new_text,
             document.line_index().as_ref(),
           )),
@@ -1605,7 +1605,9 @@ impl Inner {
               &specifier,
               diagnostic,
               asset_or_doc.document().map(|d| d.text_info()),
-              asset_or_doc.maybe_parsed_source().and_then(|r| r.ok()),
+              asset_or_doc
+                .maybe_parsed_source()
+                .and_then(|r| r.as_ref().ok()),
             )
             .map_err(|err| {
               error!("Unable to fix lint error: {:#}", err);

cli/lsp/resolver.rs

@@ -20,6 +20,7 @@ use crate::resolver::CliGraphResolver;
 use crate::resolver::CliGraphResolverOptions;
 use crate::resolver::CliNodeResolver;
 use crate::resolver::SloppyImportsResolver;
+use crate::resolver::WorkerCliNpmGraphResolver;
 use crate::util::progress_bar::ProgressBar;
 use crate::util::progress_bar::ProgressBarStyle;
 use dashmap::DashMap;
@@ -27,7 +28,6 @@ use deno_ast::MediaType;
 use deno_cache_dir::HttpCache;
 use deno_core::error::AnyError;
 use deno_core::url::Url;
-use deno_graph::source::NpmResolver;
 use deno_graph::source::Resolver;
 use deno_graph::GraphImport;
 use deno_graph::ModuleSpecifier;
@@ -105,6 +105,7 @@ impl LspResolver {
     let redirect_resolver = Some(Arc::new(RedirectResolver::new(
       cache.root_vendor_or_global(),
     )));
+    let npm_graph_resolver = graph_resolver.create_graph_npm_resolver();
     let graph_imports = config_data
       .and_then(|d| d.config_file.as_ref())
       .and_then(|cf| cf.to_maybe_imports().ok())
@@ -118,7 +119,7 @@ impl LspResolver {
                 imports,
                 &CliJsrUrlProvider,
                 Some(graph_resolver.as_ref()),
-                Some(graph_resolver.as_ref()),
+                Some(&npm_graph_resolver),
               );
               (referrer, graph_import)
             })
@@ -180,11 +181,11 @@ impl LspResolver {
     self.graph_resolver.as_ref()
   }
 
-  pub fn as_graph_npm_resolver(
+  pub fn create_graph_npm_resolver(
     &self,
     _file_referrer: Option<&ModuleSpecifier>,
-  ) -> &dyn NpmResolver {
+  ) -> WorkerCliNpmGraphResolver {
-    self.graph_resolver.as_ref()
+    self.graph_resolver.create_graph_npm_resolver()
   }
 
   pub fn maybe_managed_npm_resolver(

cli/lsp/testing/collectors.rs

@@ -641,14 +641,14 @@ pub mod tests {
 
     let parsed_module = deno_ast::parse_module(deno_ast::ParseParams {
       specifier: specifier.clone(),
-      text_info: deno_ast::SourceTextInfo::new(source.into()),
+      text: source.into(),
       media_type: deno_ast::MediaType::TypeScript,
       capture_tokens: true,
       scope_analysis: true,
       maybe_syntax: None,
     })
     .unwrap();
-    let text_info = parsed_module.text_info().clone();
+    let text_info = parsed_module.text_info_lazy().clone();
     let mut collector = TestCollector::new(specifier, text_info);
     parsed_module.module().visit_with(&mut collector);
     collector.take()

cli/module_loader.rs

@@ -371,8 +371,7 @@ impl<TGraphContainer: ModuleGraphContainer>
       // it to work with --inspect or --inspect-brk
       code_source.code
     } else {
-      // reduce memory and throw away the source map
+      // v8 is slower when source maps are present, so we strip them
-      // because we don't need it
       code_without_source_map(code_source.code)
     };
     let module_type = match code_source.media_type {
@@ -413,7 +412,7 @@ impl<TGraphContainer: ModuleGraphContainer>
 
     Ok(ModuleSource::new_with_redirect(
       module_type,
-      ModuleSourceCode::String(code),
+      code,
       specifier,
       &code_source.found_url,
       code_cache,
@@ -424,26 +423,6 @@ impl<TGraphContainer: ModuleGraphContainer>
     &self,
     referrer: &str,
   ) -> Result<ModuleSpecifier, AnyError> {
-    // todo(https://github.com/denoland/deno_core/pull/741): use function from deno_core
-    fn specifier_has_uri_scheme(specifier: &str) -> bool {
-      let mut chars = specifier.chars();
-      let mut len = 0usize;
-      // The first character must be a letter.
-      match chars.next() {
-        Some(c) if c.is_ascii_alphabetic() => len += 1,
-        _ => return false,
-      }
-      // Second and following characters must be either a letter, number,
-      // plus sign, minus sign, or dot.
-      loop {
-        match chars.next() {
-          Some(c) if c.is_ascii_alphanumeric() || "+-.".contains(c) => len += 1,
-          Some(':') if len >= 2 => return true,
-          _ => return false,
-        }
-      }
-    }
-
     let referrer = if referrer.is_empty() && self.shared.is_repl {
       // FIXME(bartlomieju): this is a hacky way to provide compatibility with REPL
       // and `Deno.core.evalContext` API. Ideally we should always have a referrer filled
@@ -452,7 +431,7 @@ impl<TGraphContainer: ModuleGraphContainer>
       referrer
     };
 
-    if specifier_has_uri_scheme(referrer) {
+    if deno_core::specifier_has_uri_scheme(referrer) {
       deno_core::resolve_url(referrer).map_err(|e| e.into())
     } else if referrer == "." {
       // main module, use the initial cwd
@@ -612,7 +591,7 @@ impl<TGraphContainer: ModuleGraphContainer>
         self.parsed_source_cache.free(specifier);
 
         Ok(ModuleCodeStringSource {
-          code: transpile_result,
+          code: ModuleSourceCode::Bytes(transpile_result),
           found_url: specifier.clone(),
           media_type,
         })
@@ -647,7 +626,7 @@ impl<TGraphContainer: ModuleGraphContainer>
         self.parsed_source_cache.free(specifier);
 
         Ok(ModuleCodeStringSource {
-          code: transpile_result,
+          code: ModuleSourceCode::Bytes(transpile_result),
           found_url: specifier.clone(),
           media_type,
         })
@@ -673,7 +652,7 @@ impl<TGraphContainer: ModuleGraphContainer>
         specifier,
         ..
       })) => Ok(CodeOrDeferredEmit::Code(ModuleCodeStringSource {
-        code: source.clone().into(),
+        code: ModuleSourceCode::String(source.clone().into()),
         found_url: specifier.clone(),
         media_type: *media_type,
       })),
@@ -712,7 +691,7 @@ impl<TGraphContainer: ModuleGraphContainer>
         self.parsed_source_cache.free(specifier);
 
         Ok(CodeOrDeferredEmit::Code(ModuleCodeStringSource {
-          code,
+          code: ModuleSourceCode::String(code),
           found_url: specifier.clone(),
           media_type: *media_type,
         }))
@@ -892,7 +871,7 @@ impl<TGraphContainer: ModuleGraphContainer> SourceMapGetter
       _ => return None,
     }
     let source = self.0.load_prepared_module_sync(&specifier, None).ok()?;
-    source_map_from_code(&source.code)
+    source_map_from_code(source.code.as_bytes())
   }
 
   fn get_source_line(

cli/node.rs

@@ -85,7 +85,7 @@ impl CliCjsCodeAnalyzer {
       move || -> Result<_, deno_ast::ParseDiagnostic> {
         let parsed_source = deno_ast::parse_program(deno_ast::ParseParams {
           specifier,
-          text_info: deno_ast::SourceTextInfo::new(source),
+          text: source,
           media_type,
           capture_tokens: true,
           scope_analysis: false,

cli/npm/managed/cache/mod.rs

@@ -28,6 +28,7 @@ use crate::util::fs::hard_link_dir_recursive;
 mod registry_info;
 mod tarball;
 mod tarball_extract;
+mod value_creator;
 
 pub use registry_info::RegistryInfoDownloader;
 pub use tarball::TarballCache;

cli/npm/managed/cache/registry_info.rs

@@ -8,8 +8,7 @@ use deno_core::anyhow::bail;
 use deno_core::anyhow::Context;
 use deno_core::error::custom_error;
 use deno_core::error::AnyError;
-use deno_core::futures::future::BoxFuture;
+use deno_core::futures::future::LocalBoxFuture;
-use deno_core::futures::future::Shared;
 use deno_core::futures::FutureExt;
 use deno_core::parking_lot::Mutex;
 use deno_core::serde_json;
@@ -23,6 +22,7 @@ use crate::http_util::HttpClientProvider;
 use crate::npm::common::maybe_auth_header_for_npm_registry;
 use crate::util::progress_bar::ProgressBar;
 
+use super::value_creator::MultiRuntimeAsyncValueCreator;
 use super::NpmCache;
 
 // todo(dsherret): create seams and unit test this
@@ -30,7 +30,7 @@ use super::NpmCache;
 #[derive(Debug, Clone)]
 enum MemoryCacheItem {
   /// The cache item hasn't loaded yet.
-  PendingFuture(Shared<PendingRegistryLoadFuture>),
+  Pending(Arc<MultiRuntimeAsyncValueCreator<FutureResult>>),
   /// The item has loaded in the past and was stored in the file system cache.
   /// There is no reason to request this package from the npm registry again
   /// for the duration of execution.
@@ -48,7 +48,7 @@ enum FutureResult {
 }
 
 type PendingRegistryLoadFuture =
-  BoxFuture<'static, Result<FutureResult, Arc<AnyError>>>;
+  LocalBoxFuture<'static, Result<FutureResult, AnyError>>;
 
 /// Downloads packuments from the npm registry.
 ///
@@ -79,7 +79,7 @@ impl RegistryInfoDownloader {
   }
 
   pub async fn load_package_info(
-    &self,
+    self: &Arc<Self>,
     name: &str,
   ) -> Result<Option<Arc<NpmPackageInfo>>, AnyError> {
     let registry_url = self.npmrc.get_registry_url(name);
@@ -98,7 +98,7 @@ impl RegistryInfoDownloader {
   }
 
   async fn load_package_info_inner(
-    &self,
+    self: &Arc<Self>,
     name: &str,
     registry_url: &Url,
     registry_config: &RegistryConfig,
@@ -112,18 +112,20 @@ impl RegistryInfoDownloader {
       ));
     }
 
-    let (created, cache_item) = {
+    let cache_item = {
       let mut mem_cache = self.memory_cache.lock();
       if let Some(cache_item) = mem_cache.get(name) {
-        (false, cache_item.clone())
+        cache_item.clone()
       } else {
         let future =
           self.create_load_future(name, registry_url, registry_config);
-        let cache_item = MemoryCacheItem::PendingFuture(future);
+        let value_creator = MultiRuntimeAsyncValueCreator::new(future);
+        let cache_item = MemoryCacheItem::Pending(Arc::new(value_creator));
         mem_cache.insert(name.to_string(), cache_item.clone());
-        (true, cache_item)
+        cache_item
       }
     };
+
     match cache_item {
       MemoryCacheItem::FsCached => {
         // this struct previously loaded from the registry, so we can load it from the file system cache
@@ -135,8 +137,11 @@ impl RegistryInfoDownloader {
       MemoryCacheItem::MemoryCached(maybe_info) => {
         maybe_info.clone().map_err(|e| anyhow!("{}", e))
       }
-      MemoryCacheItem::PendingFuture(future) => {
+      MemoryCacheItem::Pending(value_creator) => {
-        if created {
+        let downloader = self.clone();
+        let future = value_creator.get(move || {
+          downloader.create_load_future(name, registry_url, registry_config)
+        });
         match future.await {
           Ok(FutureResult::SavedFsCache(info)) => {
             // return back the future and mark this package as having
@@ -163,14 +168,6 @@ impl RegistryInfoDownloader {
             Err(return_err)
           }
         }
-        } else {
-          match future.await {
-            Ok(FutureResult::SavedFsCache(info)) => Ok(Some(info)),
-            Ok(FutureResult::ErroredFsCache(info)) => Ok(Some(info)),
-            Ok(FutureResult::PackageNotExists) => Ok(None),
-            Err(err) => Err(anyhow!("{}", err)),
-          }
-        }
       }
     }
   }
@@ -203,23 +200,19 @@ impl RegistryInfoDownloader {
   }
 
   fn create_load_future(
-    &self,
+    self: &Arc<Self>,
     name: &str,
     registry_url: &Url,
     registry_config: &RegistryConfig,
-  ) -> Shared<PendingRegistryLoadFuture> {
+  ) -> PendingRegistryLoadFuture {
+    let downloader = self.clone();
     let package_url = self.get_package_url(name, registry_url);
     let maybe_auth_header = maybe_auth_header_for_npm_registry(registry_config);
     let guard = self.progress_bar.update(package_url.as_str());
-    let cache = self.cache.clone();
-    let http_client_provider = self.http_client_provider.clone();
     let name = name.to_string();
-    // force this future to be polled on the current runtime because it's not
+    async move {
-    // safe to share `HttpClient`s across runtimes and because a restart of
+      let maybe_bytes = downloader
-    // npm resolution might cause this package not to be resolved again
+        .http_client_provider
-    // causing the future to never be polled
-    deno_core::unsync::spawn(async move {
-      let maybe_bytes = http_client_provider
         .get_or_create()?
         .download_with_progress(package_url, maybe_auth_header, &guard)
         .await?;
@@ -228,7 +221,7 @@ impl RegistryInfoDownloader {
           let future_result = deno_core::unsync::spawn_blocking(
             move || -> Result<FutureResult, AnyError> {
               let package_info = serde_json::from_slice(&bytes)?;
-              match cache.save_package_info(&name, &package_info) {
+              match downloader.cache.save_package_info(&name, &package_info) {
                 Ok(()) => {
                   Ok(FutureResult::SavedFsCache(Arc::new(package_info)))
                 }
@@ -248,10 +241,8 @@ impl RegistryInfoDownloader {
         }
         None => Ok(FutureResult::PackageNotExists),
       }
-    })
+    }
-    .map(|result| result.unwrap().map_err(Arc::new))
+    .boxed_local()
-    .boxed()
-    .shared()
   }
 
   fn get_package_url(&self, name: &str, registry_url: &Url) -> Url {

cli/npm/managed/cache/tarball.rs

@@ -8,8 +8,7 @@ use deno_core::anyhow::bail;
 use deno_core::anyhow::Context;
 use deno_core::error::custom_error;
 use deno_core::error::AnyError;
-use deno_core::futures::future::BoxFuture;
+use deno_core::futures::future::LocalBoxFuture;
-use deno_core::futures::future::Shared;
 use deno_core::futures::FutureExt;
 use deno_core::parking_lot::Mutex;
 use deno_npm::npm_rc::ResolvedNpmRc;
@@ -24,6 +23,7 @@ use crate::util::progress_bar::ProgressBar;
 
 use super::tarball_extract::verify_and_extract_tarball;
 use super::tarball_extract::TarballExtractionMode;
+use super::value_creator::MultiRuntimeAsyncValueCreator;
 use super::NpmCache;
 
 // todo(dsherret): create seams and unit test this
@@ -31,7 +31,7 @@ use super::NpmCache;
 #[derive(Debug, Clone)]
 enum MemoryCacheItem {
   /// The cache item hasn't finished yet.
-  PendingFuture(Shared<BoxFuture<'static, Result<(), Arc<AnyError>>>>),
+  Pending(Arc<MultiRuntimeAsyncValueCreator<()>>),
   /// The result errored.
   Errored(Arc<AnyError>),
   /// This package has already been cached.
@@ -71,7 +71,7 @@ impl TarballCache {
   }
 
   pub async fn ensure_package(
-    &self,
+    self: &Arc<Self>,
     package: &PackageNv,
     dist: &NpmPackageVersionDistInfo,
   ) -> Result<(), AnyError> {
@@ -82,28 +82,34 @@ impl TarballCache {
   }
 
   async fn ensure_package_inner(
-    &self,
+    self: &Arc<Self>,
     package_nv: &PackageNv,
     dist: &NpmPackageVersionDistInfo,
   ) -> Result<(), AnyError> {
-    let (created, cache_item) = {
+    let cache_item = {
       let mut mem_cache = self.memory_cache.lock();
       if let Some(cache_item) = mem_cache.get(package_nv) {
-        (false, cache_item.clone())
+        cache_item.clone()
       } else {
         let future = self.create_setup_future(package_nv.clone(), dist.clone());
-        let cache_item = MemoryCacheItem::PendingFuture(future);
+        let value_creator = MultiRuntimeAsyncValueCreator::new(future);
+        let cache_item = MemoryCacheItem::Pending(Arc::new(value_creator));
         mem_cache.insert(package_nv.clone(), cache_item.clone());
-        (true, cache_item)
+        cache_item
       }
     };
 
     match cache_item {
       MemoryCacheItem::Cached => Ok(()),
       MemoryCacheItem::Errored(err) => Err(anyhow!("{}", err)),
-      MemoryCacheItem::PendingFuture(future) => {
+      MemoryCacheItem::Pending(creator) => {
-        if created {
+        let tarball_cache = self.clone();
-          match future.await {
+        let result = creator
+          .get(move || {
+            tarball_cache.create_setup_future(package_nv.clone(), dist.clone())
+          })
+          .await;
+        match result {
           Ok(_) => {
             *self.memory_cache.lock().get_mut(package_nv).unwrap() =
               MemoryCacheItem::Cached;
@@ -116,35 +122,27 @@ impl TarballCache {
             Err(result_err)
           }
         }
-        } else {
-          future.await.map_err(|err| anyhow!("{}", err))
-        }
       }
     }
   }
 
   fn create_setup_future(
-    &self,
+    self: &Arc<Self>,
     package_nv: PackageNv,
     dist: NpmPackageVersionDistInfo,
-  ) -> Shared<BoxFuture<'static, Result<(), Arc<AnyError>>>> {
+  ) -> LocalBoxFuture<'static, Result<(), AnyError>> {
-    let registry_url = self.npmrc.get_registry_url(&package_nv.name);
+    let tarball_cache = self.clone();
+    async move {
+      let registry_url = tarball_cache.npmrc.get_registry_url(&package_nv.name);
       let registry_config =
-      self.npmrc.get_registry_config(&package_nv.name).clone();
+        tarball_cache.npmrc.get_registry_config(&package_nv.name).clone();
-
-    let cache = self.cache.clone();
-    let fs = self.fs.clone();
-    let progress_bar = self.progress_bar.clone();
       let package_folder =
-      cache.package_folder_for_nv_and_url(&package_nv, registry_url);
+        tarball_cache.cache.package_folder_for_nv_and_url(&package_nv, registry_url);
-    let http_client_provider = self.http_client_provider.clone();
+      let should_use_cache = tarball_cache.cache.should_use_cache_for_package(&package_nv);
-
+      let package_folder_exists = tarball_cache.fs.exists_sync(&package_folder);
-    deno_core::unsync::spawn(async move {
-      let should_use_cache = cache.should_use_cache_for_package(&package_nv);
-      let package_folder_exists = fs.exists_sync(&package_folder);
       if should_use_cache && package_folder_exists {
         return Ok(());
-      } else if cache.cache_setting() == &CacheSetting::Only {
+      } else if tarball_cache.cache.cache_setting() == &CacheSetting::Only {
         return Err(custom_error(
           "NotCached",
           format!(
@@ -162,8 +160,9 @@ impl TarballCache {
       let maybe_auth_header =
         maybe_auth_header_for_npm_registry(&registry_config);
 
-      let guard = progress_bar.update(&dist.tarball);
+      let guard = tarball_cache.progress_bar.update(&dist.tarball);
-      let maybe_bytes = http_client_provider.get_or_create()?
+      let maybe_bytes = tarball_cache.http_client_provider
+        .get_or_create()?
         .download_with_progress(&dist.tarball, maybe_auth_header, &guard)
         .await?;
       match maybe_bytes {
@@ -198,9 +197,6 @@ impl TarballCache {
           bail!("Could not find npm package tarball at: {}", dist.tarball);
         }
       }
-    })
+    }.boxed_local()
-      .map(|result| result.unwrap().map_err(Arc::new))
-      .boxed()
-      .shared()
   }
 }

cli/npm/managed/cache/value_creator.rs

@@ -0,0 +1,101 @@
+// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
+
+use std::sync::Arc;
+
+use deno_core::error::AnyError;
+use deno_core::futures::future::BoxFuture;
+use deno_core::futures::future::LocalBoxFuture;
+use deno_core::futures::future::Shared;
+use deno_core::futures::FutureExt;
+use deno_core::parking_lot::Mutex;
+use tokio::task::JoinError;
+
+// todo(dsherret): unit test this
+
+type FutureResult<TResult> = Result<TResult, Arc<AnyError>>;
+type JoinResult<TResult> = Result<FutureResult<TResult>, Arc<JoinError>>;
+
+#[derive(Debug)]
+struct State<TResult> {
+  retry_index: usize,
+  future: Shared<BoxFuture<'static, JoinResult<TResult>>>,
+}
+
+/// Attempts to create a shared value asynchronously on one tokio runtime while
+/// many runtimes are requesting the value.
+///
+/// This is only useful when the value needs to get created once across
+/// many runtimes.
+///
+/// This handles the case where one tokio runtime goes down while another
+/// one is still running.
+#[derive(Debug)]
+pub struct MultiRuntimeAsyncValueCreator<TResult: Send + Clone + 'static> {
+  state: Mutex<State<TResult>>,
+}
+
+impl<TResult: Send + Clone + 'static> MultiRuntimeAsyncValueCreator<TResult> {
+  pub fn new(
+    future: LocalBoxFuture<'static, Result<TResult, AnyError>>,
+  ) -> Self {
+    Self {
+      state: Mutex::new(State {
+        retry_index: 0,
+        future: Self::create_shared_future(future),
+      }),
+    }
+  }
+
+  pub async fn get(
+    &self,
+    recreate_future: impl Fn() -> LocalBoxFuture<'static, Result<TResult, AnyError>>,
+  ) -> Result<TResult, Arc<AnyError>> {
+    let (mut future, mut retry_index) = {
+      let state = self.state.lock();
+      (state.future.clone(), state.retry_index)
+    };
+
+    loop {
+      let result = future.await;
+
+      match result {
+        Ok(result) => return result,
+        Err(join_error) => {
+          if join_error.is_cancelled() {
+            let mut state = self.state.lock();
+
+            if state.retry_index == retry_index {
+              // we were the first one to retry, so create a new future
+              // that we'll run from the current runtime
+              state.retry_index += 1;
+              state.future = Self::create_shared_future(recreate_future());
+            }
+
+            retry_index = state.retry_index;
+            future = state.future.clone();
+
+            // just in case we're stuck in a loop
+            if retry_index > 1000 {
+              panic!("Something went wrong.") // should never happen
+            }
+          } else {
+            panic!("{}", join_error);
+          }
+        }
+      }
+    }
+  }
+
+  fn create_shared_future(
+    future: LocalBoxFuture<'static, Result<TResult, AnyError>>,
+  ) -> Shared<BoxFuture<'static, JoinResult<TResult>>> {
+    deno_core::unsync::spawn(future)
+      .map(|result| match result {
+        Ok(Ok(value)) => Ok(Ok(value)),
+        Ok(Err(err)) => Ok(Err(Arc::new(err))),
+        Err(err) => Err(Arc::new(err)),
+      })
+      .boxed()
+      .shared()
+  }
+}

cli/npm/managed/installer.rs

@@ -105,7 +105,8 @@ impl PackageJsonDepsInstaller {
       let (req, info) = result?;
       let result = inner
         .npm_resolution
-        .resolve_pkg_req_as_pending_with_info(req, &info);
+        .resolve_pkg_req_as_pending_with_info(req, &info)
+        .await;
       if let Err(err) = result {
         if inner.npm_registry_api.mark_force_reload() {
           log::debug!("Failed to resolve package. Retrying. Error: {err:#}");

cli/npm/managed/mod.rs

@@ -11,8 +11,9 @@ use deno_core::anyhow::Context;
 use deno_core::error::AnyError;
 use deno_core::parking_lot::Mutex;
 use deno_core::serde_json;
-use deno_graph::NpmPackageReqResolution;
+use deno_graph::NpmPackageReqsResolution;
 use deno_npm::npm_rc::ResolvedNpmRc;
+use deno_npm::registry::NpmPackageInfo;
 use deno_npm::registry::NpmRegistryApi;
 use deno_npm::resolution::NpmResolutionSnapshot;
 use deno_npm::resolution::PackageReqNotFoundError;
@@ -203,12 +204,12 @@ fn create_api(
 ) -> Arc<CliNpmRegistryApi> {
   Arc::new(CliNpmRegistryApi::new(
     npm_cache.clone(),
-    RegistryInfoDownloader::new(
+    Arc::new(RegistryInfoDownloader::new(
       npm_cache,
       options.http_client_provider.clone(),
       options.npmrc.clone(),
       options.text_only_progress_bar.clone(),
-    ),
+    )),
   ))
 }
 
@@ -387,11 +388,6 @@ impl ManagedCliNpmResolver {
     self.resolution.add_package_reqs(packages).await?;
     self.fs_resolver.cache_packages().await?;
 
-    // If there's a lock file, update it with all discovered npm packages
-    if let Some(lockfile) = &self.maybe_lockfile {
-      self.lock(&mut lockfile.lock());
-    }
-
     Ok(())
   }
 
@@ -418,10 +414,6 @@ impl ManagedCliNpmResolver {
       .serialized_valid_snapshot_for_system(system_info)
   }
 
-  pub fn lock(&self, lockfile: &mut Lockfile) {
-    self.resolution.lock(lockfile)
-  }
-
   pub async fn inject_synthetic_types_node_package(
     &self,
   ) -> Result<(), AnyError> {
@@ -442,26 +434,34 @@ impl ManagedCliNpmResolver {
     self.fs_resolver.cache_packages().await
   }
 
-  /// Resolves a package requirement for deno graph. This should only be
+  /// Resolves package requirements for deno graph.
-  /// called by deno_graph's NpmResolver or for resolving packages in
+  pub async fn resolve_npm_for_deno_graph(
-  /// a package.json
-  pub fn resolve_npm_for_deno_graph(
     &self,
-    pkg_req: &PackageReq,
+    reqs_with_pkg_infos: &[(&PackageReq, Arc<NpmPackageInfo>)],
-  ) -> NpmPackageReqResolution {
+  ) -> NpmPackageReqsResolution {
-    let result = self.resolution.resolve_pkg_req_as_pending(pkg_req);
+    let results = self
+      .resolution
+      .resolve_pkg_reqs_as_pending_with_info(reqs_with_pkg_infos)
+      .await;
+
+    let mut resolutions = Vec::with_capacity(results.len());
+    for result in results {
       match result {
-      Ok(nv) => NpmPackageReqResolution::Ok(nv),
+        Ok(nv) => {
+          resolutions.push(Ok(nv));
+        }
         Err(err) => {
           if self.npm_api.mark_force_reload() {
             log::debug!("Restarting npm specifier resolution to check for new registry information. Error: {:#}", err);
-          NpmPackageReqResolution::ReloadRegistryInfo(err.into())
+            return NpmPackageReqsResolution::ReloadRegistryInfo;
           } else {
-          NpmPackageReqResolution::Err(err.into())
+            resolutions.push(Err(Arc::new(err.into())));
           }
         }
       }
     }
+    NpmPackageReqsResolution::Resolutions(resolutions)
+  }
 
   pub fn resolve_pkg_folder_from_deno_module(
     &self,
@@ -490,13 +490,12 @@ impl ManagedCliNpmResolver {
   pub async fn cache_package_info(
     &self,
     package_name: &str,
-  ) -> Result<(), AnyError> {
+  ) -> Result<Arc<NpmPackageInfo>, AnyError> {
     // this will internally cache the package information
     self
       .npm_api
       .package_info(package_name)
       .await
-      .map(|_| ())
       .map_err(|err| err.into())
   }
 

cli/npm/managed/registry.rs

@@ -21,14 +21,13 @@ use crate::util::sync::AtomicFlag;
 use super::cache::NpmCache;
 use super::cache::RegistryInfoDownloader;
 
-// todo(dsherret): make this per worker
 #[derive(Debug)]
 pub struct CliNpmRegistryApi(Option<Arc<CliNpmRegistryApiInner>>);
 
 impl CliNpmRegistryApi {
   pub fn new(
     cache: Arc<NpmCache>,
-    registry_info_downloader: RegistryInfoDownloader,
+    registry_info_downloader: Arc<RegistryInfoDownloader>,
   ) -> Self {
     Self(Some(Arc::new(CliNpmRegistryApiInner {
       cache,
@@ -44,13 +43,6 @@ impl CliNpmRegistryApi {
     self.inner().clear_memory_cache();
   }
 
-  pub fn get_cached_package_info(
-    &self,
-    name: &str,
-  ) -> Option<Arc<NpmPackageInfo>> {
-    self.inner().get_cached_package_info(name)
-  }
-
   fn inner(&self) -> &Arc<CliNpmRegistryApiInner> {
     // this panicking indicates a bug in the code where this
     // wasn't initialized
@@ -76,20 +68,7 @@ impl NpmRegistryApi for CliNpmRegistryApi {
   }
 
   fn mark_force_reload(&self) -> bool {
-    // never force reload the registry information if reloading
+    self.inner().mark_force_reload()
-    // is disabled or if we're already reloading
-    if matches!(
-      self.inner().cache.cache_setting(),
-      CacheSetting::Only | CacheSetting::ReloadAll
-    ) {
-      return false;
-    }
-    if self.inner().force_reload_flag.raise() {
-      self.clear_memory_cache(); // clear the cache to force reloading
-      true
-    } else {
-      false
-    }
   }
 }
 
@@ -108,7 +87,7 @@ struct CliNpmRegistryApiInner {
   force_reload_flag: AtomicFlag,
   mem_cache: Mutex<HashMap<String, CacheItem>>,
   previously_reloaded_packages: Mutex<HashSet<String>>,
-  registry_info_downloader: RegistryInfoDownloader,
+  registry_info_downloader: Arc<RegistryInfoDownloader>,
 }
 
 impl CliNpmRegistryApiInner {
@@ -128,7 +107,7 @@ impl CliNpmRegistryApiInner {
             let api = self.clone();
             let name = name.to_string();
             async move {
-              if (api.cache.cache_setting().should_use_for_npm_package(&name) && !api.force_reload())
+              if (api.cache.cache_setting().should_use_for_npm_package(&name) && !api.force_reload_flag.is_raised())
                 // if this has been previously reloaded, then try loading from the
                 // file system cache
                 || !api.previously_reloaded_packages.lock().insert(name.to_string())
@@ -175,8 +154,21 @@ impl CliNpmRegistryApiInner {
     }
   }
 
-  fn force_reload(&self) -> bool {
+  fn mark_force_reload(&self) -> bool {
-    self.force_reload_flag.is_raised()
+    // never force reload the registry information if reloading
+    // is disabled or if we're already reloading
+    if matches!(
+      self.cache.cache_setting(),
+      CacheSetting::Only | CacheSetting::ReloadAll
+    ) {
+      return false;
+    }
+    if self.force_reload_flag.raise() {
+      self.clear_memory_cache();
+      true
+    } else {
+      false
+    }
   }
 
   async fn load_file_cached_package_info(
@@ -205,16 +197,4 @@ impl CliNpmRegistryApiInner {
   fn clear_memory_cache(&self) {
     self.mem_cache.lock().clear();
   }
-
-  pub fn get_cached_package_info(
-    &self,
-    name: &str,
-  ) -> Option<Arc<NpmPackageInfo>> {
-    let mem_cache = self.mem_cache.lock();
-    if let Some(CacheItem::Resolved(maybe_info)) = mem_cache.get(name) {
-      maybe_info.clone()
-    } else {
-      None
-    }
-  }
 }

cli/npm/managed/resolution.rs

@@ -223,34 +223,42 @@ impl NpmResolution {
   /// Resolves a package requirement for deno graph. This should only be
   /// called by deno_graph's NpmResolver or for resolving packages in
   /// a package.json
-  pub fn resolve_pkg_req_as_pending(
+  pub async fn resolve_pkg_req_as_pending_with_info(
     &self,
     pkg_req: &PackageReq,
+    pkg_info: &NpmPackageInfo,
   ) -> Result<PackageNv, NpmPackageVersionResolutionError> {
-    // we should always have this because it should have been cached before here
+    debug_assert_eq!(pkg_req.name, pkg_info.name);
-    let package_info = self.api.get_cached_package_info(&pkg_req.name).unwrap();
+    let _permit = self.update_queue.acquire().await;
-    self.resolve_pkg_req_as_pending_with_info(pkg_req, &package_info)
-  }
-
-  /// Resolves a package requirement for deno graph. This should only be
-  /// called by deno_graph's NpmResolver or for resolving packages in
-  /// a package.json
-  pub fn resolve_pkg_req_as_pending_with_info(
-    &self,
-    pkg_req: &PackageReq,
-    package_info: &NpmPackageInfo,
-  ) -> Result<PackageNv, NpmPackageVersionResolutionError> {
-    debug_assert_eq!(pkg_req.name, package_info.name);
     let mut snapshot = self.snapshot.write();
     let pending_resolver = get_npm_pending_resolver(&self.api);
     let nv = pending_resolver.resolve_package_req_as_pending(
       &mut snapshot,
       pkg_req,
-      package_info,
+      pkg_info,
     )?;
     Ok(nv)
   }
 
+  pub async fn resolve_pkg_reqs_as_pending_with_info(
+    &self,
+    reqs_with_pkg_infos: &[(&PackageReq, Arc<NpmPackageInfo>)],
+  ) -> Vec<Result<PackageNv, NpmPackageVersionResolutionError>> {
+    let _permit = self.update_queue.acquire().await;
+    let mut snapshot = self.snapshot.write();
+    let pending_resolver = get_npm_pending_resolver(&self.api);
+    let mut results = Vec::with_capacity(reqs_with_pkg_infos.len());
+    for (pkg_req, pkg_info) in reqs_with_pkg_infos {
+      debug_assert_eq!(pkg_req.name, pkg_info.name);
+      results.push(pending_resolver.resolve_package_req_as_pending(
+        &mut snapshot,
+        pkg_req,
+        pkg_info,
+      ));
+    }
+    results
+  }
+
   pub fn package_reqs(&self) -> HashMap<PackageReq, PackageNv> {
     self.snapshot.read().package_reqs().clone()
   }
@@ -291,11 +299,6 @@ impl NpmResolution {
       .read()
       .as_valid_serialized_for_system(system_info)
   }
-
-  pub fn lock(&self, lockfile: &mut Lockfile) {
-    let snapshot = self.snapshot.read();
-    populate_lockfile_from_snapshot(lockfile, &snapshot)
-  }
 }
 
 async fn add_package_reqs_to_snapshot(
@@ -370,6 +373,7 @@ fn populate_lockfile_from_snapshot(
   lockfile: &mut Lockfile,
   snapshot: &NpmResolutionSnapshot,
 ) {
+  assert!(!snapshot.has_pending());
   for (package_req, nv) in snapshot.package_reqs() {
     lockfile.insert_package_specifier(
       format!("npm:{}", package_req),

cli/resolver.rs

@@ -1,5 +1,6 @@
 // Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
 
+use async_trait::async_trait;
 use dashmap::DashMap;
 use dashmap::DashSet;
 use deno_ast::MediaType;
@@ -9,15 +10,15 @@ use deno_core::error::AnyError;
 use deno_core::futures::future;
 use deno_core::futures::future::LocalBoxFuture;
 use deno_core::futures::FutureExt;
-use deno_core::ModuleCodeString;
+use deno_core::ModuleSourceCode;
 use deno_core::ModuleSpecifier;
-use deno_graph::source::NpmPackageReqResolution;
-use deno_graph::source::NpmResolver;
 use deno_graph::source::ResolutionMode;
 use deno_graph::source::ResolveError;
 use deno_graph::source::Resolver;
 use deno_graph::source::UnknownBuiltInNodeModuleError;
 use deno_graph::source::DEFAULT_JSX_IMPORT_SOURCE_MODULE;
+use deno_graph::NpmPackageReqsResolution;
+use deno_npm::registry::NpmPackageInfo;
 use deno_runtime::deno_fs;
 use deno_runtime::deno_fs::FileSystem;
 use deno_runtime::deno_node::is_builtin_node_module;
@@ -34,6 +35,8 @@ use deno_semver::npm::NpmPackageReqReference;
 use deno_semver::package::PackageReq;
 use import_map::ImportMap;
 use std::borrow::Cow;
+use std::cell::RefCell;
+use std::collections::HashMap;
 use std::path::Path;
 use std::path::PathBuf;
 use std::rc::Rc;
@@ -60,7 +63,7 @@ pub fn format_range_with_colors(range: &deno_graph::Range) -> String {
 }
 
 pub struct ModuleCodeStringSource {
-  pub code: ModuleCodeString,
+  pub code: ModuleSourceCode,
   pub found_url: ModuleSpecifier,
   pub media_type: MediaType,
 }
@@ -293,7 +296,7 @@ impl NpmModuleLoader {
     let file_path = specifier.to_file_path().unwrap();
     let code = self
       .fs
-      .read_text_file_async(file_path.clone(), None)
+      .read_file_async(file_path.clone(), None)
       .await
       .map_err(AnyError::from)
       .with_context(|| {
@@ -329,16 +332,20 @@ impl NpmModuleLoader {
 
     let code = if self.cjs_resolutions.contains(specifier) {
       // translate cjs to esm if it's cjs and inject node globals
+      let code = String::from_utf8(code)?;
+      ModuleSourceCode::String(
         self
           .node_code_translator
           .translate_cjs_to_esm(specifier, Some(code), permissions)
           .await?
+          .into(),
+      )
     } else {
       // esm and json code is untouched
-      code
+      ModuleSourceCode::Bytes(code.into_boxed_slice().into())
     };
     Ok(ModuleCodeStringSource {
-      code: code.into(),
+      code,
       found_url: specifier.clone(),
       media_type: MediaType::from_specifier(specifier),
     })
@@ -498,8 +505,12 @@ impl CliGraphResolver {
     self
   }
 
-  pub fn as_graph_npm_resolver(&self) -> &dyn NpmResolver {
+  pub fn create_graph_npm_resolver(&self) -> WorkerCliNpmGraphResolver {
-    self
+    WorkerCliNpmGraphResolver {
+      npm_resolver: self.npm_resolver.as_ref(),
+      memory_cache: Default::default(),
+      bare_node_builtins_enabled: self.bare_node_builtins_enabled,
+    }
   }
 
   pub fn found_package_json_dep(&self) -> bool {
@@ -782,7 +793,17 @@ fn resolve_package_json_dep(
   Ok(None)
 }
 
-impl NpmResolver for CliGraphResolver {
+#[derive(Debug)]
+pub struct WorkerCliNpmGraphResolver<'a> {
+  npm_resolver: Option<&'a Arc<dyn CliNpmResolver>>,
+  // use a cache per worker so that another worker doesn't clear the
+  // cache of another worker
+  memory_cache: Rc<RefCell<HashMap<String, Arc<NpmPackageInfo>>>>,
+  bare_node_builtins_enabled: bool,
+}
+
+#[async_trait(?Send)]
+impl<'a> deno_graph::source::NpmResolver for WorkerCliNpmGraphResolver<'a> {
   fn resolve_builtin_node_module(
     &self,
     specifier: &ModuleSpecifier,
@@ -818,17 +839,20 @@ impl NpmResolver for CliGraphResolver {
     &self,
     package_name: &str,
   ) -> LocalBoxFuture<'static, Result<(), AnyError>> {
-    match &self.npm_resolver {
+    match self.npm_resolver {
       Some(npm_resolver) if npm_resolver.as_managed().is_some() => {
-        let package_name = package_name.to_string();
         let npm_resolver = npm_resolver.clone();
+        let package_name = package_name.to_string();
+        let memory_cache = self.memory_cache.clone();
         async move {
           if let Some(managed) = npm_resolver.as_managed() {
+            let package_info =
               managed.cache_package_info(&package_name).await?;
+            memory_cache.borrow_mut().insert(package_name, package_info);
           }
           Ok(())
         }
-        .boxed()
+        .boxed_local()
       }
       _ => {
         // return it succeeded and error at the import site below
@@ -837,19 +861,50 @@ impl NpmResolver for CliGraphResolver {
     }
   }
 
-  fn resolve_npm(&self, package_req: &PackageReq) -> NpmPackageReqResolution {
+  async fn resolve_pkg_reqs(
+    &self,
+    package_reqs: &[&PackageReq],
+  ) -> NpmPackageReqsResolution {
     match &self.npm_resolver {
-      Some(npm_resolver) => match npm_resolver.as_inner() {
+      Some(npm_resolver) => {
-        InnerCliNpmResolverRef::Managed(npm_resolver) => {
+        let npm_resolver = match npm_resolver.as_inner() {
-          npm_resolver.resolve_npm_for_deno_graph(package_req)
+          InnerCliNpmResolverRef::Managed(npm_resolver) => npm_resolver,
-        }
           // if we are using byonm, then this should never be called because
           // we don't use deno_graph's npm resolution in this case
           InnerCliNpmResolverRef::Byonm(_) => unreachable!(),
-      },
+        };
-      None => NpmPackageReqResolution::Err(anyhow!(
+
+        let reqs_with_package_infos = {
+          let memory_cache = self.memory_cache.borrow();
+          package_reqs
+            .iter()
+            .map(|package_req| {
+              let package_info = memory_cache
+                .get(&package_req.name)
+                .unwrap() // ok because deno_graph would have called load_and_cache_npm_package_info
+                .clone();
+              (*package_req, package_info)
+            })
+            .collect::<Vec<_>>()
+        };
+        let result = npm_resolver
+          .resolve_npm_for_deno_graph(&reqs_with_package_infos)
+          .await;
+        if matches!(result, NpmPackageReqsResolution::ReloadRegistryInfo) {
+          self.memory_cache.borrow_mut().clear();
+        }
+        result
+      }
+      None => NpmPackageReqsResolution::Resolutions(
+        package_reqs
+          .iter()
+          .map(|_| {
+            Err(Arc::new(anyhow!(
               "npm specifiers were requested; but --no-npm is specified"
-      )),
+            )))
+          })
+          .collect(),
+      ),
     }
   }
 

cli/standalone/mod.rs

@@ -218,7 +218,7 @@ impl ModuleLoader for EmbeddedModuleLoader {
               MediaType::Json => ModuleType::Json,
               _ => ModuleType::JavaScript,
             },
-            ModuleSourceCode::String(code_source.code),
+            code_source.code,
             &original_specifier,
             &code_source.found_url,
             None,

cli/tools/bench/mod.rs

@@ -506,14 +506,14 @@ pub async fn run_benchmarks_with_watch(
         let bench_modules_to_reload = if let Some(changed_paths) = changed_paths
         {
           let changed_paths = changed_paths.into_iter().collect::<HashSet<_>>();
-          let mut result = Vec::new();
+          let mut result = IndexSet::with_capacity(bench_modules.len());
           for bench_module_specifier in bench_modules {
             if has_graph_root_local_dependent_changed(
               &graph,
               bench_module_specifier,
               &changed_paths,
             ) {
-              result.push(bench_module_specifier.clone());
+              result.insert(bench_module_specifier.clone());
             }
           }
           result

cli/tools/coverage/mod.rs

@@ -25,7 +25,6 @@ use deno_core::serde_json;
 use deno_core::sourcemap::SourceMap;
 use deno_core::url::Url;
 use deno_core::LocalInspectorSession;
-use deno_core::ModuleCodeString;
 use regex::Regex;
 use std::fs;
 use std::fs::File;
@@ -565,7 +564,7 @@ pub async fn cover_files(
       | MediaType::Cjs
       | MediaType::Mjs
       | MediaType::Json => None,
-      MediaType::Dts | MediaType::Dmts | MediaType::Dcts => Some(String::new()),
+      MediaType::Dts | MediaType::Dmts | MediaType::Dcts => Some(Vec::new()),
       MediaType::TypeScript
       | MediaType::Jsx
       | MediaType::Mts
@@ -586,11 +585,13 @@ pub async fn cover_files(
         unreachable!()
       }
     };
-    let runtime_code: ModuleCodeString = transpiled_code
+    let runtime_code: String = match transpiled_code {
-      .map(|c| c.into())
+      Some(code) => String::from_utf8(code)
-      .unwrap_or_else(|| original_source.clone().into());
+        .with_context(|| format!("Failed decoding {}", file.specifier))?,
+      None => original_source.to_string(),
+    };
 
-    let source_map = source_map_from_code(&runtime_code);
+    let source_map = source_map_from_code(runtime_code.as_bytes());
     let coverage_report = generate_coverage_report(
       &script_coverage,
       runtime_code.as_str().to_owned(),

cli/tools/doc.rs

@@ -350,7 +350,7 @@ fn check_diagnostics(diagnostics: &[DocDiagnostic]) -> Result<(), AnyError> {
     for (_, diagnostics_by_col) in diagnostics_by_lc {
       for (_, diagnostics) in diagnostics_by_col {
         for diagnostic in diagnostics {
-          log::error!("{}", diagnostic.display());
+          log::error!("{}\n", diagnostic.display());
         }
       }
     }

cli/tools/fmt.rs

@@ -211,7 +211,7 @@ fn format_markdown(
           codeblock_config.line_width = line_width;
           dprint_plugin_typescript::format_text(
             &fake_filename,
-            text,
+            text.to_string(),
             &codeblock_config,
           )
         }
@@ -255,7 +255,11 @@ pub fn format_file(
     ),
     _ => {
       let config = get_resolved_typescript_config(fmt_options);
-      dprint_plugin_typescript::format_text(file_path, file_text, &config)
+      dprint_plugin_typescript::format_text(
+        file_path,
+        file_text.to_string(),
+        &config,
+      )
     }
   }
 }

cli/tools/lint/mod.rs

@@ -244,7 +244,7 @@ async fn lint_files(
               incremental_cache.update_file(
                 &file_path,
                 // ensure the returned text is used here as it may have been modified via --fix
-                file_source.text_info().text_str(),
+                file_source.text(),
               )
             }
           }
@@ -396,7 +396,7 @@ fn lint_file_and_fix(
       media_type,
       linter,
       config.clone(),
-      source.text_info(),
+      source.text_info_lazy(),
       &diagnostics,
     )?;
     match change {
@@ -423,7 +423,7 @@ fn lint_file_and_fix(
 
   if fix_iterations > 0 {
     // everything looks good and the file still parses, so write it out
-    fs::write(file_path, source.text_info().text_str())
+    fs::write(file_path, source.text().as_ref())
       .context("Failed writing fix to file.")?;
   }
 
@@ -668,7 +668,7 @@ impl LintReporter for PrettyLintReporter {
       }
     }
 
-    log::error!("{}", d.display());
+    log::error!("{}\n", d.display());
   }
 
   fn visit_error(&mut self, file_path: &str, err: &AnyError) {

cli/tools/registry/diagnostics.rs

@@ -40,11 +40,7 @@ impl PublishDiagnosticsCollector {
     diagnostics.sort_by_cached_key(|d| d.sorting_key());
 
     for diagnostic in diagnostics {
-      // todo(https://github.com/denoland/deno_ast/issues/245): use log crate here
+      log::error!("{}", diagnostic.display());
-      #[allow(clippy::print_stderr)]
-      {
-        eprint!("{}", diagnostic.display());
-      }
       if matches!(diagnostic.level(), DiagnosticLevel::Error) {
         errors += 1;
       }
@@ -287,7 +283,7 @@ impl Diagnostic for PublishDiagnostic {
 
       Some(DiagnosticSnippet {
         source: Cow::Borrowed(text_info),
-        highlight: DiagnosticSnippetHighlight {
+        highlights: vec![DiagnosticSnippetHighlight {
           style: DiagnosticSnippetHighlightStyle::Error,
           range: DiagnosticSourceRange {
             start: DiagnosticSourcePos::LineAndCol {
@@ -300,7 +296,7 @@ impl Diagnostic for PublishDiagnostic {
             },
           },
           description: Some("the specifier".into()),
-        },
+        }],
       })
     }
 
@@ -314,14 +310,14 @@ impl Diagnostic for PublishDiagnostic {
           ..
         } => Some(DiagnosticSnippet {
           source: Cow::Borrowed(text_info),
-          highlight: DiagnosticSnippetHighlight {
+          highlights: vec![DiagnosticSnippetHighlight {
             style: DiagnosticSnippetHighlightStyle::Warning,
             range: DiagnosticSourceRange {
               start: DiagnosticSourcePos::SourcePos(range.start),
               end: DiagnosticSourcePos::SourcePos(range.end),
             },
             description: Some("the unanalyzable dynamic import".into()),
-          },
+          }],
         }),
       },
       InvalidPath { .. } => None,
@@ -343,14 +339,14 @@ impl Diagnostic for PublishDiagnostic {
         range, text_info, ..
       } => Some(DiagnosticSnippet {
         source: Cow::Borrowed(text_info),
-        highlight: DiagnosticSnippetHighlight {
+        highlights: vec![DiagnosticSnippetHighlight {
           style: DiagnosticSnippetHighlightStyle::Error,
           range: DiagnosticSourceRange {
             start: DiagnosticSourcePos::SourcePos(range.start),
             end: DiagnosticSourcePos::SourcePos(range.end),
           },
           description: Some("the triple slash directive".into()),
-        },
+        }],
       }),
     }
   }
@@ -398,14 +394,14 @@ impl Diagnostic for PublishDiagnostic {
             let end = replacement.line_end(0);
             Some(DiagnosticSnippet {
               source: Cow::Owned(replacement),
-              highlight: DiagnosticSnippetHighlight {
+              highlights: vec![DiagnosticSnippetHighlight {
                 style: DiagnosticSnippetHighlightStyle::Hint,
                 range: DiagnosticSourceRange {
                   start: DiagnosticSourcePos::SourcePos(start),
                   end: DiagnosticSourcePos::SourcePos(end),
                 },
                 description: Some("try this specifier".into()),
-              },
+              }],
             })
           }
           None => None,

cli/tools/registry/graph.rs

@@ -130,7 +130,7 @@ impl GraphDiagnosticsCollector {
       prefer_fast_check_graph: false,
       follow_type_only: true,
     };
-    let mut iter = graph.walk(&graph.roots, options);
+    let mut iter = graph.walk(graph.roots.iter(), options);
     while let Some((specifier, entry)) = iter.next() {
       if skip_specifiers.contains(specifier) {
         iter.skip_previous_dependencies();
@@ -196,7 +196,7 @@ fn check_for_banned_triple_slash_directives(
         PublishDiagnostic::BannedTripleSlashDirectives {
           specifier: parsed_source.specifier().clone(),
           range: comment.range(),
-          text_info: parsed_source.text_info().clone(),
+          text_info: parsed_source.text_info_lazy().clone(),
         },
       );
     }

cli/tools/registry/tar.rs

@@ -126,7 +126,7 @@ fn resolve_content_maybe_unfurling(
       let text = String::from_utf8(data)?;
       deno_ast::parse_module(deno_ast::ParseParams {
         specifier: specifier.clone(),
-        text_info: deno_ast::SourceTextInfo::from_string(text),
+        text: text.into(),
         media_type,
         capture_tokens: false,
         maybe_syntax: None,

cli/tools/registry/unfurl.rs

@@ -121,16 +121,15 @@ impl<'a> SpecifierUnfurler<'a> {
   fn try_unfurl_dynamic_dep(
     &self,
     module_url: &lsp_types::Url,
-    parsed_source: &ParsedSource,
+    text_info: &SourceTextInfo,
     dep: &deno_graph::DynamicDependencyDescriptor,
     text_changes: &mut Vec<deno_ast::TextChange>,
   ) -> bool {
     match &dep.argument {
       deno_graph::DynamicArgument::String(specifier) => {
-        let range = to_range(parsed_source, &dep.argument_range);
+        let range = to_range(text_info, &dep.argument_range);
-        let maybe_relative_index = parsed_source.text_info().text_str()
+        let maybe_relative_index =
-          [range.start..range.end]
+          text_info.text_str()[range.start..range.end].find(specifier);
-          .find(specifier);
         let Some(relative_index) = maybe_relative_index else {
           return true; // always say it's analyzable for a string
         };
@@ -159,9 +158,9 @@ impl<'a> SpecifierUnfurler<'a> {
           let Some(unfurled) = unfurled else {
             return true; // nothing to unfurl
           };
-          let range = to_range(parsed_source, &dep.argument_range);
+          let range = to_range(text_info, &dep.argument_range);
           let maybe_relative_index =
-            parsed_source.text_info().text_str()[range.start..].find(specifier);
+            text_info.text_str()[range.start..].find(specifier);
           let Some(relative_index) = maybe_relative_index else {
             return false;
           };
@@ -192,6 +191,7 @@ impl<'a> SpecifierUnfurler<'a> {
     diagnostic_reporter: &mut dyn FnMut(SpecifierUnfurlerDiagnostic),
   ) -> String {
     let mut text_changes = Vec::new();
+    let text_info = parsed_source.text_info_lazy();
     let module_info = ParserModuleAnalyzer::module_info(parsed_source);
     let analyze_specifier =
       |specifier: &str,
@@ -199,7 +199,7 @@ impl<'a> SpecifierUnfurler<'a> {
        text_changes: &mut Vec<deno_ast::TextChange>| {
         if let Some(unfurled) = self.unfurl_specifier(url, specifier) {
           text_changes.push(deno_ast::TextChange {
-            range: to_range(parsed_source, range),
+            range: to_range(text_info, range),
             new_text: unfurled,
           });
         }
@@ -214,27 +214,19 @@ impl<'a> SpecifierUnfurler<'a> {
           );
         }
         DependencyDescriptor::Dynamic(dep) => {
-          let success = self.try_unfurl_dynamic_dep(
+          let success =
-            url,
+            self.try_unfurl_dynamic_dep(url, text_info, dep, &mut text_changes);
-            parsed_source,
-            dep,
-            &mut text_changes,
-          );
 
           if !success {
-            let start_pos = parsed_source
+            let start_pos = text_info.line_start(dep.argument_range.start.line)
-              .text_info()
-              .line_start(dep.argument_range.start.line)
               + dep.argument_range.start.character;
-            let end_pos = parsed_source
+            let end_pos = text_info.line_start(dep.argument_range.end.line)
-              .text_info()
-              .line_start(dep.argument_range.end.line)
               + dep.argument_range.end.character;
             diagnostic_reporter(
               SpecifierUnfurlerDiagnostic::UnanalyzableDynamicImport {
                 specifier: url.to_owned(),
                 range: SourceRange::new(start_pos, end_pos),
-                text_info: parsed_source.text_info().clone(),
+                text_info: text_info.clone(),
               },
             );
           }
@@ -267,10 +259,8 @@ impl<'a> SpecifierUnfurler<'a> {
       );
     }
 
-    let rewritten_text = deno_ast::apply_text_changes(
+    let rewritten_text =
-      parsed_source.text_info().text_str(),
+      deno_ast::apply_text_changes(text_info.text_str(), text_changes);
-      text_changes,
-    );
     rewritten_text
   }
 }
@@ -295,13 +285,13 @@ fn relative_url(
 }
 
 fn to_range(
-  parsed_source: &ParsedSource,
+  text_info: &SourceTextInfo,
   range: &deno_graph::PositionRange,
 ) -> std::ops::Range<usize> {
   let mut range = range
-    .as_source_range(parsed_source.text_info())
+    .as_source_range(text_info)
-    .as_byte_range(parsed_source.text_info().range().start);
+    .as_byte_range(text_info.range().start);
-  let text = &parsed_source.text_info().text_str()[range.clone()];
+  let text = &text_info.text_str()[range.clone()];
   if text.starts_with('"') || text.starts_with('\'') {
     range.start += 1;
   }
@@ -338,7 +328,7 @@ mod tests {
       capture_tokens: false,
       maybe_syntax: None,
       scope_analysis: false,
-      text_info: deno_ast::SourceTextInfo::new(source_code.into()),
+      text: source_code.into(),
     })
     .unwrap()
   }

cli/tools/repl/session.rs

@@ -639,10 +639,11 @@ impl ReplSession {
           source_map: deno_ast::SourceMapOption::None,
           source_map_file: None,
           inline_sources: false,
-          keep_comments: false,
+          remove_comments: false,
         },
       )?
       .into_source()
+      .into_string()?
       .text;
 
     let value = self
@@ -817,7 +818,7 @@ fn parse_source_as(
 
   let parsed = deno_ast::parse_module(deno_ast::ParseParams {
     specifier,
-    text_info: deno_ast::SourceTextInfo::from_string(source),
+    text: source.into(),
     media_type,
     capture_tokens: true,
     maybe_syntax: None,
@@ -884,7 +885,7 @@ fn analyze_jsx_pragmas(
           range: comment_source_to_position_range(
             c.start(),
             &m,
-            parsed_source.text_info(),
+            parsed_source.text_info_lazy(),
             true,
           ),
         });
@@ -898,7 +899,7 @@ fn analyze_jsx_pragmas(
           range: comment_source_to_position_range(
             c.start(),
             &m,
-            parsed_source.text_info(),
+            parsed_source.text_info_lazy(),
             false,
           ),
         });
@@ -912,7 +913,7 @@ fn analyze_jsx_pragmas(
           range: comment_source_to_position_range(
             c.start(),
             &m,
-            parsed_source.text_info(),
+            parsed_source.text_info_lazy(),
             false,
           ),
         });

cli/tools/test/mod.rs

@@ -1249,7 +1249,7 @@ fn extract_files_from_source_comments(
 ) -> Result<Vec<File>, AnyError> {
   let parsed_source = deno_ast::parse_module(deno_ast::ParseParams {
     specifier: specifier.clone(),
-    text_info: deno_ast::SourceTextInfo::new(source),
+    text: source,
     media_type,
     capture_tokens: false,
     maybe_syntax: None,
@@ -1273,7 +1273,7 @@ fn extract_files_from_source_comments(
         specifier,
         &comment.text,
         media_type,
-        parsed_source.text_info().line_index(comment.start()),
+        parsed_source.text_info_lazy().line_index(comment.start()),
         blocks_regex,
         lines_regex,
       )
@@ -1877,7 +1877,7 @@ pub async fn run_tests_with_watch(
 
         let test_modules_to_reload = if let Some(changed_paths) = changed_paths
         {
-          let mut result = Vec::new();
+          let mut result = IndexSet::with_capacity(test_modules.len());
           let changed_paths = changed_paths.into_iter().collect::<HashSet<_>>();
           for test_module_specifier in test_modules {
             if has_graph_root_local_dependent_changed(
@@ -1885,7 +1885,7 @@ pub async fn run_tests_with_watch(
               test_module_specifier,
               &changed_paths,
             ) {
-              result.push(test_module_specifier.clone());
+              result.insert(test_module_specifier.clone());
             }
           }
           result

cli/tools/vendor/analyze.rs

@@ -64,7 +64,6 @@ mod test {
   use deno_ast::ModuleSpecifier;
   use deno_ast::ParseParams;
   use deno_ast::ParsedSource;
-  use deno_ast::SourceTextInfo;
 
   use super::has_default_export;
 
@@ -107,7 +106,7 @@ mod test {
       maybe_syntax: None,
       media_type: MediaType::TypeScript,
       scope_analysis: false,
-      text_info: SourceTextInfo::from_string(text.to_string()),
+      text: text.into(),
     })
     .unwrap()
   }

cli/tools/vendor/build.rs

@@ -118,7 +118,7 @@ pub async fn build<
   graph_util::graph_valid(
     &graph,
     &real_fs,
-    &graph.roots,
+    &graph.roots.iter().cloned().collect::<Vec<_>>(),
     graph_util::GraphValidOptions {
       is_vendoring: true,
       check_js: true,

cli/tools/vendor/import_map.rs

@@ -250,7 +250,7 @@ fn visit_modules(
 
     let parsed_source =
       parsed_source_cache.get_parsed_source_from_js_module(module)?;
-    let text_info = parsed_source.text_info().clone();
+    let text_info = parsed_source.text_info_lazy().clone();
 
     for dep in module.dependencies.values() {
       visit_resolution(

cli/util/text_encoding.rs

@@ -1,44 +1,132 @@
 // Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
 
+use std::ops::Range;
+
 use base64::prelude::BASE64_STANDARD;
 use base64::Engine;
-use deno_core::ModuleCodeString;
+use deno_core::ModuleSourceCode;
 
 static SOURCE_MAP_PREFIX: &[u8] =
   b"//# sourceMappingURL=data:application/json;base64,";
 
-pub fn source_map_from_code(code: &ModuleCodeString) -> Option<Vec<u8>> {
+pub fn source_map_from_code(code: &[u8]) -> Option<Vec<u8>> {
-  let bytes = code.as_bytes();
+  let range = find_source_map_range(code)?;
-  let last_line = bytes.rsplit(|u| *u == b'\n').next()?;
+  let source_map_range = &code[range];
-  if last_line.starts_with(SOURCE_MAP_PREFIX) {
+  let input = source_map_range.split_at(SOURCE_MAP_PREFIX.len()).1;
-    let input = last_line.split_at(SOURCE_MAP_PREFIX.len()).1;
+  let decoded_map = BASE64_STANDARD.decode(input).ok()?;
-    let decoded_map = BASE64_STANDARD
-      .decode(input)
-      .expect("Unable to decode source map from emitted file.");
   Some(decoded_map)
+}
+
+/// Truncate the source code before the source map.
+pub fn code_without_source_map(code: ModuleSourceCode) -> ModuleSourceCode {
+  use deno_core::ModuleCodeBytes;
+
+  match code {
+    ModuleSourceCode::String(mut code) => {
+      if let Some(range) = find_source_map_range(code.as_bytes()) {
+        code.truncate(range.start);
+      }
+      ModuleSourceCode::String(code)
+    }
+    ModuleSourceCode::Bytes(code) => {
+      if let Some(range) = find_source_map_range(code.as_bytes()) {
+        let source_map_index = range.start;
+        ModuleSourceCode::Bytes(match code {
+          ModuleCodeBytes::Static(bytes) => {
+            ModuleCodeBytes::Static(&bytes[..source_map_index])
+          }
+          ModuleCodeBytes::Boxed(bytes) => {
+            // todo(dsherret): should be possible without cloning
+            ModuleCodeBytes::Boxed(
+              bytes[..source_map_index].to_vec().into_boxed_slice(),
+            )
+          }
+          ModuleCodeBytes::Arc(bytes) => ModuleCodeBytes::Boxed(
+            bytes[..source_map_index].to_vec().into_boxed_slice(),
+          ),
+        })
+      } else {
+        ModuleSourceCode::Bytes(code)
+      }
+    }
+  }
+}
+
+fn find_source_map_range(code: &[u8]) -> Option<Range<usize>> {
+  fn last_non_blank_line_range(code: &[u8]) -> Option<Range<usize>> {
+    let mut hit_non_whitespace = false;
+    let mut range_end = code.len();
+    for i in (0..code.len()).rev() {
+      match code[i] {
+        b' ' | b'\t' => {
+          if !hit_non_whitespace {
+            range_end = i;
+          }
+        }
+        b'\n' | b'\r' => {
+          if hit_non_whitespace {
+            return Some(i + 1..range_end);
+          }
+          range_end = i;
+        }
+        _ => {
+          hit_non_whitespace = true;
+        }
+      }
+    }
+    None
+  }
+
+  let range = last_non_blank_line_range(code)?;
+  if code[range.start..range.end].starts_with(SOURCE_MAP_PREFIX) {
+    Some(range)
   } else {
     None
   }
 }
 
-/// Truncate the source code before the source map.
-pub fn code_without_source_map(mut code: ModuleCodeString) -> ModuleCodeString {
-  let bytes = code.as_bytes();
-  for i in (0..bytes.len()).rev() {
-    if bytes[i] == b'\n' {
-      if bytes[i + 1..].starts_with(SOURCE_MAP_PREFIX) {
-        code.truncate(i + 1);
-      }
-      return code;
-    }
-  }
-  code
-}
-
 #[cfg(test)]
 mod tests {
+  use std::sync::Arc;
+
+  use deno_core::ModuleCodeBytes;
+  use deno_core::ModuleCodeString;
+
   use super::*;
 
+  #[test]
+  fn test_source_map_from_code() {
+    let to_string =
+      |bytes: Vec<u8>| -> String { String::from_utf8(bytes).unwrap() };
+    assert_eq!(
+      source_map_from_code(
+        b"test\n//# sourceMappingURL=data:application/json;base64,dGVzdGluZ3Rlc3Rpbmc=",
+      ).map(to_string),
+      Some("testingtesting".to_string())
+    );
+    assert_eq!(
+      source_map_from_code(
+        b"test\n//# sourceMappingURL=data:application/json;base64,dGVzdGluZ3Rlc3Rpbmc=\n  \n",
+      ).map(to_string),
+      Some("testingtesting".to_string())
+    );
+    assert_eq!(
+      source_map_from_code(
+        b"test\n//# sourceMappingURL=data:application/json;base64,dGVzdGluZ3Rlc3Rpbmc=\n  test\n",
+      ),
+      None
+    );
+    assert_eq!(
+      source_map_from_code(
+        b"\"use strict\";
+
+throw new Error(\"Hello world!\");
+//# sourceMappingURL=data:application/json;base64,{",
+      ),
+      None
+    );
+  }
+
   #[test]
   fn test_source_without_source_map() {
     run_test("", "");
@@ -62,14 +150,39 @@ mod tests {
       "\n//# sourceMappingURL=data:application/json;base64,test",
       "\n",
     );
+    run_test(
+      "test\n//# sourceMappingURL=data:application/json;base64,test\n\n",
+      "test\n",
+    );
+    run_test(
+      "test\n//# sourceMappingURL=data:application/json;base64,test\n   \n  ",
+      "test\n",
+    );
 
     fn run_test(input: &'static str, output: &'static str) {
-      assert_eq!(
+      let forms = [
-        code_without_source_map(ModuleCodeString::from_static(input))
+        ModuleSourceCode::String(ModuleCodeString::from_static(input)),
-          .as_str()
+        ModuleSourceCode::String({
-          .to_owned(),
+          let text: Arc<str> = input.into();
-        output
+          text.into()
-      );
+        }),
+        ModuleSourceCode::String({
+          let text: String = input.into();
+          text.into()
+        }),
+        ModuleSourceCode::Bytes(ModuleCodeBytes::Static(input.as_bytes())),
+        ModuleSourceCode::Bytes(ModuleCodeBytes::Boxed(
+          input.as_bytes().to_vec().into_boxed_slice(),
+        )),
+        ModuleSourceCode::Bytes(ModuleCodeBytes::Arc(
+          input.as_bytes().to_vec().into(),
+        )),
+      ];
+      for form in forms {
+        let result = code_without_source_map(form);
+        let bytes = result.as_bytes();
+        assert_eq!(bytes, output.as_bytes());
+      }
     }
   }
 }

runtime/shared.rs

@@ -4,7 +4,6 @@
 use deno_ast::MediaType;
 use deno_ast::ParseParams;
 use deno_ast::SourceMapOption;
-use deno_ast::SourceTextInfo;
 use deno_core::error::AnyError;
 use deno_core::extension;
 use deno_core::Extension;
@@ -88,7 +87,7 @@ pub fn maybe_transpile_source(
 
   let parsed = deno_ast::parse_module(ParseParams {
     specifier: deno_core::url::Url::parse(&name).unwrap(),
-    text_info: SourceTextInfo::from_string(source.as_str().to_owned()),
+    text: source.into(),
     media_type,
     capture_tokens: false,
     scope_analysis: false,
@@ -111,9 +110,9 @@ pub fn maybe_transpile_source(
     )?
     .into_source();
 
-  let maybe_source_map: Option<SourceMapData> = transpiled_source
+  let maybe_source_map: Option<SourceMapData> =
-    .source_map
+    transpiled_source.source_map.map(|sm| sm.into());
-    .map(|sm| sm.into_bytes().into());
+  let source_text = String::from_utf8(transpiled_source.source)?;
 
-  Ok((transpiled_source.text.into(), maybe_source_map))
+  Ok((source_text.into(), maybe_source_map))
 }

tests/Cargo.toml

@@ -43,7 +43,7 @@ deno_lockfile.workspace = true
 deno_terminal.workspace = true
 deno_tls.workspace = true
 fastwebsockets = { workspace = true, features = ["upgrade", "unstable-split"] }
-file_test_runner = "0.7.0"
+file_test_runner = "0.7.2"
 flaky_test = "=0.1.0"
 http.workspace = true
 http-body-util.workspace = true

tests/integration/watcher_tests.rs

@@ -1725,7 +1725,7 @@ globalThis.state = { i: 0 };
 
 function bar() {
   globalThis.state.i = 0;
-  console.log("got request1", globalThis.state.i);
+  console.error("got request1", globalThis.state.i);
 }
 
 function handler(_req) {
@@ -1738,8 +1738,14 @@ console.log("Listening...")
     "#,
   );
 
-  wait_contains("Failed to reload module", &mut stderr_lines).await;
+  wait_contains("Replaced changed module", &mut stderr_lines).await;
-  wait_contains("File change detected", &mut stderr_lines).await;
+  util::deno_cmd()
+    .current_dir(t.path())
+    .arg("eval")
+    .arg("await fetch('http://localhost:11111');")
+    .spawn()
+    .unwrap();
+  wait_contains("got request1", &mut stderr_lines).await;
 
   check_alive_then_kill(child);
 }

tests/specs/README.md

@@ -76,9 +76,7 @@ Or if you want to run several tests at the same time:
 
 ### Top level properties
 
-- `base` - The base config to use for the test. Options:
+- `repeat` (number) - Number of times to repeat a test.
-  - `jsr` - Uses env vars for jsr.
-  - `npm` - Uses env vars for npm.
 - `tempDir` (boolean) - Copy all the non-test files to a temporary directory and
   execute the command in that temporary directory.
   - By default, tests are executed with a current working directory of the test,

tests/specs/lint/no_slow_types/no_slow_types.out

@@ -3,6 +3,7 @@ error[no-slow-types]: missing explicit return type in the public API
   | 
 1 | export function add(a: number, b: number) {
   |                 ^^^ this function is missing an explicit return type
+  | 
   = hint: add an explicit return type to the function
 
   info: all functions in the public API must have an explicit return type
@@ -14,6 +15,7 @@ error[no-slow-types]: missing explicit return type in the public API
   | 
 1 | export function addB(a: number, b: number) {
   |                 ^^^^ this function is missing an explicit return type
+  | 
   = hint: add an explicit return type to the function
 
   info: all functions in the public API must have an explicit return type
@@ -25,6 +27,7 @@ error[no-slow-types]: missing explicit return type in the public API
   | 
 2 | export function addD(a: number, b: number) {
   |                 ^^^^ this function is missing an explicit return type
+  | 
   = hint: add an explicit return type to the function
 
   info: all functions in the public API must have an explicit return type

tests/specs/lint/no_slow_types/no_slow_types_entrypoint.out

@@ -3,6 +3,7 @@ error[no-slow-types]: missing explicit return type in the public API
   | 
 1 | export function add(a: number, b: number) {
   |                 ^^^ this function is missing an explicit return type
+  | 
   = hint: add an explicit return type to the function
 
   info: all functions in the public API must have an explicit return type
@@ -14,6 +15,7 @@ error[no-slow-types]: missing explicit return type in the public API
   | 
 1 | export function addB(a: number, b: number) {
   |                 ^^^^ this function is missing an explicit return type
+  | 
   = hint: add an explicit return type to the function
 
   info: all functions in the public API must have an explicit return type
@@ -25,6 +27,7 @@ error[no-slow-types]: missing explicit return type in the public API
   | 
 2 | export function addD(a: number, b: number) {
   |                 ^^^^ this function is missing an explicit return type
+  | 
   = hint: add an explicit return type to the function
 
   info: all functions in the public API must have an explicit return type

tests/specs/lint/no_slow_types_entrypoint/no_slow_types_entrypoint.out

@@ -3,6 +3,7 @@ error[no-slow-types]: missing explicit return type in the public API
   | 
 1 | export function add(a: number, b: number) {
   |                 ^^^ this function is missing an explicit return type
+  | 
   = hint: add an explicit return type to the function
 
   info: all functions in the public API must have an explicit return type
@@ -14,6 +15,7 @@ error[no-slow-types]: missing explicit return type in the public API
   | 
 1 | export function addB(a: number, b: number) {
   |                 ^^^^ this function is missing an explicit return type
+  | 
   = hint: add an explicit return type to the function
 
   info: all functions in the public API must have an explicit return type
@@ -25,6 +27,7 @@ error[no-slow-types]: missing explicit return type in the public API
   | 
 2 | export function addD(a: number, b: number) {
   |                 ^^^^ this function is missing an explicit return type
+  | 
   = hint: add an explicit return type to the function
 
   info: all functions in the public API must have an explicit return type

tests/specs/lint/no_slow_types_workspace/output.out

@@ -3,6 +3,7 @@ error[no-slow-types]: missing explicit return type in the public API
   | 
 1 | export function addB(a: number, b: number) {
   |                 ^^^^ this function is missing an explicit return type
+  | 
   = hint: add an explicit return type to the function
 
   info: all functions in the public API must have an explicit return type
@@ -14,6 +15,7 @@ error[no-slow-types]: missing explicit return type in the public API
   | 
 2 | export function addD(a: number, b: number) {
   |                 ^^^^ this function is missing an explicit return type
+  | 
   = hint: add an explicit return type to the function
 
   info: all functions in the public API must have an explicit return type
@@ -25,6 +27,7 @@ error[no-slow-types]: missing explicit return type in the public API
   | 
 1 | export function add(a: number, b: number) {
   |                 ^^^ this function is missing an explicit return type
+  | 
   = hint: add an explicit return type to the function
 
   info: all functions in the public API must have an explicit return type
@@ -36,6 +39,7 @@ error[no-slow-types]: missing explicit return type in the public API
   | 
 2 | export function addC(a: number, b: number) {
   |                 ^^^^ this function is missing an explicit return type
+  | 
   = hint: add an explicit return type to the function
 
   info: all functions in the public API must have an explicit return type

tests/specs/mod.rs

@@ -17,6 +17,7 @@ use file_test_runner::collection::CollectTestsError;
 use file_test_runner::collection::CollectedCategoryOrTest;
 use file_test_runner::collection::CollectedTest;
 use file_test_runner::collection::CollectedTestCategory;
+use file_test_runner::SubTestResult;
 use file_test_runner::TestResult;
 use serde::Deserialize;
 use test_util::tests_path;
@@ -109,6 +110,8 @@ struct MultiStepMetaData {
   #[serde(default)]
   pub envs: HashMap<String, String>,
   #[serde(default)]
+  pub repeat: Option<usize>,
+  #[serde(default)]
   pub steps: Vec<StepMetaData>,
 }
 
@@ -119,6 +122,8 @@ struct SingleTestMetaData {
   pub base: Option<String>,
   #[serde(default)]
   pub temp_dir: bool,
+  #[serde(default)]
+  pub repeat: Option<usize>,
   #[serde(flatten)]
   pub step: StepMetaData,
 }
@@ -128,6 +133,7 @@ impl SingleTestMetaData {
     MultiStepMetaData {
       base: self.base,
       temp_dir: self.temp_dir,
+      repeat: self.repeat,
       envs: Default::default(),
       steps: vec![self.step],
     }
@@ -213,8 +219,26 @@ fn run_test(test: &CollectedTest<serde_json::Value>) -> TestResult {
   let cwd = PathRef::new(&test.path).parent();
   let metadata_value = test.data.clone();
   let diagnostic_logger = Rc::new(RefCell::new(Vec::<u8>::new()));
-  let result = TestResult::from_maybe_panic(AssertUnwindSafe(|| {
+  let result = TestResult::from_maybe_panic_or_result(AssertUnwindSafe(|| {
-    run_test_inner(metadata_value, &cwd, diagnostic_logger.clone())
+    let metadata = deserialize_value(metadata_value);
+    if let Some(repeat) = metadata.repeat {
+      TestResult::SubTests(
+        (0..repeat)
+          .map(|i| {
+            let diagnostic_logger = diagnostic_logger.clone();
+            SubTestResult {
+              name: format!("run {}", i + 1),
+              result: TestResult::from_maybe_panic(AssertUnwindSafe(|| {
+                run_test_inner(&metadata, &cwd, diagnostic_logger);
+              })),
+            }
+          })
+          .collect(),
+      )
+    } else {
+      run_test_inner(&metadata, &cwd, diagnostic_logger.clone());
+      TestResult::Passed
+    }
   }));
   match result {
     TestResult::Failed {
@@ -232,15 +256,13 @@ fn run_test(test: &CollectedTest<serde_json::Value>) -> TestResult {
 }
 
 fn run_test_inner(
-  metadata_value: serde_json::Value,
+  metadata: &MultiStepMetaData,
   cwd: &PathRef,
   diagnostic_logger: Rc<RefCell<Vec<u8>>>,
 ) {
-  let metadata = deserialize_value(metadata_value);
+  let context = test_context_from_metadata(metadata, cwd, diagnostic_logger);
-
-  let context = test_context_from_metadata(&metadata, cwd, diagnostic_logger);
   for step in metadata.steps.iter().filter(|s| should_run_step(s)) {
-    let run_func = || run_step(step, &metadata, cwd, &context);
+    let run_func = || run_step(step, metadata, cwd, &context);
     if step.flaky {
       run_flaky(run_func);
     } else {

tests/specs/npm/workers/__test__.jsonc

@@ -0,0 +1,5 @@
+{
+  "tempDir": true,
+  "args": "run -A --quiet --lock=deno.lock main.ts",
+  "output": "main.out"
+}

tests/specs/npm/workers/main.out

@@ -0,0 +1,5 @@
+[UNORDERED_START]
+1
+2
+3
+[UNORDERED_END]

tests/specs/npm/workers/main.ts

@@ -0,0 +1,9 @@
+new Worker(new URL("./worker1.ts", import.meta.url), {
+  type: "module",
+});
+new Worker(new URL("./worker2.ts", import.meta.url), {
+  type: "module",
+});
+new Worker(new URL("./worker3.ts", import.meta.url), {
+  type: "module",
+});

tests/specs/npm/workers/worker1.ts

@@ -0,0 +1,9 @@
+import "npm:chalk@4";
+import "npm:react@18.2";
+import "npm:preact@10.19";
+import "npm:ajv";
+import "npm:has";
+import "npm:picocolors";
+
+console.log(1);
+self.close();

tests/specs/npm/workers/worker2.ts

@@ -0,0 +1,6 @@
+import "npm:@denotest/esm-basic";
+import "npm:@denotest/add";
+import "npm:@denotest/subtract";
+
+console.log(2);
+self.close();

tests/specs/npm/workers/worker3.ts

@@ -0,0 +1,6 @@
+import "npm:@denotest/subtract";
+import "npm:@denotest/add";
+import "npm:@denotest/esm-basic";
+
+console.log(3);
+self.close();

tests/specs/publish/banned_triple_slash_directives/publish.out

@@ -6,6 +6,7 @@ error[banned-triple-slash-directives]: triple slash directives that modify globa
   | 
 1 | /// <reference lib="deno.ns" />
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the triple slash directive
+  | 
   = hint: remove the triple slash directive
 
   info: instead instruct the user of your package to specify these directives
@@ -17,6 +18,7 @@ error[banned-triple-slash-directives]: triple slash directives that modify globa
   | 
 2 | /// <reference no-default-lib="true" />
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the triple slash directive
+  | 
   = hint: remove the triple slash directive
 
   info: instead instruct the user of your package to specify these directives

tests/specs/publish/has_slow_types/has_slow_types.out

@@ -5,6 +5,7 @@ error[missing-explicit-return-type]: missing explicit return type in the public
   | 
 2 | export function getRandom() {
   |                 ^^^^^^^^^ this function is missing an explicit return type
+  | 
   = hint: add an explicit return type to the function
 
   info: all functions in the public API must have an explicit return type

tests/specs/publish/invalid_import/invalid_import.out

@@ -10,6 +10,7 @@ error[invalid-external-import]: invalid import to a non-JSR 'http' specifier
   | 
 1 | import "http://localhost:4545/welcome.ts";
   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the specifier
+  | 
   = hint: replace this import with one from jsr or npm, or vendor the dependency into your package
 
   info: the import was resolved to 'http://localhost:4545/welcome.ts'
@@ -22,6 +23,7 @@ error[invalid-external-import]: invalid import to a non-JSR 'http' specifier
   | 
 2 | import "$echo";
   |        ^^^^^^^ the specifier
+  | 
   = hint: replace this import with one from jsr or npm, or vendor the dependency into your package
 
   info: the import was resolved to 'http://localhost:4545/echo.ts'

tests/specs/publish/invalid_import_esm_sh_suggestion/invalid_import_esm_sh_suggestion.out

@@ -7,10 +7,12 @@ error[invalid-external-import]: invalid import to a non-JSR 'http' specifier
   | 
 1 | import "http://esm.sh/react-dom@18.2.0/server";
   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the specifier
+  | 
   = hint: replace this import with one from jsr or npm, or vendor the dependency into your package
   | 
 1 | "npm:react-dom@18.2.0"
   | ---------------------- try this specifier
+  | 
 
   info: the import was resolved to 'http://esm.sh/react-dom@18.2.0/server'
   info: this specifier is not allowed to be imported on jsr

tests/specs/publish/missing_constraint/publish.out

@@ -6,6 +6,7 @@ error[missing-constraint]: specifier 'jsr:@denotest/add' is missing a version co
   | 
 1 | import { add } from "add";
   |                     ^^^^^ the specifier
+  | 
   = hint: specify a version constraint for the specifier in the import map
 
   info: the specifier resolved to version 1.0.0 today, but will resolve to a different
@@ -17,6 +18,7 @@ error[missing-constraint]: specifier 'npm:@denotest/esm-basic' is missing a vers
   | 
 2 | import * as basic from "basic";
   |                        ^^^^^^^ the specifier
+  | 
   = hint: specify a version constraint for the specifier in the import map
 
   info: the specifier resolved to version 1.0.0 today, but will resolve to a different
@@ -28,6 +30,7 @@ error[missing-constraint]: specifier 'jsr:@denotest/deps' is missing a version c
   | 
 3 | import * as deps from "jsr:@denotest/deps";
   |                       ^^^^^^^^^^^^^^^^^^^^ the specifier
+  | 
   = hint: specify a version constraint for the specifier
 
   info: the specifier resolved to version 1.0.0 today, but will resolve to a different

tests/specs/publish/prefer_fast_check_graph/main.out

@@ -7,6 +7,7 @@ error[invalid-external-import]: invalid import to a non-JSR 'https' specifier
   | 
 1 | export * from "https://deno.land/std/assert/assert.ts";
   |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the specifier
+  | 
   = hint: replace this import with one from jsr or npm, or vendor the dependency into your package
 
   info: the import was resolved to 'https://deno.land/std/assert/assert.ts'

tests/specs/publish/unanalyzable_dynamic_import/unanalyzable_dynamic_import.out

@@ -6,6 +6,7 @@ warning[unanalyzable-dynamic-import]: unable to analyze dynamic import
   | 
 2 | await import("asd " + asd);
   |              ^^^^^^^^^^^^ the unanalyzable dynamic import
+  | 
 
   info: after publishing this package, imports from the local import map / package.json do not work
   info: dynamic imports that can not be analyzed at publish time will not be rewritten automatically

tests/specs/schema.json

@@ -69,6 +69,9 @@
               "type": "string"
             }
           },
+          "repeat": {
+            "type": "number"
+          },
           "steps": {
             "type": "array",
             "items": {
@@ -112,6 +115,9 @@
             "type": "string"
           }
         },
+        "repeat": {
+          "type": "number"
+        },
         "tests": {
           "type": "object",
           "additionalProperties": {

tests/testdata/doc/referenced_private_types_lint.out

@@ -14,6 +14,7 @@ error[private-type-ref]: public type 'MyClass.prototype.prop' references private
   | 
 1 | interface MyInterface {
   | - this is the referenced type
+  | 
 
   info: to ensure documentation is complete all types that are exposed in the public API must be public
 

tools/util.js

@@ -227,6 +227,12 @@ export async function downloadPrebuilt(toolName) {
       );
     }
     spinner.text = `Successfully downloaded: ${toolName}`;
+    try {
+      // necessary on Windows it seems
+      await Deno.remove(toolPath);
+    } catch {
+      // ignore
+    }
     await Deno.rename(tempFile, toolPath);
   } catch (e) {
     spinner.fail();