feat(rong): re-export TaskScope

CHANGELOG.md

@@ -16,6 +16,13 @@ The format is based on Keep a Changelog, and this project adheres to Semantic Ve
   manual dispatch still run it. macOS jobs prefer Xcode libclang over
   Homebrew LLVM when present.
 
+### Core
+
+- `rong` re-exports `TaskScope`. The scope methods reached embedders already,
+  being inherent on `JSContext`, but the type did not, so a scope could only
+  be opened and cancelled inside one function — never stored, which is what
+  one scope per request needs.
+
 ## [0.6.2] - 2026-09-11
 
 Independent crate and npm releases: first publish of `rong_crypto` 0.6.0,

Cargo.toml

@@ -123,7 +123,7 @@ base64 = { version = "0.22.1" }
 
 [package]
 name = "rong"
-version = "0.6.0"
+version = "0.6.1"
 edition = "2024"
 
 description = "RongJS runtime and embedding API"

src/lib.rs

@@ -9,7 +9,7 @@ pub use rong_core::{
     JSRuntime as CoreJSRuntime, JSRuntimeService, JSSymbol as CoreJSSymbol,
     JSTypedArray as CoreJSTypedArray, JSTypedArrayKind, JSValue as CoreJSValue, JSValueType,
     JsonToJSValue, Promise as CorePromise, PropertyDescriptor as CorePropertyDescriptor,
-    RongJSError, Source, SourceKind, Uint8Clamped, error, illegal_constructor,
+    RongJSError, Source, SourceKind, TaskScope, Uint8Clamped, error, illegal_constructor,
     install_async_iterator_symbol, install_iterator_symbol,
 };
 // Re-export selected runtime API from rong_core::rong so downstream crates use `rong::...`

tests/task_scope.rs

@@ -185,3 +185,26 @@ fn scope_ids_are_not_reused_across_runtimes() {
     assert_eq!(ctx.current_task_scope(), Some(second));
     assert!(ctx.cancel_task_scope(second));
 }
+
+/// An embedder that opens a scope per request cannot open and cancel it in one
+/// function: it opens the scope where the request starts and cancels it where
+/// the request ends, so the value has to live in a field in between. Writing a
+/// field means writing the type, which means `TaskScope` has to be reachable
+/// under the name an embedder depends on — `rong`, not `rong_core`.
+///
+/// Every other test here gets the type from inference, so none of them would
+/// notice it missing from the facade.
+#[test]
+fn a_scope_can_be_stored_under_its_public_name() {
+    struct PendingRequest {
+        scope: TaskScope,
+    }
+
+    let runtime = RongJS::runtime();
+    let ctx = runtime.context();
+    let request = PendingRequest {
+        scope: ctx.begin_task_scope(),
+    };
+    // Opened elsewhere, cancelled here, exactly as a request's lifetime runs.
+    assert!(ctx.cancel_task_scope(request.scope));
+}