qjs 0.2.1

QuickJS bindings for Dart.

0.2.1

Fixes

• Using a JSRuntime after release() now throws a StateError instead of crashing the process. This includes a JSPromise.fromAsyncFunction callback that builds its result after the runtime was released while it was awaiting.
• Updated the code examples in the API docs to the current API.

0.2.0

Breaking changes

• With enableEval: false (including JSRuntimeConfig.hardened()), the Function, AsyncFunction, GeneratorFunction and AsyncGeneratorFunction constructors now throw. Previously, code could still be compiled through them.
• A microtask that fails while draining (for example, because the script was interrupted) is now reported instead of dropped. evaluateJavascript, evaluatePreparedJavaScript and function calls throw a JSException, and drainMicrotasks() throws instead of returning false.
• Errors thrown by setTimeout / setInterval callbacks installed by JSTimers no longer surface as uncaught Dart errors. They go to JSRuntime.onUncaughtError, and are dropped if it is not set.
• Calling setNativeState again on the same object now replaces the state. Previously the second call was silently ignored.
• JSRuntime uses a Dart Finalizer instead of a NativeFinalizer. Releasing a runtime that is never released explicitly is best effort; always call release().

Features

• Sandbox controls on JSRuntime:
  • setDeadline / clearDeadline interrupt long-running scripts with an uncatchable InternalError: interrupted.
  • requestInterrupt and the sendable interruptHandle cancel a script from another isolate.
  • memoryUsage reports heap usage as a JSMemoryUsage.
  • onUnhandledRejection tracks promises rejected without a handler.
  • onUncaughtError receives errors from JavaScript that runs with no Dart caller.
  • runGC runs the garbage collector.
• JSHostObject.has answers in and per-key checks without rebuilding the key list.
• Updated QuickJS-ng to v0.17.0.

Fixes

• Fixed a deadlock between JSRuntime.release() and pointer finalizers running during GC, and a use-after-free on the runtime in those finalizers.
• Fixed a crash (double free) when JavaScript used in, Object.keys or for...in on a host object.
• Object.keys, for...in, JSON.stringify and hasOwnProperty now see host object keys.
• Fixed JSValue.fromJsonUtf8 intermittently failing on valid JSON.
• JavaScript errors are no longer lost in array element reads, key conversion, property name listing and object creation.
• getNativeState no longer returns state inherited from a prototype, and native state is no longer visible to JavaScript.
• JSArray.create accepts lengths up to 2³² − 1 and throws a RangeError above that, instead of truncating the length.
• Fixed a race in JSObject.fromId with finalizers running during GC.
• Strings returned by the native library are freed with the library's own allocator, which matters on Windows.
• Handled native allocation failures that previously crashed or leaked.

0.1.0

• Initial version.