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Simple and ABI stable C bindings to V8 built on libuv

libjs 최신버젼 다운로드

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# libjs

Simple and ABI stable C bindings to V8 built on libuv. It tightly integrates with libuv, using a dedicated V8 platform implementation for scheduling platform and isolate tasks on libuv event loops.

## API

See [`include/js.h`](include/js.h) for the public API.

### Exceptions

JavaScript exceptions are used for all error handling. A negative return value therefore indicates that an exception is either pending in the case of `js_pending_exception`, or uncaught if the JavaScript execution stack is empty and an uncaught exception handler is installed in case of `js_uncaught_exception`. Furthermore, certain functions will immediately return an error value if an exception is already pending when the function was called.

To handle a pending exception in native code, rather than defer it to JavaScript, use the `js_get_and_clear_last_exception()` function. If the exception cannot be handled, it may be rethrown with `js_throw()`. If the JavaScript execution stack becomes empty without the exception being handled, it will trigger the uncaught exception handler if installed. If no exception handler is installed and the exception isn't handled explicitly it will be swallowed.

## Building

By default, the library is compiled with static V8 prebuilds generated by <https://github.com/holepunchto/chromium-prebuilds>. You can bring along your own build of V8 by defining the `v8` target in your build definition. If you rely on the default V8 prebuilds, make sure to first checkout <https://github.com/holepunchto/chromium-prebuilds> and follow the instructions on how to make a prebuild.

When configuring the build tree, make sure to define the `GN_DIR` and `GN_OUT_DIR` variables, pointing them to your Chromium checkout and the GN output directory:

```sh
bare-make generate -D GN_DIR=<chromium>/src -D GN_OUT_DIR=<chromium>/src/<out>
```

For more information about the GN to CMake bridge, see <https://github.com/holepunchto/cmake-gn>.

## Alternatives

The API is designed in a way that minimises its coupling to V8, making it possible to implement ABI compatible alternatives for cases where V8 might not be ideal. We maintain several such alternatives that might be more appropriate for your use case:

- <https://github.com/holepunchto/libjsc>  
  Based on the builtin JavaScriptCore framework on Darwin.

- <https://github.com/holepunchto/libqjs>  
  Based on QuickJS.

- <https://github.com/holepunchto/libmqjs>  
  Based on Micro QuickJS.

- <https://github.com/holepunchto/libjerry>  
  Based on JerryScript.

## License

Apache-2.0

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