This is a wrapper around the JavaScript Runtime (JSRT), used in Microsoft Edge and node-chakracore. The library is still in pre-release and is not yet stable. The tests try to cover as much functionality as possible but memory leaks and segfaults may occur. If you want a more stable library, use the underlying API directly with jsrt-sys.
Add this to your Cargo.toml:
[dependencies]
jsrt = "0.1.0"and this to your crate root:
extern crate jsrt;This library, by itself is simple and easily installed, but its jsrt-sys
dependency is not. To ensure a successful build, please view the jsrt-sys
build
instructions.
extern crate jsrt;
fn main() {
let runtime = jsrt::Runtime::new().unwrap();
let context = jsrt::Context::new(&runtime).unwrap();
let guard = context.make_current().unwrap();
let result = jsrt::Script::eval(&guard, "(5 + 5)").unwrap();
assert_eq!(result.to_integer(&guard), 10);
}extern crate jsrt;
fn main() {
let runtime = jsrt::Runtime::new().unwrap();
let context = jsrt::Context::new(&runtime).unwrap();
let guard = context.make_current().unwrap();
let multiply = jsrt::value::Function::new(&guard, Box::new(|guard, info| {
let result = info.arguments[0].to_integer(guard)
* info.arguments[1].to_integer(guard);
Ok(jsrt::value::Number::new(guard, result).into())
}));
let result = multiply.call(&guard, &jsrt::value::null(&guard), &[
jsrt::value::Number::new(&guard, 191).into(),
jsrt::value::Number::new(&guard, 7).into(),
]).unwrap();
assert_eq!(result.to_integer(&guard), 1337);
}
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