go-quickjs

QuickJS engine bindings for Go.

Warning: At present, both the original project quickjs and this project are still in the early stage of development. Please use this project carefully in the production environment.

Features

• Evaluate script
• Evaluate bytecode in []byte
• Compile script into bytecode in []byte
• Simple exception throwing and catching
• Invoke Go function from JavaScript
• Operate JavaScript values and objects in Go

Get Started

Install: (MacOS tested only)

wget https://raw.github.com/wspl/go-quickjs/master/install.sh && sh ./install.sh

Hello world:

package main
import"github.com/wspl/go-quickjs"funcmain() {
runtime:=quickjs.NewJSRuntime()
deferruntime.Free()
context:=runtime.NewContext()
defercontext.Free()
ret, err:=context.Eval("'Hello ' + 'World!'", "")
iferr!=nil {
println(err.Message())
}
println(ret.String())
}

Invoke Go function in JavaScript:

package main
import . "github.com/wspl/go-quickjs"funcmain() {
runtime:=NewJSRuntime()
deferruntime.Free()
context:=runtime.NewContext()
defercontext.Free()
fn:=context.NewGoFunction(func(args []*JSValue, this*JSValue) (*JSValue, *JSError) {
println("Invoked!")
returncontext.NewString("Hello World"), nil
})
fn.Value().Expose("hello")
ret, err:=context.Eval("hello()", "")
iferr!=nil {
println(err.Message())
}
println(ret.String())
}

TODOs

• Test cases
• Module support
• Fix bugs

License

MIT