feat: init js-core

component/js/core.go

@@ -0,0 +1,32 @@
+package js
+
+import (
+	"github.com/dop251/goja"
+	"sync"
+)
+
+var JS sync.Map
+var mux sync.Mutex
+
+func NewJS(name, code string) error {
+	program, err := compiler(name, code)
+	if err != nil {
+		return err
+	}
+
+	if _, ok := JS.Load(name); !ok {
+		mux.Lock()
+		defer mux.Unlock()
+		if _, ok := JS.Load(name); !ok {
+			JS.Store(name, program)
+		}
+	}
+
+	return nil
+}
+
+func Run(name string, args map[string]any, callback func(any, error)) {
+	if value, ok := JS.Load(name); ok {
+		run(getLoop(), value.(*goja.Program), args, callback)
+	}
+}

component/js/js.go

@@ -0,0 +1,42 @@
+package js
+
+import (
+	"github.com/dop251/goja"
+	"github.com/dop251/goja_nodejs/console"
+	"github.com/dop251/goja_nodejs/eventloop"
+	"github.com/dop251/goja_nodejs/require"
+)
+
+func preSetting(rt *goja.Runtime) {
+	registry := new(require.Registry)
+	registry.Enable(rt)
+	logPrinter := console.RequireWithPrinter(&JsLog{})
+	require.RegisterNativeModule("console", logPrinter)
+	console.Enable(rt)
+	eventloop.EnableConsole(true)
+}
+
+func getLoop() *eventloop.EventLoop {
+	loop := eventloop.NewEventLoop(func(loop *eventloop.EventLoop) {
+		loop.Run(func(runtime *goja.Runtime) {
+			preSetting(runtime)
+		})
+	})
+
+	return loop
+}
+
+func compiler(name, code string) (*goja.Program, error) {
+	return goja.Compile(name, code, false)
+}
+
+func run(loop *eventloop.EventLoop, program *goja.Program, args map[string]any, callback func(any, error)) {
+	loop.RunOnLoop(func(runtime *goja.Runtime) {
+		for k, v := range args {
+			runtime.Set(k, v)
+		}
+
+		v, err := runtime.RunProgram(program)
+		callback(v, err)
+	})
+}

component/js/log.go

@@ -0,0 +1,18 @@
+package js
+
+import "github.com/Dreamacro/clash/log"
+
+type JsLog struct {
+}
+
+func (j JsLog) Log(s string) {
+	log.Infoln("[JS] %s", s)
+}
+
+func (j JsLog) Warn(s string) {
+	log.Warnln("[JS] %s", s)
+}
+
+func (j JsLog) Error(s string) {
+	log.Errorln("[JS] %s", s)
+}