Add Surge MITM and scripts

script/jsc/iterator.go

@@ -0,0 +1,36 @@
+package jsc
+
+import "github.com/dop251/goja"
+
+type Iterator[M Module, T any] struct {
+	c      Class[M, *Iterator[M, T]]
+	values []T
+	block  func(this T) any
+}
+
+func NewIterator[M Module, T any](class Class[M, *Iterator[M, T]], values []T, block func(this T) any) goja.Value {
+	return class.New(&Iterator[M, T]{class, values, block})
+}
+
+func CreateIterator[M Module, T any](module M) Class[M, *Iterator[M, T]] {
+	class := NewClass[M, *Iterator[M, T]](module)
+	class.DefineMethod("next", (*Iterator[M, T]).next)
+	class.DefineMethod("toString", (*Iterator[M, T]).toString)
+	return class
+}
+
+func (i *Iterator[M, T]) next(call goja.FunctionCall) any {
+	result := i.c.Runtime().NewObject()
+	if len(i.values) == 0 {
+		result.Set("done", true)
+	} else {
+		result.Set("done", false)
+		result.Set("value", i.block(i.values[0]))
+		i.values = i.values[1:]
+	}
+	return result
+}
+
+func (i *Iterator[M, T]) toString(call goja.FunctionCall) any {
+	return "[sing-box Iterator]"
+}