Method arrayproto_sort

builtin_array.go:377–429

(call FunctionCall)

}

func (r *Runtime) arrayproto_sort(call FunctionCall) Value {
	o := call.This.ToObject(r)

	var compareFn func(FunctionCall) Value
	arg := call.Argument(0)
	if arg != _undefined {
		if arg, ok := call.Argument(0).(*Object); ok {
			compareFn, _ = arg.self.assertCallable()
		}
		if compareFn == nil {
			panic(r.NewTypeError("The comparison function must be either a function or undefined"))
		}
	}

	var s sortable
	if r.checkStdArrayObj(o) != nil {
		s = o.self
	} else if _, ok := o.self.(reflectValueWrapper); ok {
		s = o.self
	}

	if s != nil {
		ctx := arraySortCtx{
			obj:     s,
			compare: compareFn,
		}

		sort.Stable(&ctx)
	} else {
		length := toLength(o.self.getStr("length", nil))
		a := make([]Value, 0, length)
		for i := int64(0); i < length; i++ {
			idx := valueInt(i)
			if o.self.hasPropertyIdx(idx) {
				a = append(a, nilSafe(o.self.getIdx(idx, nil)))
			}
		}
		ar := r.newArrayValues(a)
		ctx := arraySortCtx{
			obj:     ar.self,
			compare: compareFn,
		}

		sort.Stable(&ctx)
		for i := 0; i < len(a); i++ {
			o.self.setOwnIdx(valueInt(i), a[i], true)
		}
		for i := int64(len(a)); i < length; i++ {
			o.self.deleteIdx(valueInt(i), true)
		}
	}
	return o
}

func (r *Runtime) arrayproto_splice(call FunctionCall) Value {
	o := call.This.ToObject(r)