qmllint does not resolve imported .js file inside QML module

// HelperLibrary.js
.pragma library

function foo() {
	return "Hello World";
}

// main.qml
import QtQuick
import JsLibrary as JLib
import "HelperLibrary.js" as HelperLib

Window {
    width: 640
    height: 480
    visible: true
	title: "qmllint JS Test"

	Column {
		Text { text: JLib.HelperLibrary.foo() }
		Text { text: HelperLib.foo() }
	}
}

// qmldir
module JsLibrary
typeinfo appJsLibrary.qmltypes
prefer :/JsLibrary/
HelperLibrary 1.0 HelperLibrary.js