I'm not sure now. I'm porting a AS3 UI library. But a lot of serious mistakes were reported. I'm checking out why this error happened
八月 28, 2017 1:59:13 下午 com.google.javascript.jscomp.LoggerErrorManager println 严重: D:/proj/git/spriteflexjs/test/bin/js-debug/XML.js:14: ERROR - required "XMLList" namespace not provided yet goog.require('XMLList'); ^^^^^^^^^^^^^^^^^^^^^^^ 八月 28, 2017 1:59:13 下午 com.google.javascript.jscomp.LoggerErrorManager println 严重: D:/proj/git/spriteflexjs/test/bin/js-debug/fairygui/GButton.js:13: ERROR - required "fairygui.GComponent" namespace not provided yet goog.require('fairygui.GComponent'); ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 八月 28, 2017 1:59:13 下午 com.google.javascript.jscomp.LoggerErrorManager println 严重: D:/proj/git/spriteflexjs/test/bin/js-debug/fairygui/GComboBox.js:12: ERROR - required "fairygui.GButton" namespace not provided yet goog.require('fairygui.GButton'); ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 八月 28, 2017 1:59:13 下午 com.google.javascript.jscomp.LoggerErrorManager println 严重: D:/proj/git/spriteflexjs/test/bin/js-debug/fairygui/GComboBox.js:13: ERROR - required "fairygui.GComponent" namespace not provided yet goog.require('fairygui.GComponent'); ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 八月 28, 2017 1:59:13 下午 com.google.javascript.jscomp.LoggerErrorManager println 严重: D:/proj/git/spriteflexjs/test/bin/js-debug/fairygui/GComboBox.js:14: ERROR - required "fairygui.GLabel" namespace not provided yet goog.require('fairygui.GLabel'); ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ----- spriteflexjs.com -- View this message in context: http://apache-flex-development.2333347.n4.nabble.com/Kotlinjs-has-solved-the-circular-dependency-problem-Flexjs-do-you-have-any-plans-tp63965p63982.html Sent from the Apache Flex Development mailing list archive at Nabble.com.