このエラーメッセージに関する原因と対処に関して説明します。
エラーメッセージ(英語):
class is not a function
対処
関連リンク
Node ES6: class is not a function - Stack Overflowstackoverflow.com/.../node-es6-class-is-not-a-function
https://stackoverflow.com/questions/36254875/node-es6-class-is-not-a-function
Uncaught TypeError: Object(...) - Stack Overflowstackoverflow.com/.../uncaught-typeerror-object-class-i...
https://stackoverflow.com/questions/47205970/uncaught-typeerror-object-class-is-not-a-function?rq=1
Dan Wahlin - Getting Started with ES6 - Using Classesweblogs.asp.net/.../getting-started-with-es6-using-classes
https://weblogs.asp.net/dwahlin/getting-started-with-es6-using-classes