Will be removed in antd 4.0 because we will no longer support ie9

[todo]

ant-design/components/_util/responsiveObserve.ts

Lines 5 to 8 in 440c71d

	// TODO: Will be removed in antd 4.0 because we will no longer support ie9
	if (typeof window !== 'undefined') {
	const matchMediaPolyfill = (mediaQuery: string) => {
	return {

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This issue was generated by todo based on a TODO comment in 440c71d when #18828 was merged. cc @ztplz.

[ant-design-bot]

Hello @todo[bot], your issue has been closed because it does not conform to our issue requirements. Please use the Issue Helper to create an issue, thank you!

你好 @todo[bot]，为了能够进行高效沟通，我们对 issue 有一定的格式要求，你的 issue 因为不符合要求而被自动关闭。你可以通过 issue 助手 来创建 issue 以方便我们定位错误。谢谢配合！

[todo]

This issue has been reopened because the TODO comment still exists in components/_util/responsiveObserve.ts, as of fe30adc.

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If this was not intentional, just remove the comment from your code. You can also set the reopenClosed config if you don't want this to happen at all anymore.