Jiewei Qian 6cb92acc34 DatePicker: validate input date (#12898) ... * date-picker: fix confirm() ignoring date validity make date-range panel's confirm validate date before confirming. 1. disable confirm button if picked date is invalid 2. reset highlight date on picker open (resetView) * test: date-time-range confirm honors disabledDate		2018-09-27 16:03:11 +08:00
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unit	DatePicker: validate input date (#12898)	2018-09-27 16:03:11 +08:00