10 examples of 'react new date' in JavaScript

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85var setDate = function setDate(start, end) {
86 var result = {
87 left: start,
88 right: end
89 }; // 当开始日期和结束日期在同一个月,根据不同的业务场景设置左右日历
90
91 if ((0, _date.equalYearAndMonth)(start, end)) {
92 if (props.scene === 'past') {
93 result = {
94 left: (0, _date.prevMonth)(end),
95 right: end
96 };
97 } else {
98 result = {
99 left: start,
100 right: (0, _date.nextMonth)(start)
101 };
102 }
103 }
104
105 return result;
106};
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159static getDerivedStateFromProps(nextProps, prevState) {
160 const { selectedDate, value } = nextProps;
161 let nextDateValue = selectedDate;
162
163 // Use the value for a controlled component if one is provided.
164 if (value !== undefined && value !== null) {
165 nextDateValue = value;
166 }
167
168 if (nextDateValue !== prevState.prevPropsSelectedDate) {
169 const nextSelectedDate = DateUtil.createSafeDate(nextDateValue);
170
171 if (nextSelectedDate) {
172 return {
173 selectedDate: nextSelectedDate,
174 prevPropsSelectedDate: nextDateValue,
175 };
176 }
177
178 return {
179 prevPropsSelectedDate: nextDateValue,
180 };
181 }
182
183 return null;
184}
182getDateInstance( v ) {
183 return this.props.moment( v ).toDate();
184}
135set date(date) {
136 this._date = date;
137 /* only notify change when an actual date was set, when resetting time
138 * time and date (to use "Leave Now" routing) time would be set to null
139 * triggering an update */
140 if (date)
141 this.notify('points');
142}
162_cloneDate ( date ) {
163
164 return new Date ( date.getTime () );
165
166}
64handleChange(date) {
65 if (!date) {
66 if (this.props.onChange) {
67 this.props.onChange(null, null, '');
68 }
69 return;
70 }
71 if (this.props.onChange) {
72 this.props.onChange(
73 date.toDate().toISOString(), // ISO 8601
74 date.format(this.props.dateFormat), // 使用moment.js按照用户指定的格式进行格式化
75 date
76 );
77 }
78}
182value: function componentWillReceiveProps(nextProps) {
183 if (nextProps.initialDate !== this.props.initialDate) {
184 var date = nextProps.initialDate || new Date();
185 this.setState({
186 displayDate: this.props.utils.getFirstDayOfMonth(date),
187 selectedDate: date
188 });
189 }
190}
285getDate() {
286 return new Date(this.date.getTime());
287}
4componentDidMount(){
5 this.getDate()
6
7}
32function newDate(y, m, d) {
33 return {y: y, m: m, d: d, H: 0, M: 0, S: 0, L: 0};
34}

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