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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 | 2x 2x 2x 2x 5x 5x 5x 5x 5x 5x 1x 5x 5x 5x 5x 5x 5x 5x 2x 1x 5x 5x 2x | /**
* 获取某个时间的 整年|整月|整日|整时|整分 时间对象
* @method getTimeSplit
* @param {Number|Date} time 实际时间
* @param {String} type 单位时间类型，可选 ['year', 'month', 'week', 'day', 'hour']
* @return {Date} 时间整点对象
* @example
* import { getTimeSplit } from '@spore-ui/tskit';
* new Date(
* getTimeSplit(
* '2018-09-20',
* 'month'
* )
* ).toGMTString();
* // Sat Sep 01 2018 00:00:00 GMT+0800 (中国标准时间)
*
* new Date(
* getTimeSplit(
* '2018-09-20 19:23:36',
* 'hour'
* )
* ).toGMTString();
* // Thu Sep 20 2018 19:00:00 GMT+0800 (中国标准时间)
*/
import { getUTCDate } from './getUTCDate';
import { TypeDate } from '../types';
const DAY = 24 * 60 * 60 * 1000;
export const TimeUnits = [
'hour',
'day',
'week',
'month',
'year',
] as const;
export type TypeTimeUnit = typeof TimeUnits[number];
export function getTimeSplit(
time: TypeDate,
Itype: TypeTimeUnit = 'day',
): Date {
const localTime = new Date(time).getTime();
let utcTime = getUTCDate(time);
// 以周一为起始时间
let day = utcTime.getDay();
day = day === 0 ? 6 : day - 1;
const index = TimeUnits.indexOf(type);
if (type === 'week') {
utcTime = new Date(localTime - day * DAY);
}
const year = `${utcTime.getUTCFullYear()}`;
let month = `${utcTime.getUTCMonth() + 1}`;
let date = `${utcTime.getUTCDate()}`;
let hour = `${utcTime.getUTCHours()}`;
let minutes = `${utcTime.getUTCMinutes()}`;
if (index >= 0) {
minutes = '00';
}
if (index >= 1) {
hour = '00';
}
if (index >= 3) {
date = '1';
}
if (index >= 4) {
month = '1';
}
const str = [
[year, month, date].join('/'),
[hour, minutes].join(':'),
].join(' ');
return new Date(str);
}
export default getTimeSplit;
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