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105 lines
3.1 KiB
105 lines
3.1 KiB
export function debounce(func, wait, immediate) {
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let timeout, args, context, timestamp, result
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const later = function() {
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// 据上一次触发时间间隔
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const last = +new Date() - timestamp
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// 上次被包装函数被调用时间间隔 last 小于设定时间间隔 wait
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if (last < wait && last > 0) {
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timeout = setTimeout(later, wait - last)
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} else {
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timeout = null
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// 如果设定为immediate===true，因为开始边界已经调用过了此处无需调用
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if (!immediate) {
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result = func.apply(context, args)
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if (!timeout) context = args = null
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}
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}
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}
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return function(...args) {
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context = this
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timestamp = +new Date()
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const callNow = immediate && !timeout
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// 如果延时不存在，重新设定延时
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if (!timeout) timeout = setTimeout(later, wait)
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if (callNow) {
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result = func.apply(context, args)
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context = args = null
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}
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return result
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}
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}
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/**
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* Parse the time to string
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* @param {(Object|string|number)} time
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* @param {string} cFormat
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* @returns {string}
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*/
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export function parseTime(time, cFormat) {
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if (arguments.length === 0) {
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return null
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}
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const format = cFormat || '{y}-{m}-{d} {h}:{i}:{s}'
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let date
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if (typeof time === 'undefined' || time === null || time === 'null') {
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return ''
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} else if (typeof time === 'object') {
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date = time
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} else {
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if ((typeof time === 'string') && (/^[0-9]+$/.test(time))) {
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time = parseInt(time)
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}
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if ((typeof time === 'number') && (time.toString().length === 10)) {
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time = time * 1000
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}
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date = new Date(time)
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}
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const formatObj = {
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y: date.getFullYear(),
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m: date.getMonth() + 1,
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d: date.getDate(),
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h: date.getHours(),
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i: date.getMinutes(),
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s: date.getSeconds(),
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a: date.getDay()
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}
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const time_str = format.replace(/{(y|m|d|h|i|s|a)+}/g, (result, key) => {
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let value = formatObj[key]
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// Note: getDay() returns 0 on Sunday
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if (key === 'a') { return ['日', '一', '二', '三', '四', '五', '六'][value ] }
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if (result.length > 0 && value < 10) {
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value = '0' + value
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}
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return value || 0
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})
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return time_str
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}
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// 获取当前日期时间
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export function getCurrentTime() {
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const yy = new Date().getFullYear()
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const mm = new Date().getMonth() + 1
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const dd = new Date().getDate()
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const hh = new Date().getHours()
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const mf = new Date().getMinutes() < 10 ? '0' + new Date().getMinutes() : new Date().getMinutes()
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const ss = new Date().getSeconds() < 10 ? '0' + new Date().getSeconds() : new Date().getSeconds()
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const time = yy + '年' + mm + '月' + dd + '日 ' + hh + ':' + mf + ':' + ss
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return time
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}
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export function getFormattedDate(date, yearOffset = 0) {
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date.setFullYear(date.getFullYear() + yearOffset)
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const year = date.getFullYear()
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const month = (date.getMonth() + 1).toString().padStart(2, '0')
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const day = date.getDate().toString().padStart(2, '0')
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return `${year}-${month}-${day}`
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}
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export function isExternal(path) {
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return /^(https?:|mailto:|tel:)/.test(path)
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}
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