import crypto from 'crypto'
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/**
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* @param {Function} func
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* @param {number} wait
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* @param {boolean} immediate
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* @return {*}
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*/
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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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export function rsaEncryptStr (publicKey, text) {
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let pubKey = '-----BEGIN PUBLIC KEY-----' + publicKey + '-----END PUBLIC KEY-----'
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let bufferText = Buffer.from(text, 'utf8')
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return crypto.publicEncrypt({ key: pubKey, padding: crypto.constants.RSA_PKCS1_PADDING }, bufferText).toString('base64')
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}
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export function formatSeconds (theTime) {
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let theTime1 = 0
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let theTime2 = 0
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if (theTime > 60) {
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theTime1 = parseInt(theTime / 60)
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theTime = parseInt(theTime % 60)
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if (theTime1 > 60) {
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theTime2 = parseInt(theTime1 / 60)
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theTime1 = parseInt(theTime1 % 60)
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}
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}
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let result = '' + parseInt(theTime) + '秒'
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if (theTime1 > 0) {
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result = '' + parseInt(theTime1) + '分' + result
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}
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if (theTime2 > 0) {
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result = '' + parseInt(theTime2) + '小时' + result
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}
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return result
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}
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