239 lines
6.4 KiB
TypeScript
239 lines
6.4 KiB
TypeScript
/**
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*
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* @param component 需要注册的组件
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* @param alias 组件别名
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* @returns any
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*/
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export const withInstall = <T>(component: T, alias?: string) => {
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const comp = component as any
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comp.install = (app: any) => {
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app.component(comp.name || comp.displayName, component)
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if (alias) {
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app.config.globalProperties[alias] = component
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}
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}
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return component as T & Plugin
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}
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/**
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* @param str 需要转下划线的驼峰字符串
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* @returns 字符串下划线
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*/
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export const humpToUnderline = (str: string): string => {
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return str.replace(/([A-Z])/g, '-$1').toLowerCase()
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}
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/**
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* @param str 需要转驼峰的下划线字符串
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* @returns 字符串驼峰
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*/
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export const underlineToHump = (str: string): string => {
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if (!str) return ''
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return str.replace(/\-(\w)/g, (_, letter: string) => {
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return letter.toUpperCase()
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})
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}
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export const setCssVar = (prop: string, val: any, dom = document.documentElement) => {
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dom.style.setProperty(prop, val)
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}
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/**
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* 查找数组对象的某个下标
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* @param {Array} ary 查找的数组
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* @param {Functon} fn 判断的方法
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*/
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// eslint-disable-next-line
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export const findIndex = <T = Recordable>(ary: Array<T>, fn: Fn): number => {
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if (ary.findIndex) {
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return ary.findIndex(fn)
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}
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let index = -1
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ary.some((item: T, i: number, ary: Array<T>) => {
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const ret: T = fn(item, i, ary)
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if (ret) {
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index = i
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return ret
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}
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})
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return index
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}
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export const trim = (str: string) => {
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return str.replace(/(^\s*)|(\s*$)/g, '')
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}
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/**
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* @param {Date | number | string} time 需要转换的时间
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* @param {String} fmt 需要转换的格式 如 yyyy-MM-dd、yyyy-MM-dd HH:mm:ss
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*/
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export const formatTime = (time: Date | number | string, fmt: string) => {
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if (!time) return ''
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else {
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const date = new Date(time)
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const o = {
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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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'm+': date.getMinutes(),
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's+': date.getSeconds(),
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'q+': Math.floor((date.getMonth() + 3) / 3),
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S: date.getMilliseconds()
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}
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if (/(y+)/.test(fmt)) {
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fmt = fmt.replace(RegExp.$1, (date.getFullYear() + '').substr(4 - RegExp.$1.length))
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}
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for (const k in o) {
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if (new RegExp('(' + k + ')').test(fmt)) {
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fmt = fmt.replace(
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RegExp.$1,
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RegExp.$1.length === 1 ? o[k] : ('00' + o[k]).substr(('' + o[k]).length)
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)
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}
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}
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return fmt
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}
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}
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/**
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* 生成随机字符串
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*/
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export const toAnyString = () => {
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const str: string = 'xxxxx-xxxxx-4xxxx-yxxxx-xxxxx'.replace(/[xy]/g, (c: string) => {
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const r: number = (Math.random() * 16) | 0
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const v: number = c === 'x' ? r : (r & 0x3) | 0x8
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return v.toString()
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})
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return str
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}
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export const generateUUID = () => {
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if (typeof crypto === 'object') {
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if (typeof crypto.randomUUID === 'function') {
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return crypto.randomUUID()
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}
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if (typeof crypto.getRandomValues === 'function' && typeof Uint8Array === 'function') {
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const callback = (c: any) => {
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const num = Number(c)
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return (num ^ (crypto.getRandomValues(new Uint8Array(1))[0] & (15 >> (num / 4)))).toString(
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16
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)
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}
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return '10000000-1000-4000-8000-100000000000'.replace(/[018]/g, callback)
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}
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}
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let timestamp = new Date().getTime()
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let performanceNow =
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(typeof performance !== 'undefined' && performance.now && performance.now() * 1000) || 0
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return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, (c) => {
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let random = Math.random() * 16
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if (timestamp > 0) {
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random = (timestamp + random) % 16 | 0
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timestamp = Math.floor(timestamp / 16)
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} else {
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random = (performanceNow + random) % 16 | 0
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performanceNow = Math.floor(performanceNow / 16)
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}
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return (c === 'x' ? random : (random & 0x3) | 0x8).toString(16)
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})
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}
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/**
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* element plus 的文件大小 Formatter 实现
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*
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* @param row 行数据
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* @param column 字段
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* @param cellValue 字段值
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*/
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// @ts-ignore
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export const fileSizeFormatter = (row, column, cellValue) => {
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const fileSize = cellValue
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const unitArr = ['Bytes', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB']
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const srcSize = parseFloat(fileSize)
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const index = Math.floor(Math.log(srcSize) / Math.log(1024))
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const size = srcSize / Math.pow(1024, index)
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const sizeStr = size.toFixed(2) //保留的小数位数
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return sizeStr + ' ' + unitArr[index]
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}
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/**
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* 将值复制到目标对象，且以目标对象属性为准，例：target: {a:1} source:{a:2,b:3} 结果为：{a:2}
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* @param target 目标对象
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* @param source 源对象
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*/
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export const copyValueToTarget = (target, source) => {
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const newObj = Object.assign({}, target, source)
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// 删除多余属性
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Object.keys(newObj).forEach((key) => {
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// 如果不是target中的属性则删除
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if (Object.keys(target).indexOf(key) === -1) {
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delete newObj[key]
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}
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})
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// 更新目标对象值
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Object.assign(target, newObj)
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}
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/**
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* 将一个整数转换为分数保留两位小数
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* @param num
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*/
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export const formatToFraction = (num: number | string | undefined): number => {
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if (typeof num === 'undefined') return 0
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const parsedNumber = typeof num === 'string' ? parseFloat(num) : num
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return parseFloat((parsedNumber / 100).toFixed(2))
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}
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/**
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* 将一个数转换为 1.00 这样
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* 数据呈现的时候使用
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*
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* @param num 整数
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*/
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export const floatToFixed2 = (num: number | string | undefined): string => {
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let str = '0.00'
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if (typeof num === 'undefined') {
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return str
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}
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const f = formatToFraction(num)
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const decimalPart = f.toString().split('.')[1]
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const len = decimalPart ? decimalPart.length : 0
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switch (len) {
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case 0:
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str = f.toString() + '.00'
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break
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case 1:
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str = f.toString() + '0'
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break
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case 2:
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str = f.toString()
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break
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}
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return str
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}
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/**
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* 将一个分数转换为整数
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* @param num
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*/
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export const convertToInteger = (num: number | string | undefined): number => {
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if (typeof num === 'undefined') return 0
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const parsedNumber = typeof num === 'string' ? parseFloat(num) : num
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// TODO 分转元后还有小数则四舍五入
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return Math.round(parsedNumber * 100)
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}
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/**
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* 元转分
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*/
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export const yuanToFen = (amount: string | number): number => {
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return convertToInteger(amount)
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}
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/**
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* 分转元
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*/
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export const fenToYuan = (price: string | number): number => {
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return formatToFraction(price)
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}
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