import { dayjs } from 'element-plus'
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/**
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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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/**
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* 驼峰转横杠
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*/
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export const humpToDash = (str: string): string => {
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return str.replace(/([A-Z])/g, '-$1').toLowerCase()
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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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export const getCssVar = (prop: string, dom = document.documentElement) => {
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return getComputedStyle(dom).getPropertyValue(prop)
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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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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 function formatTime(time) {
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if (time) {
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return dayjs(time).format('YYYY-MM-DD HH:mm:ss')
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} else {
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return ''
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}
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}
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// export function 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 function 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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/**
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* 首字母大写
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*/
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export function firstUpperCase(str: string) {
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return str.toLowerCase().replace(/( |^)[a-z]/g, (L) => L.toUpperCase())
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}
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/**
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* 把对象转为formData
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*/
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export function objToFormData(obj: Recordable) {
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const formData = new FormData()
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Object.keys(obj).forEach((key) => {
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formData.append(key, obj[key])
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})
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return formData
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}
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