FlowBL/src/utils/index.ts
2023-03-15 10:07:27 +08:00

149 lines
4.2 KiB
TypeScript

/**
*
* @param component 需要注册的组件
* @param alias 组件别名
* @returns any
*/
export const withInstall = <T>(component: T, alias?: string) => {
const comp = component as any
comp.install = (app: any) => {
app.component(comp.name || comp.displayName, component)
if (alias) {
app.config.globalProperties[alias] = component
}
}
return component as T & Plugin
}
/**
* @param str 需要转下划线的驼峰字符串
* @returns 字符串下划线
*/
export const humpToUnderline = (str: string): string => {
return str.replace(/([A-Z])/g, '-$1').toLowerCase()
}
/**
* @param str 需要转驼峰的下划线字符串
* @returns 字符串驼峰
*/
export const underlineToHump = (str: string): string => {
if (!str) return ''
return str.replace(/\-(\w)/g, (_, letter: string) => {
return letter.toUpperCase()
})
}
export const setCssVar = (prop: string, val: any, dom = document.documentElement) => {
dom.style.setProperty(prop, val)
}
/**
* 查找数组对象的某个下标
* @param {Array} ary 查找的数组
* @param {Functon} fn 判断的方法
*/
// eslint-disable-next-line
export const findIndex = <T = Recordable>(ary: Array<T>, fn: Fn): number => {
if (ary.findIndex) {
return ary.findIndex(fn)
}
let index = -1
ary.some((item: T, i: number, ary: Array<T>) => {
const ret: T = fn(item, i, ary)
if (ret) {
index = i
return ret
}
})
return index
}
export const trim = (str: string) => {
return str.replace(/(^\s*)|(\s*$)/g, '')
}
/**
* @param {Date | number | string} time 需要转换的时间
* @param {String} fmt 需要转换的格式 如 yyyy-MM-dd、yyyy-MM-dd HH:mm:ss
*/
export const formatTime = (time: Date | number | string, fmt: string) => {
if (!time) return ''
else {
const date = new Date(time)
const o = {
'M+': date.getMonth() + 1,
'd+': date.getDate(),
'H+': date.getHours(),
'm+': date.getMinutes(),
's+': date.getSeconds(),
'q+': Math.floor((date.getMonth() + 3) / 3),
S: date.getMilliseconds()
}
if (/(y+)/.test(fmt)) {
fmt = fmt.replace(RegExp.$1, (date.getFullYear() + '').substr(4 - RegExp.$1.length))
}
for (const k in o) {
if (new RegExp('(' + k + ')').test(fmt)) {
fmt = fmt.replace(
RegExp.$1,
RegExp.$1.length === 1 ? o[k] : ('00' + o[k]).substr(('' + o[k]).length)
)
}
}
return fmt
}
}
/**
* 生成随机字符串
*/
export const toAnyString = () => {
const str: string = 'xxxxx-xxxxx-4xxxx-yxxxx-xxxxx'.replace(/[xy]/g, (c: string) => {
const r: number = (Math.random() * 16) | 0
const v: number = c === 'x' ? r : (r & 0x3) | 0x8
return v.toString()
})
return str
}
export const generateUUID = () => {
if (typeof crypto === 'object') {
if (typeof crypto.randomUUID === 'function') {
return crypto.randomUUID()
}
if (typeof crypto.getRandomValues === 'function' && typeof Uint8Array === 'function') {
const callback = (c: any) => {
const num = Number(c)
return (num ^ (crypto.getRandomValues(new Uint8Array(1))[0] & (15 >> (num / 4)))).toString(
16
)
}
return '10000000-1000-4000-8000-100000000000'.replace(/[018]/g, callback)
}
}
let timestamp = new Date().getTime()
let performanceNow =
(typeof performance !== 'undefined' && performance.now && performance.now() * 1000) || 0
return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, (c) => {
let random = Math.random() * 16
if (timestamp > 0) {
random = (timestamp + random) % 16 | 0
timestamp = Math.floor(timestamp / 16)
} else {
random = (performanceNow + random) % 16 | 0
performanceNow = Math.floor(performanceNow / 16)
}
return (c === 'x' ? random : (random & 0x3) | 0x8).toString(16)
})
}
export const fileSizeFormatter = (row) => {
const unitArr = ['Bytes', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB']
const srcSize = parseFloat(row.size)
const index = Math.floor(Math.log(srcSize) / Math.log(1024))
const size = srcSize / Math.pow(1024, index)
const sizeStr = size.toFixed(2) //保留的小数位数
return sizeStr + ' ' + unitArr[index]
}