MaxKB/ui/src/utils/utils.ts
2024-03-29 15:45:04 +08:00

79 lines
2.0 KiB
TypeScript

export function toThousands(num: any) {
return num?.toString().replace(/\d+/, function (n: any) {
return n.replace(/(\d)(?=(?:\d{3})+$)/g, '$1,')
})
}
export function numberFormat(num: number) {
return num < 1000 ? toThousands(num) : toThousands((num / 1000).toFixed(1)) + 'k'
}
export function filesize(size: number) {
if (!size) return ''
/* byte */
const num = 1024.0
if (size < num) return size + 'B'
if (size < Math.pow(num, 2)) return (size / num).toFixed(2) + 'K' //kb
if (size < Math.pow(num, 3)) return (size / Math.pow(num, 2)).toFixed(2) + 'M' //M
if (size < Math.pow(num, 4)) return (size / Math.pow(num, 3)).toFixed(2) + 'G' //G
return (size / Math.pow(num, 4)).toFixed(2) + 'T' //T
}
/*
随机id
*/
export const randomId = function () {
return Math.floor(Math.random() * 10000) + ''
}
/*
获取文件后缀
*/
export function fileType(name: string) {
const suffix = name.split('.')
return suffix[suffix.length - 1]
}
/*
获得文件对应图片
*/
export function getImgUrl(name: string) {
const type = fileType(name) || 'txt'
return new URL(`../assets/${type}-icon.svg`, import.meta.url).href
}
/*
从指定数组中过滤出对应的对象
*/
export function realatedObject(list: any, val: any, attr: string) {
const filterData: any = list.filter((item: any) => item[attr] === val)?.[0]
return filterData || null
}
// 排序
export function arraySort(list: Array<string>, property: any, desc?: boolean) {
return list.sort((a: any, b: any) => {
return desc ? b[property] - a[property] : a[property] - b[property]
})
}
// 判断对象里所有属性全部为空
export function isAllPropertiesEmpty(obj: object) {
return Object.values(obj).every(
(value) =>
value === null || typeof value === 'undefined' || (typeof value === 'string' && !value)
)
}
// 数组对象中某一属性值的集合
export function getAttrsArray(array, attr) {
return array.map((item) => {
return item[attr]
})
}
// 求和
export function getSum(array) {
return array.reduce((totol, item) => totol + item, 0)
}