Files
penx/lib/utils.ts
2024-08-05 10:06:02 +08:00

92 lines
3.3 KiB
TypeScript

import { clsx, type ClassValue } from 'clsx'
import { twMerge } from 'tailwind-merge'
export function cn(...inputs: ClassValue[]) {
return twMerge(clsx(inputs))
}
export async function fetcher<JSON = any>(
input: RequestInfo,
init?: RequestInit,
): Promise<JSON> {
const response = await fetch(input, { ...init, cache: 'no-store' })
return response.json()
}
export const capitalize = (s: string) => {
if (typeof s !== 'string') return ''
return s.charAt(0).toUpperCase() + s.slice(1)
}
export const truncate = (str: string, num: number) => {
if (!str) return ''
if (str.length <= num) {
return str
}
return str.slice(0, num) + '...'
}
export const getBlurDataURL = async (url: string | null) => {
if (!url) {
return 'data:image/webp;base64,AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA='
}
try {
const response = await fetch(`https://wsrv.nl/?url=${url}&w=50&h=50&blur=5`)
const buffer = await response.arrayBuffer()
const base64 = Buffer.from(buffer).toString('base64')
return `data:image/png;base64,${base64}`
} catch (error) {
return 'data:image/webp;base64,AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA='
}
}
export const placeholderBlurhash =
'data:image/png;base64,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'
export const toDateString = (date: Date) => {
return new Date(date).toLocaleDateString('en-US', {
month: 'short',
day: 'numeric',
year: 'numeric',
})
}
export const random = (min: number, max: number) => {
return Math.floor(Math.random() * (max - min + 1) + min)
}
export const sleep = (ms: number) =>
new Promise((resolve) => setTimeout(resolve, ms))
export function matchNumber(input: string, precision = 10) {
const regex = new RegExp(`^\\d+(\\.\\d{0,${precision}}?)?$`)
return regex.test(input)
}
/**
* toFloorFixed(1.26, 1) -> 1.2
* toFloorFixed(1.24899, 2) -> 1.24
* @param input
* @param precision
* @returns
*/
export function toFloorFixed(input: number, precision: number): number {
const p = Number('1' + Array(precision).fill(0).join(''))
const str = (Math.floor(input * p) / p).toFixed(precision)
return Number(str)
}
export function shortenAddress(value: string, left = 5, right = 4) {
return value.slice(0, left) + '...' + value.slice(-right)
}
export function getEnsAvatar(name: string) {
return `https://euc.li/${name}`
}
export function isAddress(address = ''): boolean {
const regex = /^0x[a-fA-F0-9]{40}$/
return regex.test(address)
}