77 lines
1.8 KiB
TypeScript
77 lines
1.8 KiB
TypeScript
import { Message } from 'ai'
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import { clsx, type ClassValue } from 'clsx'
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import { customAlphabet } from 'nanoid'
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import { twMerge } from 'tailwind-merge'
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export function cn(...inputs: ClassValue[]) {
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return twMerge(clsx(inputs))
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}
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export const nanoid = customAlphabet(
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'0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz',
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7
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) // 7-character random string
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function sleep(ms: number) {
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return new Promise((resolve) => setTimeout(resolve, ms));
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}
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function pause(duration: number): Promise<void> {
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return new Promise((res) => setTimeout(res, duration * 1000));
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}
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export function truncateString(str: string, maxLength?: number): string {
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const length = maxLength || 100; // 如果没有传入 maxLength 参数，则默认为 100
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if (str.length > length) {
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// return str.substring(0, 100) + '...';
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return str.substring(0, length);
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} else {
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return str;
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}
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}
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export async function fetcher<JSON = any>(
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input: RequestInfo,
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init?: RequestInit
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): Promise<JSON> {
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const res = await fetch(input, init)
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if (!res.ok) {
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const json = await res.json()
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if (json.error) {
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const error = new Error(json.error) as Error & {
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status: number
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}
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error.status = res.status
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throw error
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} else {
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throw new Error('An unexpected error occurred')
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}
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}
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return res.json()
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}
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export function formatDate(input: string | number | Date): string {
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const date = new Date(Number(input))
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return date.toLocaleDateString('en-US', {
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month: 'long',
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day: 'numeric',
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year: 'numeric'
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})
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}
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export function isValidEmail(email: string): boolean {
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const regex = /^[^\s@]+@[^\s@]+\.[^\s@]+$/
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return regex.test(email)
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}
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export function filterMessages(messages: Message[]): Message[] {
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return messages.filter(
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message => message.role !== 'system' && message.role !== 'function'
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)
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}
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