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ojnext/src/utils/functions.ts
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import { getTime, intervalToDuration, parseISO, type Duration } from "date-fns"
import { User } from "./types"
import { USER_TYPE } from "./constants"
import { strFromU8, strToU8, unzlibSync, zlibSync } from "fflate"
import copyTextFallback from "copy-text-to-clipboard"
import { customAlphabet } from "nanoid"
function calculateACRate(acCount: number, totalCount: number): string {
if (totalCount === 0) return "0.00"
if (acCount >= totalCount) return "100.00"
return ((acCount / totalCount) * 100).toFixed(2)
}
export function getACRate(acCount: number, totalCount: number): string {
return `${calculateACRate(acCount, totalCount)}%`
}
export function getACRateNumber(acCount: number, totalCount: number): number {
return parseFloat(calculateACRate(acCount, totalCount))
}
export function filterEmptyValue<T extends Record<string, any>>(
object: T,
): Partial<T> {
return Object.entries(object).reduce((query, [key, value]) => {
if (value != null && value !== "" && value !== undefined) {
query[key as keyof T] = value
}
return query
}, {} as Partial<T>)
}
export function getTagColor(
tag: "Low" | "Mid" | "High" | "简单" | "中等" | "困难",
) {
return <"success" | "info" | "error">{
Low: "success",
Mid: "info",
High: "error",
: "success",
: "info",
: "error",
}[tag]
}
// 2023-04-03T02:43:28.673156Z
export function parseTime(utc: Date | string, format = "YYYY年M月D日") {
const time = useDateFormat(utc, format, { locales: "zh-CN" })
return time.value
}
function getDurationObject(start: Date | string, end: Date | string) {
return intervalToDuration({
start: getTime(parseISO(start.toString())),
end: getTime(parseISO(end.toString())),
})
}
function formatDurationUnits(
duration: Duration,
units: Array<{ key: keyof Duration; suffix: string }>,
): string {
return units
.filter(({ key }) => duration[key])
.map(({ key, suffix }) => duration[key] + suffix)
.join("")
}
export function duration(
start: Date | string,
end: Date | string,
showSeconds = false,
): string {
const durationObj = getDurationObject(start, end)
const units = [
{ key: "years" as const, suffix: "年" },
{ key: "months" as const, suffix: "月" },
{ key: "days" as const, suffix: "天" },
{ key: "hours" as const, suffix: "小时" },
{ key: "minutes" as const, suffix: "分钟" },
...(showSeconds ? [{ key: "seconds" as const, suffix: "秒" }] : []),
]
return formatDurationUnits(durationObj, units)
}
export function durationToDays(
start: Date | string,
end: Date | string,
): string {
const durationObj = getDurationObject(start, end)
const units = [
{ key: "years" as const, suffix: "年" },
{ key: "months" as const, suffix: "月" },
{ key: "days" as const, suffix: "天" },
]
const result = formatDurationUnits(durationObj, units)
return result || "一天以内"
}
export function secondsToDuration(seconds: number): string {
const duration = intervalToDuration({
start: 0,
end: seconds * 1000,
})
const hours = (duration.days ?? 0) * 24 + (duration.hours ?? 0)
const pad = (n: number) => String(n).padStart(2, "0")
return [hours, pad(duration.minutes ?? 0), pad(duration.seconds ?? 0)].join(
":",
)
}
export function submissionMemoryFormat(memory: number | string | undefined) {
if (memory === undefined) return "--"
// 1048576 = 1024 * 1024
let t = parseInt(memory + "") / 1048576
return String(t.toFixed(0)) + "MB"
}
export function submissionTimeFormat(time: number | string | undefined) {
if (time === undefined) return "--"
return time + "ms"
}
export function debounce<T extends (...args: any[]) => any>(
fn: T,
delay = 100,
): (...args: Parameters<T>) => void {
let timeoutId: ReturnType<typeof setTimeout>
return (...args: Parameters<T>) => {
clearTimeout(timeoutId)
timeoutId = setTimeout(() => fn(...args), delay)
}
}
export function getUserRole(role: User["admin_type"]): {
type: "default" | "info" | "error"
label: "普通" | "管理员" | "超管"
} {
const roleMap = {
[USER_TYPE.REGULAR_USER]: {
type: "default" as const,
label: "普通" as const,
},
[USER_TYPE.ADMIN]: { type: "info" as const, label: "管理员" as const },
[USER_TYPE.SUPER_ADMIN]: {
type: "error" as const,
label: "超管" as const,
},
}
return roleMap[role] || roleMap[USER_TYPE.REGULAR_USER]
}
export function unique<T>(arr: T[]): T[] {
return [...new Set(arr)]
}
export function encode(string?: string): string {
try {
return btoa(String.fromCharCode(...new TextEncoder().encode(string ?? "")))
} catch (error) {
console.error("编码失败:", error)
return ""
}
}
export function decode(bytes?: string): string {
try {
if (!bytes) return ""
const latin = atob(bytes)
return new TextDecoder("utf-8").decode(
Uint8Array.from({ length: latin.length }, (_, index) =>
latin.charCodeAt(index),
),
)
} catch (error) {
console.error("解码失败:", error)
return ""
}
}
export function getCSRFToken(): string {
if (typeof document === "undefined") {
return ""
}
const match = document.cookie.match(/(?:^|;\s*)csrftoken=([^;]+)/)
return match ? decodeURIComponent(match[1]) : ""
}
export function utoa(data: string): string {
const buffer = strToU8(data)
const zipped = zlibSync(buffer, { level: 9 })
const binary = strFromU8(zipped, true)
return btoa(binary)
}
export function atou(base64: string): string {
const binary = atob(base64)
const buffer = strToU8(binary, true)
const unzipped = unzlibSync(buffer)
return strFromU8(unzipped)
}
/**
* 复制文本到剪贴板
* 优先使用 Clipboard API支持在 modal 中使用),失败时回退到 copy-text-to-clipboard
* @param text 要复制的文本
* @returns Promise<boolean> 复制是否成功
*/
export async function copyToClipboard(text: string): Promise<boolean> {
// 优先使用现代 Clipboard API
if (navigator.clipboard && window.isSecureContext) {
try {
await navigator.clipboard.writeText(text)
return true
} catch (error) {
console.warn("Clipboard API 复制失败,尝试使用回退方法:", error)
}
}
// 回退到 copy-text-to-clipboard
try {
const success = copyTextFallback(text)
return success
} catch (error) {
console.error("复制失败:", error)
return false
}
}
export function getRandomId() {
const nanoid = customAlphabet("0123456789abcdefghijklmnopqrstuvwxyz")
return nanoid()
}
/**
* 恶搞效果函数 - 随机触发不同的页面恶搞效果
*/
export function trickOrTreat() {
const effects = [
// 效果1: 中文乱码
() => {
document.body.innerHTML = document.body.innerHTML.replace(
/[\u4e00-\u9fa5]/g,
function (c) {
return String.fromCharCode(c.charCodeAt(0) ^ 0xa5) // 将中文字符转为乱码
},
)
},
// 效果2: 页面一直缩放
() => {
const style = document.createElement("style")
style.id = "trick-scale-style"
style.textContent = `
body {
animation: trickScale 0.5s ease-in-out infinite alternate;
}
@keyframes trickScale {
from { transform: scale(0.8); }
to { transform: scale(1.2); }
}
`
document.head.appendChild(style)
},
// 效果3: 页面左右颠倒
() => {
document.body.style.transform = "scaleX(-1)"
},
// 效果4: 去掉鼠标
() => {
const style = document.createElement("style")
style.id = "trick-cursor-none-style"
style.textContent = `
* {
cursor: none !important;
}
`
document.head.appendChild(style)
},
// 效果5: 页面一直旋转
() => {
const style = document.createElement("style")
style.id = "trick-rotate-style"
style.textContent = `
body {
animation: trickRotate 2s linear infinite;
}
@keyframes trickRotate {
from { transform: rotate(0deg); }
to { transform: rotate(360deg); }
}
`
document.head.appendChild(style)
},
// 效果6: 页面上下颠倒
() => {
document.body.style.transform = "scaleY(-1)"
},
// 效果7: 页面颜色反转(反色)
() => {
const style = document.createElement("style")
style.id = "trick-invert-style"
style.textContent = `
body {
filter: invert(1) !important;
}
`
document.head.appendChild(style)
},
// 效果8: 页面抖动/震动
() => {
const style = document.createElement("style")
style.id = "trick-shake-style"
style.textContent = `
body {
animation: trickShake 0.1s ease-in-out infinite;
}
@keyframes trickShake {
0%, 100% { transform: translate(0, 0); }
25% { transform: translate(-5px, -5px); }
50% { transform: translate(5px, 5px); }
75% { transform: translate(-5px, 5px); }
}
`
document.head.appendChild(style)
},
// 效果9: 页面模糊
() => {
const style = document.createElement("style")
style.id = "trick-blur-style"
style.textContent = `
body {
filter: blur(5px) !important;
}
`
document.head.appendChild(style)
},
// 效果10: 点击哪里哪里的DOM就飞掉
() => {
// 添加CSS动画样式
const style = document.createElement("style")
style.id = "trick-flyaway-style"
style.textContent = `
.trick-flyaway {
animation: trickFlyAway 0.5s ease-out forwards !important;
pointer-events: none !important;
}
@keyframes trickFlyAway {
0% {
transform: translate(0, 0) rotate(0deg);
opacity: 1;
}
100% {
transform: translate(var(--fly-x, 500px), var(--fly-y, -500px)) rotate(720deg);
opacity: 0;
}
}
`
document.head.appendChild(style)
// 添加全局点击事件监听器
const clickHandler = (e: MouseEvent) => {
const target = e.target as HTMLElement
// 跳过body和html元素以及已经飞走的元素
if (
target === document.body ||
target === document.documentElement ||
target.classList.contains("trick-flyaway")
) {
return
}
// 获取点击位置相对于视口的位置
const rect = target.getBoundingClientRect()
const clickX = e.clientX - rect.left - rect.width / 2
const clickY = e.clientY - rect.top - rect.height / 2
// 计算飞出方向(随机方向)
const angle = Math.random() * Math.PI * 2
const distance = 1000 + Math.random() * 500
const flyX = Math.cos(angle) * distance
const flyY = Math.sin(angle) * distance
// 设置CSS变量
target.style.setProperty("--fly-x", `${flyX}px`)
target.style.setProperty("--fly-y", `${flyY}px`)
// 添加飞走动画类
target.classList.add("trick-flyaway")
// 动画结束后移除元素或隐藏
setTimeout(() => {
target.style.display = "none"
}, 500)
}
document.addEventListener("click", clickHandler, true)
},
// 效果11: 页面元素随机位置
() => {
const style = document.createElement("style")
style.id = "trick-random-position-style"
style.textContent = `
* {
position: relative !important;
}
`
document.head.appendChild(style)
// 随机移动所有元素
const allElements = document.querySelectorAll("*")
allElements.forEach((el) => {
if (el === document.body || el === document.documentElement) return
const element = el as HTMLElement
const randomX = (Math.random() - 0.5) * 200
const randomY = (Math.random() - 0.5) * 200
element.style.transform = `translate(${randomX}px, ${randomY}px)`
})
},
// 效果12: 页面变成3D倾斜效果
() => {
const style = document.createElement("style")
style.id = "trick-3d-tilt-style"
style.textContent = `
body {
perspective: 1000px;
transform-style: preserve-3d;
animation: trick3DTilt 3s ease-in-out infinite alternate;
}
@keyframes trick3DTilt {
0% {
transform: perspective(1000px) rotateX(0deg) rotateY(0deg);
}
25% {
transform: perspective(1000px) rotateX(15deg) rotateY(-15deg);
}
50% {
transform: perspective(1000px) rotateX(-15deg) rotateY(15deg);
}
75% {
transform: perspective(1000px) rotateX(15deg) rotateY(15deg);
}
100% {
transform: perspective(1000px) rotateX(-15deg) rotateY(-15deg);
}
}
`
document.head.appendChild(style)
},
// 效果13: 页面所有链接失效
() => {
const clickHandler = (e: MouseEvent) => {
const target = e.target as HTMLElement
// 检查是否是链接或按钮
if (
target.tagName === "A" ||
target.closest("a") ||
(target.tagName === "BUTTON" && !target.closest("n-button"))
) {
e.preventDefault()
e.stopPropagation()
e.stopImmediatePropagation()
return false
}
}
document.addEventListener("click", clickHandler, true)
},
// 效果14: 页面变成波浪效果
() => {
const style = document.createElement("style")
style.id = "trick-wave-style"
style.textContent = `
body {
animation: trickWave 2s ease-in-out infinite;
}
@keyframes trickWave {
0%, 100% {
transform: translateY(0) scaleY(1);
}
25% {
transform: translateY(-10px) scaleY(1.02);
}
50% {
transform: translateY(0) scaleY(1);
}
75% {
transform: translateY(10px) scaleY(0.98);
}
}
`
document.head.appendChild(style)
},
// 效果15: 页面变成故障效果Glitch
() => {
const style = document.createElement("style")
style.id = "trick-glitch-style"
style.textContent = `
body {
animation: trickGlitch 0.3s infinite;
}
@keyframes trickGlitch {
0% {
transform: translate(0);
filter: hue-rotate(0deg);
}
20% {
transform: translate(-2px, 2px);
filter: hue-rotate(90deg);
}
40% {
transform: translate(-2px, -2px);
filter: hue-rotate(180deg);
}
60% {
transform: translate(2px, 2px);
filter: hue-rotate(270deg);
}
80% {
transform: translate(2px, -2px);
filter: hue-rotate(360deg);
}
100% {
transform: translate(0);
filter: hue-rotate(0deg);
}
}
body::before {
content: '';
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background:
repeating-linear-gradient(
0deg,
transparent,
transparent 2px,
rgba(255, 0, 0, 0.03) 2px,
rgba(255, 0, 0, 0.03) 4px
),
repeating-linear-gradient(
90deg,
transparent,
transparent 2px,
rgba(0, 255, 255, 0.03) 2px,
rgba(0, 255, 255, 0.03) 4px
);
pointer-events: none;
z-index: 9999;
mix-blend-mode: difference;
}
`
document.head.appendChild(style)
},
]
// 随机选择一种效果
const randomEffect = effects[Math.floor(Math.random() * effects.length)]
randomEffect()
}
// function getChromeVersion() {
// var raw = navigator.userAgent.match(/Chrom(e|ium)\/([0-9]+)\./)
// return raw ? parseInt(raw[2], 10) : 0
// }
// export const isLowVersion = getChromeVersion() < 80
// export const protocol = isLowVersion ? "http" : "https"