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JohnsonRan
2025-08-12 21:50:58 +08:00
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src/lib/version.ts Normal file
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/* eslint-disable no-console */
'use client';
const CURRENT_VERSION = '1.1.1';
// 版本检查结果枚举
export enum UpdateStatus {
HAS_UPDATE = 'has_update', // 有新版本
NO_UPDATE = 'no_update', // 无新版本
FETCH_FAILED = 'fetch_failed', // 获取失败
}
// 远程版本检查URL配置
const VERSION_CHECK_URLS = [
'https://raw.githubusercontent.com/LunaTechLab/MoonTV/main/VERSION.txt',
'https://cdn.jsdelivr.net/gh/LunaTechLab/moontv/VERSION.txt',
];
/**
* 检查是否有新版本可用
* @returns Promise<UpdateStatus> - 返回版本检查状态
*/
export async function checkForUpdates(): Promise<UpdateStatus> {
try {
// 尝试从主要URL获取版本信息
const primaryVersion = await fetchVersionFromUrl(VERSION_CHECK_URLS[0]);
if (primaryVersion) {
return compareVersions(primaryVersion);
}
// 如果主要URL失败尝试备用URL
const backupVersion = await fetchVersionFromUrl(VERSION_CHECK_URLS[1]);
if (backupVersion) {
return compareVersions(backupVersion);
}
// 如果两个URL都失败返回获取失败状态
return UpdateStatus.FETCH_FAILED;
} catch (error) {
console.error('版本检查失败:', error);
return UpdateStatus.FETCH_FAILED;
}
}
/**
* 从指定URL获取版本信息
* @param url - 版本信息URL
* @returns Promise<string | null> - 版本字符串或null
*/
async function fetchVersionFromUrl(url: string): Promise<string | null> {
try {
const controller = new AbortController();
const timeoutId = setTimeout(() => controller.abort(), 5000); // 5秒超时
// 添加时间戳参数以避免缓存
const timestamp = Date.now();
const urlWithTimestamp = url.includes('?')
? `${url}&_t=${timestamp}`
: `${url}?_t=${timestamp}`;
const response = await fetch(urlWithTimestamp, {
method: 'GET',
signal: controller.signal,
headers: {
'Content-Type': 'text/plain',
},
});
clearTimeout(timeoutId);
if (!response.ok) {
throw new Error(`HTTP error! status: ${response.status}`);
}
const version = await response.text();
return version.trim();
} catch (error) {
console.warn(`${url} 获取版本信息失败:`, error);
return null;
}
}
/**
* 比较版本号
* @param remoteVersion - 远程版本号
* @returns UpdateStatus - 返回版本比较结果
*/
function compareVersions(remoteVersion: string): UpdateStatus {
// 如果版本号相同,无需更新
if (remoteVersion === CURRENT_VERSION) {
return UpdateStatus.NO_UPDATE;
}
try {
// 解析版本号为数字数组 [X, Y, Z]
const currentParts = CURRENT_VERSION.split('.').map((part) => {
const num = parseInt(part, 10);
if (isNaN(num) || num < 0) {
throw new Error(`无效的版本号格式: ${CURRENT_VERSION}`);
}
return num;
});
const remoteParts = remoteVersion.split('.').map((part) => {
const num = parseInt(part, 10);
if (isNaN(num) || num < 0) {
throw new Error(`无效的版本号格式: ${remoteVersion}`);
}
return num;
});
// 标准化版本号到3个部分
const normalizeVersion = (parts: number[]) => {
if (parts.length >= 3) {
return parts.slice(0, 3); // 取前三个元素
} else {
// 不足3个的部分补0
const normalized = [...parts];
while (normalized.length < 3) {
normalized.push(0);
}
return normalized;
}
};
const normalizedCurrent = normalizeVersion(currentParts);
const normalizedRemote = normalizeVersion(remoteParts);
// 逐级比较版本号
for (let i = 0; i < 3; i++) {
if (normalizedRemote[i] > normalizedCurrent[i]) {
return UpdateStatus.HAS_UPDATE;
} else if (normalizedRemote[i] < normalizedCurrent[i]) {
return UpdateStatus.NO_UPDATE;
}
// 如果当前级别相等,继续比较下一级
}
// 所有级别都相等,无需更新
return UpdateStatus.NO_UPDATE;
} catch (error) {
console.error('版本号比较失败:', error);
// 如果版本号格式无效,回退到字符串比较
return remoteVersion !== CURRENT_VERSION
? UpdateStatus.HAS_UPDATE
: UpdateStatus.NO_UPDATE;
}
}
// 导出当前版本号供其他地方使用
export { compareVersions, CURRENT_VERSION };