47 lines
1.4 KiB
JavaScript
47 lines
1.4 KiB
JavaScript
(function (global) {
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const cacheKey = 'umami-share-cache';
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const cacheTTL = 3600_000; // 1h
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async function fetchShareData(baseUrl, shareId) {
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const cached = localStorage.getItem(cacheKey);
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if (cached) {
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try {
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const parsed = JSON.parse(cached);
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if (Date.now() - parsed.timestamp < cacheTTL) {
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return parsed.value;
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}
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} catch {
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localStorage.removeItem(cacheKey);
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}
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}
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const res = await fetch(`${baseUrl}/api/share/${shareId}`);
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if (!res.ok) {
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throw new Error('获取 Umami 分享信息失败');
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}
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const data = await res.json();
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localStorage.setItem(cacheKey, JSON.stringify({ timestamp: Date.now(), value: data }));
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return data;
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}
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/**
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* 获取 Umami 分享数据（websiteId、token）。
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* 在缓存 TTL 内复用；并用全局 Promise 避免并发请求。
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* @param {string} baseUrl
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* @param {string} shareId
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* @returns {Promise<{websiteId: string, token: string}>}
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*/
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global.getUmamiShareData = function (baseUrl, shareId) {
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if (!global.__umamiSharePromise) {
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global.__umamiSharePromise = fetchShareData(baseUrl, shareId).catch((err) => {
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delete global.__umamiSharePromise;
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throw err;
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});
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}
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return global.__umamiSharePromise;
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};
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global.clearUmamiShareCache = function () {
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localStorage.removeItem(cacheKey);
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delete global.__umamiSharePromise;
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};
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})(window); |