28 lines
812 B
TypeScript
28 lines
812 B
TypeScript
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export function safeHttpUrl(input: string) {
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try {
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const url = new URL(input);
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if (!["http:", "https:"].includes(url.protocol)) return null;
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return url;
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} catch {
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return null;
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}
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}
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export function extractXhsPublishUrl(input: string) {
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const candidates =
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input.match(/https?:\/\/[^\s<>"'，。！？；：、【】（）]+/gi) ?? [];
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for (const candidate of candidates) {
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const cleaned = candidate.replace(/[.,!?;:~)\]}]+$/g, "");
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const url = safeHttpUrl(cleaned);
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if (!url) continue;
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const hostname = url.hostname.toLowerCase();
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const isXhs =
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hostname === "xiaohongshu.com" ||
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hostname.endsWith(".xiaohongshu.com") ||
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hostname === "xhslink.cn" ||
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hostname.endsWith(".xhslink.cn");
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if (isXhs) return url.toString();
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}
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return "";
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}
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