gui.do
Sifa professional network API (Fastify, AT Protocol, Jetstream)
sifa.id/
1export function normalizeUrl(url: string): string {
2 let normalized = url.toLowerCase();
3 normalized = normalized.replace(/^https?:\/\//, '');
4 normalized = normalized.replace(/^www\./, '');
5 normalized = normalized.replace(/\/+$/, '');
6 return normalized;
7}
8
9const PLATFORM_EXTRACTORS: Record<string, (url: URL) => string | null> = {
10 github: (url) => {
11 const parts = url.pathname.split('/').filter(Boolean);
12 return parts[0] ?? null;
13 },
14 linkedin: (url) => {
15 const parts = url.pathname.split('/').filter(Boolean);
16 if (parts[0] === 'in' && parts[1]) return parts[1];
17 return null;
18 },
19 twitter: (url) => {
20 const parts = url.pathname.split('/').filter(Boolean);
21 return parts[0] ?? null;
22 },
23 instagram: (url) => {
24 const parts = url.pathname.split('/').filter(Boolean);
25 return parts[0] ?? null;
26 },
27 youtube: (url) => {
28 const parts = url.pathname.split('/').filter(Boolean);
29 if (parts[0] === 'channel' && parts[1]) return parts[1];
30 if (parts[0]?.startsWith('@')) return parts[0];
31 return null;
32 },
33 fediverse: (url) => {
34 const parts = url.pathname.split('/').filter(Boolean);
35 if (parts[0]?.startsWith('@')) return `${parts[0]}@${url.hostname}`;
36 return null;
37 },
38};
39
40export function extractPlatformUsername(platform: string, url: string): string | null {
41 const normalizedPlatform = platform.toLowerCase();
42 const extractor = PLATFORM_EXTRACTORS[normalizedPlatform];
43 if (!extractor) return null;
44
45 try {
46 let parsableUrl = url;
47 if (!/^https?:\/\//i.test(parsableUrl)) {
48 parsableUrl = `https://${parsableUrl}`;
49 }
50 return extractor(new URL(parsableUrl));
51 } catch {
52 return null;
53 }
54}