Angie Jones
111 lines
2.5 KiB
TypeScript
111 lines
2.5 KiB
TypeScript
/**
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* Utility for fetching GitHub repository star counts dynamically
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*/
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interface GitHubStarsCache {
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stars: number;
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timestamp: number;
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}
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const CACHE_DURATION = 24 * 60 * 60 * 1000; // 24 hours in milliseconds
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/**
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* Extract owner/repo from GitHub URL
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*/
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function extractRepoFromUrl(repoUrl: string): string | null {
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if (!repoUrl) return null;
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const match = repoUrl.match(/^https?:\/\/(www\.)?github\.com\/([^\/]+\/[^\/]+)/);
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if (!match) return null;
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// Clean up any trailing paths (tree/main, blob/main, etc.)
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const repo = match[2].replace(/\/(tree|blob)\/.*$/, '').replace(/[#?].*$/, '');
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return repo;
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}
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/**
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* Get cached star count if valid
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*/
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function getCachedStars(repo: string): number | null {
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try {
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const cacheKey = `github-stars-${repo}`;
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const cached = localStorage.getItem(cacheKey);
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if (!cached) return null;
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const { stars, timestamp }: GitHubStarsCache = JSON.parse(cached);
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// Check if cache is still valid (24 hours)
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if (Date.now() - timestamp < CACHE_DURATION) {
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return stars;
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}
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// Cache expired, remove it
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localStorage.removeItem(cacheKey);
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return null;
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} catch {
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return null;
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}
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}
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/**
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* Cache star count
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*/
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function setCachedStars(repo: string, stars: number): void {
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try {
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const cacheKey = `github-stars-${repo}`;
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const cacheData: GitHubStarsCache = {
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stars,
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timestamp: Date.now()
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};
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localStorage.setItem(cacheKey, JSON.stringify(cacheData));
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} catch {
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// Ignore localStorage errors (e.g., quota exceeded)
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}
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}
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/**
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* Fetch GitHub stars for a repository
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* Returns null if the API call fails (for hiding the star display)
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*/
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export async function fetchGitHubStars(repoUrl: string): Promise<number | null> {
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const repo = extractRepoFromUrl(repoUrl);
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if (!repo) return null;
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const cachedStars = getCachedStars(repo);
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if (cachedStars !== null) {
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return cachedStars;
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}
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try {
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const response = await fetch(`https://api.github.com/repos/${repo}`, {
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headers: {
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'Accept': 'application/vnd.github.v3+json',
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}
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});
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if (!response.ok) {
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return null;
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}
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const data = await response.json();
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const stars = data.stargazers_count || 0;
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setCachedStars(repo, stars);
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return stars;
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} catch {
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return null;
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}
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}
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/**
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* Format star count for display
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*/
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export function formatStarCount(stars: number): string {
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if (stars >= 1000) {
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return `${(stars / 1000).toFixed(1)}k`;
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}
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return stars.toString();
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}
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