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| 1 | +import type { GitHubStats } from './github-api'; |
| 2 | + |
| 3 | +/** |
| 4 | + * Calculate total stars across main Parse Platform repositories |
| 5 | + * @param githubStats - GitHub statistics data |
| 6 | + * @param fallback - Fallback value when stats are not available (default: 15000) |
| 7 | + * @returns Total number of stars across repositories |
| 8 | + */ |
| 9 | +export function calculateTotalStars(githubStats: GitHubStats | undefined, fallback: number = 15000): number { |
| 10 | + if (!githubStats) { |
| 11 | + return fallback; |
| 12 | + } |
| 13 | + |
| 14 | + return ( |
| 15 | + githubStats.parseServer.stars + |
| 16 | + githubStats.parseDashboard.stars + |
| 17 | + githubStats.parseJsSDK.stars + |
| 18 | + githubStats.parseIOSSDK.stars + |
| 19 | + githubStats.parseAndroidSDK.stars |
| 20 | + ); |
| 21 | +} |
| 22 | + |
| 23 | +/** |
| 24 | + * Calculate total forks across main Parse Platform repositories |
| 25 | + * @param githubStats - GitHub statistics data |
| 26 | + * @param fallback - Fallback value when stats are not available (default: 8000) |
| 27 | + * @returns Total number of forks across repositories |
| 28 | + */ |
| 29 | +export function calculateTotalForks(githubStats: GitHubStats | undefined, fallback: number = 8000): number { |
| 30 | + if (!githubStats) { |
| 31 | + return fallback; |
| 32 | + } |
| 33 | + |
| 34 | + return ( |
| 35 | + githubStats.parseServer.forks + |
| 36 | + githubStats.parseDashboard.forks + |
| 37 | + githubStats.parseJsSDK.forks + |
| 38 | + githubStats.parseIOSSDK.forks + |
| 39 | + githubStats.parseAndroidSDK.forks |
| 40 | + ); |
| 41 | +} |
| 42 | + |
| 43 | +/** |
| 44 | + * Estimate active developers based on available metrics |
| 45 | + * @param githubStats - GitHub statistics data |
| 46 | + * @param fallback - Fallback value when stats are not available (default: 50000) |
| 47 | + * @returns Estimated number of active developers |
| 48 | + */ |
| 49 | +export function estimateActiveDevelopers(githubStats: GitHubStats | undefined, fallback: number = 50000): number { |
| 50 | + if (!githubStats) { |
| 51 | + return fallback; |
| 52 | + } |
| 53 | + |
| 54 | + // Use fork count as primary indicator |
| 55 | + // Research shows ~5-10 developers per fork in active projects |
| 56 | + const totalForks = calculateTotalForks(githubStats); |
| 57 | + const forkBasedEstimate = totalForks * 7; |
| 58 | + |
| 59 | + // Use stars as secondary indicator |
| 60 | + // ~3-5% of stars represent active developers |
| 61 | + const totalStars = calculateTotalStars(githubStats); |
| 62 | + const starBasedEstimate = totalStars * 0.04; |
| 63 | + |
| 64 | + // Weighted combination |
| 65 | + const estimate = Math.round((forkBasedEstimate * 0.7) + (starBasedEstimate * 0.3)); |
| 66 | + |
| 67 | + // Apply realistic bounds |
| 68 | + return Math.min(Math.max(estimate, 15000), 150000); |
| 69 | +} |
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