epd/dist/health-checker.js

Enhanced peer dependency resolution for npm, yarn, and pnpm

export async function calculateHealthScore(packageJson) {
    const scores = [];
    const deps = { ...packageJson.dependencies, ...packageJson.devDependencies };
    for (const [pkg, version] of Object.entries(deps)) {
        const health = await analyzePackageHealth(pkg, version);
        scores.push(health);
    }
    return scores.sort((a, b) => a.score - b.score);
}
async function analyzePackageHealth(pkg, version) {
    try {
        const response = await fetch(`https://registry.npmjs.org/${pkg}`);
        const data = await response.json();
        const factors = {
            maintenance: calculateMaintenance(data),
            security: 0.8, // Placeholder - would integrate with security APIs
            popularity: calculatePopularity(data),
            compatibility: 0.9 // Placeholder - would check compatibility
        };
        const score = Object.values(factors).reduce((sum, val) => sum + val, 0) / 4;
        return {
            package: pkg,
            score,
            factors,
            recommendations: generateRecommendations(factors, pkg)
        };
    }
    catch {
        return {
            package: pkg,
            score: 0.5,
            factors: { maintenance: 0.5, security: 0.5, popularity: 0.5, compatibility: 0.5 },
            recommendations: ['Unable to analyze - consider reviewing manually']
        };
    }
}
function calculateMaintenance(data) {
    const lastUpdate = new Date(data.time?.modified || 0);
    const daysSince = (Date.now() - lastUpdate.getTime()) / (1000 * 60 * 60 * 24);
    return Math.max(0, 1 - daysSince / 365);
}
function calculatePopularity(data) {
    const downloads = data.downloads?.weekly || 0;
    return Math.min(1, downloads / 100000);
}
function generateRecommendations(factors, pkg) {
    const recs = [];
    if (factors.maintenance < 0.5)
        recs.push('Consider finding actively maintained alternative');
    if (factors.security < 0.7)
        recs.push('Review security vulnerabilities');
    if (factors.popularity < 0.3)
        recs.push('Low adoption - verify necessity');
    return recs;
}
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