arela/dist/detect/reporter.js

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/**
 * Format and display slice detection results
 */
import pc from "picocolors";
/**
 * Format the slice report for terminal display
 */
export function formatReport(report) {
    const lines = [];
    lines.push("");
    lines.push(pc.bold(pc.cyan("🔍 Autonomous Slice Detection")));
    lines.push("");
    // Summary statistics
    lines.push(pc.gray(`📊 Analyzed ${report.totalFiles} files across ${report.totalImports} imports`));
    lines.push("");
    // Detected slices
    lines.push(pc.bold(`✨ Detected ${report.sliceCount} optimal vertical slices:`));
    lines.push("");
    for (let i = 0; i < report.slices.length; i++) {
        const slice = report.slices[i];
        const cohesionBar = createCohesionBar(slice.cohesion);
        const coupling = calculateCoupling(slice);
        lines.push(pc.bold(`${i + 1}. ${slice.name} (${slice.fileCount} files, cohesion: ${slice.cohesion.toFixed(1)}%)`));
        // Show file list (limited)
        const filesToShow = Math.min(5, slice.files.length);
        for (let j = 0; j < filesToShow; j++) {
            lines.push(pc.gray(`   - ${slice.files[j]}`));
        }
        if (slice.files.length > filesToShow) {
            lines.push(pc.gray(`   ... and ${slice.files.length - filesToShow} more`));
        }
        lines.push("");
    }
    // Recommendations
    if (report.recommendations.length > 0) {
        lines.push(pc.bold("💡 Recommendations:"));
        for (const rec of report.recommendations) {
            lines.push(pc.cyan(`   - ${rec}`));
        }
        lines.push("");
    }
    lines.push(pc.bold("📋 Next step:") + " arela detect slices --json slices.json");
    lines.push("");
    return lines.join("\n");
}
/**
 * Format the slice report as JSON
 */
export function formatReportJSON(report) {
    return JSON.stringify(report, null, 2);
}
/**
 * Create a visual cohesion bar
 */
function createCohesionBar(cohesion) {
    const filled = Math.round(cohesion / 10);
    const empty = 10 - filled;
    const bar = "█".repeat(filled) + "░".repeat(empty);
    if (cohesion >= 80) {
        return pc.green(bar);
    }
    else if (cohesion >= 60) {
        return pc.yellow(bar);
    }
    else {
        return pc.red(bar);
    }
}
/**
 * Calculate coupling quality
 */
function calculateCoupling(slice) {
    if (slice.externalImports === 0) {
        return "isolated";
    }
    const ratio = slice.internalImports / (slice.internalImports + slice.externalImports);
    if (ratio > 0.8) {
        return "low coupling";
    }
    else if (ratio > 0.5) {
        return "moderate coupling";
    }
    else {
        return "high coupling";
    }
}
/**
 * Format recommendations based on slices
 */
export function generateRecommendations(slices) {
    const recommendations = [];
    // Check if any slices exist
    if (slices.length === 0) {
        recommendations.push("No clear slice boundaries detected. Consider refactoring.");
        return recommendations;
    }
    // Check average cohesion
    const avgCohesion = slices.reduce((sum, s) => sum + s.cohesion, 0) / slices.length;
    if (avgCohesion < 70) {
        recommendations.push("Average slice cohesion is low. Consider further refactoring.");
    }
    // Create feature directories
    recommendations.push(`Create feature directories: ${slices.map((s) => `features/${s.name}/`).join(", ")}`);
    // Move files into slices
    recommendations.push("Move files into their respective slice directories");
    // Extract shared utilities
    const sharedUtilFiles = slices.flatMap((s) => s.files.filter((f) => f.includes("util") || f.includes("common")));
    if (sharedUtilFiles.length > 0) {
        recommendations.push("Extract shared utilities to a common/ directory");
    }
    // Define slice boundaries
    recommendations.push("Define slice boundaries with barrel exports (index.ts)");
    // Consider API boundaries
    recommendations.push("Consider creating API contracts between slices");
    // High coupling warning
    const highCouplingSlices = slices.filter((s) => s.cohesion < 60);
    if (highCouplingSlices.length > 0) {
        recommendations.push(`Review high-coupling slices: ${highCouplingSlices.map((s) => s.name).join(", ")}`);
    }
    return recommendations;
}
/**
 * Print verbose debug information
 */
export function printVerboseInfo(report) {
    console.log(pc.gray("\n📋 Verbose Analysis:"));
    console.log(pc.gray(`Total slices: ${report.sliceCount}`));
    console.log(pc.gray(`Total files: ${report.totalFiles}`));
    console.log(pc.gray(`Total imports: ${report.totalImports}`));
    const avgCohesion = report.slices.reduce((sum, s) => sum + s.cohesion, 0) / report.slices.length;
    console.log(pc.gray(`Average cohesion: ${avgCohesion.toFixed(1)}%`));
    const avgSize = report.slices.reduce((sum, s) => sum + s.fileCount, 0) / report.slices.length;
    console.log(pc.gray(`Average slice size: ${avgSize.toFixed(1)} files`));
    console.log(pc.gray(""));
}
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