codebase-map/dist/cli-compact.js

A lightweight TypeScript/JavaScript code indexer that generates comprehensive project maps for LLMs

#!/usr/bin/env node
/**
 * CLI command for generating compact index for Claude
 * Usage: npm run index:compact [--format=dsl|graph|mini|ts|auto]
 */
import fs from 'node:fs';
import path from 'node:path';
import { toDSL, toGraph, formatAuto, getCompressionStats } from './core/index-formatter.js';
import { DEFAULT_INDEX_FILENAME } from './constants.js';
const args = process.argv.slice(2);
const formatArg = args.find(a => a.startsWith('--format='));
const format = formatArg?.split('=')[1] || 'auto';
// Load the index
const indexPath = path.join(process.cwd(), DEFAULT_INDEX_FILENAME);
if (!fs.existsSync(indexPath)) {
    console.error(`❌ ${DEFAULT_INDEX_FILENAME} not found. Run "npm run scan" first.`);
    process.exit(1);
}
const index = JSON.parse(fs.readFileSync(indexPath, 'utf-8'));
// Generate compact format
let result;
switch (format) {
    case 'dsl':
        result = { format: 'dsl', content: toDSL(index) };
        break;
    case 'graph':
        result = { format: 'graph', content: toGraph(index) };
        break;
    case 'auto':
    default:
        result = formatAuto(index);
        break;
}
// Save compact version
const outputPath = path.join(process.cwd(), DEFAULT_INDEX_FILENAME + '.compact');
fs.writeFileSync(outputPath, result.content);
// Show stats
const stats = getCompressionStats(index, result.content);
console.log(`✅ Compact index generated: PROJECT_INDEX.compact`);
console.log(`📊 Format: ${result.format}`);
console.log(`📏 Size: ${(stats.compressedSize / 1024).toFixed(1)} KB (${stats.reduction}% reduction)`);
console.log(`🎯 Tokens: ~${stats.estimatedTokens.toLocaleString()} (${Math.round(stats.estimatedTokens / index.metadata.totalFiles)} per file)`);
console.log(`📁 Files: ${index.metadata.totalFiles}`);
// Show usage instructions
console.log('\n💡 Usage with Claude Code:');
console.log('1. Load PROJECT_INDEX.compact into context');
console.log('2. Tell Claude: "Use the project index to understand the codebase structure"');
console.log('3. Claude can now navigate and understand relationships without loading all files');
// Warning for large projects
if (stats.estimatedTokens > 10000) {
    console.log('\n⚠️  Warning: Even compact format uses >10K tokens.');
    console.log('   Consider using --format=graph for maximum compression.');
}
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