devghost/dist/core.js

👻 Find dead code, dead imports, and dead dependencies before they haunt your project

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.analyze = analyze;
const deps_1 = require("./analyzer/deps");
const files_1 = require("./analyzer/files");
const imports_1 = require("./analyzer/imports");
const unusedExports_1 = require("./analyzer/unusedExports");
const unusedFunctions_1 = require("./analyzer/unusedFunctions");
const unusedTypes_1 = require("./analyzer/unusedTypes");
const unusedVariables_1 = require("./analyzer/unusedVariables");
const fs_1 = require("./utils/fs");
/**
 * Main analysis function that orchestrates all analyzers
 */
async function analyze(config = {}) {
    // Find project root
    const projectRoot = (0, fs_1.findProjectRoot)();
    if (!projectRoot) {
        throw new Error('Could not find project root (no package.json found)');
    }
    // Read package.json
    const packageJson = (0, fs_1.readPackageJson)(projectRoot);
    if (!packageJson) {
        throw new Error('Could not read package.json. Make sure you are in a Node.js project directory.\n' +
            'Run this command from your project root (where package.json is located).');
    }
    // Get all source files
    const allFiles = await (0, fs_1.getAllFiles)(projectRoot);
    // Apply ignore patterns
    const ignorePatterns = config.ignore || [
        '**/*.test.ts',
        '**/*.test.tsx',
        '**/*.spec.ts',
        '**/*.spec.tsx',
        '**/__tests__/**',
        '**/.next/**',
        '**/dist/**',
        '**/build/**',
    ];
    const files = allFiles.filter((f) => !(0, fs_1.matchesIgnorePattern)(f, ignorePatterns));
    // Show progress for large projects
    if (!config.quiet && !config.ci && files.length > 50) {
        console.log(`Analyzing ${files.length} files...`);
    }
    // Run analyzers in parallel
    const [unusedImports, unusedFiles, unusedDependencies, unusedExports, unusedFunctions, unusedTypes, unusedVariables,] = await Promise.all([
        (0, imports_1.analyzeImports)(files),
        (0, files_1.analyzeFiles)(files, config.entry),
        (0, deps_1.analyzeDependencies)(files, packageJson, projectRoot, config.includeDev),
        (0, unusedExports_1.analyzeUnusedExports)(files),
        (0, unusedFunctions_1.analyzeUnusedFunctions)(files),
        (0, unusedTypes_1.analyzeUnusedTypes)(files),
        (0, unusedVariables_1.analyzeUnusedVariables)(files),
    ]);
    // Calculate statistics
    const stats = {
        totalFiles: allFiles.length,
        filesScanned: files.length,
        totalDependencies: Object.keys(packageJson.dependencies || {}).length +
            Object.keys(packageJson.devDependencies || {}).length,
        potentialSavings: {
            lines: unusedFiles.reduce((sum, f) => sum + f.lines, 0) +
                unusedImports.length +
                unusedFunctions.length +
                unusedTypes.length +
                unusedVariables.length,
            bytes: unusedFiles.reduce((sum, f) => sum + f.size, 0),
            dependencies: unusedDependencies.length,
            dependenciesSize: unusedDependencies.reduce((sum, d) => sum + d.size, 0),
        },
    };
    return {
        unusedImports,
        unusedFiles,
        unusedDependencies,
        unusedExports,
        unusedFunctions,
        unusedTypes,
        unusedVariables,
        stats,
    };
}
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