List react components imports

list-imports.js

const fs = require('fs');
const path = require('path');
const stats = {};
const numberOfImports = {};

function extractComponentNames(importStatement) {
	const match = importStatement.match(
		/import\s+(?:(\w*),?\s?{?(\s?[^\}]*\s?)}?)\s+from\s+['"](@talend\/.[^\/]*)\/*.*['"]/,
	);
	if (match) {
		const packageName = match[3];
		const defaultImport = match[1];
		const namedImports = match[2] ? match[2].split(',').map(component => component.trim()) : [];
		return { defaultImport, namedImports, packageName };
	}
	return null;
}

function countImports(filePath) {
	const content = fs.readFileSync(filePath, 'utf8');
	const importStatements =
		content.match(/import\s+(?:\w+|{.*})\s+from\s+['"]@talend\/.*['"]/g) || [];
	return importStatements
		.map(importStatement => extractComponentNames(importStatement))
		.filter(Boolean);
}

function traverseDirectory(dirPath) {
	const files = fs.readdirSync(dirPath);
	files.forEach(file => {
		const filePath = path.join(dirPath, file);
		const stat = fs.statSync(filePath);
		if (stat.isDirectory()) {
			traverseDirectory(filePath);
		} else if (filePath.endsWith('.js')) {
			const imports = countImports(filePath);
			if (imports.length > 0) {
				imports.forEach(({ defaultImport, namedImports, packageName }) => {
					if (!numberOfImports[packageName]) {
						numberOfImports[packageName] = 1;
					} else {
						numberOfImports[packageName]++;
					}

					if (defaultImport) {
						if (!stats[packageName]) {
							stats[packageName] = {};
						}
						if (!stats[packageName][defaultImport]) {
							stats[packageName][defaultImport] = 1;
						} else {
							stats[packageName][defaultImport]++;
						}
					}
					namedImports.forEach(componentName => {
						if (!stats[packageName]) {
							stats[packageName] = {};
						}
						if (!stats[packageName][componentName]) {
							stats[packageName][componentName] = 1;
						} else {
							stats[packageName][componentName]++;
						}
					});
				});
			}
		}
	});
}

traverseDirectory('./frontend/src/');
traverseDirectory('./packages/');
traverseDirectory('./tools/');
console.log(stats['@talend/react-components'], stats['@talend/react-containers'], numberOfImports);