Node.js package configuration guideJanuary 7, 2026 ยท View on GitHubGetting started CommonJS and ESM Introduction to package.json Basics Single-file package configurations Single-file CommonJS package Single-file ESM package Multi-file package configurations CommonJS and ESM interoperability Shipping CommonJS for ESM Shipping ESM for CommonJS Migrating CommonJS to ESM Migrating imports Migrating exports Migrating context-local variables Migrating package.json