From the beginning, Bun was designed to be a drop-in replacement for Node.js. That’s why Bun implements Node’s globals. That’s also why Bun automatically detect

From the beginning, Bun was designed to be a drop-in replacement for Node.js. That’s why Bun implements Node’s globals. That’s also why Bun automatically detects when CommonJS is used in the entry point and ensures CommonJS is loaded. require and many other Node.js features “just work” in Bun.