Node.js Handbook - How `require()` Actually Works | FredKSchott

Node.js Handbook - How `require()` Actually Works | FredKSchott

Curious, I dug into Node core to find out what was happening under the hood. But instead of finding a single function, I ended up at the heart of Node's module system: module.js. The file contains a surprisingly powerful yet relatively unknown core module that controls the loading, compiling, and caching of every file used. require(), it turned out, was just the tip of the iceberg.

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