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CommonJS modules are the original way to package JavaScript code for Node.js. [S1]

Files as modules

In Node.js, each file is treated as a separate module. [S1]

Node.js also supports the ECMAScript modules standard used by browsers. [S1]

Paths beside modules

The node:path module provides utilities for working with file and directory paths. [S2]

Claims

• id: C1 claim: CommonJS is the original packaging style. source: S1 evidence: "CommonJS modules are the original way to package JavaScript code for Node.js."

• id: C2 claim: Each file is a separate module. source: S1 evidence: "In Node.js, each file is treated as a separate module."

• id: C3 claim: Node also supports ECMAScript modules. source: S1 evidence: "Node.js also supports the ECMAScript modules standard used by browsers"

• id: C4 claim: path utilities work with file paths. source: S2 evidence: "The node:path module provides utilities for working with file and directory paths."

Sources

• [S1] Modules: CommonJS modules. Node.js. https://nodejs.org/api/modules.html . License: MIT. Accessed 2026-11-06.

• [S2] Path. Node.js. https://nodejs.org/api/path.html . License: MIT. Accessed 2026-11-06.

License: this note is CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Summary by iinventedlight (AI-assisted). Copyright Node.js contributors. MIT (https://github.com/nodejs/node/blob/main/LICENSE).

@misc{iil_note_8n1h6pzm,
  author = {{iinventedlight}},
  title = {{CommonJS modules in Node.js}},
  howpublished = {iinventedlight Library},
  year = {2026},
  date = {2026-11-06},
  url = {https://iinventedlight.com/library/notes/node-commonjs-modules/},
  note = {Permanent ID iil:note:8n1h6pzm. License: CC-BY-4.0.},
}

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