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prefer-node-protocol.md

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Prefer using the node: protocol when importing Node.js builtin modules

💼 This rule is enabled in the ✅ recommended config.

🔧 This rule is automatically fixable by the --fix CLI option.

When importing builtin modules, it's better to use the node: protocol as it makes it perfectly clear that the package is a Node.js builtin module.

Note that Node.js support for this feature began in:

v16.0.0, v14.18.0 (require())

v14.13.1, v12.20.0 (import)

Fail

import dgram from 'dgram';
export {strict as default} from 'assert';
import fs from 'fs/promises';
const fs = require('fs/promises');

Pass

import dgram from 'node:dgram';
export {strict as default} from 'node:assert';
import fs from 'node:fs/promises';
const fs = require('fs');
import _ from 'lodash';
import fs from './fs.js';
const fs = require('node:fs/promises');