@naturalcycles/nodejs-lib/dist/bin/secrets-gen-key.js

Standard library for Node.js

#!/usr/bin/env node
import { randomBytes } from 'node:crypto';
import { dimGrey } from '../colors/colors.js';
import { runScript } from '../script/runScript.js';
import { _yargs } from '../yargs/yargs.util.js';
runScript(() => {
    const { sizeBytes } = _yargs().option('sizeBytes', {
        type: 'number',
        default: 256,
    }).argv;
    const key = randomBytes(sizeBytes).toString('base64');
    console.log(dimGrey('\nSECRET_ENCRYPTION_KEY:\n'));
    console.log(key, '\n');
});