uuid/examples/node-commonjs/example.js

const {
  NIL: NIL_UUID,
  MAX: MAX_UUID,
  parse: uuidParse,
  stringify: uuidStringify,
  v1: uuidv1,
  v1ToV6: uuidv1ToV6,
  v3: uuidv3,
  v4: uuidv4,
  v5: uuidv5,
  v6: uuidv6,
  v6ToV1: uuidv6ToV1,
  v7: uuidv7,
  validate: uuidValidate,
  version: uuidVersion,
} = require('uuid');
const uuid = require('uuid');
const pkg = require('uuid/package.json');

console.log('uuidv1()', uuidv1());

console.log('uuidv4()', uuidv4());

console.log('uuidv7()', uuidv7());

// ... using predefined DNS namespace (for domain names)
console.log('uuidv3() DNS', uuidv3('hello.example.com', uuidv3.DNS));

// ... using predefined URL namespace (for, well, URLs)
console.log('uuidv3() URL', uuidv3('http://example.com/hello', uuidv3.URL));

// ... using a custom namespace
//
// Note: Custom namespaces should be a UUID string specific to your application!
// E.g. the one here was generated using this modules `uuid` CLI.
const MY_NAMESPACE = '55238d15-c926-4598-b49d-cf4e913ba13c';
console.log('uuidv3() MY_NAMESPACE', uuidv3('Hello, World!', MY_NAMESPACE));

// ... using predefined DNS namespace (for domain names)
console.log('uuidv5() DNS', uuidv5('hello.example.com', uuidv5.DNS));

// ... using predefined URL namespace (for, well, URLs)
console.log('uuidv5() URL', uuidv5('http://example.com/hello', uuidv5.URL));

// ... using a custom namespace
//
// Note: Custom namespaces should be a UUID string specific to your application!
// E.g. the one here was generated using this modules `uuid` CLI.
// const MY_NAMESPACE = '1b671a64-40d5-491e-99b0-da01ff1f3341';
console.log('uuidv5() MY_NAMESPACE', uuidv5('Hello, World!', MY_NAMESPACE));

console.log('uuidv6()', uuidv6());

// v6 <-> v1 conversion
const V1_ID = 'f1207660-21d2-11ef-8c4f-419efbd44d48';
const V6_ID = '1ef21d2f-1207-6660-8c4f-419efbd44d48';
console.log('uuidv1ToV6()', uuidv1ToV6(V1_ID));
console.log('uuidv6ToV1()', uuidv6ToV1(V6_ID));

// Utility functions
console.log('NIL_UUID', NIL_UUID);
console.log('MAX_UUID', MAX_UUID);
console.log('uuidParse()', uuidParse(MY_NAMESPACE));
console.log('uuidStringify()', uuidStringify(uuidParse(MY_NAMESPACE)));
console.log('uuidValidate()', uuidValidate(MY_NAMESPACE));
console.log('uuidVersion()', uuidVersion(MY_NAMESPACE));

console.log('Same with default export');

console.log('uuid.v1()', uuid.v1());
console.log('uuid.v4()', uuid.v4());
console.log('uuid.v7()', uuid.v7());
console.log('uuid.v3() DNS', uuid.v3('hello.example.com', uuid.v3.DNS));
console.log('uuid.v3() URL', uuid.v3('http://example.com/hello', uuid.v3.URL));
console.log('uuid.v3() MY_NAMESPACE', uuid.v3('Hello, World!', MY_NAMESPACE));
console.log('uuid.v5() DNS', uuid.v5('hello.example.com', uuid.v5.DNS));
console.log('uuid.v5() URL', uuid.v5('http://example.com/hello', uuid.v5.URL));
console.log('uuid.v5() MY_NAMESPACE', uuid.v5('Hello, World!', MY_NAMESPACE));
console.log('uuid.v6()', uuid.v6());

console.log('uuid.v1ToV6()', uuid.v1ToV6(V1_ID));
console.log('uuid.v6ToV1()', uuid.v6ToV1(V6_ID));

console.log('uuid.NIL', uuid.NIL);
console.log('uuid.MAX', uuid.MAX);
console.log('uuid.parse()', uuid.parse(MY_NAMESPACE));
console.log('uuid.stringify()', uuid.stringify(uuid.parse(MY_NAMESPACE)));
console.log('uuid.validate()', uuid.validate(MY_NAMESPACE));
console.log('uuid.version()', uuid.version(MY_NAMESPACE));

// Some tools like react-native need to introspect the package.json file
console.log('pkg.name', pkg.name);