diff options
Diffstat (limited to 'deps/npm/node_modules/uuid/README.md')
-rw-r--r-- | deps/npm/node_modules/uuid/README.md | 162 |
1 files changed, 114 insertions, 48 deletions
diff --git a/deps/npm/node_modules/uuid/README.md b/deps/npm/node_modules/uuid/README.md index 5adaa8f946..cddaa14469 100644 --- a/deps/npm/node_modules/uuid/README.md +++ b/deps/npm/node_modules/uuid/README.md @@ -1,14 +1,21 @@ +<!-- + -- This file is auto-generated from README_js.md. Changes should be made there. + --> + # uuid [![Build Status](https://secure.travis-ci.org/kelektiv/node-uuid.svg?branch=master)](http://travis-ci.org/kelektiv/node-uuid) # Simple, fast generation of [RFC4122](http://www.ietf.org/rfc/rfc4122.txt) UUIDS. Features: -* Support for version 1, 4 and 5 UUIDs +* Support for version 1, 3, 4 and 5 UUIDs * Cross-platform * Uses cryptographically-strong random number APIs (when available) * Zero-dependency, small footprint (... but not [this small](https://gist.github.com/982883)) +[**Deprecation warning**: The use of `require('uuid')` is deprecated and will not be +supported after version 3.x of this module. Instead, use `require('uuid/[v1|v3|v4|v5]')` as shown in the examples below.] + ## Quickstart - CommonJS (Recommended) ```shell @@ -21,14 +28,36 @@ Version 1 (timestamp): ```javascript const uuidv1 = require('uuid/v1'); -uuidv1(); // -> '6c84fb90-12c4-11e1-840d-7b25c5ee775a' +uuidv1(); // ⇨ 'f64f2940-fae4-11e7-8c5f-ef356f279131' + +``` + +Version 3 (namespace): + +```javascript +const uuidv3 = require('uuid/v3'); + +// ... using predefined DNS namespace (for domain names) +uuidv3('hello.example.com', uuidv3.DNS); // ⇨ '9125a8dc-52ee-365b-a5aa-81b0b3681cf6' + +// ... using predefined URL namespace (for, well, URLs) +uuidv3('http://example.com/hello', uuidv3.URL); // ⇨ 'c6235813-3ba4-3801-ae84-e0a6ebb7d138' + +// ... 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'; +uuidv3('Hello, World!', MY_NAMESPACE); // ⇨ 'e8b5a51d-11c8-3310-a6ab-367563f20686' + ``` Version 4 (random): ```javascript const uuidv4 = require('uuid/v4'); -uuidv4(); // -> '110ec58a-a0f2-4ac4-8393-c866d813b8d1' +uuidv4(); // ⇨ '416ac246-e7ac-49ff-93b4-f7e94d997e6b' + ``` Version 5 (namespace): @@ -37,14 +66,18 @@ Version 5 (namespace): const uuidv5 = require('uuid/v5'); // ... using predefined DNS namespace (for domain names) -uuidv5('hello.example.com', uuidv5.DNS)); // -> 'fdda765f-fc57-5604-a269-52a7df8164ec' +uuidv5('hello.example.com', uuidv5.DNS); // ⇨ 'fdda765f-fc57-5604-a269-52a7df8164ec' // ... using predefined URL namespace (for, well, URLs) -uuidv5('http://example.com/hello', uuidv5.URL); // -> '3bbcee75-cecc-5b56-8031-b6641c1ed1f1' +uuidv5('http://example.com/hello', uuidv5.URL); // ⇨ '3bbcee75-cecc-5b56-8031-b6641c1ed1f1' // ... using a custom namespace -const MY_NAMESPACE = '<UUID string you previously generated elsewhere>'; -uuidv5('Hello, World!', MY_NAMESPACE); // -> '90123e1c-7512-523e-bb28-76fab9f2f73d' +// +// 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'; +uuidv5('Hello, World!', MY_NAMESPACE); // ⇨ '630eb68f-e0fa-5ecc-887a-7c7a62614681' + ``` ## Quickstart - Browser-ready Versions @@ -60,6 +93,15 @@ uuidv1(); // -> v1 UUID </script> ``` +For version 3 uuids: + +```html +<script src="http://wzrd.in/standalone/uuid%2Fv3@latest"></script> +<script> +uuidv3('http://example.com/hello', uuidv3.URL); // -> v3 UUID +</script> +``` + For version 4 uuids: ```html @@ -85,7 +127,7 @@ uuidv5('http://example.com/hello', uuidv5.URL); // -> v5 UUID ```javascript const uuidv1 = require('uuid/v1'); -// Allowed arguments +// Incantations uuidv1(); uuidv1(options); uuidv1(options, buffer, offset); @@ -97,7 +139,7 @@ Generate and return a RFC4122 v1 (timestamp-based) UUID. * `node` - (Array) Node id as Array of 6 bytes (per 4.1.6). Default: Randomly generated ID. See note 1. * `clockseq` - (Number between 0 - 0x3fff) RFC clock sequence. Default: An internally maintained clockseq is used. - * `msecs` - (Number | Date) Time in milliseconds since unix Epoch. Default: The current time is used. + * `msecs` - (Number) Time in milliseconds since unix Epoch. Default: The current time is used. * `nsecs` - (Number between 0-9999) additional time, in 100-nanosecond units. Ignored if `msecs` is unspecified. Default: internal uuid counter is used, as per 4.2.1.2. * `buffer` - (Array | Buffer) Array or buffer where UUID bytes are to be written. @@ -110,21 +152,51 @@ Note: The <node> id is generated guaranteed to stay constant for the lifetime of Example: Generate string UUID with fully-specified options ```javascript -uuidv1({ +const v1options = { node: [0x01, 0x23, 0x45, 0x67, 0x89, 0xab], clockseq: 0x1234, msecs: new Date('2011-11-01').getTime(), nsecs: 5678 -}); // -> "710b962e-041c-11e1-9234-0123456789ab" +}; +uuidv1(v1options); // ⇨ '710b962e-041c-11e1-9234-0123456789ab' + ``` Example: In-place generation of two binary IDs ```javascript // Generate two ids in an array -const arr = new Array(32); // -> [] -uuidv1(null, arr, 0); // -> [02 a2 ce 90 14 32 11 e1 85 58 0b 48 8e 4f c1 15] -uuidv1(null, arr, 16); // -> [02 a2 ce 90 14 32 11 e1 85 58 0b 48 8e 4f c1 15 02 a3 1c b0 14 32 11 e1 85 58 0b 48 8e 4f c1 15] +const arr = new Array(); +uuidv1(null, arr, 0); // ⇨ [ 246, 87, 141, 176, 250, 228, 17, 231, 146, 52, 239, 53, 111, 39, 145, 49 ] +uuidv1(null, arr, 16); // ⇨ [ 246, 87, 141, 176, 250, 228, 17, 231, 146, 52, 239, 53, 111, 39, 145, 49, 246, 87, 180, 192, 250, 228, 17, 231, 146, 52, 239, 53, 111, 39, 145, 49 ] + +``` + +### Version 3 + +```javascript +const uuidv3 = require('uuid/v3'); + +// Incantations +uuidv3(name, namespace); +uuidv3(name, namespace, buffer); +uuidv3(name, namespace, buffer, offset); +``` + +Generate and return a RFC4122 v3 UUID. + +* `name` - (String | Array[]) "name" to create UUID with +* `namespace` - (String | Array[]) "namespace" UUID either as a String or Array[16] of byte values +* `buffer` - (Array | Buffer) Array or buffer where UUID bytes are to be written. +* `offset` - (Number) Starting index in `buffer` at which to begin writing. Default = 0 + +Returns `buffer`, if specified, otherwise the string form of the UUID + +Example: + +```javascript +uuidv3('hello world', MY_NAMESPACE); // ⇨ '042ffd34-d989-321c-ad06-f60826172424' + ``` ### Version 4 @@ -132,7 +204,7 @@ uuidv1(null, arr, 16); // -> [02 a2 ce 90 14 32 11 e1 85 58 0b 48 8e 4f c1 15 0 ```javascript const uuidv4 = require('uuid/v4') -// Allowed arguments +// Incantations uuidv4(); uuidv4(options); uuidv4(options, buffer, offset); @@ -148,38 +220,40 @@ Generate and return a RFC4122 v4 UUID. Returns `buffer`, if specified, otherwise the string form of the UUID -Example: Generate string UUID with fully-specified options +Example: Generate string UUID with predefined `random` values ```javascript -uuid.v4({ +const v4options = { random: [ 0x10, 0x91, 0x56, 0xbe, 0xc4, 0xfb, 0xc1, 0xea, 0x71, 0xb4, 0xef, 0xe1, 0x67, 0x1c, 0x58, 0x36 ] -}); -// -> "109156be-c4fb-41ea-b1b4-efe1671c5836" +}; +uuidv4(v4options); // ⇨ '109156be-c4fb-41ea-b1b4-efe1671c5836' + ``` Example: Generate two IDs in a single buffer ```javascript -const buffer = new Array(32); // (or 'new Buffer' in node.js) -uuid.v4(null, buffer, 0); -uuid.v4(null, buffer, 16); +const buffer = new Array(); +uuidv4(null, buffer, 0); // ⇨ [ 175, 10, 162, 184, 217, 255, 77, 139, 161, 80, 41, 200, 70, 238, 196, 250 ] +uuidv4(null, buffer, 16); // ⇨ [ 175, 10, 162, 184, 217, 255, 77, 139, 161, 80, 41, 200, 70, 238, 196, 250, 75, 162, 105, 153, 48, 238, 77, 58, 169, 56, 158, 207, 106, 160, 47, 239 ] + ``` ### Version 5 ```javascript -const uuidv5 = require('uuid/v4'); +const uuidv5 = require('uuid/v5'); -// Allowed arguments +// Incantations uuidv5(name, namespace); uuidv5(name, namespace, buffer); uuidv5(name, namespace, buffer, offset); ``` -Generate and return a RFC4122 v4 UUID. +Generate and return a RFC4122 v5 UUID. * `name` - (String | Array[]) "name" to create UUID with * `namespace` - (String | Array[]) "namespace" UUID either as a String or Array[16] of byte values @@ -191,37 +265,29 @@ Returns `buffer`, if specified, otherwise the string form of the UUID Example: ```javascript -// Generate a unique namespace (typically you would do this once, outside of -// your project, then bake this value into your code) -const uuidv4 = require('uuid/v4'); -const MY_NAMESPACE = uuidv4(); // +uuidv5('hello world', MY_NAMESPACE); // ⇨ '9f282611-e0fd-5650-8953-89c8e342da0b' -// Generate a couple namespace uuids -const uuidv5 = require('uuid/v5'); -uuidv5('hello', MY_NAMESPACE); -uuidv5('world', MY_NAMESPACE); ``` -## Testing +## Command Line -```shell -npm test -``` +UUIDs can be generated from the command line with the `uuid` command. -## Deprecated / Browser-ready API +```shell +$ uuid +ddeb27fb-d9a0-4624-be4d-4615062daed4 -The API below is available for legacy purposes and is not expected to be available post-3.X +$ uuid v1 +02d37060-d446-11e7-a9fa-7bdae751ebe1 +``` -```javascript -const uuid = require('uuid'); +Type `uuid --help` for usage details -uuid.v1(...); // alias of uuid/v1 -uuid.v4(...); // alias of uuid/v4 -uuid(...); // alias of uuid/v4 +## Testing -// uuid.v5() is not supported in this API +```shell +npm test ``` -## Legacy node-uuid package - -The code for the legacy node-uuid package is available in the `node-uuid` branch. +---- +Markdown generated from [README_js.md](README_js.md) by [![RunMD Logo](http://i.imgur.com/h0FVyzU.png)](https://github.com/broofa/runmd)
\ No newline at end of file |