├── .DS_Store ├── .gitignore ├── LICENSE ├── README.md ├── benchmark.js ├── dist └── lsp-uuid.umd.js ├── index.d.ts ├── index.html ├── index.js ├── package-lock.json ├── package.json ├── server.js ├── test └── index.test.js ├── utils.js └── webpack.config.js /.DS_Store: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/ryouaki/lsp-uuid/fa1b46fbf871bd91532261b68d565e8411a1f068/.DS_Store -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | # Logs 2 | logs 3 | *.log 4 | npm-debug.log* 5 | yarn-debug.log* 6 | yarn-error.log* 7 | lerna-debug.log* 8 | 9 | # Diagnostic reports (https://nodejs.org/api/report.html) 10 | report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json 11 | 12 | # Runtime data 13 | pids 14 | *.pid 15 | *.seed 16 | *.pid.lock 17 | 18 | # Directory for instrumented libs generated by jscoverage/JSCover 19 | lib-cov 20 | 21 | # Coverage directory used by tools like istanbul 22 | coverage 23 | *.lcov 24 | 25 | # nyc test coverage 26 | .nyc_output 27 | 28 | # Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files) 29 | .grunt 30 | 31 | # Bower dependency directory (https://bower.io/) 32 | bower_components 33 | 34 | # node-waf configuration 35 | .lock-wscript 36 | 37 | # Compiled binary addons (https://nodejs.org/api/addons.html) 38 | build/Release 39 | 40 | # Dependency directories 41 | node_modules/ 42 | jspm_packages/ 43 | 44 | # TypeScript v1 declaration files 45 | typings/ 46 | 47 | # TypeScript cache 48 | *.tsbuildinfo 49 | 50 | # Optional npm cache directory 51 | .npm 52 | 53 | # Optional eslint cache 54 | .eslintcache 55 | 56 | # Microbundle cache 57 | .rpt2_cache/ 58 | .rts2_cache_cjs/ 59 | .rts2_cache_es/ 60 | .rts2_cache_umd/ 61 | 62 | # Optional REPL history 63 | .node_repl_history 64 | 65 | # Output of 'npm pack' 66 | *.tgz 67 | 68 | # Yarn Integrity file 69 | .yarn-integrity 70 | 71 | # dotenv environment variables file 72 | .env 73 | .env.test 74 | 75 | # parcel-bundler cache (https://parceljs.org/) 76 | .cache 77 | 78 | # Next.js build output 79 | .next 80 | 81 | # Nuxt.js build / generate output 82 | .nuxt 83 | 84 | # Gatsby files 85 | .cache/ 86 | # Comment in the public line in if your project uses Gatsby and *not* Next.js 87 | # https://nextjs.org/blog/next-9-1#public-directory-support 88 | # public 89 | 90 | # vuepress build output 91 | .vuepress/dist 92 | 93 | # Serverless directories 94 | .serverless/ 95 | 96 | # FuseBox cache 97 | .fusebox/ 98 | 99 | # DynamoDB Local files 100 | .dynamodb/ 101 | 102 | # TernJS port file 103 | .tern-port 104 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. Definitions. 8 | 9 | "License" shall mean the terms and conditions for use, reproduction, 10 | and distribution as defined by Sections 1 through 9 of this document. 11 | 12 | "Licensor" shall mean the copyright owner or entity authorized by 13 | the copyright owner that is granting the License. 14 | 15 | "Legal Entity" shall mean the union of the acting entity and all 16 | other entities that control, are controlled by, or are under common 17 | control with that entity. For the purposes of this definition, 18 | "control" means (i) the power, direct or indirect, to cause the 19 | direction or management of such entity, whether by contract or 20 | otherwise, or (ii) ownership of fifty percent (50%) or more of the 21 | outstanding shares, or (iii) beneficial ownership of such entity. 22 | 23 | "You" (or "Your") shall mean an individual or Legal Entity 24 | exercising permissions granted by this License. 25 | 26 | "Source" form shall mean the preferred form for making modifications, 27 | including but not limited to software source code, documentation 28 | source, and configuration files. 29 | 30 | "Object" form shall mean any form resulting from mechanical 31 | transformation or translation of a Source form, including but 32 | not limited to compiled object code, generated documentation, 33 | and conversions to other media types. 34 | 35 | "Work" shall mean the work of authorship, whether in Source or 36 | Object form, made available under the License, as indicated by a 37 | copyright notice that is included in or attached to the work 38 | (an example is provided in the Appendix below). 39 | 40 | "Derivative Works" shall mean any work, whether in Source or Object 41 | form, that is based on (or derived from) the Work and for which the 42 | editorial revisions, annotations, elaborations, or other modifications 43 | represent, as a whole, an original work of authorship. For the purposes 44 | of this License, Derivative Works shall not include works that remain 45 | separable from, or merely link (or bind by name) to the interfaces of, 46 | the Work and Derivative Works thereof. 47 | 48 | "Contribution" shall mean any work of authorship, including 49 | the original version of the Work and any modifications or additions 50 | to that Work or Derivative Works thereof, that is intentionally 51 | submitted to Licensor for inclusion in the Work by the copyright owner 52 | or by an individual or Legal Entity authorized to submit on behalf of 53 | the copyright owner. For the purposes of this definition, "submitted" 54 | means any form of electronic, verbal, or written communication sent 55 | to the Licensor or its representatives, including but not limited to 56 | communication on electronic mailing lists, source code control systems, 57 | and issue tracking systems that are managed by, or on behalf of, the 58 | Licensor for the purpose of discussing and improving the Work, but 59 | excluding communication that is conspicuously marked or otherwise 60 | designated in writing by the copyright owner as "Not a Contribution." 61 | 62 | "Contributor" shall mean Licensor and any individual or Legal Entity 63 | on behalf of whom a Contribution has been received by Licensor and 64 | subsequently incorporated within the Work. 65 | 66 | 2. Grant of Copyright License. Subject to the terms and conditions of 67 | this License, each Contributor hereby grants to You a perpetual, 68 | worldwide, non-exclusive, no-charge, royalty-free, irrevocable 69 | copyright license to reproduce, prepare Derivative Works of, 70 | publicly display, publicly perform, sublicense, and distribute the 71 | Work and such Derivative Works in Source or Object form. 72 | 73 | 3. Grant of Patent License. Subject to the terms and conditions of 74 | this License, each Contributor hereby grants to You a perpetual, 75 | worldwide, non-exclusive, no-charge, royalty-free, irrevocable 76 | (except as stated in this section) patent license to make, have made, 77 | use, offer to sell, sell, import, and otherwise transfer the Work, 78 | where such license applies only to those patent claims licensable 79 | by such Contributor that are necessarily infringed by their 80 | Contribution(s) alone or by combination of their Contribution(s) 81 | with the Work to which such Contribution(s) was submitted. If You 82 | institute patent litigation against any entity (including a 83 | cross-claim or counterclaim in a lawsuit) alleging that the Work 84 | or a Contribution incorporated within the Work constitutes direct 85 | or contributory patent infringement, then any patent licenses 86 | granted to You under this License for that Work shall terminate 87 | as of the date such litigation is filed. 88 | 89 | 4. Redistribution. You may reproduce and distribute copies of the 90 | Work or Derivative Works thereof in any medium, with or without 91 | modifications, and in Source or Object form, provided that You 92 | meet the following conditions: 93 | 94 | (a) You must give any other recipients of the Work or 95 | Derivative Works a copy of this License; and 96 | 97 | (b) You must cause any modified files to carry prominent notices 98 | stating that You changed the files; and 99 | 100 | (c) You must retain, in the Source form of any Derivative Works 101 | that You distribute, all copyright, patent, trademark, and 102 | attribution notices from the Source form of the Work, 103 | excluding those notices that do not pertain to any part of 104 | the Derivative Works; and 105 | 106 | (d) If the Work includes a "NOTICE" text file as part of its 107 | distribution, then any Derivative Works that You distribute must 108 | include a readable copy of the attribution notices contained 109 | within such NOTICE file, excluding those notices that do not 110 | pertain to any part of the Derivative Works, in at least one 111 | of the following places: within a NOTICE text file distributed 112 | as part of the Derivative Works; within the Source form or 113 | documentation, if provided along with the Derivative Works; or, 114 | within a display generated by the Derivative Works, if and 115 | wherever such third-party notices normally appear. The contents 116 | of the NOTICE file are for informational purposes only and 117 | do not modify the License. You may add Your own attribution 118 | notices within Derivative Works that You distribute, alongside 119 | or as an addendum to the NOTICE text from the Work, provided 120 | that such additional attribution notices cannot be construed 121 | as modifying the License. 122 | 123 | You may add Your own copyright statement to Your modifications and 124 | may provide additional or different license terms and conditions 125 | for use, reproduction, or distribution of Your modifications, or 126 | for any such Derivative Works as a whole, provided Your use, 127 | reproduction, and distribution of the Work otherwise complies with 128 | the conditions stated in this License. 129 | 130 | 5. Submission of Contributions. Unless You explicitly state otherwise, 131 | any Contribution intentionally submitted for inclusion in the Work 132 | by You to the Licensor shall be under the terms and conditions of 133 | this License, without any additional terms or conditions. 134 | Notwithstanding the above, nothing herein shall supersede or modify 135 | the terms of any separate license agreement you may have executed 136 | with Licensor regarding such Contributions. 137 | 138 | 6. Trademarks. This License does not grant permission to use the trade 139 | names, trademarks, service marks, or product names of the Licensor, 140 | except as required for reasonable and customary use in describing the 141 | origin of the Work and reproducing the content of the NOTICE file. 142 | 143 | 7. Disclaimer of Warranty. Unless required by applicable law or 144 | agreed to in writing, Licensor provides the Work (and each 145 | Contributor provides its Contributions) on an "AS IS" BASIS, 146 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or 147 | implied, including, without limitation, any warranties or conditions 148 | of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A 149 | PARTICULAR PURPOSE. You are solely responsible for determining the 150 | appropriateness of using or redistributing the Work and assume any 151 | risks associated with Your exercise of permissions under this License. 152 | 153 | 8. Limitation of Liability. In no event and under no legal theory, 154 | whether in tort (including negligence), contract, or otherwise, 155 | unless required by applicable law (such as deliberate and grossly 156 | negligent acts) or agreed to in writing, shall any Contributor be 157 | liable to You for damages, including any direct, indirect, special, 158 | incidental, or consequential damages of any character arising as a 159 | result of this License or out of the use or inability to use the 160 | Work (including but not limited to damages for loss of goodwill, 161 | work stoppage, computer failure or malfunction, or any and all 162 | other commercial damages or losses), even if such Contributor 163 | has been advised of the possibility of such damages. 164 | 165 | 9. Accepting Warranty or Additional Liability. While redistributing 166 | the Work or Derivative Works thereof, You may choose to offer, 167 | and charge a fee for, acceptance of support, warranty, indemnity, 168 | or other liability obligations and/or rights consistent with this 169 | License. However, in accepting such obligations, You may act only 170 | on Your own behalf and on Your sole responsibility, not on behalf 171 | of any other Contributor, and only if You agree to indemnify, 172 | defend, and hold each Contributor harmless for any liability 173 | incurred by, or claims asserted against, such Contributor by reason 174 | of your accepting any such warranty or additional liability. 175 | 176 | END OF TERMS AND CONDITIONS 177 | 178 | APPENDIX: How to apply the Apache License to your work. 179 | 180 | To apply the Apache License to your work, attach the following 181 | boilerplate notice, with the fields enclosed by brackets "[]" 182 | replaced with your own identifying information. (Don't include 183 | the brackets!) The text should be enclosed in the appropriate 184 | comment syntax for the file format. We also recommend that a 185 | file or class name and description of purpose be included on the 186 | same "printed page" as the copyright notice for easier 187 | identification within third-party archives. 188 | 189 | Copyright [yyyy] [name of copyright owner] 190 | 191 | Licensed under the Apache License, Version 2.0 (the "License"); 192 | you may not use this file except in compliance with the License. 193 | You may obtain a copy of the License at 194 | 195 | http://www.apache.org/licenses/LICENSE-2.0 196 | 197 | Unless required by applicable law or agreed to in writing, software 198 | distributed under the License is distributed on an "AS IS" BASIS, 199 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 200 | See the License for the specific language governing permissions and 201 | limitations under the License. 202 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # lsp-uuid 2 | A powerful, fast and small uuid generator based on `SnowFlake` for both Browser and Nodejs. Keep sequence and can be deserialized. 3 | 4 | ## Why lsp-uuid 5 | lsp-uuid has this features below: 6 | - up to 65536 different ids in one second. 7 | - keep sequence. 8 | - id‘s length is 15. less than others. Server side is 29. 9 | - can be deserialized. 10 | - no dependencies. 11 | - less than 1kb. 12 | - can work both for borwser and node side. 13 | - keep unique on distribute system. 14 | 15 | ## Benchmark 16 | | lsp-uuid | random-32char | random-hex32 | random-32 | random-16 | lsp-uuid(server) | 17 | | -- | -- | -- | -- | -- | -- | 18 | | 55330ms/billion | 214773ms/billion | 116751ms/billion | 50055ms/billion | 60735ms/billion | 55061ms/billion | 19 | 20 | ## How to use 21 | 22 | ### Using npm 23 | ```sh 24 | $ npm install lsp-uuid -save 25 | ``` 26 | 27 | ### Using Browser 28 | ```html 29 | 30 | ``` 31 | 32 | ### For es module 33 | ```js 34 | import { uuid, parse } from 'lsp-uuid' 35 | import { s_uuid } from 'lsp-uuid/server' 36 | 37 | const id = uuid() // 5f095641fe00000 38 | const suid = s_uuid() // ab04f349e710000-0a1a670d-af79 39 | parse(id) // {flg: 0, timestamp: 1632714164216, count: 0} 40 | ``` 41 | 42 | ## For CDN and Browser 43 | ```html 44 | 45 | 46 | 49 | 50 | const id = lspUUID.uuid() // 5f095641fe00000 51 | lspUUID.parse(id) // {flg: 0, timestamp: 1632714164216, count: 0} 52 | 53 | 54 | ``` 55 | 56 | # Who use? 57 |
58 | 59 | 60 | 61 |
62 | -------------------------------------------------------------------------------- /benchmark.js: -------------------------------------------------------------------------------- 1 | const { uuid } = require('./index') 2 | const { s_uuid } = require('./server') 3 | 4 | function uuid1() { 5 | return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) { 6 | var r = Math.random() * 16 | 0, 7 | v = c == 'x' ? r : (r & 0x3 | 0x8); 8 | return v.toString(16); 9 | }); 10 | } 11 | 12 | function uuid2() { 13 | var s = []; 14 | var hexDigits = "0123456789abcdef"; 15 | for (var i = 0; i < 36; i++) { 16 | s[i] = hexDigits.substr(Math.floor(Math.random() * 0x10), 1); 17 | } 18 | s[14] = "4"; // bits 12-15 of the time_hi_and_version field to 0010 19 | s[19] = hexDigits.substr((s[19] & 0x3) | 0x8, 1); // bits 6-7 of the clock_seq_hi_and_reserved to 01 20 | s[8] = s[13] = s[18] = s[23] = "-"; 21 | 22 | var uuid = s.join(""); 23 | return uuid; 24 | } 25 | 26 | function uuid3() { 27 | function S4() { 28 | return (((1 + Math.random()) * 0x10000) | 0).toString(16).substring(1); 29 | } 30 | return (S4() + S4() + "-" + S4() + "-" + S4() + "-" + S4() + "-" + S4() + S4() + S4()); 31 | } 32 | 33 | function uuid4(len, radix) { 34 | var chars = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'.split(''); 35 | var uuid = [], 36 | i; 37 | radix = radix || chars.length; 38 | 39 | if (len) { 40 | for (i = 0; i < len; i++) uuid[i] = chars[0 | Math.random() * radix]; 41 | } else { 42 | var r; 43 | 44 | uuid[8] = uuid[13] = uuid[18] = uuid[23] = '-'; 45 | uuid[14] = '4'; 46 | 47 | for (i = 0; i < 36; i++) { 48 | if (!uuid[i]) { 49 | r = 0 | Math.random() * 16; 50 | uuid[i] = chars[(i == 19) ? (r & 0x3) | 0x8 : r]; 51 | } 52 | } 53 | } 54 | 55 | return uuid.join(''); 56 | } 57 | 58 | let now = Date.now() 59 | for (let i = 0; i < 10000 * 10000; i++) { 60 | uuid() 61 | } 62 | console.log('uuid', Date.now() - now, uuid()) 63 | 64 | now = Date.now() 65 | for (let i = 0; i < 10000 * 10000; i++) { 66 | uuid1() 67 | } 68 | console.log('uuid1', Date.now() - now, uuid1()) 69 | 70 | now = Date.now() 71 | for (let i = 0; i < 10000 * 10000; i++) { 72 | uuid2() 73 | } 74 | console.log('uuid2', Date.now() - now, uuid2()) 75 | 76 | now = Date.now() 77 | for (let i = 0; i < 10000 * 10000; i++) { 78 | uuid3() 79 | } 80 | console.log('uuid3', Date.now() - now, uuid3()) 81 | 82 | now = Date.now() 83 | for (let i = 0; i < 10000 * 10000; i++) { 84 | uuid4(16, 16) 85 | } 86 | console.log('uuid4', Date.now() - now, uuid4(16,16)) 87 | 88 | now = Date.now() 89 | for (let i = 0; i < 10000 * 10000; i++) { 90 | s_uuid() 91 | } 92 | console.log('server side', Date.now() - now, s_uuid()) -------------------------------------------------------------------------------- /dist/lsp-uuid.umd.js: -------------------------------------------------------------------------------- 1 | !function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t():"function"==typeof define&&define.amd?define([],t):"object"==typeof exports?exports.LspUUID=t():e.LspUUID=t()}(self,(function(){return e={45:function(e,t,r){const{int2Hex:n,hex2Int:o,leftZero:s}=r(712);let u=0,f=0;e.exports={uuid:function(e){let t=void 0!==e?e:Date.now();if("number"!=typeof t)throw new Error("St must be a Number!");let r=n(t);r.length<11&&(r=s(r,11));let o=n(u);if(o.length<4&&(o=s(o,4-o.length)),u++,t===f&&u>65535)throw new Error("Overstep the limits");return(t-f>=1e3||u>=65535)&&(f=t,u=0),r+o},parse:function(e){const t=e.substr(0,11).split("").reverse().join(""),r=e.substr(11,4);return{flg:0,timestamp:o(t),count:o(r)}}}},712:function(e){e.exports={int2Hex:function(e){let t=e,r="";for(;t>0;){let e=t%16;switch(t=(t-e)/16,e){case 10:r+="a";break;case 11:r+="b";break;case 12:r+="c";break;case 13:r+="d";break;case 14:r+="e";break;case 15:r+="f";break;default:r+=e+""}}return r},hex2Int:function(e){let t=e.length,r=new Array(t),n="";for(let o=0;o 2 | 3 | 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /index.js: -------------------------------------------------------------------------------- 1 | const { int2Hex, hex2Int, leftZero } = require('./utils') 2 | 3 | const BASE_LENGTH = 11 4 | const COUNT_LENGTH = 4 5 | const COUNT_MAX = 65535 // 0xffff 6 | 7 | let count = 0 8 | let lastTime = 0 9 | 10 | function uuid(st) { 11 | let now = (st !== undefined) ? st : Date.now(); 12 | if (typeof now != 'number') { 13 | throw new Error('St must be a Number!') 14 | } 15 | let n = int2Hex(now); 16 | 17 | if (n.length < BASE_LENGTH) { 18 | n = leftZero(n, BASE_LENGTH) 19 | } 20 | 21 | let c = int2Hex(count) 22 | if (c.length < COUNT_LENGTH) { 23 | c = leftZero(c, COUNT_LENGTH - c.length) 24 | } 25 | 26 | count++ 27 | if (now === lastTime && count > COUNT_MAX) { 28 | throw new Error('Overstep the limits') 29 | } else if ((now - lastTime) >= 1000 || count >= COUNT_MAX) { 30 | lastTime = now 31 | count = 0 32 | } 33 | 34 | return n + c 35 | } 36 | 37 | function parse(uuid) { 38 | const st = uuid.substr(0, BASE_LENGTH).split('').reverse().join('') 39 | const ct = uuid.substr(BASE_LENGTH, COUNT_LENGTH) 40 | 41 | 42 | return { 43 | flg: 0, 44 | timestamp: hex2Int(st), 45 | count: hex2Int(ct) 46 | } 47 | } 48 | 49 | module.exports = { 50 | uuid: uuid, 51 | parse: parse 52 | } 53 | -------------------------------------------------------------------------------- /package.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "lsp-uuid", 3 | "version": "3.2.0", 4 | "description": "A uuid generator for both Browser and Nodejs. And keep sequence and get the time when uuid be created.", 5 | "main": "index.js", 6 | "module": "dist/lsp-uuid.umd.js", 7 | "types": "index.d.ts", 8 | "scripts": { 9 | "test": "jest", 10 | "dev": "jest --watch", 11 | "build": "export NODE_OPTIONS=--openssl-legacy-provider && webpack --config webpack.config.js" 12 | }, 13 | "repository": { 14 | "type": "git", 15 | "url": "git+https://github.com/ryouaki/lsp-uuid.git" 16 | }, 17 | "devDependencies": { 18 | "@babel/preset-env": "^7.13.12", 19 | "babel-loader": "^8.2.2", 20 | "jest": "^26.6.3", 21 | "webpack": "^5.30.0", 22 | "webpack-cli": "^4.6.0" 23 | }, 24 | "engines": { 25 | "node": ">=10.0.0" 26 | }, 27 | "files": [ 28 | "index.js", 29 | "package.json", 30 | "LICENSE", 31 | "README.md", 32 | "dist", 33 | "index.d.ts" 34 | ], 35 | "keywords": [ 36 | "uuid", 37 | "browser", 38 | "nodejs", 39 | "sequence" 40 | ], 41 | "author": "ryouaki (46517115@qq.com)", 42 | "license": "Apache-2.0", 43 | "bugs": { 44 | "url": "https://github.com/ryouaki/lsp-uuid/issues" 45 | }, 46 | "homepage": "https://github.com/ryouaki/lsp-uuid#readme" 47 | } 48 | -------------------------------------------------------------------------------- /server.js: -------------------------------------------------------------------------------- 1 | const { uuid } = require('./index') 2 | const { int2Hex, leftZero } = require('./utils') 3 | 4 | function getAddr () { 5 | const ni = require('os').networkInterfaces(); 6 | for (let key in ni) { 7 | for (let i = 0; i < ni[key].length; i++) { 8 | if (ni[key][i].family === 'IPv4' && !ni[key][i].internal && ni[key][i].address !== '127.0.0.1') { 9 | return ni[key][i].address.split('.').map((ip) => { 10 | const i = int2Hex(+ip) + '' 11 | return leftZero(i, 2 - i.length ) 12 | }) 13 | } 14 | } 15 | } 16 | } 17 | 18 | const address = getAddr().join('') 19 | const pid = int2Hex(process.pid) 20 | 21 | function s_uuid() { 22 | const uid = uuid(); 23 | return uid + '-' + address + '-' + pid 24 | } 25 | 26 | module.exports.s_uuid = s_uuid 27 | -------------------------------------------------------------------------------- /test/index.test.js: -------------------------------------------------------------------------------- 1 | const { expect } = require('@jest/globals'); 2 | const { uuid, parse } = require('./../index'); 3 | 4 | describe("uuid test", () => { 5 | it("Generate test 1", () => { 6 | expect(uuid()).toHaveLength(15) 7 | }) 8 | 9 | it("Generate test 2", () => { 10 | expect(uuid(Date.now())).toHaveLength(15) 11 | }) 12 | 13 | if("Arguments test", () => { 14 | try { 15 | uuid("111") 16 | } catch(e) { 17 | expect(e.message).toBe('St must be a Number!') 18 | } 19 | }) 20 | 21 | it("parse test 3", () => { 22 | const target = parse(uuid()) 23 | expect(target).not.toBe(undefined) 24 | }) 25 | 26 | it("parse test 4", () => { 27 | const now = Date.now() 28 | let target = parse(uuid(now)) 29 | expect(target).not.toBe(undefined) 30 | expect(target.flg).toBe(0) 31 | expect(target.timestamp).toBe(now) 32 | }) 33 | }) -------------------------------------------------------------------------------- /utils.js: -------------------------------------------------------------------------------- 1 | function int2Hex(t) { 2 | let n = t; 3 | let m = ''; 4 | while(n > 0) { 5 | let a = n % 16; 6 | n = (n - a)/16; 7 | switch(a) { 8 | case 10: 9 | m += 'a'; 10 | break; 11 | case 11: 12 | m += 'b'; 13 | break; 14 | case 12: 15 | m += 'c'; 16 | break; 17 | case 13: 18 | m += 'd'; 19 | break; 20 | case 14: 21 | m += 'e'; 22 | break; 23 | case 15: 24 | m += 'f'; 25 | break; 26 | default: 27 | m += a + ''; 28 | } 29 | } 30 | return m; 31 | } 32 | 33 | function hex2Int(hex) { 34 | let len = hex.length 35 | let a = new Array(len) 36 | let code = ''; 37 | for (let i = 0; i < len; i++) { 38 | code = hex.charCodeAt(i); 39 | if (48<=code && code < 58) { 40 | code -= 48; 41 | } else { 42 | code = (code & 0xdf) - 65 + 10; 43 | } 44 | a[i] = code; 45 | } 46 | 47 | return a.reduce(function(acc, c) { 48 | acc = 16 * acc + c; 49 | return acc; 50 | }, 0); 51 | } 52 | 53 | function leftZero(src, size) { 54 | let target = '' 55 | for (let i = 0; i < size; i++) { 56 | target += '0' 57 | } 58 | return target + src 59 | } 60 | 61 | module.exports = { 62 | int2Hex, 63 | hex2Int, 64 | leftZero 65 | } -------------------------------------------------------------------------------- /webpack.config.js: -------------------------------------------------------------------------------- 1 | const path = require('path') 2 | 3 | module.exports = (env) => { 4 | const plugins = []; 5 | 6 | return { 7 | entry: { 8 | "lsp-uuid": './index.js' 9 | }, 10 | mode: 'production', 11 | output: { 12 | path: path.join(__dirname, 'dist'), 13 | filename: 'lsp-uuid.umd.js', 14 | libraryTarget: 'umd', 15 | library: 'LspUUID' 16 | }, 17 | target: ['web', 'es5'], 18 | module: { 19 | rules: [ 20 | { 21 | test: /\.js$/, 22 | loader: 'babel-loader', 23 | exclude: /node_modules/ 24 | } 25 | ] 26 | }, 27 | plugins: plugins 28 | } 29 | } --------------------------------------------------------------------------------