├── logo.jpeg ├── examples ├── counter-node.js └── counter-browser.js ├── .travis.yml ├── .gitignore ├── .npmignore ├── test ├── construct-node.js ├── sync-destroy.js ├── sync-delete.js ├── sync-set.js ├── custom-server.js ├── constants.js ├── construct-browser.js ├── CRUD.js └── variables.js ├── LICENSE ├── logo-negative.svg ├── package.json ├── README.md ├── index.js ├── logo.svg └── v.min.js /logo.jpeg: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/DiegoRBaquero/node-v/HEAD/logo.jpeg -------------------------------------------------------------------------------- /examples/counter-node.js: -------------------------------------------------------------------------------- 1 | const V = require('../index') 2 | const v = new V('counter-example') 3 | 4 | console.log('The value on the cloud was', v.counter) 5 | v.counter++ 6 | console.log('New value is', v.counter) 7 | -------------------------------------------------------------------------------- /examples/counter-browser.js: -------------------------------------------------------------------------------- 1 | const V = require('../index') 2 | 3 | V('counter-example', v => { 4 | console.log('The value on the cloud was', v.counter) 5 | v.counter++ 6 | console.log('New value is', v.counter) 7 | }) 8 | -------------------------------------------------------------------------------- /.travis.yml: -------------------------------------------------------------------------------- 1 | language: node_js 2 | sudo: false 3 | node_js: 4 | - "node" 5 | - "6" 6 | after_success: npm run coverage 7 | notifications: 8 | email: 9 | on_success: never # default: change 10 | on_failure: always # default: always -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | logs 2 | *.log 3 | npm-debug.log* 4 | pids 5 | *.pid 6 | *.seed 7 | lib-cov 8 | coverage 9 | .nyc_output 10 | .grunt 11 | .lock-wscript 12 | build/Release 13 | node_modules 14 | jspm_packages 15 | .npm 16 | .node_repl_history 17 | .idea/ 18 | _ignore/ 19 | comparison/ 20 | lib/ 21 | web/ 22 | *.tgz 23 | package/ 24 | examples/woot.js -------------------------------------------------------------------------------- /.npmignore: -------------------------------------------------------------------------------- 1 | # Created by .ignore support plugin (hsz.mobi) 2 | logs 3 | *.log 4 | npm-debug.log* 5 | pids 6 | *.pid 7 | *.seed 8 | *.pid.lock 9 | lib-cov 10 | coverage 11 | .nyc_output 12 | .grunt 13 | .lock-wscript 14 | build/Release 15 | node_modules 16 | jspm_packages 17 | .npm 18 | .eslintcache 19 | .node_repl_history 20 | *.tgz 21 | .yarn-integrity 22 | .idea/ 23 | *.iml 24 | out 25 | gen 26 | .npmignore 27 | examples/ 28 | test/ 29 | _ignore/ 30 | comparison/ 31 | index.js 32 | .travis.yml 33 | web/ 34 | package/ -------------------------------------------------------------------------------- /test/construct-node.js: -------------------------------------------------------------------------------- 1 | const test = require('tape') 2 | 3 | const V = require('../index') 4 | 5 | test('New V deasync - No roomId', t => { 6 | t.plan(1) 7 | const v = new V() 8 | t.pass('Construct with no roomId worked') 9 | v.destroy() 10 | }) 11 | 12 | test('New V deasync - Non existent roomId', t => { 13 | t.plan(1) 14 | try { 15 | const v = new V('this-will-fail') 16 | v.destroy() 17 | t.fail('Construct with a non existent roomId worked') 18 | } catch (e) { 19 | t.pass('Failed to construct with non existent roomId') 20 | } 21 | }) 22 | -------------------------------------------------------------------------------- /test/sync-destroy.js: -------------------------------------------------------------------------------- 1 | const test = require('tape') 2 | 3 | const V = require('../index') 4 | 5 | test('Sync - Destroy', t => { 6 | t.plan(5) 7 | 8 | let v = new V() 9 | const uuid = v._roomId 10 | t.pass('Construct worked') 11 | 12 | v.a = 10 13 | t.equals(v.a, 10, 'Value is saved') 14 | 15 | const v2 = new V(uuid) 16 | t.pass('Construct with same roomId worked') 17 | t.equals(v2.a, 10, 'Value is the same after rehidration') 18 | 19 | v.destroy() 20 | v2.once('destroyed', () => { 21 | t.true(v2._closed, 'Destroy instanceCounter propagated correctly') 22 | }) 23 | }) 24 | -------------------------------------------------------------------------------- /test/sync-delete.js: -------------------------------------------------------------------------------- 1 | const test = require('tape') 2 | 3 | const V = require('../index') 4 | 5 | test('Sync - Delete', t => { 6 | t.plan(5) 7 | 8 | let v = new V() 9 | const uuid = v._roomId 10 | t.pass('Construct worked') 11 | 12 | v.a = 10 13 | t.equals(v.a, 10, 'Value is saved') 14 | 15 | const v2 = new V(uuid) 16 | t.pass('Construct with same roomID worked') 17 | t.equals(v2.a, 10, 'Value is the same after rehidration') 18 | 19 | delete v.a 20 | v2.once('delete', () => { 21 | t.equals(v2.a, undefined, 'Delete value propagated correctly') 22 | v.destroy() 23 | }) 24 | }) 25 | -------------------------------------------------------------------------------- /test/sync-set.js: -------------------------------------------------------------------------------- 1 | const test = require('tape') 2 | 3 | const V = require('../index') 4 | 5 | test('Sync - Set', t => { 6 | t.plan(5) 7 | 8 | let v = new V() 9 | const uuid = v._roomId 10 | t.pass('Construct worked') 11 | 12 | v.a = 10 13 | t.equals(v.a, 10, 'Value is saved') 14 | 15 | const v2 = new V(uuid) 16 | t.pass('Construct with same roomId worked') 17 | t.equals(v2.a, 10, 'Value is the same after rehidration') 18 | 19 | v.a = 20 20 | v2.once('set', update => { 21 | console.log(update) 22 | t.equals(v2.a, 20, 'Set value propagated correctly') 23 | v.destroy() 24 | }) 25 | }) 26 | -------------------------------------------------------------------------------- /test/custom-server.js: -------------------------------------------------------------------------------- 1 | const test = require('tape') 2 | 3 | const V = require('../index') 4 | 5 | test('New V - custom server', t => { 6 | t.plan(1) 7 | const v = new V({server: 'ws://server.diegorbaquero.com:7295'}) 8 | t.pass('Construct with custom server worked') 9 | v.destroy() 10 | }) 11 | 12 | test('New V - custom failing server', t => { 13 | t.plan(1) 14 | try { 15 | const v = new V({server: 'woot-is-this'}) 16 | v.destroy() // this shouldn't be executed 17 | t.fail('Construct worked when it shouldn\'t') 18 | } catch (e) { 19 | t.pass('Construct with failing server didn\'t work') 20 | } 21 | }) 22 | -------------------------------------------------------------------------------- /test/constants.js: -------------------------------------------------------------------------------- 1 | const test = require('tape') 2 | 3 | const V = require('../index') 4 | 5 | test('Constants - Read only', t => { 6 | t.plan(3) 7 | const v = new V() 8 | t.pass('Construct with no roomId worked') 9 | v.const('c', 10) 10 | t.equals(v.c, 10, 'Value is saved') 11 | v.c = 20 12 | t.equals(v.c, 10, 'Value is unchanged after set') 13 | v.destroy() 14 | }) 15 | 16 | test('Constants - Persisted', t => { 17 | t.plan(5) 18 | 19 | let v = new V() 20 | const uuid = v._roomId 21 | t.pass('Construct worked') 22 | 23 | v.const('c', 10) 24 | t.equals(v.c, 10, 'Value is saved') 25 | 26 | v = new V(uuid) 27 | t.pass('Construct with same roomId worked') 28 | t.equals(v.c, 10, 'Value is the same after rehidration') 29 | v.c = 20 30 | t.equals(v.c, 10, 'Value remains read only') 31 | v.destroy() 32 | }) 33 | -------------------------------------------------------------------------------- /test/construct-browser.js: -------------------------------------------------------------------------------- 1 | const test = require('tape') 2 | 3 | const V = require('../index') 4 | 5 | test('New V callback - No roomId', t => { 6 | t.plan(1) 7 | V(v => { 8 | t.pass('Construct with no roomId worked') 9 | v.destroy() 10 | }) 11 | }) 12 | 13 | test('New V callback - Non existent roomId', t => { 14 | t.plan(1) 15 | try { 16 | V('this-will-fail', v => { 17 | t.fail('Construct with a non existent roomId worked') 18 | }) 19 | } catch (e) { 20 | t.ok(e, 'Failed to construct with non existent roomId') 21 | } 22 | }) 23 | 24 | test('New V promise - No roomId', t => { 25 | t.plan(1) 26 | V('', 'promise').then(v => { 27 | t.pass('Construct with no roomId worked') 28 | v.destroy() 29 | }).catch(e => { 30 | t.fail(e.message) 31 | }) 32 | }) 33 | 34 | test('New V promise - Non existent roomId', t => { 35 | t.plan(1) 36 | V('this-will-fail', 'promise').then(v => { 37 | t.fail('Construct with a non existent roomId worked') 38 | }).catch(e => { 39 | t.ok(e, 'Failed to construct with non existent roomId') 40 | }) 41 | }) 42 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | MIT License 2 | 3 | Copyright (c) 2017 Diego Rodríguez Baquero 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy 6 | of this software and associated documentation files (the "Software"), to deal 7 | in the Software without restriction, including without limitation the rights 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 | copies of the Software, and to permit persons to whom the Software is 10 | furnished to do so, subject to the following conditions: 11 | 12 | The above copyright notice and this permission notice shall be included in all 13 | copies or substantial portions of the Software. 14 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 | SOFTWARE. 22 | -------------------------------------------------------------------------------- /logo-negative.svg: -------------------------------------------------------------------------------- 1 | logoN 2 | -------------------------------------------------------------------------------- /package.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "v", 3 | "description": "Secure, Synchronized, Realtime, Cloud, Native JavaScript Variables & Events", 4 | "version": "0.3.0", 5 | "author": "Diego Rodríguez Baquero (https://diegorbaquero.com)", 6 | "browser": { 7 | "deasync": false 8 | }, 9 | "bugs": { 10 | "url": "https://github.com/DiegoRBaquero/node-v/issues" 11 | }, 12 | "dependencies": { 13 | "debug": "^3.1.0", 14 | "simple-websocket": "^7.0.0" 15 | }, 16 | "devDependencies": { 17 | "babili": "0.1.4", 18 | "bogota": "^2.0.4", 19 | "browserify": "^16.0.0", 20 | "codecov": "^3.0.0", 21 | "nyc": "^11.2.1", 22 | "standard": "^11.0.0", 23 | "tape": "^4.6.3" 24 | }, 25 | "engineStrict": true, 26 | "engines": { 27 | "node": ">=6.0.0" 28 | }, 29 | "keywords": [ 30 | "app", 31 | "application", 32 | "cloud", 33 | "config", 34 | "constant", 35 | "constants", 36 | "hosted", 37 | "online", 38 | "realtime", 39 | "state", 40 | "sync", 41 | "synchronized", 42 | "var", 43 | "variable", 44 | "variables" 45 | ], 46 | "license": "MIT", 47 | "main": "index.js", 48 | "optionalDependencies": { 49 | "deasync": "^0.1.9" 50 | }, 51 | "repository": { 52 | "type": "git", 53 | "url": "git@github.com:DiegoRBaquero/node-v.git" 54 | }, 55 | "scripts": { 56 | "browserify": "browserify -s V -e ./index.js > v.js && babili v.js > v.min.js", 57 | "browserify-debug": "browserify -s V -e ./index.js > web/v.js", 58 | "coverage": "nyc report --reporter=text-lcov > coverage.lcov && codecov", 59 | "prepublish": "npm run browserify", 60 | "pretest": "standard", 61 | "test": "nyc bogota" 62 | }, 63 | "standard": { 64 | "ignore": [ 65 | "v.js" 66 | ] 67 | } 68 | } 69 | -------------------------------------------------------------------------------- /test/CRUD.js: -------------------------------------------------------------------------------- 1 | const test = require('tape') 2 | 3 | const V = require('../index') 4 | 5 | test('CRUD - String & Number', t => { 6 | t.plan(32) 7 | 8 | let v = new V() // Init with new roomId 9 | t.pass('Construct with no roomId worked') 10 | let uuid = v._roomId 11 | 12 | t.equal(v.keys.length, 0, 'Empty keys') 13 | 14 | v = new V(uuid) 15 | t.pass('Construct with same roomId worked') 16 | 17 | t.equal(v._roomId, uuid, 'roomId is the same') 18 | 19 | v.a = 'a' 20 | t.equal(v.keys.length, 1, 'Keys length of 1') 21 | t.deepLooseEqual(v.keys, [ 'a' ], '`a` key exists') 22 | t.equal(v.a, 'a', '`a` key contains an \'a\'') 23 | 24 | v.b = 1 25 | t.equal(v.keys.length, 2, 'Keys length of 2') 26 | t.deepLooseEqual(v.keys, [ 'a', 'b' ], '`a` and `b` keys exist') 27 | t.equal(v.a, 'a', '`a` key contains \'a\'') 28 | t.equal(v.b, 1, '`b` key contains 1') 29 | 30 | v.a = 'new a' 31 | t.equal(v.keys.length, 2, 'Keys length of 2') 32 | t.deepLooseEqual(v.keys, [ 'a', 'b' ], '`a` and `b` keys exist') 33 | t.equal(v.a, 'new a', '`a` key contains \'new a\'') 34 | t.equal(v.b, 1, '`b` key contains \'b\'') 35 | 36 | const updateReadB = ++v.b 37 | t.equal(v.keys.length, 2, 'Keys length of 2') 38 | t.deepLooseEqual(v.keys, [ 'a', 'b' ], '`a` and `b` keys exist') 39 | t.equal(v.a, 'new a', '`a` key contains \'new a\'') 40 | t.equal(v.b, 2, '`b` key contains 2') 41 | t.equal(updateReadB, 2, 'temp key contains 2') 42 | 43 | const readUpdateB = v.b++ 44 | t.equal(v.keys.length, 2, 'Keys length of 2') 45 | t.deepLooseEqual(v.keys, [ 'a', 'b' ], '`a` and `b` keys exist') 46 | t.equal(v.a, 'new a', '`a` key contains \'new a\'') 47 | t.equal(v.b, 3, '`b` key contains 1') 48 | t.equal(readUpdateB, 2, 'temp key contains 1') 49 | 50 | delete v.a 51 | t.equal(v.keys.length, 1, 'Keys length of 1') 52 | t.deepLooseEqual(v.keys, [ 'b' ], '`b` keys exists') 53 | t.equal(v.a, undefined, '`a` key is undefined') 54 | t.equal(v.b, 3, '`b` key contains \'new b\'') 55 | 56 | delete v.b 57 | t.equal(v.keys.length, 0, 'Keys length of 0') 58 | t.equal(v.a, undefined, '`a` key is undefined') 59 | t.equal(v.b, undefined, '`b` key is undefined') 60 | v.destroy() 61 | }) 62 | -------------------------------------------------------------------------------- /test/variables.js: -------------------------------------------------------------------------------- 1 | const test = require('tape') 2 | 3 | const V = require('../index') 4 | 5 | test('Variables - Number RW', t => { 6 | t.plan(3) 7 | const v = new V() 8 | t.pass('Construct with no roomId worked') 9 | v.a = 10 10 | t.equals(v.a, 10, 'Value is saved') 11 | v.a = 20 12 | t.equals(v.a, 20, 'Value is changed on set') 13 | v.destroy() 14 | }) 15 | 16 | test('Variables - Number Persisted', t => { 17 | t.plan(5) 18 | 19 | let v = new V() 20 | const roomId = v._roomId 21 | t.pass('Construct worked') 22 | 23 | v.a = 10 24 | t.equals(v.a, 10, 'Value is saved') 25 | 26 | v = new V(roomId) 27 | t.pass('Construct with same roomId worked') 28 | t.equals(v.a, 10, 'Value is the same after rehidration') 29 | v.a = 20 30 | t.equals(v.a, 20, 'Value remains writeable') 31 | v.destroy() 32 | }) 33 | 34 | test('Variables - String RW', t => { 35 | t.plan(3) 36 | const v = new V() 37 | t.pass('Construct with no roomId worked') 38 | v.a = 'string' 39 | t.equals(v.a, 'string', 'Value is saved') 40 | v.a = 'string2' 41 | t.equals(v.a, 'string2', 'Value is changed on set') 42 | v.destroy() 43 | }) 44 | 45 | test('Variables - String Persisted', t => { 46 | t.plan(5) 47 | 48 | let v = new V() 49 | const roomId = v._roomId 50 | t.pass('Construct worked') 51 | 52 | v.a = 'string' 53 | t.equals(v.a, 'string', 'Value is saved') 54 | 55 | v = new V(roomId) 56 | t.pass('Construct with same roomId worked') 57 | t.equals(v.a, 'string', 'Value is the same after rehidration') 58 | v.a = 'string2' 59 | t.equals(v.a, 'string2', 'Value remains writeable') 60 | v.destroy() 61 | }) 62 | 63 | test('Variables - Object RW', t => { 64 | t.plan(3) 65 | const v = new V() 66 | t.pass('Construct with no roomId worked') 67 | v.a = { b: 1, c: 'woot' } 68 | t.deepEquals(v.a, { b: 1, c: 'woot' }, 'Value is saved') 69 | v.a = { b: 5, c: 'woot2' } 70 | t.deepEquals(v.a, { b: 5, c: 'woot2' }, 'Value is changed on set') 71 | v.destroy() 72 | }) 73 | 74 | test('Variables - Object Persisted', t => { 75 | t.plan(5) 76 | 77 | let v = new V() 78 | const roomId = v._roomId 79 | t.pass('Construct worked') 80 | 81 | v.a = { b: 1, c: 'woot' } 82 | t.deepEquals(v.a, { b: 1, c: 'woot' }, 'Value is saved') 83 | 84 | v = new V(roomId) 85 | t.pass('Construct with same roomId worked') 86 | t.deepEquals(v.a, { b: 1, c: 'woot' }, 'Value is the same after rehidration') 87 | v.a = { b: 5, c: 'woot2' } 88 | t.deepEquals(v.a, { b: 5, c: 'woot2' }, 'Value remains writeable') 89 | v.destroy() 90 | }) 91 | 92 | test('Variables - Nested Object RW', t => { 93 | t.plan(3) 94 | const v = new V() 95 | t.pass('Construct with no roomId worked') 96 | v.a = {} 97 | v.a.b = 1 98 | t.deepEquals(v.a, { b: 1 }, 'Value is saved') 99 | v.a.b = 2 100 | t.deepEquals(v.a, { b: 2 }, 'Value is changed on set') 101 | v.destroy() 102 | }) 103 | // 104 | // test('Variables - Nested Object Persisted', t => { 105 | // t.plan(5) 106 | // 107 | // let v = new V() 108 | // const roomId = v._roomId 109 | // t.pass('Construct worked') 110 | // 111 | // v.a = { b: 1, c: 'woot' } 112 | // t.deepEquals(v.a, { b: 1, c: 'woot' }, 'Value is saved') 113 | // v.close() 114 | // 115 | // v = new V(roomId) 116 | // t.pass('Construct with same roomId worked') 117 | // t.deepEquals(v.a, { b: 1, c: 'woot' }, 'Value is the same after rehidration') 118 | // v.a = { b: 5, c: 'woot2' } 119 | // t.deepEquals(v.a, { b: 5, c: 'woot2' }, 'Value remains writeable') 120 | // v.destroy() 121 | // }) 122 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 |

2 | V Logo 3 |
4 |

5 |

🔒 Secure ❄️ Synchronized ⚡️ Realtime ☁️ Cloud 🌈 Native JavaScript Variables & Events

6 | 7 |

npm downloads Greenkeeper badge 8 | Build Status codecov
NSP Status Known Vulnerabilities

9 | 10 |

V extends your in-memory variables to also be saved/persisted instantly. Variables are instantly synchronized between all running instances of V in a room. When you (re)start in a room, variables and constants are reloaded/rehydrated automatically.

11 | 12 | ### Current Features 13 | - Keep your variables in the cloud 14 | - Sync variables between instances 15 | - Automatic reloaded/rehydrated on start-up 16 | 17 | #### Requires ES6 Proxy (Node 6+ and new browsers) 18 | 19 | ### Coming Soon: 20 | - Web GUI 21 | - History - Time machine 22 | - Events pub/sub 23 | 24 | ## Install 25 | 26 | ### Node 27 | ```sh 28 | npm install --save v 29 | or 30 | npm i -S v 31 | ``` 32 | 33 | ### Browser 34 | jsDelivr CDN: 35 | ```html 36 | 37 | ``` 38 | 39 | Unpkg CDN: 40 | ```html 41 | 42 | ``` 43 | 44 | More CDNs coming soon 45 | 46 | ## API 47 | 48 | ### Constructor (3 Ways to do it) 49 | 50 | If no roomId is passed, a new one will be assigned automatically and printed in the console. 51 | 52 | ##### NodeJS **only** with deasync support 53 | ```js 54 | const V = require('v') 55 | const v = new V([roomId]) 56 | ``` 57 | 58 | ##### Callback 59 | ```js 60 | const V = require('v') 61 | V([roomId,] v => { 62 | ... 63 | }) 64 | ``` 65 | 66 | ##### Promise 67 | ```js 68 | const V = require('v') 69 | V([roomId]).then(v => { 70 | ... 71 | }).catch(e => { 72 | ... 73 | }) 74 | ``` 75 | 76 | #### Custom Opts 77 | 78 | The `opts` object has the following options and their default options listed 79 | ```js 80 | myOpts = { 81 | roomId: '', 82 | server: 'ws(s)://my-domain.com' 83 | } 84 | ``` 85 | 86 | Use it: 87 | ```js 88 | const v = new V(myOpts) 89 | ``` 90 | 91 | ## Debug logs 92 | 93 | **V** comes with extensive debugging logs. Each **V** instance and constructor-call has it own debug namespace. 94 | 95 | In **node**, enable debug logs by setting the `DEBUG` environment variable to `*` 96 | 97 | ```bash 98 | DEBUG=* node myProgram.js 99 | ``` 100 | 101 | In the **browser**, enable debug logs by running this in the developer console: 102 | 103 | ```js 104 | localStorage.debug = '*' 105 | ``` 106 | 107 | Disable by running this: 108 | 109 | ```js 110 | localStorage.removeItem('debug') 111 | ``` 112 | 113 | ## License 114 | MIT Copyright © [Diego Rodríguez Baquero](https://diegorbaquero.com) 115 | -------------------------------------------------------------------------------- /index.js: -------------------------------------------------------------------------------- 1 | const EventEmitter = require('events').EventEmitter 2 | const _debug = require('debug') 3 | const _WebSocket = require('simple-websocket') 4 | let deasync 5 | try { 6 | deasync = require('deasync') 7 | } catch (e) { 8 | _debug('V')('Couldn\'t load deasync') 9 | } 10 | 11 | let instanceCounter = 1 12 | let consCounter = 1 13 | 14 | class V extends EventEmitter { 15 | constructor (opts, cb) { 16 | super() 17 | 18 | const self = this 19 | 20 | // Hide EventEmitter properties from enumeration 21 | Object.defineProperty(self, '_events', { value: self._events, enumerable: false, configurable: false, writable: true }) 22 | Object.defineProperty(self, '_maxListeners', { value: self._events, enumerable: false, configurable: false, writable: true }) 23 | 24 | // Define numerated contructor debug object 25 | Object.defineProperty(self, '_debug', { 26 | value: _debug('V:constructor-' + consCounter++), 27 | writable: true 28 | }) 29 | 30 | self._debug('constructor %o', opts) 31 | 32 | let proxy 33 | 34 | const ws = new _WebSocket(opts.server) 35 | 36 | Object.defineProperty(self, '_socket', { value: ws, writable: true }) 37 | 38 | ws.on('data', onMessage) 39 | ws.on('close', onClose) 40 | ws.on('error', onError) 41 | ws.on('connect', () => { 42 | self._debug('Socket opened') 43 | 44 | if (!opts.roomId) { 45 | self._debug('Requesting new roomId...') 46 | self._requestedRoomId = true 47 | send({ type: 'requestRoomId' }) 48 | } else { 49 | Object.defineProperty(self, '_roomId', { value: opts.roomId }) 50 | send({ type: 'startWithId', data: opts.roomId }) 51 | } 52 | }) 53 | 54 | if (deasync && deasync.loopWhile) { 55 | deasync.loopWhile(() => proxy === undefined) 56 | return proxy 57 | } 58 | 59 | // Proxy handler with object tree 60 | function handler (tree = []) { 61 | // self._debug('new handler %o', tree) 62 | return { 63 | get (obj, key) { 64 | if (typeof key === 'symbol' || key === 'domain' || key === 'keys') return obj[key] 65 | const treeKey = tree.concat([key]).join('.') 66 | if (!key.startsWith('_')) self._debug('get %s', treeKey) 67 | if (key in obj) { 68 | if (!key.startsWith('_') && typeof obj[key] === 'object') { 69 | self._debug('New proxy for key %s', key) 70 | const newTree = tree.slice() 71 | newTree.push(key) 72 | return new Proxy(obj[key], handler(newTree)) 73 | } 74 | return obj[key] 75 | } 76 | return undefined 77 | }, 78 | set (obj, key, val) { 79 | const treeKey = tree.concat([key]).join('.') 80 | self._debug('set %s=%o', treeKey, val) 81 | try { 82 | if (obj[key] === val) return true 83 | obj[key] = val 84 | if (!self._closed && !key.startsWith('_')) { 85 | send({ 86 | type: 'set', 87 | key: treeKey, 88 | data: val 89 | }) 90 | } 91 | return true 92 | } catch (e) { 93 | self._debug('Failed to set readonly property %o', e) 94 | return false 95 | } 96 | }, 97 | deleteProperty (obj, key) { 98 | const treeKey = tree.concat([key]).join('.') 99 | self._debug('deleteProperty %s', treeKey) 100 | delete obj[key] 101 | if (!self._closed) { 102 | send({ 103 | type: 'delete', 104 | key: treeKey 105 | }) 106 | } 107 | return true 108 | } 109 | } 110 | } 111 | function send (data, sendingWs = self._socket) { 112 | self._debug('Sending %o', data) 113 | sendingWs.send(stringify(data)) 114 | } 115 | function initWithId (id) { 116 | self._debug('Init with id: %s', id) 117 | Object.defineProperty(self, '_roomId', { value: id }) 118 | init() 119 | } 120 | function init () { 121 | if (!self._closed) { 122 | Object.defineProperty(self, '_debug', { 123 | value: _debug('v' + instanceCounter++ + ':' + self._roomId) 124 | }) 125 | Object.defineProperty(self, 'keys', { 126 | get () { 127 | return Object.keys(self).filter(key => !key.startsWith('_') && key !== 'domain') 128 | } 129 | }) 130 | } 131 | self._closed = false 132 | proxy = new Proxy(self, handler()) 133 | self.checkToUnref() 134 | self._debug('Ready') 135 | if (cb) return cb(proxy) 136 | } 137 | function onMessage (message) { 138 | message = JSON.parse(message) 139 | self._debug('Received %o', message) 140 | switch (message.type) { 141 | case 'roomId': { 142 | self._debug('Use %s as your roomId', message.data) 143 | console.log(`Use ${message.data} as your roomId`) 144 | initWithId(message.data) 145 | break 146 | } 147 | case 'start': { 148 | const data = message.data 149 | const vars = data.vars 150 | self._debug('vars: %O', vars) 151 | for (const key in vars) { 152 | const varOrConst = vars[ key ] 153 | // self._debug(typeof varOrConst) 154 | if (varOrConst && typeof varOrConst === 'object' && varOrConst.isConst) { 155 | // self._debug('Rehidrating constant') 156 | Object.defineProperty(self, key, { value: vars[ key ].val, enumerable: true }) 157 | } else { 158 | // self._debug('Rehidrating variable') 159 | self[ key ] = vars[ key ] 160 | } 161 | } 162 | init() 163 | break 164 | } 165 | case 'set': { 166 | const setKey = message.key 167 | self._debug('sync set %s', setKey) 168 | try { 169 | if (!setKey.includes('.')) { 170 | self[ setKey ] = message.data 171 | } else { 172 | const tree = setKey.split('.') 173 | let obj = self 174 | for (let i = 0; i < tree.length - 1; i++) { 175 | let k = tree[i] 176 | if (k in obj) { 177 | obj = obj[k] 178 | } else { 179 | obj[k] = {} 180 | } 181 | } 182 | obj[tree[tree.length - 1]] = message.data 183 | } 184 | self.emit('set', { key: message.key, value: message.data }) 185 | } catch (e) { 186 | self._debug('Failed to sync set') 187 | } 188 | break 189 | } 190 | case 'delete': { 191 | const deleteKey = message.key 192 | self._debug('sync delete %s', deleteKey) 193 | if (!deleteKey.includes('.')) { 194 | delete self[ deleteKey ] 195 | } else { 196 | const tree = deleteKey.split('.') 197 | let obj = self 198 | for (let i = 0; i < tree.length - 1; i++) { 199 | let k = tree[i] 200 | if (k in obj) { 201 | obj = obj[k] 202 | } else { 203 | obj[k] = {} 204 | } 205 | } 206 | delete obj[tree[tree.length - 1]] 207 | } 208 | self.emit('delete', message.key) 209 | break 210 | } 211 | case 'destroy': { 212 | self.close(true) 213 | self.emit('destroyed') 214 | break 215 | } 216 | case 'error': { 217 | const errorMessage = message.data 218 | self._debug('Error: %s', errorMessage) 219 | console.error(errorMessage) 220 | self.close() 221 | throw new Error(errorMessage) 222 | } 223 | default: { 224 | self._debug('Received unknown message type') 225 | } 226 | } 227 | } 228 | function onClose (reason = 'Not specified') { 229 | self._debug('Socket closed %s', reason) 230 | self._closed = true 231 | if (!self._closing && !self._error) { 232 | reconnect() 233 | } 234 | } 235 | function onError (err) { 236 | self._debug('Socket error %o', err) 237 | self._error = true 238 | self.close() 239 | throw err 240 | } 241 | function reconnect (retry = 1) { 242 | if (self._closing || self._error) return false 243 | setTimeout(() => { 244 | const ws = new _WebSocket(opts.server) 245 | 246 | Object.defineProperty(self, '_socket', { value: ws, writable: true }) 247 | 248 | ws.on('error', () => { 249 | self._debug('Failed to reconnect, retrying...') 250 | reconnect(++retry) 251 | }) 252 | ws.on('connect', () => { 253 | ws.on('data', onMessage) 254 | ws.on('close', onClose) 255 | self._debug('Socket opened') 256 | send({ type: 'startWithId', data: self._roomId }) 257 | }) 258 | }, Math.pow(2, retry) * 1000) 259 | } 260 | } 261 | 262 | addListener (eventName, cb) { 263 | this.ref() 264 | super.addListener(eventName, cb) 265 | } 266 | 267 | on (eventName, cb) { 268 | this.ref() 269 | super.on(eventName, cb) 270 | } 271 | 272 | once (eventName, cb) { 273 | this.ref() 274 | super.once(eventName, (data) => { 275 | cb(data) 276 | }) 277 | } 278 | 279 | prependListener (eventName, cb) { 280 | this.ref() 281 | super.prependListener(eventName, cb) 282 | } 283 | 284 | prependOnceListener (eventName, cb) { 285 | this.ref() 286 | super.prependOnceListener(eventName, cb) 287 | } 288 | 289 | removeListener (eventName, cb) { 290 | super.removeListener(eventName, cb) 291 | this.checkToUnref() 292 | } 293 | 294 | removeAllListeners (eventName) { 295 | super.removeAllListeners(eventName) 296 | this.checkToUnref() 297 | } 298 | 299 | ref () { 300 | if (this._socket._ws && this._socket._ws._socket && this._socket._ws._socket.ref) { 301 | this._socket._ws._socket.ref() 302 | } 303 | } 304 | 305 | checkToUnref () { 306 | if (this._socket._ws && this._socket._ws._socket && this._socket._ws._socket.unref) { 307 | let counter = 0 308 | this.eventNames().forEach(event => { 309 | counter += this.listenerCount(event) 310 | }) 311 | if (!counter) this._socket._ws._socket.unref() 312 | } 313 | } 314 | 315 | close (destroying = false) { 316 | this._closing = true 317 | this._debug('close') 318 | if (!destroying && this._requestedRoomId) { 319 | this._debug('Remember to set your roomId to %s', this._roomId) 320 | console.log(`Remember to set your roomId to ${this._roomId}`) 321 | } 322 | if (this._socket) { 323 | this._socket.destroy() 324 | } 325 | } 326 | 327 | destroy () { 328 | this._debug('destroy') 329 | this._socket.send(stringify({ type: 'destroy' })) 330 | this.close(true) 331 | } 332 | 333 | const (key, val) { 334 | _debug('V:const')('%s %o', key, val) 335 | Object.defineProperty(this, key, { value: val, enumerable: true }) 336 | this._socket.send(stringify({ type: 'set', key: key, data: { val: val, isConst: true } })) 337 | } 338 | } 339 | 340 | function stringify (data) { 341 | return JSON.stringify(data) 342 | } 343 | 344 | const defaultsOps = { 345 | roomId: '', 346 | server: 'wss://api.vars.online' 347 | } 348 | 349 | module.exports = function (opts = defaultsOps, cb) { 350 | // If only callback is passed, fix params 351 | if (typeof opts === 'function') { 352 | cb = opts 353 | opts = defaultsOps 354 | } 355 | if (typeof opts === 'string') { 356 | opts = { roomId: opts } 357 | } 358 | Object.keys(defaultsOps).forEach(k => { 359 | if (!opts[k]) opts[k] = defaultsOps[k] 360 | }) 361 | if (cb || !deasync || !deasync.loopWhile) { 362 | if (typeof cb === 'function') return new V(opts, cb) 363 | return new Promise(resolve => new V(opts, resolve)) 364 | } 365 | return new V(opts) 366 | } 367 | 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F._onError(N)}F._chunk=null,F._debug("sent chunk from \"write before connect\"");var z=F._cb;F._cb=null,z(null)}"function"!=typeof q&&(F._interval=setInterval(function(){F._onInterval()},150),F._interval.unref&&F._interval.unref()),F._debug("connect"),F.emit("connect")}},M.prototype._onInterval=function(){if(this._cb&&this._ws&&!(this._ws.bufferedAmount>W)){this._debug("ending backpressure: bufferedAmount %d",this._ws.bufferedAmount);var F=this._cb;this._cb=null,F(null)}},M.prototype._onClose=function(){this.destroyed||(this._debug("on close"),this._destroy())},M.prototype._onError=function(F){this.destroyed||(this._debug("error: %s",F.message||F),this._destroy(F))},M.prototype._debug=function(){var F=[].slice.call(arguments);F[0]="["+this._id+"] "+F[0],U.apply(null,F)}}).call(this,E("_process"),E("buffer").Buffer)},{_process:16,buffer:5,debug:7,inherits:11,randombytes:17,"readable-stream":24,ws:3}],26:[function(E,R,C){function I(q){if(q&&!T(q))throw new Error("Unknown encoding: "+q)}function A(q){return q.toString(this.encoding)}function M(q){this.charReceived=q.length%2,this.charLength=this.charReceived?2:0}function U(q){this.charReceived=q.length%3,this.charLength=this.charReceived?3:0}var O=E("buffer").Buffer,T=O.isEncoding||function(q){switch(q&&q.toLowerCase()){case"hex":case"utf8":case"utf-8":case"ascii":case"binary":case"base64":case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":case"raw":return!0;default:return!1;}},D=C.StringDecoder=function(q){switch(this.encoding=(q||"utf8").toLowerCase().replace(/[-_]/,""),I(q),this.encoding){case"utf8":this.surrogateSize=3;break;case"ucs2":case"utf16le":this.surrogateSize=2,this.detectIncompleteChar=M;break;case"base64":this.surrogateSize=3,this.detectIncompleteChar=U;break;default:return void(this.write=A);}this.charBuffer=new O(6),this.charReceived=0,this.charLength=0};D.prototype.write=function(q){for(var W,P="";this.charLength;){if(W=q.length>=this.charLength-this.charReceived?this.charLength-this.charReceived:q.length,q.copy(this.charBuffer,this.charReceived,0,W),this.charReceived+=W,this.charReceived=F){this.charLength+=this.surrogateSize,P="";continue}if(this.charReceived=this.charLength=0,0===q.length)return P;break}this.detectIncompleteChar(q);var z=q.length;this.charLength&&(q.copy(this.charBuffer,0,q.length-this.charReceived,z),z-=this.charReceived),P+=q.toString(this.encoding,0,z);var z=P.length-1,F=P.charCodeAt(z);if(55296<=F&&56319>=F){var N=this.surrogateSize;return this.charLength+=N,this.charReceived+=N,this.charBuffer.copy(this.charBuffer,N,0,N),q.copy(this.charBuffer,0,0,N),P.substring(0,z)}return P},D.prototype.detectIncompleteChar=function(q){for(var W,P=3<=q.length?3:q.length;0>5){this.charLength=2;break}if(2>=P&&14==W>>4){this.charLength=3;break}if(3>=P&&30==W>>3){this.charLength=4;break}}this.charReceived=P},D.prototype.end=function(q){var P="";if(q&&q.length&&(P=this.write(q)),this.charReceived){var W=this.charReceived,F=this.charBuffer,z=this.encoding;P+=F.slice(0,W).toString(z)}return P}},{buffer:5}],27:[function(E,R){(function(I){function M(U){try{if(!I.localStorage)return!1}catch(T){return!1}var O=I.localStorage[U];return null!=O&&"true"===(O+"").toLowerCase()}R.exports=function(U,O){if(M("noDeprecation"))return U;var D=!1;return function(){if(!D){if(M("throwDeprecation"))throw new Error(O);else M("traceDeprecation")?console.trace(O):console.warn(O);D=!0}return U.apply(this,arguments)}}}).call(this,"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{}]},{},[1])(1)}); 2 | 3 | --------------------------------------------------------------------------------