├── .gitignore ├── .babelrc ├── examples ├── admin │ ├── src │ │ ├── api │ │ │ ├── index.js │ │ │ ├── Result.js │ │ │ ├── api.js │ │ │ └── users.js │ │ ├── UpdateResult.js │ │ ├── RequestStatus.js │ │ ├── main.js │ │ ├── Login.js │ │ ├── UserForm.js │ │ ├── App.js │ │ └── UserList.js │ ├── index.html │ └── style.css ├── login │ ├── src │ │ ├── api │ │ │ ├── index.js │ │ │ ├── Result.js │ │ │ ├── api.js │ │ │ └── users.js │ │ ├── UpdateResult.js │ │ ├── RequestStatus.js │ │ ├── main.js │ │ └── Login.js │ ├── index.html │ └── style.css ├── counterList │ ├── style.css │ ├── src │ │ ├── UpdateResult.js │ │ ├── Counter.js │ │ ├── main.js │ │ └── CounterList.js │ └── index.html └── counter │ ├── src │ ├── UpdateResult.js │ ├── main.js │ └── Counter.js │ ├── style.css │ └── index.html ├── .eslintrc ├── README.md ├── LICENSE └── package.json /.gitignore: -------------------------------------------------------------------------------- 1 | *.log 2 | *.pid 3 | *.seed 4 | node_modules 5 | -------------------------------------------------------------------------------- /.babelrc: -------------------------------------------------------------------------------- 1 | { 2 | "presets": ["es2015", "stage-2", "react"] 3 | } 4 | -------------------------------------------------------------------------------- /examples/admin/src/api/index.js: -------------------------------------------------------------------------------- 1 | import api from './api'; 2 | 3 | export default api; 4 | -------------------------------------------------------------------------------- /examples/login/src/api/index.js: -------------------------------------------------------------------------------- 1 | import api from './api'; 2 | 3 | export default api; 4 | -------------------------------------------------------------------------------- /examples/login/src/api/Result.js: -------------------------------------------------------------------------------- 1 | import Type from 'union-type'; 2 | 3 | const Result = Type({ 4 | Ok: [String], 5 | Error: [String] 6 | }); 7 | 8 | export default Result; 9 | -------------------------------------------------------------------------------- /examples/counterList/style.css: -------------------------------------------------------------------------------- 1 | * { 2 | box-sizing: border-box; 3 | } 4 | 5 | div, button { 6 | text-align: center; 7 | padding: 5px; 8 | font-weight: bold; 9 | } 10 | -------------------------------------------------------------------------------- /examples/admin/src/api/Result.js: -------------------------------------------------------------------------------- 1 | import Type from 'union-type'; 2 | 3 | const T = () => true; 4 | const Result = Type({ 5 | Ok: [T], 6 | Error: [T] 7 | }); 8 | 9 | export default Result; 10 | -------------------------------------------------------------------------------- /.eslintrc: -------------------------------------------------------------------------------- 1 | { 2 | "env": { 3 | "browser": true, 4 | "node": true 5 | }, 6 | 7 | "parser": "babel-eslint", 8 | "extends": "eslint:recommended", 9 | "plugins": [ "react" ], 10 | "rules": { 11 | "react/jsx-no-undef": 1, 12 | "react/jsx-uses-vars": 1, 13 | "react/jsx-uses-react": 1 14 | } 15 | } 16 | -------------------------------------------------------------------------------- /examples/counter/src/UpdateResult.js: -------------------------------------------------------------------------------- 1 | import Type from 'union-type'; 2 | 3 | const T = () => true; 4 | 5 | export const UpdateResult = Type({ 6 | Pure: [T], 7 | WithEffects: [T, T] 8 | }); 9 | 10 | export const pure = v => UpdateResult.Pure(v); 11 | export const withEffects = (v,ef) => UpdateResult.WithEffects(v, ef); 12 | -------------------------------------------------------------------------------- /examples/login/src/UpdateResult.js: -------------------------------------------------------------------------------- 1 | import Type from 'union-type'; 2 | 3 | const T = () => true; 4 | 5 | export const UpdateResult = Type({ 6 | Pure: [T], 7 | WithEffects: [T, T] 8 | }); 9 | 10 | export const pure = v => UpdateResult.Pure(v); 11 | export const withEffects = (v,ef) => UpdateResult.WithEffects(v, ef); 12 | -------------------------------------------------------------------------------- /examples/counterList/src/UpdateResult.js: -------------------------------------------------------------------------------- 1 | import Type from 'union-type'; 2 | 3 | const T = () => true; 4 | 5 | export const UpdateResult = Type({ 6 | Pure: [T], 7 | WithEffects: [T, T] 8 | }); 9 | 10 | export const pure = v => UpdateResult.Pure(v); 11 | export const withEffects = (v,ef) => UpdateResult.WithEffects(v, ef); 12 | -------------------------------------------------------------------------------- /examples/admin/src/UpdateResult.js: -------------------------------------------------------------------------------- 1 | import Type from 'union-type'; 2 | 3 | const T = () => true; 4 | 5 | export const UpdateResult = Type({ 6 | Pure: [T], 7 | WithEffects: [T, T] 8 | }); 9 | 10 | export const pure = v => UpdateResult.Pure(v); 11 | export const withEffects = (v, effect) => UpdateResult.WithEffects(v, effect); 12 | -------------------------------------------------------------------------------- /examples/counter/style.css: -------------------------------------------------------------------------------- 1 | * { 2 | box-sizing: border-box; 3 | } 4 | 5 | body { 6 | display: flex; 7 | align-items: center; 8 | justify-content: center; 9 | font-size: 14px; 10 | height: 100vh; 11 | } 12 | 13 | div, button { 14 | width: 120px; 15 | text-align: center; 16 | padding: 5px; 17 | font-weight: bold; 18 | } 19 | -------------------------------------------------------------------------------- /examples/login/index.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Login 8 | 9 | 10 | 11 |
12 | 13 | 14 | 15 | 16 | -------------------------------------------------------------------------------- /examples/admin/index.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | User admin 8 | 9 | 10 | 11 |
12 | 13 | 14 | 15 | 16 | -------------------------------------------------------------------------------- /examples/counter/index.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Counter 8 | 9 | 10 | 11 |
12 | 13 | 14 | 15 | 16 | -------------------------------------------------------------------------------- /examples/counterList/index.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Counter 8 | 9 | 10 | 11 |
12 | 13 | 14 | 15 | 16 | -------------------------------------------------------------------------------- /examples/admin/src/api/api.js: -------------------------------------------------------------------------------- 1 | 2 | import * as users from './users'; 3 | import Result from './Result'; 4 | 5 | const makeApiCall = method => 6 | (...args) => { 7 | return new Promise((res, rej) => { 8 | setTimeout(() => { 9 | Result.case({ 10 | Ok: res, 11 | Error: rej 12 | }, method(...args)); 13 | }, 200); 14 | }); 15 | } 16 | 17 | const obj = {}; 18 | for (var key in users) { 19 | obj[key] = makeApiCall(users[key]); 20 | } 21 | 22 | export default obj; 23 | -------------------------------------------------------------------------------- /examples/login/src/api/api.js: -------------------------------------------------------------------------------- 1 | 2 | import * as users from './users'; 3 | import Result from './Result'; 4 | 5 | const makeApiCall = method => 6 | (...args) => { 7 | return new Promise((res, rej) => { 8 | setTimeout(() => { 9 | Result.case({ 10 | Ok: res, 11 | Error: rej 12 | }, method(...args)); 13 | }, 200); 14 | }); 15 | } 16 | 17 | const obj = {}; 18 | for (var key in users) { 19 | obj[key] = makeApiCall(users[key]); 20 | } 21 | 22 | export default obj; 23 | -------------------------------------------------------------------------------- /examples/admin/src/RequestStatus.js: -------------------------------------------------------------------------------- 1 | import Type from 'union-type'; 2 | 3 | const T = () => true; 4 | 5 | const Status = Type({ 6 | Empty : [], 7 | Pending : [], 8 | Success : [T], 9 | Error : [T] 10 | }); 11 | 12 | Status.isPending = Status.case({ 13 | Pending: () => true, 14 | _: () => false 15 | }); 16 | 17 | Status.isSuccess = Status.case({ 18 | Success: () => true, 19 | _: () => false 20 | }); 21 | 22 | Status.isError = Status.case({ 23 | Error: () => true, 24 | _: () => false 25 | }); 26 | 27 | export default Status; 28 | -------------------------------------------------------------------------------- /examples/login/src/RequestStatus.js: -------------------------------------------------------------------------------- 1 | import Type from 'union-type'; 2 | 3 | const T = () => true; 4 | 5 | const Status = Type({ 6 | Empty : [], 7 | Pending : [], 8 | Success : [T], 9 | Error : [T] 10 | }); 11 | 12 | Status.isPending = Status.case({ 13 | Pending: () => true, 14 | _: () => false 15 | }); 16 | 17 | Status.isSuccess = Status.case({ 18 | Success: () => true, 19 | _: () => false 20 | }); 21 | 22 | Status.isError = Status.case({ 23 | Error: () => true, 24 | _: () => false 25 | }); 26 | 27 | export default Status; 28 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | Elm architecture examples with JavaScript/JSX using 2 | 3 | - Snabbdom : A small and modular Virtual DOM library 4 | - Snabbdom-jsx: a tiny library for writing Snabbdom Virtual DOM using JSX syntax 5 | - union-type: to represent Component Actions 6 | 7 | ## Setup 8 | 9 | - Clone the repository then run `npm install`. 10 | - `npm run {example}` to run the specified example 11 | 12 | ## Examples 13 | 14 | The repository contains some examples 15 | 16 | - counter: a simple increment/decrement counter 17 | - counterList: List of the precedent counter example 18 | - login: Demonstrates Asynchronous Actions in a single component 19 | - admin: Demonstrates Asynchronous Actions in nested component hierarchies (need fix) 20 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | The MIT License (MIT) 2 | 3 | Copyright (c) 2015 Yassine Elouafi 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 | 23 | -------------------------------------------------------------------------------- /examples/counterList/src/Counter.js: -------------------------------------------------------------------------------- 1 | /** @jsx html */ 2 | 3 | import { html } from 'snabbdom-jsx'; 4 | import Type from 'union-type'; 5 | import { pure, withEffects } from './UpdateResult'; 6 | 7 | const Action = Type({ 8 | Increment : [], 9 | Decrement : [], 10 | IncrementLater : [] 11 | }) 12 | 13 | const Effect = Type({ 14 | IncrementAsync : [] 15 | }); 16 | 17 | const view = ({state, dispatch}) => 18 |
19 | 20 |
{state}
21 | 22 | 23 |
; 24 | 25 | const init = () => pure(0); 26 | 27 | const update = (state, action) => Action.case({ 28 | Increment : () => pure(state + 1), 29 | Decrement : () => pure(state - 1), 30 | IncrementLater : () => withEffects(state, Effect.IncrementAsync()) 31 | }, action); 32 | 33 | const execute = (state, effect, dispatch) => Effect.case({ 34 | IncrementAsync: () => setTimeout(() => dispatch(Action.Increment()), 1000) 35 | }, effect); 36 | 37 | export default { init, update, execute, view, Action, Effect }; 38 | -------------------------------------------------------------------------------- /examples/counter/src/main.js: -------------------------------------------------------------------------------- 1 | /** @jsx html */ 2 | 3 | import { html } from 'snabbdom-jsx'; 4 | import snabbdom from 'snabbdom'; 5 | import { UpdateResult } from './updateResult'; 6 | import App from './Counter'; 7 | 8 | const patch = snabbdom.init([ 9 | require('snabbdom/modules/class'), 10 | require('snabbdom/modules/props'), 11 | require('snabbdom/modules/style'), 12 | require('snabbdom/modules/eventListeners') 13 | ]); 14 | 15 | 16 | var state, 17 | vnode = document.getElementById('placeholder'); 18 | 19 | function updateUI() { 20 | const newVnode = ; 21 | vnode = patch(vnode, newVnode); 22 | } 23 | 24 | function updateStatePure(newState) { 25 | state = newState; 26 | updateUI(); 27 | } 28 | 29 | function updateStateWithEffect(newState, effect) { 30 | updateStatePure(newState); 31 | App.execute(state, effect, dispatch); 32 | } 33 | 34 | function handleUpdateResult(updateResult) { 35 | UpdateResult.case({ 36 | Pure : updateStatePure, 37 | WithEffects : updateStateWithEffect 38 | }, updateResult); 39 | } 40 | 41 | export function dispatch(action) { 42 | const updateResult = App.update(state, action); 43 | handleUpdateResult(updateResult); 44 | } 45 | 46 | handleUpdateResult(App.init()); 47 | -------------------------------------------------------------------------------- /examples/login/src/main.js: -------------------------------------------------------------------------------- 1 | /** @jsx html */ 2 | 3 | import { html } from 'snabbdom-jsx'; 4 | import snabbdom from 'snabbdom'; 5 | import { UpdateResult } from './UpdateResult'; 6 | import App from './Login'; 7 | 8 | const patch = snabbdom.init([ 9 | require('snabbdom/modules/class'), 10 | require('snabbdom/modules/props'), 11 | require('snabbdom/modules/style'), 12 | require('snabbdom/modules/eventListeners') 13 | ]); 14 | 15 | 16 | var state, 17 | vnode = document.getElementById('placeholder'); 18 | 19 | function updateUI() { 20 | const newVnode = ; 21 | vnode = patch(vnode, newVnode); 22 | } 23 | 24 | function updateStatePure(newState) { 25 | state = newState; 26 | updateUI(); 27 | } 28 | 29 | function updateStateWithEffect(newState, effect) { 30 | updateStatePure(newState); 31 | App.execute(state, effect, dispatch); 32 | } 33 | 34 | function handleUpdateResult(updateResult) { 35 | UpdateResult.case({ 36 | Pure : updateStatePure, 37 | WithEffects : updateStateWithEffect 38 | }, updateResult); 39 | } 40 | 41 | export function dispatch(action) { 42 | const updateResult = App.update(state, action); 43 | handleUpdateResult(updateResult); 44 | } 45 | 46 | handleUpdateResult(App.init()); 47 | -------------------------------------------------------------------------------- /package.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "elm-arch-with-snabbdom", 3 | "version": "1.0.0", 4 | "description": "Elm architecture examples with JavaScript/JSX using Snabbdom", 5 | "scripts": { 6 | "counter": "budo examples/counter/src/main.js:build.js --dir examples/counter --verbose --live -- -t babelify", 7 | "counterList": "budo examples/counterList/src/main.js:build.js --dir examples/counterList --verbose --live -- -t babelify", 8 | "login": "budo examples/login/src/main.js:build.js --dir examples/login --verbose --live -- -t babelify", 9 | "admin": "budo examples/admin/src/main.js:build.js --dir examples/admin --verbose --live -- -t babelify" 10 | }, 11 | "keywords": [ 12 | "elm", 13 | "architecture", 14 | "snabbdom", 15 | "JSX", 16 | "virtual", 17 | "dom" 18 | ], 19 | "author": "Yassine Elouafi ", 20 | "license": "MIT", 21 | "dependencies": { 22 | "snabbdom": "^0.2.8", 23 | "snabbdom-jsx": "^0.3.0", 24 | "union-type": "^0.1.6" 25 | }, 26 | "devDependencies": { 27 | "babel-preset-es2015": "^6.3.13", 28 | "babel-preset-react": "^6.3.13", 29 | "babel-preset-stage-2": "^6.3.13", 30 | "babelify": "^7.2.0", 31 | "browserify": "^13.0.0", 32 | "budo": "^7.1.0" 33 | } 34 | } 35 | -------------------------------------------------------------------------------- /examples/admin/src/main.js: -------------------------------------------------------------------------------- 1 | /** @jsx html */ 2 | 3 | import { html } from 'snabbdom-jsx'; 4 | import snabbdom from 'snabbdom'; 5 | import { UpdateResult } from './UpdateResult'; 6 | import App from './App'; 7 | 8 | const patch = snabbdom.init([ 9 | require('snabbdom/modules/class'), 10 | require('snabbdom/modules/props'), 11 | require('snabbdom/modules/style'), 12 | require('snabbdom/modules/eventListeners') 13 | ]); 14 | 15 | 16 | var state, 17 | vnode = document.getElementById('placeholder'); 18 | 19 | function updateUI() { 20 | const newVnode = ; 21 | vnode = patch(vnode, newVnode); 22 | } 23 | 24 | function updateStatePure(newState) { 25 | //console.log(newState) 26 | state = newState; 27 | updateUI(); 28 | } 29 | 30 | function updateStateWithEffect(newState, effect) { 31 | updateStatePure(newState); 32 | App.execute(state, effect, dispatch); 33 | } 34 | 35 | function handleUpdateResult(updateResult) { 36 | UpdateResult.case({ 37 | Pure : updateStatePure, 38 | WithEffects : updateStateWithEffect 39 | }, updateResult); 40 | } 41 | 42 | export function dispatch(action) { 43 | const updateResult = App.update(state, action); 44 | handleUpdateResult(updateResult); 45 | } 46 | 47 | handleUpdateResult(App.init()); 48 | -------------------------------------------------------------------------------- /examples/counter/src/Counter.js: -------------------------------------------------------------------------------- 1 | /** @jsx html */ 2 | 3 | import { html } from 'snabbdom-jsx'; 4 | import Type from 'union-type'; 5 | import { pure, withEffects } from './updateResult'; 6 | 7 | const Action = Type({ 8 | Increment : [], 9 | Decrement : [], 10 | IncrementLater : [] 11 | }) 12 | 13 | const Effect = Type({ 14 | IncrementAsync : [] 15 | }); 16 | 17 | const view = ({state, dispatch}) => 18 |
19 | 20 |
{state}
21 | 22 | 23 |
; 24 | 25 | const init = () => pure(0); 26 | 27 | const update = (state, action) => Action.case({ 28 | Increment : () => pure(state + 1), 29 | Decrement : () => pure(state - 1), 30 | IncrementLater : () => withEffects(state, Effect.IncrementAsync()) 31 | }, action); 32 | 33 | function incrementAsync(dispatch) { 34 | setTimeout(() => dispatch(Action.Increment()), 1000) 35 | } 36 | 37 | const execute = (state, effect, dispatch) => Effect.case({ 38 | IncrementAsync: () => incrementAsync(dispatch) 39 | }, effect); 40 | 41 | export default { view, init, update, execute, Action, Effect }; 42 | -------------------------------------------------------------------------------- /examples/counterList/src/main.js: -------------------------------------------------------------------------------- 1 | /** @jsx html */ 2 | 3 | import { html } from 'snabbdom-jsx'; 4 | import snabbdom from 'snabbdom'; 5 | import { UpdateResult } from './UpdateResult'; 6 | import App from './CounterList'; 7 | 8 | const patch = snabbdom.init([ 9 | require('snabbdom/modules/class'), 10 | require('snabbdom/modules/props'), 11 | require('snabbdom/modules/style'), 12 | require('snabbdom/modules/eventListeners') 13 | ]); 14 | 15 | 16 | var state, 17 | vnode = document.getElementById('placeholder'); 18 | 19 | function updateUI() { 20 | const newVnode = ; 21 | vnode = patch(vnode, newVnode); 22 | } 23 | 24 | function updateStatePure(newState) { 25 | state = newState; 26 | updateUI(); 27 | } 28 | 29 | function updateStateWithEffect(newState, effect) { 30 | updateStatePure(newState); 31 | App.execute(state, effect, dispatch); 32 | } 33 | 34 | function handleUpdateResult(updateResult) { 35 | UpdateResult.case({ 36 | Pure : updateStatePure, 37 | WithEffects : updateStateWithEffect 38 | }, updateResult); 39 | } 40 | 41 | function dispatch(action) { 42 | const updateResult = App.update(state, action); 43 | handleUpdateResult(updateResult); 44 | } 45 | 46 | function mapDispatcher(context) { 47 | const newDisp = action => this(context(action)); 48 | newDisp.map = mapDispatcher; 49 | return newDisp; 50 | } 51 | 52 | dispatch.map = mapDispatcher; 53 | 54 | handleUpdateResult(App.init()); 55 | -------------------------------------------------------------------------------- /examples/login/style.css: -------------------------------------------------------------------------------- 1 | * { 2 | box-sizing: border-box; 3 | } 4 | 5 | body { 6 | display: flex; 7 | align-items: center; 8 | justify-content: center; 9 | height: 100vh; 10 | font-size: 14px; 11 | } 12 | 13 | .login { 14 | width: 300px; 15 | padding: 1em; 16 | background: #fff; 17 | border-radius: 0.5em; 18 | border: 1px solid #46b8da; 19 | border-top-width: 0.5em; 20 | } 21 | 22 | .login h1 { 23 | text-align: center; 24 | font-size: 1.5em; 25 | text-transform: uppercase; 26 | margin-top: 0; 27 | margin-bottom: 1em; 28 | } 29 | 30 | .login input { 31 | width: 100%; 32 | height: 3em; 33 | border-radius: 5px; 34 | border: 1px solid #ccc; 35 | margin-bottom: 1em; 36 | padding: 0 0.5em; 37 | outline: none; 38 | } 39 | 40 | .login input:active, .login input:focus { 41 | border-color: #66afe9; 42 | outline: 0; 43 | box-shadow: inset 0 1px 1px rgba(0,0,0,.075),0 0 8px rgba(102,175,233,.6); 44 | } 45 | 46 | .login button { 47 | width: 100%; 48 | height: 40px; 49 | border-radius: 5px; 50 | border: 1px solid #46b8da; 51 | color: #ffffff; 52 | background-color: #3097d1; 53 | border-color: #2a88bd; 54 | font-weight: bold; 55 | text-transform: uppercase; 56 | cursor: pointer; 57 | } 58 | 59 | .login button:hover { 60 | color: #ffffff; 61 | background-color: #2579a9; 62 | border-color: #1f648b; 63 | } 64 | 65 | .error { 66 | margin-bottom: 1em; 67 | color: #c9302c; 68 | } 69 | 70 | .success { 71 | margin-bottom: 1em; 72 | color: #449d44; 73 | } 74 | -------------------------------------------------------------------------------- /examples/login/src/api/users.js: -------------------------------------------------------------------------------- 1 | import Result from './Result'; 2 | 3 | const users = [ 4 | { name: 'admin', password: 'admin', admin: true}, 5 | { name: 'guest', password: 'guest'} 6 | ]; 7 | 8 | function isDuplicate(name, exceptIdx) { 9 | return users.some( (user, idx) => user.name === name && idx !== exceptIdx ); 10 | } 11 | 12 | export function getUsers() { 13 | return users.slice(1); 14 | } 15 | 16 | export function login(name, password) { 17 | const user = users.find(user => user.name === name && user.password === password); 18 | return user ? 19 | Result.Ok('') 20 | : Result.Error('Invalid username/password'); 21 | } 22 | 23 | export function addUser(name, password, admin) { 24 | if(!isDuplicate(name)) { 25 | users.push({name, password, admin}); 26 | return Result.Ok(`${users.length}`); 27 | } else { 28 | return Result.Error('Duplicate user'); 29 | } 30 | } 31 | 32 | export function updateUser(user) { 33 | const idx = users.findIndex( u => u.name === user.name ); 34 | if(idx < 0) 35 | return Result.Error('Invalid user id'); 36 | else if(isDuplicate(user.name, idx)) 37 | return Result.Error('Duplicate user name'); 38 | else { 39 | users[idx] = user; 40 | return Result.Ok(''); 41 | } 42 | } 43 | 44 | export function removeUser(user) { 45 | const idx = users.findIndex( u => u.name === user.name ); 46 | if(idx < 0) 47 | return Result.Error('Unkown user!'); 48 | 49 | if(idx === 0) 50 | return Result.Error('Can not remove this one!'); 51 | 52 | else { 53 | users.splice(idx, 1); 54 | return Result.Ok(); 55 | } 56 | } 57 | -------------------------------------------------------------------------------- /examples/admin/src/api/users.js: -------------------------------------------------------------------------------- 1 | import Result from './Result'; 2 | 3 | const users = [ 4 | { name: 'admin', password: 'admin', admin: true}, 5 | { name: 'guest', password: 'guest'} 6 | ]; 7 | 8 | function isDuplicate(name, exceptIdx) { 9 | return users.some( (user, idx) => user.name === name && idx !== exceptIdx ); 10 | } 11 | 12 | export function getUsers() { 13 | return Result.Ok(users.slice(1)); 14 | } 15 | 16 | export function login(name, password) { 17 | const user = users.find(user => user.name === name && user.password === password); 18 | return user ? 19 | Result.Ok('') 20 | : Result.Error('Invalid username/password'); 21 | } 22 | 23 | export function addUser(name, password, admin) { 24 | if(!isDuplicate(name)) { 25 | users.push({name, password, admin}); 26 | return Result.Ok(`${users.length}`); 27 | } else { 28 | return Result.Error('Duplicate user'); 29 | } 30 | } 31 | 32 | export function updateUser(user) { 33 | const idx = users.findIndex( u => u.name === user.name ); 34 | if(idx < 0) 35 | return Result.Error('Invalid user id'); 36 | else if(isDuplicate(user.name, idx)) 37 | return Result.Error('Duplicate user name'); 38 | else { 39 | users[idx] = user; 40 | return Result.Ok(''); 41 | } 42 | } 43 | 44 | export function removeUser(user) { 45 | const idx = users.findIndex( u => u.name === user.name ); 46 | if(idx < 0) 47 | return Result.Error('Unkown user!'); 48 | 49 | if(idx === 0) 50 | return Result.Error('Can not remove this one!'); 51 | 52 | else { 53 | users.splice(idx, 1); 54 | return Result.Ok(); 55 | } 56 | } 57 | -------------------------------------------------------------------------------- /examples/admin/style.css: -------------------------------------------------------------------------------- 1 | * { 2 | box-sizing: border-box; 3 | } 4 | 5 | body { 6 | font-size: 14px; 7 | } 8 | 9 | input { 10 | height: 3em; 11 | border-radius: 0.2em; 12 | border: 1px solid #ccc; 13 | padding: 0 0.5em; 14 | outline: none; 15 | } 16 | 17 | input:active, input:focus { 18 | border-color: #66afe9; 19 | outline: 0; 20 | box-shadow: inset 0 1px 1px rgba(0,0,0,.075),0 0 8px rgba(102,175,233,.6); 21 | } 22 | 23 | button { 24 | height: 3em; 25 | border-radius: 0.2em; 26 | border: 1px solid #46b8da; 27 | color: #2a88bd; 28 | background-color: transparent; 29 | border-color: #2a88bd; 30 | outline: none; 31 | cursor: pointer; 32 | } 33 | 34 | button:hover { 35 | color: #ffffff; 36 | background-color: #2a88bd; 37 | box-shadow: none; 38 | } 39 | 40 | h1 { 41 | font-size: 1.5em; 42 | text-transform: uppercase; 43 | } 44 | 45 | .status { 46 | font-size: 1.5em; 47 | font-weight: bold; 48 | } 49 | 50 | .error { 51 | color: #c9302c; 52 | } 53 | 54 | .success { 55 | color: #449d44; 56 | } 57 | 58 | .login { 59 | display: flex; 60 | align-items: center; 61 | justify-content: center; 62 | height: 100vh; 63 | } 64 | 65 | .login form { 66 | width: 300px; 67 | padding: 1em; 68 | background: #fff; 69 | border-radius: 0.5em; 70 | border: 1px solid #46b8da; 71 | border-top-width: 0.5em; 72 | } 73 | 74 | .login h1 { 75 | text-align: center; 76 | margin-top: 0; 77 | margin-bottom: 1em; 78 | } 79 | 80 | .login input { 81 | width: 100%; 82 | margin-bottom: 1em; 83 | } 84 | 85 | .login button { 86 | width: 100%; 87 | font-weight: bold; 88 | text-transform: uppercase; 89 | } 90 | 91 | .login .status { 92 | margin-bottom: 1em; 93 | } 94 | 95 | .admin { 96 | margin: 2em; 97 | } 98 | 99 | .admin .item { 100 | padding: 0.5em 1em; 101 | } 102 | 103 | .admin input { 104 | width: 15em; 105 | margin-right: 1em; 106 | } 107 | 108 | .admin button { 109 | width: 12em; 110 | margin-right: 1em; 111 | } 112 | -------------------------------------------------------------------------------- /examples/counterList/src/CounterList.js: -------------------------------------------------------------------------------- 1 | /** @jsx html */ 2 | 3 | import { html } from 'snabbdom-jsx'; 4 | import Counter from './Counter'; 5 | import Type from 'union-type'; 6 | import { UpdateResult, pure, withEffects } from './UpdateResult'; 7 | 8 | const Action = Type({ 9 | Add : [], 10 | Update : [Number, Counter.Action] 11 | }); 12 | 13 | const Effect = Type({ 14 | Counter : [Number, Counter.Effect] 15 | }); 16 | 17 | 18 | const view = ({state, dispatch}) => 19 |
20 | 21 |
22 |
{ 23 | state.map((item, idx) => 24 | ) 25 | }
26 |
; 27 | 28 | const init = () => pure([]); 29 | 30 | const addPure = (state, v) => [...state, v]; 31 | const updatePure = (state, v, idx) => state.map((item,i) => i === idx ? v : item); 32 | 33 | function addCounter(state) { 34 | return UpdateResult.case({ 35 | Pure : v => pure(addPure(state, v)), 36 | WithEffects : (v, eff) => withEffects( 37 | addPure(state, v), 38 | Effect.Counter(state.length, eff)) 39 | }, Counter.init()); 40 | } 41 | 42 | function updateCounter(state, idx, action) { 43 | return UpdateResult.case({ 44 | Pure : v => pure(updatePure(state, v, idx)), 45 | WithEffects : (v, eff) => withEffects( 46 | updatePure(state, v, idx), 47 | Effect.Counter(idx, eff)) 48 | }, Counter.update(state[idx],action)); 49 | } 50 | 51 | const update = (state, action) => Action.case({ 52 | Add : () => addCounter(state), 53 | Update : (idx, action) => updateCounter(state, idx, action) 54 | }, action); 55 | 56 | const execute = (state, effect, dispatch) => Effect.case({ 57 | Counter: (idx, counterEffect) => 58 | Counter.execute( 59 | state[idx], 60 | counterEffect, dispatch.map(Action.Update(idx)) ) 61 | }, effect); 62 | 63 | export default { view, init, update, execute, Action, Effect } 64 | -------------------------------------------------------------------------------- /examples/admin/src/Login.js: -------------------------------------------------------------------------------- 1 | /** @jsx html */ 2 | 3 | import { html } from 'snabbdom-jsx'; 4 | import Type from 'union-type'; 5 | import Status from './RequestStatus'; 6 | import { pure, withEffects } from './UpdateResult'; 7 | import api from './api'; 8 | 9 | /* 10 | state: { 11 | name : String, current username input 12 | password : String, current paswword input 13 | status : Status, status of the last request 14 | } 15 | */ 16 | 17 | const Action = Type({ 18 | Name : [String], 19 | Password : [String], 20 | Login : [], 21 | LoginError : [String] 22 | }); 23 | 24 | const Effect = Type({ 25 | Login : [] 26 | }); 27 | 28 | function onInput(dispatch, action) { 29 | return e => dispatch(action(e.target.value)); 30 | } 31 | 32 | function onSubmit(dispatch) { 33 | return e => { 34 | e.preventDefault(); 35 | dispatch(Action.Login()); 36 | return false; 37 | } 38 | } 39 | 40 | const view = ({ 41 | state: {name, password, status}, 42 | dispatch 43 | }) => 44 |
45 |
46 |

Login

47 | 48 | 53 | 54 | 59 | 60 |
{statusMsg(status)}
64 | 65 | 66 |
; 67 |
68 | 69 | const statusMsg = Status.case({ 70 | Empty : () => '', 71 | Pending : () => 'Logging in ...', 72 | Success : () => 'Login Successfull', 73 | Error : error => error 74 | }); 75 | 76 | 77 | function init() { 78 | return pure({ name: '', password: '', status: Status.Empty() }); 79 | } 80 | 81 | 82 | function login(state, dispatch) { 83 | api.login(state.name, state.password) 84 | .then(() => window.location.hash = '/admin') 85 | .catch( err => dispatch(Action.LoginError(err))); 86 | } 87 | 88 | function update(state, action) { 89 | return Action.case({ 90 | // Input actions 91 | Name : name => pure({ ...state, name }), 92 | Password : password => pure({ ...state, password }), 93 | 94 | // Request actions 95 | Login : () => withEffects( 96 | { ...state, status: Status.Pending()}, 97 | Effect.Login() 98 | ), 99 | LoginError : (error) => pure({ ...state, status: Status.Error(error) }) 100 | }, action); 101 | } 102 | 103 | function execute(state, effect, dispatch) { 104 | Effect.case({ 105 | Login : () => login(state, dispatch) 106 | }, effect) 107 | } 108 | 109 | export default { view, init, update, Action, execute, Effect }; 110 | -------------------------------------------------------------------------------- /examples/login/src/Login.js: -------------------------------------------------------------------------------- 1 | /** @jsx html */ 2 | 3 | import { html } from 'snabbdom-jsx'; 4 | import Type from 'union-type'; 5 | import Status from './RequestStatus'; 6 | import { pure, withEffects } from './UpdateResult'; 7 | import api from './api'; 8 | 9 | /* 10 | state: { 11 | name : String, current username input 12 | password : String, current paswword input 13 | status : Status, status of the last request 14 | } 15 | */ 16 | 17 | const Action = Type({ 18 | Name : [String], 19 | Password : [String], 20 | Login : [], 21 | LoginSuccess: [String], 22 | LoginError : [String] 23 | }); 24 | 25 | const Effect = Type({ 26 | Login : [] 27 | }); 28 | 29 | function onInput(dispatch, action) { 30 | return e => dispatch(action(e.target.value)); 31 | } 32 | 33 | function onSubmit(dispatch) { 34 | return e => { 35 | e.preventDefault(); 36 | dispatch(Action.Login()); 37 | return false; 38 | } 39 | } 40 | 41 | const view = ({ 42 | state: {name, password, status}, 43 | dispatch 44 | }) => 45 | 46 |
47 |

Login

48 | 49 | 54 | 55 | 60 | 61 |
{statusMsg(status)}
65 | 66 | 67 |
; 68 | 69 | const statusMsg = Status.case({ 70 | Empty : () => '', 71 | Pending : () => 'Logging in ...', 72 | Success : () => 'Login Successfull', 73 | Error : error => error 74 | }); 75 | 76 | 77 | function init() { 78 | return pure({ name: '', password: '', status: Status.Empty() }); 79 | } 80 | 81 | 82 | function login(state, dispatch) { 83 | api.login(state.name, state.password) 84 | .then(Action.LoginSuccess, Action.LoginError) 85 | .then(dispatch); 86 | } 87 | 88 | function update(state, action) { 89 | return Action.case({ 90 | // Input actions 91 | Name : name => pure({ ...state, name }), 92 | Password : password => pure({ ...state, password }), 93 | 94 | // Request actions 95 | Login : () => withEffects( 96 | { ...state, status: Status.Pending()}, 97 | Effect.Login() 98 | ), 99 | LoginSuccess : () => pure({ ...state, status: Status.Success('') }), 100 | LoginError : (error) => pure({ ...state, status: Status.Error(error) }) 101 | }, action); 102 | } 103 | 104 | function execute(state, effect, dispatch) { 105 | Effect.case({ 106 | Login : () => login(state, dispatch) 107 | }, effect) 108 | } 109 | 110 | export default { view, init, update, Action, execute, Effect }; 111 | -------------------------------------------------------------------------------- /examples/admin/src/UserForm.js: -------------------------------------------------------------------------------- 1 | /** @jsx html */ 2 | 3 | import { html } from 'snabbdom-jsx'; 4 | import Type from 'union-type'; 5 | import Status from './RequestStatus'; 6 | import { pure, withEffects } from './UpdateResult'; 7 | import api from './api'; 8 | /* 9 | state: { 10 | id : Number, stored id 11 | name : String, current username input 12 | password : String, current paswword input 13 | status : Status, status of the last request 14 | } 15 | */ 16 | 17 | const Action = Type({ 18 | Name : [String], 19 | Password : [String], 20 | Save : [], 21 | SaveSuccess : [Object], // {id} 22 | SaveError : [Object] // {error} 23 | }); 24 | 25 | const Effect = Type({ 26 | Save: [] 27 | }); 28 | 29 | function onInput(dispatch, action) { 30 | return e => dispatch(action(e.target.value)); 31 | } 32 | 33 | function onSubmit(dispatch) { 34 | return e => { 35 | e.preventDefault(); 36 | dispatch(Action.Save()); 37 | return false; 38 | } 39 | } 40 | 41 | 42 | const view = ({ 43 | state: { id, name, password, status }, 44 | dispatch 45 | }) => 46 | 47 |
48 | 53 | 54 | 59 | 60 | 65 | 66 | 69 | {statusMsg(status)} 70 | 71 |
; 72 | 73 | const statusMsg = Status.case({ 74 | Empty : () => '', 75 | Pending : () => 'Saving user...', 76 | Success : id => `User ${id} saved with success`, 77 | Error : error => `Error! ${error}` 78 | }); 79 | 80 | 81 | function init(user={name: '', password: ''}) { 82 | return pure({ ...user, status: Status.Empty() }); 83 | } 84 | 85 | 86 | function save(state, dispatch) { 87 | const save = state.id ? api.addUser : api.updateUser; 88 | const data = {id: state.id, name: state.name, password: state.password}; 89 | return save(data) 90 | .then(Action.SaveSuccess, Action.SaveError) 91 | .then(dispatch); 92 | 93 | } 94 | 95 | function update(state, action) { 96 | return Action.case({ 97 | // Input Actions 98 | Name : name => pure({ ...state, name }), 99 | Password : password => pure({ ...state, password }), 100 | // Save Request Actions 101 | Save : () => withEffects( 102 | { ...state, status: Status.Pending()}, 103 | Effect.Save() 104 | ), 105 | SaveSuccess : id => pure({ ...state, id, status: Status.Success(id) }), 106 | SaveError : error => pure({ ...state, status: Status.Error(error) }) 107 | }, action); 108 | } 109 | 110 | function execute(state, effect, dispatch) { 111 | Effect.case({ 112 | Save: () => save(state, dispatch) 113 | }, effect) 114 | } 115 | 116 | export default { view, init, update, Action, execute, Effect }; 117 | -------------------------------------------------------------------------------- /examples/admin/src/App.js: -------------------------------------------------------------------------------- 1 | /** @jsx html */ 2 | 3 | import { html } from 'snabbdom-jsx'; 4 | import Type from 'union-type'; 5 | import { UpdateResult, pure, withEffects } from './UpdateResult'; 6 | import Login from './Login'; 7 | import UserList from './UserList'; 8 | 9 | /* 10 | state: { 11 | { route1: component1, ...} 12 | currentRoute: String, 13 | currentState: Object 14 | } 15 | */ 16 | 17 | const DEFAULT_ROUTE = '/login'; 18 | const routes = { 19 | '/login': Login, 20 | '/admin': UserList 21 | }; 22 | const T = () => true; 23 | 24 | const Action = Type({ 25 | Navigate: [String], 26 | Update : [T] 27 | }); 28 | 29 | const Effect = Type({ 30 | Init: [T], 31 | Child: [T] 32 | }); 33 | 34 | function componentDispatcher(dispatch) { 35 | return action => dispatch(Action.Update(action)); 36 | } 37 | 38 | const view = ({ 39 | state: {routes, currentRoute, currentState}, 40 | dispatch 41 | }) => 42 | 43 |
{ 44 | routes[currentRoute].view({ 45 | state: currentState, 46 | dispatch: componentDispatcher(dispatch) 47 | }) 48 | }
49 | 50 | function initPure(currentState) { 51 | return { 52 | routes, 53 | currentRoute: DEFAULT_ROUTE, 54 | currentState 55 | }; 56 | } 57 | 58 | function init() { 59 | const component = routes[DEFAULT_ROUTE], 60 | result = component.init(); 61 | 62 | return UpdateResult.case({ 63 | Pure: currentState => 64 | withEffects(initPure(currentState), Effect.Init(null)), 65 | WithEffects: (currentState, eff) => 66 | withEffects(initPure(currentState), Effect.Init(eff)) 67 | }, result); 68 | } 69 | 70 | function navigatePure(state, currentRoute, currentState) { 71 | return {...state, 72 | currentRoute, 73 | currentState 74 | }; 75 | } 76 | 77 | function navigate(state, currentRoute) { 78 | const component = state.routes[currentRoute] || DEFAULT_ROUTE, 79 | result = component.init(); 80 | 81 | return UpdateResult.case({ 82 | Pure: currentState => 83 | pure(navigatePure(state, currentRoute, currentState)), 84 | WithEffects: (currentState, eff) => 85 | withEffects( 86 | navigatePure(state, currentRoute, currentState), 87 | Effect.Child(eff)) 88 | }, result); 89 | } 90 | 91 | function updateComponentPure(state, currentState) { 92 | return {...state, currentState }; 93 | } 94 | 95 | function updateComponent(state, action) { 96 | const component = state.routes[state.currentRoute], 97 | result = component.update(state.currentState, action); 98 | 99 | return UpdateResult.case({ 100 | Pure: currentState => 101 | pure(updateComponentPure(state, currentState)), 102 | WithEffects: (currentState, eff) => 103 | withEffects( 104 | updateComponentPure(state, currentState), 105 | Effect.Child(eff)) 106 | }, result); 107 | 108 | } 109 | 110 | 111 | function update(state, action) { 112 | return Action.case({ 113 | Navigate: route => navigate(state, route), 114 | Update : componentAction => updateComponent(state, componentAction) 115 | }, action); 116 | } 117 | 118 | function executeInit(state, childEff, dispatch) { 119 | window.addEventListener('hashchange', () => 120 | dispatch(Action.Navigate(window.location.hash.substr(1) || DEFAULT_ROUTE)) 121 | ); 122 | 123 | if(childEff) { 124 | const component = state.routes[state.currentRoute]; 125 | component.execute(state.currentState, childEff, componentDispatcher(dispatch)) 126 | } 127 | } 128 | 129 | function execute(state, effect, dispatch) { 130 | Effect.case({ 131 | Init: childEff => executeInit(state, childEff, dispatch), 132 | Child: eff => { 133 | const component = state.routes[state.currentRoute]; 134 | component.execute(state.currentState, eff, componentDispatcher(dispatch)) 135 | } 136 | }, effect); 137 | } 138 | 139 | export default { view, init, update, Action, execute, Effect }; 140 | -------------------------------------------------------------------------------- /examples/admin/src/UserList.js: -------------------------------------------------------------------------------- 1 | /** @jsx html */ 2 | 3 | import { html } from 'snabbdom-jsx'; 4 | import Type from 'union-type'; 5 | import UserForm from './UserForm'; 6 | import Status from './RequestStatus'; 7 | import { UpdateResult, pure, withEffects } from './UpdateResult'; 8 | import api from './api'; 9 | 10 | /* 11 | state: { 12 | items : [{id: Number, user: UserForm}], 13 | nextId : Number, 14 | status : Status 15 | } 16 | */ 17 | 18 | const Action = Type({ 19 | Add : [], 20 | Update : [Number, UserForm.Action], 21 | GetUsers : [], 22 | GetUsersSuccess : [Array], 23 | GetUsersError : [Object] 24 | }); 25 | 26 | const Effect = Type({ 27 | GetUsers: [], 28 | UserForm: [Number, UserForm.Effect] 29 | }); 30 | 31 | function userDispatcher(id, dispatch) { 32 | return action => dispatch(Action.Update(id, action)); 33 | } 34 | 35 | const view = ({state, dispatch}) => 36 |
37 | 38 | {statusMsg(state.status)} 39 |
40 |
{ 41 | state.items.map( item => ) 42 | }
43 |
; 44 | 45 | const UserItem = ({item, dispatch}) => 46 |
47 | 48 |
49 | 50 | const statusMsg = Status.case({ 51 | Pending : () => 'Getting user list...', 52 | Error : error => `Error! ${error}`, 53 | _ : () => '' 54 | }); 55 | 56 | function receiveUsers(state, users) { 57 | const items = users.map( (user, idx) => ({ id: idx + 1, user: UserForm.init(user)[0] }) ); 58 | return pure({ 59 | items, 60 | nextId: items.length + 1, 61 | status: Status.Success('') 62 | }); 63 | } 64 | 65 | function getUsers(dispatch) { 66 | api.getUsers() 67 | .then(Action.GetUsersSuccess, Action.GetUsersError) 68 | .then(dispatch); 69 | } 70 | 71 | function addUserPure(state, user) { 72 | return {...state, 73 | users: [...state.users, {id: state.nextId, user}], 74 | nextId: state.nextId + 1 75 | }; 76 | } 77 | 78 | function addUser(state, userData) { 79 | const result = UserForm.init(userData); 80 | return UpdateResult.case({ 81 | Pure : user => pure(addUserPure(state, user)), 82 | WithEffects : (user, eff) => { 83 | const state = addUserPure(state, user); 84 | return withEffects(state, Effect.UserForm(state.nextId-1, eff)); 85 | } 86 | }, result); 87 | } 88 | 89 | function updateUserPure(state, user, id) { 90 | return {...state, 91 | items: state.items.map(it => it.id !== id ? it : { id: it.id, user }) 92 | }; 93 | } 94 | 95 | function updateUser(state, id, userAction) { 96 | const item = state.items.find(it => it.id === id); 97 | if(item) { 98 | const result = UserForm.update(item.user, userAction); 99 | return UpdateResult.case({ 100 | Pure : user => pure(updateUserPure(state, user, id)), 101 | WithEffects : (user, eff) => { 102 | const state = updateUserPure(state, user, id); 103 | return withEffects(state, Effect.UserForm(id, eff)); 104 | } 105 | }, result); 106 | } 107 | return pure(state); 108 | } 109 | 110 | const init = () => 111 | withEffects( 112 | { nextId: 1, items: [], status: Status.Pending() }, 113 | Effect.GetUsers() 114 | ); 115 | 116 | function update(state, action) { 117 | return Action.case({ 118 | Add : () => addUser(state), 119 | Update : (id, userAction) => updateUser(state, id, userAction), 120 | // GetUsers Request Actions 121 | GetUsers : () => withEffects( 122 | {...state, status: Status.Pending()}, 123 | Effect.GetUsers() 124 | ), 125 | GetUsersSuccess : users => receiveUsers(state, users), 126 | GetUsersError : error => pure({...state, status: Status.Error(error) }) 127 | }, action); 128 | } 129 | 130 | function execute(state, effect, dispatch) { 131 | Effect.case({ 132 | GetUsers: () => getUsers(dispatch), 133 | UserForm: (id, eff) => { 134 | const item = state.items.find(it => it.id === id); 135 | if(item) 136 | UserForm.execute(item.user, eff, userDispatcher(dispatch, id)) 137 | } 138 | }, effect); 139 | } 140 | 141 | 142 | 143 | export default { init, view, update, Action, execute, Effect }; 144 | --------------------------------------------------------------------------------