made with esnextbin
Created
September 26, 2016 15:45
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esnextbin sketch
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| <!doctype html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>ESNextbin Sketch</title> | |
| <!-- put additional styles and scripts here --> | |
| </head> | |
| <body> | |
| <!-- put markup and other contents here --> | |
| </body> | |
| </html> |
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| console.clear() | |
| import t from 'tcomb' | |
| import Type from 'union-type' | |
| const log = console.log.bind(console) | |
| const tType = obj => Object | |
| .keys(obj) | |
| .reduce((o, key) => (o[key] = t.subtype(obj[key], x => obj[key](x) === x, key), o), {}) | |
| const Actions = tType({'Up': t.String, 'Down': t.Any, 'Fire': t.Number}) | |
| const result = action => t.match(action, | |
| Actions.Up, x => x, | |
| Actions.Down, y => 'downer', | |
| t.Any, x => 'boom' | |
| ) | |
| log(result('Down')) |
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| { | |
| "name": "esnextbin-sketch", | |
| "version": "0.0.0", | |
| "dependencies": { | |
| "tcomb": "3.2.14", | |
| "union-type": "0.3.2", | |
| "babel-runtime": "6.11.6" | |
| } | |
| } |
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| 'use strict'; | |
| var _keys = require('babel-runtime/core-js/object/keys'); | |
| var _keys2 = _interopRequireDefault(_keys); | |
| var _tcomb = require('tcomb'); | |
| var _tcomb2 = _interopRequireDefault(_tcomb); | |
| var _unionType = require('union-type'); | |
| var _unionType2 = _interopRequireDefault(_unionType); | |
| function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } | |
| console.clear(); | |
| var log = console.log.bind(console); | |
| var tType = function tType(obj) { | |
| return (0, _keys2.default)(obj).reduce(function (o, key) { | |
| return o[key] = _tcomb2.default.subtype(obj[key], function (x) { | |
| return obj[key](x) === x; | |
| }, key), o; | |
| }, {}); | |
| }; | |
| var Actions = tType({ 'Up': _tcomb2.default.String, 'Down': _tcomb2.default.Any, 'Fire': _tcomb2.default.Number }); | |
| var result = function result(action) { | |
| return _tcomb2.default.match(action, Actions.Up, function (x) { | |
| return x; | |
| }, Actions.Down, function (y) { | |
| return 'downer'; | |
| }, _tcomb2.default.Any, function (x) { | |
| return 'boom'; | |
| }); | |
| }; | |
| log(result('Down')); |
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