-
-
Save ragmha/c257c543f704e736a2300b6942799d65 to your computer and use it in GitHub Desktop.
Learning redux part-5
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/modernizr/2.6.2/modernizr.min.js"></script> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/detectizr/1.5.0/detectizr.min.js"></script> | |
| <meta charset="utf-8"> | |
| <title>JS Bin</title> | |
| <script src="https://wzrd.in/standalone/expect@latest"></script> | |
| <script src="https://wzrd.in/standalone/deep-freeze@latest"></script> | |
| </head> | |
| <body> | |
| <script id="jsbin-javascript"> | |
| 'use strict'; | |
| function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) arr2[i] = arr[i]; return arr2; } else { return Array.from(arr); } } | |
| var addCounter = function addCounter(list) { | |
| //return list.concat([0]); | |
| return [].concat(_toConsumableArray(list), [0]); | |
| }; | |
| var removeCounter = function removeCounter(list, index) { | |
| // list.splice(index,1); | |
| // return list; | |
| // return list | |
| // .slice(0,index) | |
| // .concat(list.slice(index + 1)); | |
| return [].concat(_toConsumableArray(list.slice(0, index)), _toConsumableArray(list.slice(index + 1))); | |
| }; | |
| var incrementCounter = function incrementCounter(list, index) { | |
| // list[index]++; | |
| // return list; | |
| // return list | |
| // .slice(0,index) | |
| // .concat([list[index] + 1]) | |
| // .concat(list.slice(index+1)); | |
| return [].concat(_toConsumableArray(list.slice(0, index)), [list[index] + 1], _toConsumableArray(list.slice(index + 1))); | |
| }; | |
| var testAddCounter = function testAddCounter() { | |
| var listBefore = []; | |
| var listAfter = [0]; | |
| deepFreeze(listBefore); | |
| expect(addCounter(listBefore)).toEqual(listAfter); | |
| }; | |
| var testRemoveCounter = function testRemoveCounter() { | |
| var listBefore = [0, 10, 20]; | |
| var listAfter = [0, 20]; | |
| deepFreeze(listBefore); | |
| expect(removeCounter(listBefore, 1)).toEqual(listAfter); | |
| }; | |
| var testIncrementCounter = function testIncrementCounter() { | |
| var listBefore = [0, 10, 20]; | |
| var listAfter = [0, 11, 20]; | |
| deepFreeze(listBefore); | |
| expect(incrementCounter(listBefore, 1)).toEqual(listAfter); | |
| }; | |
| testAddCounter(); | |
| testRemoveCounter(); | |
| testIncrementCounter(); | |
| console.log('All tests passed.'); | |
| </script> | |
| <script id="jsbin-source-javascript" type="text/javascript">const addCounter = (list) => { | |
| //return list.concat([0]); | |
| return [...list, 0]; | |
| }; | |
| const removeCounter = (list, index) => { | |
| // list.splice(index,1); | |
| // return list; | |
| // return list | |
| // .slice(0,index) | |
| // .concat(list.slice(index + 1)); | |
| return [...list.slice(0,index), | |
| ...list.slice(index+1) | |
| ]; | |
| }; | |
| const incrementCounter = (list, index) => { | |
| // list[index]++; | |
| // return list; | |
| // return list | |
| // .slice(0,index) | |
| // .concat([list[index] + 1]) | |
| // .concat(list.slice(index+1)); | |
| return [...list.slice(0, index), | |
| list[index] + 1, | |
| ...list.slice(index+1) | |
| ]; | |
| }; | |
| const testAddCounter = () => { | |
| const listBefore = []; | |
| const listAfter = [0]; | |
| deepFreeze(listBefore); | |
| expect( | |
| addCounter(listBefore) | |
| ).toEqual(listAfter); | |
| }; | |
| const testRemoveCounter = () => { | |
| const listBefore = [0,10,20]; | |
| const listAfter = [0,20]; | |
| deepFreeze(listBefore); | |
| expect( | |
| removeCounter(listBefore,1) | |
| ).toEqual(listAfter); | |
| }; | |
| const testIncrementCounter = () => { | |
| const listBefore = [0,10,20]; | |
| const listAfter = [0,11,20]; | |
| deepFreeze(listBefore); | |
| expect( | |
| incrementCounter(listBefore,1) | |
| ).toEqual(listAfter); | |
| }; | |
| testAddCounter(); | |
| testRemoveCounter(); | |
| testIncrementCounter(); | |
| console.log('All tests passed.');</script></body> | |
| </html> |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| 'use strict'; | |
| function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) arr2[i] = arr[i]; return arr2; } else { return Array.from(arr); } } | |
| var addCounter = function addCounter(list) { | |
| //return list.concat([0]); | |
| return [].concat(_toConsumableArray(list), [0]); | |
| }; | |
| var removeCounter = function removeCounter(list, index) { | |
| // list.splice(index,1); | |
| // return list; | |
| // return list | |
| // .slice(0,index) | |
| // .concat(list.slice(index + 1)); | |
| return [].concat(_toConsumableArray(list.slice(0, index)), _toConsumableArray(list.slice(index + 1))); | |
| }; | |
| var incrementCounter = function incrementCounter(list, index) { | |
| // list[index]++; | |
| // return list; | |
| // return list | |
| // .slice(0,index) | |
| // .concat([list[index] + 1]) | |
| // .concat(list.slice(index+1)); | |
| return [].concat(_toConsumableArray(list.slice(0, index)), [list[index] + 1], _toConsumableArray(list.slice(index + 1))); | |
| }; | |
| var testAddCounter = function testAddCounter() { | |
| var listBefore = []; | |
| var listAfter = [0]; | |
| deepFreeze(listBefore); | |
| expect(addCounter(listBefore)).toEqual(listAfter); | |
| }; | |
| var testRemoveCounter = function testRemoveCounter() { | |
| var listBefore = [0, 10, 20]; | |
| var listAfter = [0, 20]; | |
| deepFreeze(listBefore); | |
| expect(removeCounter(listBefore, 1)).toEqual(listAfter); | |
| }; | |
| var testIncrementCounter = function testIncrementCounter() { | |
| var listBefore = [0, 10, 20]; | |
| var listAfter = [0, 11, 20]; | |
| deepFreeze(listBefore); | |
| expect(incrementCounter(listBefore, 1)).toEqual(listAfter); | |
| }; | |
| testAddCounter(); | |
| testRemoveCounter(); | |
| testIncrementCounter(); | |
| console.log('All tests passed.'); |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment