Created
May 26, 2017 09:24
-
-
Save adilbenmoussa/dfd5c55a9cd5b33bf2e0fabfa0e720fc to your computer and use it in GitHub Desktop.
JS Bin // source https://jsbin.com/bobitif
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> | |
<meta charset="utf-8"> | |
<meta name="viewport" content="width=device-width"> | |
<script src="https://unpkg.com/expect/umd/expect.min.js"></script> | |
<script src="https://cdnjs.cloudflare.com/ajax/libs/redux/3.6.0/redux.js"></script> | |
<script src="https://cdnjs.cloudflare.com/ajax/libs/freezer-js/0.12.1/freezer.js"></script> | |
<script src="https://fb.me/react-15.1.0.js"></script> | |
<script src="https://fb.me/react-dom-15.1.0.js"></script> | |
<title>JS Bin</title> | |
</head> | |
<body> | |
<div id="root"></div> | |
<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 [].concat(_toConsumableArray(list), [0]); | |
// return list.concat([0]); | |
}; | |
var removeCounter = function removeCounter(list, index) { | |
return [].concat(_toConsumableArray(list.slice(0, index)), _toConsumableArray(list.slice(index + 1))); | |
// return list | |
// .slice(0, index) | |
// .concat(list.slice(index+ 1)) | |
}; | |
var incrementCounter = function incrementCounter(list, index) { | |
return [].concat(_toConsumableArray(list.slice(0, index)), [list[index] + 1], _toConsumableArray(list.slice(index + 1))); | |
// return list | |
// .slice(0, index) | |
// .concat([list[index]+1]) | |
// .concat(list.slice(index + 1)); | |
}; | |
var decrementCounter = function decrementCounter(list, index) { | |
return [].concat(_toConsumableArray(list.slice(0, index)), [list[index] - 1], _toConsumableArray(list.slice(index + 1))); | |
}; | |
var testAddCounter = function testAddCounter() { | |
var listBefore = []; | |
var listAfter = [0]; | |
Object.freeze(listBefore); | |
expect(addCounter(listBefore)).toEqual(listAfter); | |
}; | |
var testRemoveCounter = function testRemoveCounter() { | |
var listBefore = [0, 10, 20]; | |
var listAfter = [0, 20]; | |
Object.freeze(listBefore); | |
expect(removeCounter(listBefore, 1)).toEqual(listAfter); | |
}; | |
var testIncrementCounter = function testIncrementCounter() { | |
var listBefore = [0, 10, 20]; | |
var listAfter = [0, 11, 20]; | |
Object.freeze(listBefore); | |
expect(incrementCounter(listBefore, 1)).toEqual(listAfter); | |
}; | |
var testDecrementCounter = function testDecrementCounter() { | |
var listBefore = [0, 10, 20]; | |
var listAfter = [0, 9, 20]; | |
Object.freeze(listBefore); | |
expect(decrementCounter(listBefore, 1)).toEqual(listAfter); | |
}; | |
testAddCounter(); | |
testRemoveCounter(); | |
testIncrementCounter(); | |
testDecrementCounter(); | |
console.log('Tests Ok!'); | |
</script> | |
<script id="jsbin-source-javascript" type="text/javascript"> | |
const addCounter = (list) => { | |
return [...list, 0]; | |
// return list.concat([0]); | |
}; | |
const removeCounter = (list, index) => { | |
return [ | |
...list.slice(0, index), | |
...list.slice(index +1) | |
]; | |
// return list | |
// .slice(0, index) | |
// .concat(list.slice(index+ 1)) | |
}; | |
const incrementCounter = (list, index) => { | |
return [ | |
...list.slice(0, index), | |
list[index]+1, | |
...list.slice(index + 1) | |
]; | |
// return list | |
// .slice(0, index) | |
// .concat([list[index]+1]) | |
// .concat(list.slice(index + 1)); | |
}; | |
const decrementCounter = (list, index) => { | |
return [ | |
...list.slice(0, index), | |
list[index] - 1, | |
...list.slice(index + 1) | |
]; | |
}; | |
const testAddCounter = () => { | |
const listBefore = []; | |
const listAfter = [0]; | |
Object.freeze(listBefore); | |
expect( | |
addCounter(listBefore) | |
).toEqual(listAfter); | |
}; | |
const testRemoveCounter = () => { | |
const listBefore = [0, 10, 20]; | |
const listAfter = [0, 20]; | |
Object.freeze(listBefore); | |
expect( | |
removeCounter(listBefore, 1) | |
).toEqual(listAfter); | |
}; | |
const testIncrementCounter = () => { | |
const listBefore = [0, 10, 20]; | |
const listAfter = [0, 11, 20]; | |
Object.freeze(listBefore); | |
expect( | |
incrementCounter(listBefore, 1) | |
).toEqual(listAfter); | |
}; | |
const testDecrementCounter = () => { | |
const listBefore = [0, 10, 20]; | |
const listAfter = [0, 9, 20]; | |
Object.freeze(listBefore); | |
expect( | |
decrementCounter(listBefore, 1) | |
).toEqual(listAfter); | |
}; | |
testAddCounter(); | |
testRemoveCounter(); | |
testIncrementCounter(); | |
testDecrementCounter(); | |
console.log('Tests Ok!') | |
</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 [].concat(_toConsumableArray(list), [0]); | |
// return list.concat([0]); | |
}; | |
var removeCounter = function removeCounter(list, index) { | |
return [].concat(_toConsumableArray(list.slice(0, index)), _toConsumableArray(list.slice(index + 1))); | |
// return list | |
// .slice(0, index) | |
// .concat(list.slice(index+ 1)) | |
}; | |
var incrementCounter = function incrementCounter(list, index) { | |
return [].concat(_toConsumableArray(list.slice(0, index)), [list[index] + 1], _toConsumableArray(list.slice(index + 1))); | |
// return list | |
// .slice(0, index) | |
// .concat([list[index]+1]) | |
// .concat(list.slice(index + 1)); | |
}; | |
var decrementCounter = function decrementCounter(list, index) { | |
return [].concat(_toConsumableArray(list.slice(0, index)), [list[index] - 1], _toConsumableArray(list.slice(index + 1))); | |
}; | |
var testAddCounter = function testAddCounter() { | |
var listBefore = []; | |
var listAfter = [0]; | |
Object.freeze(listBefore); | |
expect(addCounter(listBefore)).toEqual(listAfter); | |
}; | |
var testRemoveCounter = function testRemoveCounter() { | |
var listBefore = [0, 10, 20]; | |
var listAfter = [0, 20]; | |
Object.freeze(listBefore); | |
expect(removeCounter(listBefore, 1)).toEqual(listAfter); | |
}; | |
var testIncrementCounter = function testIncrementCounter() { | |
var listBefore = [0, 10, 20]; | |
var listAfter = [0, 11, 20]; | |
Object.freeze(listBefore); | |
expect(incrementCounter(listBefore, 1)).toEqual(listAfter); | |
}; | |
var testDecrementCounter = function testDecrementCounter() { | |
var listBefore = [0, 10, 20]; | |
var listAfter = [0, 9, 20]; | |
Object.freeze(listBefore); | |
expect(decrementCounter(listBefore, 1)).toEqual(listAfter); | |
}; | |
testAddCounter(); | |
testRemoveCounter(); | |
testIncrementCounter(); | |
testDecrementCounter(); | |
console.log('Tests Ok!'); |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment