内容简介：A lightweight library containing multiple utility functions to make your life easier when dealing with arrays and objects.
Simplifying JS
A lightweight library containing multiple utility functions to make your life easier when dealing with arrays and objects.
HOW TO USE
Open the terminal and navigate to the root directory of your project.
Install Simplifying:
npm i simplifying
If you do not have npm installed, you can download it here .
EXAMPLE CODE:
const array = require('simplifying');
let arr = [2, 3, 4, 3, 3, 2, 4];
console.log(array.removeDuplicates(arr));
//OUTPUT: [2, 3, 4]
List of all methods on array:
| Method | Parameters | Use |
|---|---|---|
| shuffle | array: Array | Shuffles array and returns it |
| removeDuplicates | array: Array | Removes all duplicate elements and returns a new array |
| pickRandom | array: Array, n: Number, unique?: Boolean |
Returns an array of n random elements from array. The returned elements will be unique if true is passed in the third parameter |
| countItem | array: Array, item: any |
Returns the frequency of the passed item in the array |
| countAll | array: Array | Returns a map which holds the frequencies of all items in the array |
| searchItems | array: Array, item: any |
Returns all positions where the given item is found |
| removeItems | array: Array, item: any |
Deletes multiple occurances of the given item |
| toArray | x: (string, number) | Converts string or number to array of characters or digits |
| merge | array1: Array, array2: Array, type?: string |
Merge two arrays. type == 'merge-all': Keep the duplicates type == 'common': Returns common elements no type: Merge and remove common |
| clean | array: Array | Removes null, undefined, '', NaN |
| flatten | array: Array | Flattens all nested arrays inside |
| swapByPosition | array: Array, pos1: number, pos2: number |
Swaps values in pos1 and pos2 in the array |
| swapByValues | array: Array, value1: any, value2: any |
Swaps value1 and value2 in the array |
| perform | array: Array, operation: string |
Performs the said operation on the array. Allowed Operations: sum, product, min, max, average |
| arrayToObject | array: Array | Converts an array to object |
| slide | array: Array, steps: number, direction?: string |
Shifts array by n steps in the given direction. The default direction is left. |
| range | array: Array, start: number, end: number |
Returns a subarray from start to end - 1 |
List of all methods on array of objects:
| Method | Parameters | Use |
|---|---|---|
| arrayOfObjectsToObject | array: Array, keyField: string |
Converts an array of objects to an object where key is keyField |
| sortByKeyField | array: Array, keyField: string, order?: string |
Sorts an array of objects based on keyField. Default sorting order is ascending. Pass 'desc' to order for reverse. |
| getFields | array: Array, fields: Array |
Returns an array of objects containing only the required fields |
| getOneField | array: Array, field: string |
Returns an array of all the values of the particular field |
| searchByKeyField | array: Array, searchField: string, searchValue: string, reqFields?: Array |
Searches the array for the given (key, value) pair and returns only the reqFields. If nothing is passed, the whole object is returned. |
| deleteByKeyField | array: Array, field: string, value: string |
Deletes an item based on the (key, value) pair |
| getKeys | array: Array | Returns an array of all the keys inside the object. Assumes that all objects have the same keys |
| findObjects | array: Array, func: Function |
Executes the function on all objects and returns the satisfied objects |
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持 码农网
猜你喜欢:
本站部分资源来源于网络，本站转载出于传递更多信息之目的，版权归原作者或者来源机构所有，如转载稿涉及版权问题，请联系我们。
Egret——HTML5游戏开发指南
张鑫磊 等 / 电子工业出版社 / 2016-3 / 85
《Egret——HTML5游戏开发指南》由浅入深，在讲解游戏开发基础的同时提供众多实战案例供读者学习。《Egret——HTML5游戏开发指南》章节内容包含Egret基础概念及基础图形图像处理方法、网络相关操作、移动设备适配、性能优化、文本动画相关知识、调试技巧、DragonBones骨骼动画系统和P2物理引擎等。通过《Egret——HTML5游戏开发指南》，读者可以了解并掌握HTML5游戏开发技能......一起来看看 《Egret——HTML5游戏开发指南》 这本书的介绍吧!
