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arc-array

v5.0.0

Published

An array convenience subclass

Downloads

6,785

Readme

arc-array Build Status

An array convenience subclass for javascript.

Install

$ npm install arc-array --save

Features

  • callback based join
  • native convenience binding (if desired)
  • extends native array so should be compatible

API

static ArcArray.wrap(array:Array)

Accept an array, and if it is already an ArcArray return the same object, otherwise create a new ArcArray utilizing the passed in array

new ArcArray(...args)

Create a new ArcArray object. Requires new

.shuffle()

Shuffles an array in place.

.rand()

Returns a random element from the array

async .pMap(async callable)

Iterates over an array like a map, but treating each callable as async, awaits for all to resolve like a Promise.all


const someArray = ArcArray.wrap([1,2,3]);
const someResolvedResponse = await someArray.pMap(async (val) => { 
    const response = await someRemoteCall(val);
    return response;
})

.joinCallback(callback:Function [, separator:String])

Create a string based on the returned values from a callback on each index of an array.

callback is a function that receives each value of the array, and is expected to return a value that will be used to create the joined string.

//Example of joinCallback
const items = new ArcArray('item1','item2','item3');
const string = items.joinCallback(function(_val){
    return '<li>'+_val+'</li>'
},'');

//String returned is: <li>item1</li><li>item2</li><li>item3</li>

Testing

npm test