CMPT315A2

Understanding JavaScript and Creating your own NPM Library

Purpose

Develop a basic JavaScript library similar to Lodash that provides functions to manipulate arrays and objects.

Usage

Install it:

npm install @crimsx/cmpt315a2

Require it:

const _ = require('@crimsx/cmpt315a2');

Call it:

const _ = _.findNaNIndex()

Documentation

The following functions are currently implemented:

• findNaNIndex(arr): Find all the indexes where NaN is found in a given array of numbers and NaN.
• isArrayFactorChain(arr): Return true or false if an array is a factor chain or not.
• countNumberOfArrays(arr): Return the count for the number of arrays inside a given array.
• participants(matches): Returns an array of all the player names (no player should be listed more than once).
• winnersObject(matches): Returns an object which lists each participant, and a list of who they've beaten.
• biggestLoser(matches): Returns the loser name with the biggest tally of loser_points. If a player is the winner, the loser_points are subtracted, and if a player is a loser, then the loser_points are added. Find the player with the largest tally of loser_points.