Lotide

A mini clone of the Lodash library.

Purpose

BEWARE: This library was published for learning purposes. It is not intended for use in production-grade software.

This project was created and published by me as part of my learnings at Lighthouse Labs.

Usage

Install it:

npm install @mooglekupo/lotide

Require it:

const _ = require('@mooglekupo/lotide');

Call it:

const results = _.tail([1, 2, 3]) // => [2, 3]

Documentation

The following functions are currently implemented:

function assertArraysEqual(actual, expected) : Checks if two arrays are equal

function assertEqual(actual, expected) : Compare two values and print out a message indicating if they are equal

function assertObjectsEqual (actual, expected) : Compares two object and checks if they are equal

function countLetters(sentence) : Counts the number of letters in a sentence

function countOnly(allItems, itemsToCount) : Counts the number of times a specified item appears in an array

function eqArray(numbers1, numbers2) : Checks if two arrays are the same length

function eqObjects(object1, object2) : Checks if two objects have the same keys with the same values

function findKey(object, callback) : Searches for a key in an object based on a specified condition. It takes in an object and a callback function as parameters and returns the key that satisfies the condition, or undefined if no such key is found.

function findKeyByValue(obj, val) : Searches for a key in an object based on a specified value. It takes in an object and a value as parameters and returns the key that corresponds to the value, or undefined if no such key is found.

function flatten(arr) : Takes an array that has arrays as values and morphs it in to one array with multiple values

function head = function(arr) : Takes an array as a parameter and returns the value of index[0]

function letterPositions(sentence) : Takes a sentence string and tells you the index of each letter

function map(array, cb) : Higher-order function that applies a callback function (cb) to each element in an array and outputs the transformed array results

function middle(arr) : Takes an array and finds the middle value of the array. Output will have be a one value array if the length is odd or two values if the array length is even

function tail(arr) : Takes an array, Creates a new array with all of the values except the first index of initial array

function takeUntil(array, callback) : collects elements from the beginning of an array until a specified condition is met. It returns a new array containing the collected elements. It is commonly used to extract a portion of an array based on a condition.

function without(sourceArr, itemsToRemoveArr) : Creates a new array that excludes specific elements from a source array based on the elements in the itemsToRemoveArr. It is commonly used to filter out unwanted elements from an array.