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 @cmacdougall12/lotide

Require it:

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

Call it:

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

Documentation

The following functions are currently implemented:

• assertArraysEqual(arr1, arr2): asserts equivalence between two arrays. (arr1, arr2)
• assertObjectsEqual(obj1,obj2): asserts equivalence between two objects. (obj1, obj2)
• assertEqual(x,y): asserts equivalence between two primitive object types. (ie. true, true)
• countLetters(string): determines how many times each letter appears in a given string. Output is an object, with a key for each letter and a value that equals
• countOnly(allItems, itemsToCount): function will take an array of allItems and return a object counting the number of times each key in the given itemToCount object appears.
• eqArrays(arr1,arr2): checks equivalence between two arrays. (arr1, arr2)
• eqObjects(obj1, obj 2):checks equivalence between two objects. (obj1, obj2)
• findKey(obj, callback): scan object and return the first key for which the callback returns true
• findKeyByValue(obj, valueToFind): will return the first key that has the valueToFind contained in given object.
• flatten(array): will flatten a given array with nested array
• head(arrau): will find the head of an array.
• letterPositions(obj, valueToFind):
• map(array, callback): implementation of the built in map function
• middle(array): function will retrieve middle elements of a given array. If length of array is even, output will be an 2 element array . If length of array is odd, output will be 1 element.
• tail(array): finds the tail of an array
• takeUntil(array, callback): will output the given array until the callback function condition is evaluated to true. If the condition is never evaluted to true the given array will be the output.
• without(array, removeElement): will output an array with all elements that equal the removeElement value.