@bryanpgomes/lotide v1.0.0

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 @bryanpgomes/lotide

Require it:

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

Call it:

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

Documentation

The following functions are currently implemented:

• assertArraysEqual(array1, array2) : Test result of a function and compare it to the expected about, uses arrays. Also uses eqArray.
• assertEqual(actual, expected) : Test result of a function and compare it to the expected about.
• assertObjectsEqual(actual, expected) : Test two objects to verify if they prove to be real, uses eqObjects.
• countLetters(word) : Provide a word(string) or a sentence and it will tell you how many of each letter exists. e.g. "Hello" {H: [1], e: [1], l: [2], o: [1]}
• countOnly(allItems, itemsToCount) : Provide an array and it will count only the items you wish to count(itemsToCount).
• eqArrays(array1, array2) : Compare two arrays to see if they are truly identical. Compares length, and element positions.
• eqObjects(object1, object2) : Compare two objects to see if they are truly identical. Compares key values, length and object length.
• findKey(object, callback) : Provide the value of an object key through a functions, and it will return the first object key that best suites the function.
• findKeyByValue(object, keyValue) : Provide the value of an object key, and it will return the object key. If no such key will exist, no object will be returned.
• head(array) : Returns an array with only the first index of the original array.
• letterPosition(sentence) : Provide a sentence(string), and it will return an object with all the index positions that letters appears in that setence. e.g. "Hello" {H: [0], e: [1], l: [2, 3], o: [4]}
• map(array, callback) : From an existing array, this will create a new array that is modified from a function.
• middle(array) : Returns the middle element of an arrays. If the array has an even number of elements, it will return the two middle elements.
• tail(array) : Removes the first element of an array and returns a new array with the rest of the elements.
• takeUntil(array, callback) : Returns an slice of an array, starting from the beginning, until the callback point.
• without(originalArray, removeFromArray) : Allows you to filter an array by removing a certain element from an array.