@jorla/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 @jorla/lotide

Require it:

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

Call it:

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

Documentation

The following functions are currently implemented:

• assertEqual(actual, expected): Compares two values & prints out a message telling us if they match or not.
• head(array): Returns the first element in an array.
• tail(array): Returns all but the first element in an array.
• eqArrays(arr1, arr2): Compares two arrays. Returns true if perfect match and false if not.
• assertArraysEqual(actual, expected): Compares two arrays & prints out a message telling us if they match or not.
• without(sourceArr, itemsRemArr): Returns new array of items based on a source array minus the items of a second "items to remove" array.
• middle(arr): Returns the middle of an array. If even amount of elements, returns two most middle elements. If odd amount of elements, returns the middlemost element.
• countOnly(allItems, itemsToCount): Takes a group of items and returns a count of specified items.
• countLetters(sentence): Takes a string and counts the occurences of each letter in the string.
• letterPositions(sentence): Takes a string and displays each index at which each letter occurs.
• findKeyByValue(object, value): Scans an object and returns the first key which contains the given value.
• eqObjects(object1, object2): Compares two object and returns true or false based on a perfect match.
• assertObjectsEqual(actual, expected): Compares two objects & prints out a message telling us if they match or not.
• map(array, callback): Takes an array and returns a new one based on a callback function.
• takeUntil(array, callback): Takes an array and returns a slice of it up until, but not including, a callback condition is met/
• findKey(object, callback): Scans an object and returns the first key for which a callback returns a truthy value.