@jbello/lotide v1.1.0

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 @jbello/lotide

Require it:

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

Call it:

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

Documentation

The following functions are currently implemented:

• assertEqual(value1, value2): Returns true if value1 and value2 are equal, and false otherwise.
• assertEqualTemplate(value1, value2): Returns an updated version of assertEqual that uses template literals.
• head(array): Returns the first element of the array.
• tail(array): Returns a new array with all elements of array except the first one.
• eqArrays(array1, array2): Returns true if array1 and array2 are equal, and false otherwise.
• assertArraysEqual(array1, array2): Prints an appropriate message after comparing the two arrays.
• without(source, itemsToRemove): Returns a new array containing only the items from source that are not in the itemsToRemove array.
• flatten(array): Returns a new array that is a flattened version of the input array.
• middle(array): Returns the middle element of the input array.
• countOnly(allItems, itemsToCount): Returns a new object with counts of specific items in the allItems collection.
• countLetters(sentence): Returns a count of each letter in the input sentence.
• letterPositions(string): Returns an object with indices of each letter position in the input string.
• findKeyByValue(object, value): Returns the first key in the input object that corresponds to the provided value.
• eqObjects(object1, object2): Returns true if object1 and object2 are equal, and false otherwise.
• assertObjectsEqual(object1, object2): Returns true if object1 and object2 are equal objects, and false otherwise.
• map(array, callback): Returns a new array based on the results of the callback function applied to each item in the input array.
• takeUntil(array, callback): Returns a slice of the input array until the callback function returns a truthy value.
• findKey(object, callback): Returns the first key in the input object that meets the criteria specified by the callback function.