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 @cupokyle/lotide

Require it:

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

Call it:

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

Documentation

The following functions are currently implemented:

• assertEqual(actual, expected): asserts whether two values are identical.
• eqArrays(array1, array2): returns true if two arrays are identical.
• assertArraysEqual(actual, expected): asserts whether two arrays are identical.
• eqObjects(object1, object2): returns true if two objects are identical.
• assertObjectsEqual(actual, expected): asserts whether two objects are identical.
• countLetters(string): takes in a string and outputs an object containing a numeric value for how many times each letter appeared in the string.
• countOnly(array, itemsToCount): takes in an array and an object, and returns an object containing only the count of each array value that held a truthy value in the input object.
• findKey(object, callback): returns the key (as a string) of the first property that satisfies the provided callback function.
• findKeyByValue(object, value): returns the key (as a string) of the first property that's value matches the provided input value.
• flatten(array): returns an array virtually-identical to the input however with no nested arrays and all formerly nested values present.
• head(array): returns the first value in an array.
• middle(array): returns the middle value/values of an array.
• tail(array): returns a new array without the initial value.
• map(array, callback): returns a new array in which the contents have been altered by a callback function.
• letterPositions(string): returns an object that lists the positions that each letter resides in a string.
• takeUntil(array, callback): returns a new array that lists all items of the original array up until the provided callback function is no longer satisfied.
• without(array, itemsToRemove): returns a new array without any value provided in the itemsToRemove argument.