@dhaarani/lotide v1.0.1

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 @dhaarani/lotide

Require it:

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

Call it:

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

Documentation

The following functions are currently implemented:

• head(array): returns the first element in the array.
• tail(array): returns the tail of an array except first element(0th index element).
• middle(array): returns an array with only the middle element(s) of the provided array.
• eqArrays(array1,array2): compares two arrays and returns true or false, based on a perfect match.
• assertArraysEqual(array1,array2): compares two arrays and asserts it by returning boolean value.
• assertEqual(value1,value2): compares two primitive values and asserts it by returning boolean value.
• assertObjectsEqual(object1,object2): compares two Objects and asserts it by returning boolean value.
• countLetters(string): returns count of each letter in the given string/sentence as object.
• countOnly(array,object): return an object containing counts of everything that the input object listed.
• eqObjects(object1,object2): compares two objects and returns true or false, based on a perfect match.
• findKey(object,callback): return the first key for which the callback returns a truthy value. If no key is found, then it should return undefined.
• findKeyByValue(object,value): return the first key which contains the given value. If no key with that given value is found, then it should return undefined.
• flatten(nestedArr): returns a flattened single-level array.
• without(sourceArr,itemsToRemoveArr): return a new array with only those elements from source that are not present in the itemsToRemove array.
• takeUntil(array,callback): return a "slice of the array with elements taken from the beginning." It should keep going until the callback/predicate returns a truthy value.
• letterPositions(string): return all the indices (zero-based positions) in the string where each character is found.
• map(array,callback): return a new array based on the results of the callback function.