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 @ahana15/lotide
Require it:
const _ = require('@ahana15/lotide');
Call it:
const results = _.tail([1, 2, 3]) // => [2, 3]
Documentation
The following functions are currently implemented:
-
head(...)
: returns the first item in the array -
middle(...)
: take in an array and return the middle-most element(s) of the given array -
tail(...)
: returns everything except for the first item (head) of the provided array -
countOnly(...)
: given an array and an object, it will return an object containing counts of everything that the input object listed. -
countLetters(...)
: return an object where each unique character encountered is a property of the object and the value for that property/key should be the number of occurrences for that character. -
findKey(...)
: takes in an object and a callback. It should scan the object and return the first key for which the callback returns a truthy value. If no key is found, then it should return undefined. -
findKeyByValue(...)
:which takes in an object and a value. It should scan the object and return the first key which contains the given value. If no key with that given value is found, then it should return undefined. -
flatten(...)
: take in an array of arrays and return a "flattened" version of the array. -
letterPositions(...)
: takes in a string and returns an object with unique letters and the index position of the letter occurences. -
map(...)
: map function will take in two arguments:An array to map and a callback function. The map function will return a new array based on the results of the callback function. -
takeUntil(...)
: this will keep collecting items from a provided array until the callback provided returns a truthy value. -
without(...)
: return a subset of a given array, removing unwanted elements