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 @saeonny/lotide
Require it:
const _ = require('@saeonny/lotide');
Call it:
const results = _.tail([1, 2, 3]) // => [2, 3]
Documentation
The following functions are currently implemented:
-
head(array)
: returns the first item in the array. If the array is empty then retun undefined. -
tail(array)
: returns the "tail" of an array: everything except for the first item (head) of the provided array. -
middle(array)
: return middle item(s) as array of given array. -
without(array, remove)
: return a subset of a given array, removing unwanted elements. -
countOnly(allItems, itemsToCount)
: will be given an array and an object. It will return an object containing counts of everything that the input object listed. -
countLetters(string)
: return a count of each of the letters in given string. -
letterPositions(sentence)
: return all the indices (zero-based positions) in the string where each character is found. -
findKeyByValue(object, value)
: return a key on an object where its value matches a given value. -
map(array, callback)
: return a new array based on the results of the callback function. -
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. -
findKey(object, callback)
: return the first key for which the callback returns a truthy value.