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 @vyshudoulagar/lotide
Require it:
const _ = require('@vyshudoulagar/lotide');
Call it:
const results = _.tail([1, 2, 3]) // => [2, 3]
Documentation
The following functions are currently implemented:
-
head(array): takes array as an argument, returns first element of given array -
tail(array): takes array as an argument, returns all elements except first element of given array -
middle(array): takes array as an argument, returns middle element/elements of given array -
assertArraysEqual(actual, expected): takes 2 arrays as arguments, asserts if the given arrays are equal -
assertEqual(actual, expected): takes 2 primitive values as arguments, asserts if the given values are equal -
assertObjectsEqual(actual, expected): takes 2 objects as arguments, asserts if the given objects are equal -
countLetters(sentence): takes sentence as an argument, returns an object which tells the number of occurences of each letter in a given sentence -
countOnly(allItems, itemsToCount): takes array and object as arguments, returns an object which tells the number of occurences of elements given in the object(itemsToCount) in the given array(allItems) -
eqArrays(actual, expected): takes 2 arrays as arguments, checks if the given arrays are equal -
eqObjects(actual, expected): takes 2 objects as arguments, checks if the given two objects are equal -
findKey(object, callback): takes object and function as arguments, returns the key of object for which the callback function is true -
findKeyByValue(object, value): takes object and value as arguments, return the key of object if the value of that key is equal the given value -
flatten(array): takes in an array containing elements including nested arrays of elements, and returns a "flattened" version of the array -
letterPositions(sentence): returns all the indices (zero-based positions) in the string where each character is found -
map(array, callback): takes in two arguments:An array to map, A callback function, it returns a new array based on the results of the callback function. -
takeUntil(array, callback): takes array to work with and a callback as arguments, returns a "slice of the array with elements taken from the beginning." It keeps going until the callback/predicate returns a truthy value. -
without(array1, array2): takes in 2 arrays, main array and an array of unwanted elements, returns a subset of a given array, removing unwanted elements