curry.js

"use strict";
// Example 1
let dragon = (name, size, element) =>
	name + ' is a ' +
	size + ' dragon that breathes ' +
	element + '!'
console.log(dragon('fluffykins', 'tiny', 'lightning'))

// Example 2
let dragon =
	name =>
		size =>
			element =>
				name + ' is a ' +
				size + ' dragon that breathes ' +
				element + '!'
console.log(dragon('fluffy')('tiny')('lightning'))

// Example 3
import _ from 'lodash'
let dragon = (name, size, element) =>
	name + ' is a ' +
	size + ' dragon that breathes ' +
	element + '!'
dragon = _.curry(dragon)
let fluffyDragon = dragon('fluffy')
let tinyDragon = fluffyDragon('tiny')
console.log(tinyDragon('lightning'))

// Example 4
let dragons = [
	{name: 'Fluffy', element: 'lightning'},
	{name: 'noomi', element: 'lightning'},
	{name: 'karo', element: 'fire'},
	{name: 'doomer', element: 'timewarp'}
]

let hasElement = (element, obj) => obj.element === element
let lightingDragons = 
	dragons.filter(x => hasElement('lightning', x))

console.log(lightingDragons)

// Example 5
import _ from 'lodash'
let dragons = [
	{name: 'Fluffy', element: 'lightning'},
	{name: 'noomi', element: 'lightning'},
	{name: 'karo', element: 'fire'},
	{name: 'doomer', element: 'timewarp'}
]

let hasElement = _.curry((element, obj) => obj.element === element)
let lightingDragons = 
	dragons.filter(hasElement('lightning'))

console.log(lightingDragons)