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#!/usr/bin/env node

const path = require('path')

const walk = require('walk-sync')

const imageSize = require('image-size')

const { chain } = require('lodash')

const imagesPath = path.join(__dirname, '../assets/images')

const imagesExtensions = ['.jpg', '.jpeg', '.png', '.gif']

// [start-readme]

// This script lists all local image files, sorted by their dimensions.

// [end-readme]

const images = chain(walk(imagesPath, { directories: false }))

.filter(relativePath => {

return imagesExtensions.includes(path.extname(relativePath.toLowerCase()))

})

.map(relativePath => {

const fullPath = path.join(imagesPath, relativePath)

const { width, height } = imageSize(fullPath)

const size = width * height

return { relativePath, width, height, size }

})

.orderBy('size', 'desc')

.value()

images.forEach(image => {

const { relativePath, width, height } = image

console.log(`${width} x ${height} - ${relativePath}`)

})