image-size/bin/image-size.js

#!/usr/bin/env node
'use strict'

const fs = require('fs')
const path = require('path')
const { imageSize } = require('..')

const files = process.argv.slice(2)

if (!files.length) {
  console.error('Usage: image-size image1 [image2] [image3] ...')
  process.exit(-1)
}

const red = ['\x1B[31m', '\x1B[39m']
// const bold = ['\x1B[1m',  '\x1B[22m']
const grey = ['\x1B[90m', '\x1B[39m']
const green = ['\x1B[32m', '\x1B[39m']

function colorize(text, color) {
  return color[0] + text + color[1]
}

files.forEach(function (image) {
  try {
    if (fs.existsSync(path.resolve(image))) {
      const greyX = colorize('x', grey)
      const greyImage = colorize(image, grey)
      const size = imageSize(image)
      const sizes = size.images || [size]
      sizes.forEach(size => {
        let greyType = ''
        if (size.type) {
          greyType = colorize(' (' + size.type + ')', grey)
        }
        console.info(
          colorize(size.width, green) + greyX + colorize(size.height, green)
            + ' - ' + greyImage + greyType
        )
      })
    } else {
      console.error('file doesn\'t exist - ', image)
    }
  } catch (e) {
    // console.error(e.stack)
    console.error(colorize(e.message, red), '-', image)
  }
})