gif generator

gif_generator.js

const GifEncoder = require('gifencoder')
const pngFileStream = require('png-file-stream')
const fs = require('fs')
const chalk = require('chalk')
const config = require('./config')

const baseDir = 'e2e/screenshots/'
const dirs = fs.readdirSync(baseDir)
const promises = []
dirs.forEach(async (dir) => {
  const pathDir = baseDir + dir
  if (!fs.statSync(pathDir).isDirectory()) return
  promises.push(generator(pathDir, dir))
})

Promise.race(promises)

function generator(pathDir, dir) {
  return new Promise((resolve) => {
    const encoder = new GifEncoder(1920, 1080)
    console.log(chalk.yellow('start: ', dir))
    pngFileStream(pathDir + '/*.png')
      .pipe(encoder.createWriteStream(config.gif.encode))
      .pipe(fs.createWriteStream(baseDir + dir + '.gif'))
      .on('error', (err) => console.log(chalk.red(err)))
      .on('finish', () => console.log(chalk.green('finish: ', dir)) || resolve())
  })
}