Create a .json file from reading backstop.yml file -- updateConfig.js

Creating a .json file from .yml

/**
 * This script creates a `backstop.json` file from `backstop.yml` and all <label>.yml files included in scenarios directory
 * `backstop.json` is a configuration file that BackstopJS uses to create screenshots of components
 *
 */

const fs = require('fs')
const path = require('path')
const yaml = require('js-yaml')

const backstopJSON = yaml.load(fs.readFileSync(path.resolve('./backstop.yml')))

backstopJSON.scenarios = fs
  .readdirSync(path.resolve('backstop_data', 'scenarios'))
  .filter(file => file.match(/\.yml/i))
  .map(file => yaml.load(fs.readFileSync(path.resolve('backstop_data', 'scenarios', file))))

fs.writeFileSync(path.join('./backstop.json'), JSON.stringify(backstopJSON, null, 2))