babel.config.js

module.exports = api => {
  if (api) api.cache(false)
  const presets = []
  const plugins = [
    [ '@babel/plugin-transform-arrow-functions' ],
    [ '@babel/plugin-transform-block-scoping' ],
    [ '@babel/plugin-transform-classes', { loose: true } ],
    [ '@babel/plugin-transform-computed-properties', { loose: true } ],
    [ '@babel/plugin-transform-destructuring', { loose: true } ],
    [ '@babel/plugin-transform-member-expression-literals' ],
    [ '@babel/plugin-transform-property-literals' ],
    [ '@babel/plugin-transform-parameters', { loose: true } ],
    [ '@babel/plugin-transform-shorthand-properties' ],
    [ '@babel/plugin-transform-spread', { loose: true } ],
    [ '@babel/plugin-transform-template-literals', { loose: true } ],
    [ '@babel/plugin-proposal-object-rest-spread', { loose: true } ],
    [ '@babel/syntax-object-rest-spread' ]
  ]
  return { presets, plugins }
}