Fill paths with color

svgo.config.js.js

const renameMaskType = {
  name: 'fillPaths',
  type: 'visitor',
  fn: () => {
    return {
      element: {
        enter: node => {
          if (node.name === 'path') {
            node.attributes.fill = '#fff';
          }
        }
      }
    }
  }
}

module.exports = {
  plugins: [
    'preset-default',
    renameMaskType
  ]
}