text: export default function (Quill) {
    const Image = Quill.import('formats/image')
    const ATTRIBUTES = [
      'alt',
      'height',
      'width',
      'data-custom',
      'class',
      'data-local'
    ]
    Image.sanitize = url => url
    Image.formats = function formats (domNode) {
      return ATTRIBUTES.reduce(function (formats, attribute) {
        if (domNode.hasAttribute(attribute)) {
          formats[attribute] = domNode.getAttribute(attribute)
        }
        return formats
      }, {})
    }
    const format = Image.prototype.format
    Image.prototype.format = function (name, value) {
      if (ATTRIBUTES.indexOf(name) > -1) {
        if (value) {
          this.domNode.setAttribute(name, value)
        } else {
          this.domNode.removeAttribute(name)
        }
      } else {
        format.call(this, name, value)
      }
    }
  }
  