let fontModel = {
  src: "",
  srcResources: [],
  mapped: {
    fontFamily: "",
    fontWeight: "",
    fontStyle: "",
    fontDisplay: "",
    unicodeRange: "",
    fontStretch: "",
    fontVariant: "",
    fontFeatureSettings: "",
    fontVariationSettings: ""
  },
  disabled: "",
  index: 0
};