drawDB/src/utils/index.js

import { Validator } from "jsonschema";
import { jsonSchema } from "../schemas";

const enterFullscreen = () => {
  const element = document.documentElement;
  if (element.requestFullscreen) {
    element.requestFullscreen();
  } else if (element.mozRequestFullScreen) {
    element.mozRequestFullScreen();
  } else if (element.webkitRequestFullscreen) {
    element.webkitRequestFullscreen();
  } else if (element.msRequestFullscreen) {
    element.msRequestFullscreen();
  }
};

const exitFullscreen = () => {
  if (document.exitFullscreen) {
    document.exitFullscreen();
  } else if (document.mozCancelFullScreen) {
    document.mozCancelFullScreen();
  } else if (document.webkitExitFullscreen) {
    document.webkitExitFullscreen();
  } else if (document.msExitFullscreen) {
    document.msExitFullscreen();
  }
};

const diagramObjectIsValid = (obj) => {
  return new Validator().validate(obj, jsonSchema).valid;
};

export { enterFullscreen, exitFullscreen, diagramObjectIsValid };