static create()

in packages/core/browser-vm/src/Context.js [8:32]

• 16 lines of code
• 5 McCabe index (conditional complexity)

  static create(conf) {
    return new Promise((resolve) => {
      const iframe = document.createElement('iframe');

      // TODO: change src to a reasonable value.
      iframe.setAttribute('src', conf.url ? conf.url : '/api.json');
      iframe.style.cssText = 'position: absolute; top: -20000px; width: 1px; height: 1px;';

      if (conf.id) iframe.setAttribute('data-id', conf.id);

      // body will be hijacked in sandbox, so get body from html
      const topBody = document.documentElement?.getElementsByTagName('body')[0] || document.body;

      topBody.appendChild(iframe);

      // the onload will no trigger when src is about:blank
      if (conf.url === 'about:blank') {
        return resolve(new this(conf, iframe));
      }

      iframe.onload = () => {
        resolve(new this(conf, iframe));
      };
    });
  }