Function addStackblitz

site/js/common/common.ts:109–162

()

  });

export const addStackblitz = () => {
  const iframe = queryElement(getArticle(), ':scope iframe');
  const iframeParent = iframe?.parentElement;
  if (iframe == null || iframeParent == null) {
    return;
  }
  const form = iframeParent.insertBefore(
    createElement('form', null, {
      action: 'https://stackblitz.com/run',
      method: 'post',
      target: '_blank',
    }),
    iframe,
  ) as HTMLFormElement;
  iframeParent.insertBefore(
    createElement('a', null, {id: 'sbEdit'}, 'Open this demo in StackBlitz'),
    iframe,
  ).onclick = () => {
    if (form.childNodes.length == 0) {
      fetch('stackblitz.json')
        .then((response) => response.json())
        .then((project: ExecutableProject) => {
          addHiddenInput(form, '[title]', project.title);
          addHiddenInput(form, '[description]', project.description);
          addHiddenInput(form, '[template]', project.template);
          Object.entries(project.files).forEach(([filePath, contents]) =>
            addHiddenInput(form, `[files][${filePath}]`, contents),
          );
          if (project.settings != null) {
            addHiddenInput(
              form,
              '[settings]',
              JSON.stringify(project.settings),
            );
          }
          if (project.dependencies != null) {
            addHiddenInput(
              form,
              '[dependencies]',
              JSON.stringify(project.dependencies),
            );
          }
          const action = new URL(form.action);
          Object.entries(project.options ?? {}).forEach(([option, value]) =>
            action.searchParams.set(option, value),
          );
          form.action = action.toString();
          form.submit();
        });
    } else {
      form.submit();
    }
  };
};

const updateNav = (
  {