Function render

packages/lit-html/src/test/polyfill-support/lit-html_html-test.ts:427–432

(title: string)

    const el = document.createElement('slot-host');
    wrap(document.body).appendChild(el);
    const render = (title: string) => {
      renderShadowRoot(
        html`<slot name="before"> </slot>${title}<slot name="after"></slot>`,
        el
      );
    };
    render('foo');
    assert.equal(shadowRoot(el)?.textContent, ' foo');
    render('bar');