Calendário do Discourse (e Evento)

Se você deseja exibir o botão “Criar evento” diretamente do composer, como abaixo, use o código a seguir no cabeçalho do seu tema. admin > aparência > tema > editar > editar código > head (certifique-se de que esteja entre as tags <head>)

Testado no discourse 3.5.0.beta9-dev no desktop no Firefox

<!-- Botão de Criar Evento Personalizado (Baseado em Ícone, à Prova de Idiomas) -->
<script>
(() => {
  const composerSelector = ".d-editor-button-bar";
  const menuTriggerSelector = ".btn.no-text.fk-d-menu__trigger.toolbar-menu__options-trigger.toolbar__button.options.toolbar-popup-menu-options";
  const menuContentSelector = ".fk-d-menu__inner-content";
  const modalSelector = ".d-modal.fk-d-menu-modal";

  const getCalendarButton = (container) => {
    const svg = container.querySelector('svg use[href="#calendar-day"]');
    return svg ? svg.closest("button") : null;
  };

  const waitForElement = (selector, findFn, timeout = 4000) =>
    new Promise((resolve, reject) => {
      const element = findFn(selector);
      if (element) return resolve(element);

      const observer = new MutationObserver(() => {
        const foundElement = findFn(selector);
        if (foundElement) {
          observer.disconnect();
          resolve(foundElement);
        }
      });
      observer.observe(document.body, { childList: true, subtree: true });
      setTimeout(() => {
        observer.disconnect();
        reject();
      }, timeout);
    });

  const waitForModal = (timeout = 4000) => {
    const observer = new MutationObserver(() => {
      if (document.querySelector(modalSelector)) {
        observer.disconnect();
      }
    });
    observer.observe(document.body, { childList: true, subtree: true });
    setTimeout(() => observer.disconnect(), timeout);
  };

  const addCustomCreateEventButton = (container) => {
    if (container.querySelector(".custom-create-event-btn")) return;

    const button = document.createElement("button");
    button.className = "btn no-text btn-icon toolbar__button link custom-create-event-btn";
    button.title = "Create event";
    button.innerHTML = `<svg class="fa d-icon d-icon-calendar-day svg-icon"><use href="#calendar-day"></use></svg>`;
    container.appendChild(button);

    button.addEventListener("click", async () => {
      const trigger = document.querySelector(menuTriggerSelector);
      if (!trigger) return;

      trigger.click();

      let menuContent = document.querySelector(menuContentSelector);
      if (!menuContent) {
        await new Promise((resolve, reject) => {
          const c = new MutationObserver(() => {
            menuContent = document.querySelector(menuContentSelector);
            if (menuContent) {
              c.disconnect();
              resolve();
            }
          });
          c.observe(document.body, { childList: true, subtree: true });
          setTimeout(() => {
            c.disconnect();
            reject();
          }, 2000);
        });
      }

      try {
        (await waitForElement(menuContent, getCalendarButton)).click();
        waitForModal();
      } catch {}
    });
  };

  const observer = new MutationObserver(() => {
    const composer = document.querySelector(composerSelector);
    if (composer) {
      addCustomCreateEventButton(composer);
    }
  });
  observer.observe(document.body, { childList: true, subtree: true });

  const initialComposer = document.querySelector(composerSelector);
  if (initialComposer) {
    addCustomCreateEventButton(initialComposer);
  }
})();
</script>