pishposh/src/core/Plugin.js

Visual Programming Language

export class Plugin {

  eventDispatch(...argv){
    // console.info('eventDispatch', ...argv);
    this.app.emit(...argv);
  }

  listenTo(element, event, callback, options = false) {
    element.addEventListener(event, callback, options);
    const unsubscribe = () => element.removeEventListener(event, callback, options);
    this.subscriptions.add(unsubscribe);
  }

  linkStyleSheet(url) {

    const link = document.createElement('link');
    link.rel = 'stylesheet';
    link.href = url;
    document.head.appendChild(link);
  }

  loadStyleSheet(url) {

    fetch(url)
      .then(response => {
        if (!response.ok) throw new Error(`Failed to load CSS: ${response.statusText}`);
        return response.text();
      })
      .then(cssText => {
        const style = document.createElement('style');
        style.textContent = cssText;
        document.head.appendChild(style);
      })
      .catch(error => {
        console.error('Error loading stylesheet:', error);
      });
  }

}