Method addButton

tests/__mocks__/obsidian.ts:865–882

(callback: (button: any) => void)

  }

  addButton(callback: (button: any) => void): Setting {
    const mockButton = {
      buttonEl: Object.assign(document.createElement('button'), {
        addClasses: function(classes: string[]) { 
          classes.forEach(cls => this.classList.add(cls)); 
        }
      }),
      setButtonText: (text: string) => { mockButton.buttonEl.textContent = text; return mockButton; },
      setTooltip: (text: string) => { mockButton.buttonEl.title = text; return mockButton; },
      setCta: () => mockButton,
      setWarning: () => mockButton,
      onClick: (cb: () => void) => { mockButton.buttonEl.addEventListener('click', cb); return mockButton; },
    };
    // Append to controls so text is visible in DOM for tests
    this.controlEl.appendChild(mockButton.buttonEl);
    callback(mockButton);
    return this;
  }
}

// PluginSettingTab mock class