// ABOUTME: Handler for the delete_tiddler MCP tool
// ABOUTME: Deletes tiddlers with preview of what will be deleted
import { getTiddler, deleteTiddler } from '../tiddlywiki-http.js';
import type { ToolResult } from './types.js';
import { DeleteTiddlerInput } from './types.js';
import { formatTiddlerPreview } from './create-tiddler.js';
/**
* Handle delete_tiddler tool requests.
* Shows a preview of the tiddler content before deletion.
*/
export async function handleDeleteTiddler(args: unknown): Promise<ToolResult> {
const input = DeleteTiddlerInput.parse(args);
// Get current tiddler to show what will be deleted
const current = await getTiddler(input.title);
if (!current) {
return {
content: [
{
type: 'text',
text: JSON.stringify({ error: `Tiddler not found: ${input.title}` }, null, 2),
},
],
isError: true,
};
}
// Generate preview of what will be deleted
const preview = formatTiddlerPreview(current);
// Delete the tiddler
await deleteTiddler(input.title);
return {
content: [
{
type: 'text',
text: `## Deleted: "${input.title}"\n\n${preview}`,
},
],
};
}
// Re-export the input schema for use in tool registration
export { DeleteTiddlerInput };
