Files
gemini-cli/packages/cli/src/ui/commands/clearCommand.ts

86 lines
2.5 KiB
TypeScript

/**
* @license
* Copyright 2025 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import {
uiTelemetryService,
SessionEndReason,
SessionStartSource,
flushTelemetry,
} from '@google/gemini-cli-core';
import type { SlashCommand } from './types.js';
import { CommandKind } from './types.js';
import { MessageType } from '../types.js';
import { randomUUID } from 'node:crypto';
export const clearCommand: SlashCommand = {
name: 'clear',
description: 'Clear the screen and conversation history',
kind: CommandKind.BUILT_IN,
autoExecute: true,
action: async (context, _args) => {
const geminiClient = context.services.config?.getGeminiClient();
const config = context.services.config;
const chatRecordingService = context.services.config
?.getGeminiClient()
?.getChat()
.getChatRecordingService();
// Fire SessionEnd hook before clearing
const hookSystem = config?.getHookSystem();
if (hookSystem) {
await hookSystem.fireSessionEndEvent(SessionEndReason.Clear);
}
if (geminiClient) {
context.ui.setDebugMessage('Clearing terminal and resetting chat.');
// If resetChat fails, the exception will propagate and halt the command,
// which is the correct behavior to signal a failure to the user.
await geminiClient.resetChat();
} else {
context.ui.setDebugMessage('Clearing terminal.');
}
// Reset user steering hints
config?.userHintService.clear();
// Start a new conversation recording with a new session ID
if (config && chatRecordingService) {
const newSessionId = randomUUID();
config.setSessionId(newSessionId);
chatRecordingService.initialize();
}
// Fire SessionStart hook after clearing
let result;
if (hookSystem) {
result = await hookSystem.fireSessionStartEvent(SessionStartSource.Clear);
}
// Give the event loop a chance to process any pending telemetry operations
// This ensures logger.emit() calls have fully propagated to the BatchLogRecordProcessor
await new Promise((resolve) => setImmediate(resolve));
// Flush telemetry to ensure hooks are written to disk immediately
// This is critical for tests and environments with I/O latency
if (config) {
await flushTelemetry(config);
}
uiTelemetryService.setLastPromptTokenCount(0);
context.ui.clear();
if (result?.systemMessage) {
context.ui.addItem(
{
type: MessageType.INFO,
text: result.systemMessage,
},
Date.now(),
);
}
},
};