File size: 3,711 Bytes
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* @license
* Copyright 2025 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import type { PartListUnion } from '@google/genai';
import { parseSlashCommand } from './utils/commands.js';
import {
FatalInputError,
Logger,
uiTelemetryService,
type Config,
} from '@google/gemini-cli-core';
import { CommandService } from './services/CommandService.js';
import { BuiltinCommandLoader } from './services/BuiltinCommandLoader.js';
import { FileCommandLoader } from './services/FileCommandLoader.js';
import { McpPromptLoader } from './services/McpPromptLoader.js';
import type { CommandContext } from './ui/commands/types.js';
import { createNonInteractiveUI } from './ui/noninteractive/nonInteractiveUi.js';
import type { LoadedSettings } from './config/settings.js';
import type { SessionStatsState } from './ui/contexts/SessionContext.js';
/**
* Processes a slash command in a non-interactive environment.
*
* @returns A Promise that resolves to `PartListUnion` if a valid command is
* found and results in a prompt, or `undefined` otherwise.
* @throws {FatalInputError} if the command result is not supported in
* non-interactive mode.
*/
export const handleSlashCommand = async (
rawQuery: string,
abortController: AbortController,
config: Config,
settings: LoadedSettings,
): Promise<PartListUnion | undefined> => {
const trimmed = rawQuery.trim();
if (!trimmed.startsWith('/')) {
return;
}
const commandService = await CommandService.create(
[
new BuiltinCommandLoader(config),
new McpPromptLoader(config),
new FileCommandLoader(config),
],
abortController.signal,
);
const commands = commandService.getCommands();
const { commandToExecute, args } = parseSlashCommand(rawQuery, commands);
if (commandToExecute) {
if (commandToExecute.action) {
// Not used by custom commands but may be in the future.
const sessionStats: SessionStatsState = {
sessionId: config?.getSessionId(),
sessionStartTime: new Date(),
metrics: uiTelemetryService.getMetrics(),
lastPromptTokenCount: 0,
promptCount: 1,
};
const logger = new Logger(config?.getSessionId() || '', config?.storage);
const commandContext: CommandContext = {
services: {
agentContext: config,
settings,
git: undefined,
logger,
},
ui: createNonInteractiveUI(),
session: {
stats: sessionStats,
sessionShellAllowlist: new Set(),
},
invocation: {
raw: trimmed,
name: commandToExecute.name,
args,
},
};
const result = await commandToExecute.action(commandContext, args);
if (result) {
switch (result.type) {
case 'submit_prompt':
return result.content;
case 'confirm_shell_commands':
// This result indicates a command attempted to confirm shell commands.
// However note that currently, ShellTool is excluded in non-interactive
// mode unless 'YOLO mode' is active, so confirmation actually won't
// occur because of YOLO mode.
// This ensures that if a command *does* request confirmation (e.g.
// in the future with more granular permissions), it's handled appropriately.
throw new FatalInputError(
'Exiting due to a confirmation prompt requested by the command.',
);
default:
throw new FatalInputError(
'Exiting due to command result that is not supported in non-interactive mode.',
);
}
}
}
}
return;
};
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