Function executePreToolHooks

src/utils/hooks.ts:3538–3580

(
  toolName: string,
  toolUseID: string,
  toolInput: ToolInput,
  toolUseContext: ToolUseContext,
  permissionMode?: string,
  signal?: AbortSignal,
  timeoutMs: number = TOOL_HOOK_EXECUTION_TIMEOUT_MS,
  requestPrompt?: (
    sourceName: string,
    toolInputSummary?: string | null,
  ) => (request: PromptRequest) => Promise<PromptResponse>,
  toolInputSummary?: string | null,
)

 * @returns Async generator that yields progress messages and returns blocking errors
 */
export async function* executePreToolHooks<ToolInput>(
  toolName: string,
  toolUseID: string,
  toolInput: ToolInput,
  toolUseContext: ToolUseContext,
  permissionMode?: string,
  signal?: AbortSignal,
  timeoutMs: number = TOOL_HOOK_EXECUTION_TIMEOUT_MS,
  requestPrompt?: (
    sourceName: string,
    toolInputSummary?: string | null,
  ) => (request: PromptRequest) => Promise<PromptResponse>,
  toolInputSummary?: string | null,
): AsyncGenerator<AggregatedHookResult> {
  const appState = toolUseContext.getAppState()
  const sessionId = toolUseContext.agentId ?? getSessionId()
  if (!hasHookForEvent('PreToolUse', appState, sessionId)) {
    return
  }

  logForDebugging(`executePreToolHooks called for tool: ${toolName}`, {
    level: 'verbose',
  })

  const hookInput: PreToolUseHookInput = {
    ...createBaseHookInput(permissionMode, undefined, toolUseContext),
    hook_event_name: 'PreToolUse',
    tool_name: toolName,
    tool_input: toolInput,
    tool_use_id: toolUseID,
  }

  yield* executeHooks({
    hookInput,
    toolUseID,
    matchQuery: toolName,
    signal,
    timeoutMs,
    toolUseContext,
    requestPrompt,
    toolInputSummary,
  })
}

/**
 * Execute post-tool hooks if configured