π― Use case
This module implements the βutils.tsβ tool (utils.ts) β something the model can call at runtime alongside other agent tools. On the API surface it exposes tagMessagesWithToolUseID and getToolUseIDFromParentMessage β mainly functions, hooks, or classes. Dependencies touch src.
Generated from folder role, exports, dependency roots, and inline comments β not hand-reviewed for every path.
π§ Inline summary
import type { AssistantMessage, AttachmentMessage, SystemMessage, UserMessage,
π€ Exports (heuristic)
tagMessagesWithToolUseIDgetToolUseIDFromParentMessage
π External import roots
Package roots from from "β¦" (relative paths omitted).
src
π₯οΈ Source preview
import type {
AssistantMessage,
AttachmentMessage,
SystemMessage,
UserMessage,
} from 'src/types/message.js'
/**
* Tags user messages with a sourceToolUseID so they stay transient until the tool resolves.
* This prevents the "is running" message from being duplicated in the UI.
*/
export function tagMessagesWithToolUseID(
messages: (UserMessage | AttachmentMessage | SystemMessage)[],
toolUseID: string | undefined,
): (UserMessage | AttachmentMessage | SystemMessage)[] {
if (!toolUseID) {
return messages
}
return messages.map(m => {
if (m.type === 'user') {
return { ...m, sourceToolUseID: toolUseID }
}
return m
})
}
/**
* Extracts the tool use ID from a parent message for a given tool name.
*/
export function getToolUseIDFromParentMessage(
parentMessage: AssistantMessage,
toolName: string,
): string | undefined {
const toolUseBlock = parentMessage.message.content.find(
block => block.type === 'tool_use' && block.name === toolName,
)
return toolUseBlock && toolUseBlock.type === 'tool_use'
? toolUseBlock.id
: undefined
}