Files
FEDEO/backend/src/mcp/result.ts

62 lines
1.8 KiB
TypeScript

import { McpToolResult } from "./types"
const OMIT_ARCHIVED = Symbol("omit-archived")
function omitArchivedRecords(value: unknown): unknown | typeof OMIT_ARCHIVED {
if (Array.isArray(value)) {
return value
.map(omitArchivedRecords)
.filter((item) => item !== OMIT_ARCHIVED)
}
if (!value || typeof value !== "object") return value
const prototype = Object.getPrototypeOf(value)
if (prototype !== Object.prototype && prototype !== null) return value
const record = value as Record<string, unknown>
if (record.archived === true) return OMIT_ARCHIVED
return Object.fromEntries(
Object.entries(record)
.map(([key, item]) => [key, omitArchivedRecords(item)] as const)
.filter(([, item]) => item !== OMIT_ARCHIVED),
)
}
export function asToolResult(payload: unknown): McpToolResult {
const sanitizedPayload = omitArchivedRecords(payload)
const resultPayload = sanitizedPayload === OMIT_ARCHIVED ? {} : sanitizedPayload
const structuredContent =
resultPayload && typeof resultPayload === "object" && !Array.isArray(resultPayload)
? resultPayload as Record<string, unknown>
: { result: resultPayload }
return {
content: [
{
type: "text",
text: JSON.stringify(resultPayload, null, 2),
},
],
structuredContent,
}
}
export function asToolError(error: unknown): McpToolResult {
const message = error instanceof Error ? error.message : "Unbekannter Fehler"
return {
content: [
{
type: "text",
text: message,
},
],
isError: true,
structuredContent: {
error: message,
},
}
}