response-formatter.ts•1.73 kB
/**
* MCP 响应格式化工具
* 统一 MCP tool 的响应格式
*/
import type { Diff } from '../schemas/diff.js';
/**
* 格式化 JSON 响应
*/
export function formatJsonResponse(data: unknown) {
return {
content: [
{
type: 'text' as const,
text: JSON.stringify(data, null, 2),
},
],
};
}
/**
* 格式化错误响应
*/
export function formatErrorResponse(error: unknown) {
const errorMessage = error instanceof Error ? error.message : String(error);
const errorStack = error instanceof Error ? error.stack : undefined;
return {
content: [
{
type: 'text' as const,
text: JSON.stringify(
{
error: errorMessage,
stack: errorStack,
},
null,
2
),
},
],
isError: true,
};
}
/**
* 格式化 Diff 响应（用于 fetch-diff 和 fetch-commit-changes）
*/
export function formatDiffResponse(diff: Diff, metadata?: {
commit?: {
hash: string;
author: string;
date: string;
message: string;
};
}) {
const baseResponse = {
...(metadata?.commit ? { commit: metadata.commit } : {}),
revisionId: diff.revisionId,
diffId: diff.diffId,
title: diff.title,
summary: diff.summary,
files: diff.files.map(f => ({
path: f.path,
changeType: f.changeType,
additions: f.additions,
deletions: f.deletions,
hunks: f.hunks.map(h => ({
oldStart: h.oldStart,
oldLines: h.oldLines,
newStart: h.newStart,
newLines: h.newLines,
content: h.lines.join('\n'),
})),
})),
fullDiff: diff.numberedRaw || diff.raw,
};
return formatJsonResponse(baseResponse);
}