root
11 lines
451 B
TypeScript
11 lines
451 B
TypeScript
import crypto from 'crypto'
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import type { Request, Response, NextFunction } from 'express'
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export function requestIdMiddleware(req: Request, res: Response, next: NextFunction) {
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const incoming = req.headers['x-request-id']
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const requestId = Array.isArray(incoming) ? incoming[0] : incoming
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req.requestId = requestId && requestId.length <= 128 ? requestId : `req_${crypto.randomUUID()}`
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res.setHeader('X-Request-Id', req.requestId)
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next()
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}
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