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docs: clarify error handlers are final and don't call next() #7646

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docs: clarify error handlers are final and don't call next() #7646

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b1eb2b7
fix: enhance WebSocket error handling with status code logging
taosin Jan 24, 2026
6f601e9
feat: add final error handlers for HTTP and WebSocket with detailed d…
taosin Jan 27, 2026
9388cce
Merge branch 'coder:main' into code-108.1
taosin Jan 27, 2026
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12 changes: 12 additions & 0 deletions src/node/routes/errors.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,12 @@ export const errorHasCode = (error: any): error is ErrorWithCode => {

const notFoundCodes = [404, "ENOENT", "EISDIR"]

/**
* Final HTTP error handler.
*
* Note: This handler intentionally does not call `next()` even though it
* accepts it as an argument; it is expected to be mounted last.
*/
export const errorHandler: express.ErrorRequestHandler = async (err, req, res, next) => {
let statusCode = 500

Expand Down Expand Up @@ -61,6 +67,12 @@ export const errorHandler: express.ErrorRequestHandler = async (err, req, res, n
}
}

/**
* Final WebSocket error handler.
*
* Note: This handler intentionally does not call `next()` even though it
* accepts it as an argument; it is expected to be mounted last.
*/
export const wsErrorHandler: express.ErrorRequestHandler = async (err, req, res, next) => {
let statusCode = 500
if (errorHasStatusCode(err)) {
Expand Down