40 lines
1.5 KiB
JavaScript
40 lines
1.5 KiB
JavaScript
import timeout from 'express-timeout-handler'
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import statsd from '../lib/statsd.js'
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// Heroku router requests timeout after 30 seconds. We should stop them earlier!
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const maxRequestTimeout = parseInt(process.env.REQUEST_TIMEOUT, 10) || 10000
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export default timeout.handler({
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// Default timeout for all endpoints
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// To override for a given router/endpoint, use `xExpressTimeoutHandler.set(...)`
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timeout: maxRequestTimeout,
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// IMPORTANT:
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// We cannot allow the middleware to disable the `res` object's methods like
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// it does by default if we want to use `next` in the `onTimeout` handler!
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disable: [],
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onTimeout: function (req, res, next) {
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// The `req.pagePath` can come later so it's not guaranteed to always
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// be present. It's added by the `handle-next-data-path.js` middleware
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// we translates those "cryptic" `/_next/data/...` URLs from
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// client-side routing.
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const incrementTags = [`path:${req.pagePath || req.path}`]
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if (req.context?.currentCategory) {
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incrementTags.push(`product:${req.context.currentCategory}`)
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}
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statsd.increment('middleware.timeout', 1, incrementTags)
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// Create a custom timeout error
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const timeoutError = new Error('Request timed out')
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timeoutError.statusCode = 503
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timeoutError.code = 'ETIMEDOUT'
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// Pass the error to our Express error handler for consolidated processing
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return next(timeoutError)
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},
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// Can also set an `onDelayedResponse` property IF AND ONLY IF you allow for disabling methods
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})
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