mirror of
https://github.com/yu-i-i/overleaf-cep.git
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Anna Claire Fields
38 lines
1.0 KiB
JavaScript
38 lines
1.0 KiB
JavaScript
import express from 'express'
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import { plainTextResponse } from './Response.mjs'
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/*
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This wrapper is implemented specifically to handle "Premature Close" errors.
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These errors occur when the client cancels a request while static assets are being loaded.
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This issue is beyond our control, it can result in unnecessary log noise.
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Therefore, this wrapper is added to handle such errors.
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*/
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function serveStaticWrapper(root, options) {
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const serveStatic = express.static(root, options)
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return (req, res, next) => {
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serveStatic(req, res, error => {
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if (!error) {
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return next()
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}
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if (
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error.code !== 'ERR_STREAM_PREMATURE_CLOSE' &&
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error.code !== 'ERR_STREAM_UNABLE_TO_PIPE'
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) {
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return next(error)
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}
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req.logger.addFields({ err: error })
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req.logger.setLevel('debug')
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if (res.headersSent) {
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res.end()
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} else {
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res.status(400)
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plainTextResponse(res, 'Premature close')
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}
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})
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}
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}
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export default serveStaticWrapper
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