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authorpack <pack@packgekko.xyz>2026-08-09 10:54:08 +0000
committerpack <pack@packgekko.xyz>2026-08-09 10:54:08 +0000
commitd3adc16a08d95d6e331de55d7d3bf05a66a874a8 (patch)
treea2dabd199501e67c547c2ce79e1374ca3aa55443 /node_modules/finalhandler/index.js
parent55a4f1fc869e41aca748c63d3018f0448b1606e0 (diff)
downloadcrud-d3adc16a08d95d6e331de55d7d3bf05a66a874a8.tar.gz
stop tracking node_modules/
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-rw-r--r--node_modules/finalhandler/index.js293
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diff --git a/node_modules/finalhandler/index.js b/node_modules/finalhandler/index.js
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--- a/node_modules/finalhandler/index.js
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-/*!
- * finalhandler
- * Copyright(c) 2014-2022 Douglas Christopher Wilson
- * MIT Licensed
- */
-
-'use strict'
-
-/**
- * Module dependencies.
- * @private
- */
-
-var debug = require('debug')('finalhandler')
-var encodeUrl = require('encodeurl')
-var escapeHtml = require('escape-html')
-var onFinished = require('on-finished')
-var parseUrl = require('parseurl')
-var statuses = require('statuses')
-
-/**
- * Module variables.
- * @private
- */
-
-var isFinished = onFinished.isFinished
-
-/**
- * Create a minimal HTML document.
- *
- * @param {string} message
- * @private
- */
-
-function createHtmlDocument (message) {
- var body = escapeHtml(message)
- .replaceAll('\n', '<br>')
- .replaceAll(' ', ' &nbsp;')
-
- return '<!DOCTYPE html>\n' +
- '<html lang="en">\n' +
- '<head>\n' +
- '<meta charset="utf-8">\n' +
- '<title>Error</title>\n' +
- '</head>\n' +
- '<body>\n' +
- '<pre>' + body + '</pre>\n' +
- '</body>\n' +
- '</html>\n'
-}
-
-/**
- * Module exports.
- * @public
- */
-
-module.exports = finalhandler
-
-/**
- * Create a function to handle the final response.
- *
- * @param {Request} req
- * @param {Response} res
- * @param {Object} [options]
- * @return {Function}
- * @public
- */
-
-function finalhandler (req, res, options) {
- var opts = options || {}
-
- // get environment
- var env = opts.env || process.env.NODE_ENV || 'development'
-
- // get error callback
- var onerror = opts.onerror
-
- return function (err) {
- var headers
- var msg
- var status
-
- // ignore 404 on in-flight response
- if (!err && res.headersSent) {
- debug('cannot 404 after headers sent')
- return
- }
-
- // unhandled error
- if (err) {
- // respect status code from error
- status = getErrorStatusCode(err)
-
- if (status === undefined) {
- // fallback to status code on response
- status = getResponseStatusCode(res)
- } else {
- // respect headers from error
- headers = getErrorHeaders(err)
- }
-
- // get error message
- msg = getErrorMessage(err, status, env)
- } else {
- // not found
- status = 404
- msg = 'Cannot ' + req.method + ' ' + encodeUrl(getResourceName(req))
- }
-
- debug('default %s', status)
-
- // schedule onerror callback
- if (err && onerror) {
- setImmediate(onerror, err, req, res)
- }
-
- // cannot actually respond
- if (res.headersSent) {
- debug('cannot %d after headers sent', status)
- if (req.socket) {
- req.socket.destroy()
- }
- return
- }
-
- // send response
- send(req, res, status, headers, msg)
- }
-}
-
-/**
- * Get headers from Error object.
- *
- * @param {Error} err
- * @return {object}
- * @private
- */
-
-function getErrorHeaders (err) {
- if (!err.headers || typeof err.headers !== 'object') {
- return undefined
- }
-
- return { ...err.headers }
-}
-
-/**
- * Get message from Error object, fallback to status message.
- *
- * @param {Error} err
- * @param {number} status
- * @param {string} env
- * @return {string}
- * @private
- */
-
-function getErrorMessage (err, status, env) {
- var msg
-
- if (env !== 'production') {
- // use err.stack, which typically includes err.message
- msg = err.stack
-
- // fallback to err.toString() when possible
- if (!msg && typeof err.toString === 'function') {
- msg = err.toString()
- }
- }
-
- return msg || statuses.message[status]
-}
-
-/**
- * Get status code from Error object.
- *
- * @param {Error} err
- * @return {number}
- * @private
- */
-
-function getErrorStatusCode (err) {
- // check err.status
- if (typeof err.status === 'number' && err.status >= 400 && err.status < 600) {
- return err.status
- }
-
- // check err.statusCode
- if (typeof err.statusCode === 'number' && err.statusCode >= 400 && err.statusCode < 600) {
- return err.statusCode
- }
-
- return undefined
-}
-
-/**
- * Get resource name for the request.
- *
- * This is typically just the original pathname of the request
- * but will fallback to "resource" is that cannot be determined.
- *
- * @param {IncomingMessage} req
- * @return {string}
- * @private
- */
-
-function getResourceName (req) {
- try {
- return parseUrl.original(req).pathname
- } catch (e) {
- return 'resource'
- }
-}
-
-/**
- * Get status code from response.
- *
- * @param {OutgoingMessage} res
- * @return {number}
- * @private
- */
-
-function getResponseStatusCode (res) {
- var status = res.statusCode
-
- // default status code to 500 if outside valid range
- if (typeof status !== 'number' || status < 400 || status > 599) {
- status = 500
- }
-
- return status
-}
-
-/**
- * Send response.
- *
- * @param {IncomingMessage} req
- * @param {OutgoingMessage} res
- * @param {number} status
- * @param {object} headers
- * @param {string} message
- * @private
- */
-
-function send (req, res, status, headers, message) {
- function write () {
- // response body
- var body = createHtmlDocument(message)
-
- // response status
- res.statusCode = status
-
- if (req.httpVersionMajor < 2) {
- res.statusMessage = statuses.message[status]
- }
-
- // remove any content headers
- res.removeHeader('Content-Encoding')
- res.removeHeader('Content-Language')
- res.removeHeader('Content-Range')
-
- // response headers
- for (const [key, value] of Object.entries(headers ?? {})) {
- res.setHeader(key, value)
- }
-
- // security headers
- res.setHeader('Content-Security-Policy', "default-src 'none'")
- res.setHeader('X-Content-Type-Options', 'nosniff')
-
- // standard headers
- res.setHeader('Content-Type', 'text/html; charset=utf-8')
- res.setHeader('Content-Length', Buffer.byteLength(body, 'utf8'))
-
- if (req.method === 'HEAD') {
- res.end()
- return
- }
-
- res.end(body, 'utf8')
- }
-
- if (isFinished(req)) {
- write()
- return
- }
-
- // unpipe everything from the request
- req.unpipe()
-
- // flush the request
- onFinished(req, write)
- req.resume()
-}