FM / http-errors

/var/www/p4ela.kz/server/delivery/node_modules/http-errors/

/var/www/p4ela.kz/server/delivery/node_modules/http-errors

Name	Size	Mode	Actions
HISTORY.md	3973	0644	edit dl rm
index.js	6391	0644	edit dl rm
LICENSE	1168	0644	edit dl rm
package.json	2510	0644	edit dl rm
README.md	5962	0644	edit dl rm

Edit: /var/www/p4ela.kz/server/delivery/node_modules/http-errors/index.js (6391B)

/*!
 * http-errors
 * Copyright(c) 2014 Jonathan Ong
 * Copyright(c) 2016 Douglas Christopher Wilson
 * MIT Licensed
 */

'use strict'

/**
 * Module dependencies.
 * @private
 */

var deprecate = require('depd')('http-errors')
var setPrototypeOf = require('setprototypeof')
var statuses = require('statuses')
var inherits = require('inherits')
var toIdentifier = require('toidentifier')

/**
 * Module exports.
 * @public
 */

module.exports = createError
module.exports.HttpError = createHttpErrorConstructor()
module.exports.isHttpError = createIsHttpErrorFunction(module.exports.HttpError)

// Populate exports for all constructors
populateConstructorExports(module.exports, statuses.codes, module.exports.HttpError)

/**
 * Get the code class of a status code.
 * @private
 */

function codeClass (status) {
  return Number(String(status).charAt(0) + '00')
}

/**
 * Create a new HTTP Error.
 *
 * @returns {Error}
 * @public
 */

function createError () {
  // so much arity going on ~_~
  var err
  var msg
  var status = 500
  var props = {}
  for (var i = 0; i < arguments.length; i++) {
    var arg = arguments[i]
    var type = typeof arg
    if (type === 'object' && arg instanceof Error) {
      err = arg
      status = err.status || err.statusCode || status
    } else if (type === 'number' && i === 0) {
      status = arg
    } else if (type === 'string') {
      msg = arg
    } else if (type === 'object') {
      props = arg
    } else {
      throw new TypeError('argument #' + (i + 1) + ' unsupported type ' + type)
    }
  }

if (typeof status === 'number' && (status < 400 || status >= 600)) {
    deprecate('non-error status code; use only 4xx or 5xx status codes')
  }

if (typeof status !== 'number' ||
    (!statuses.message[status] && (status < 400 || status >= 600))) {
    status = 500
  }

// constructor
  var HttpError = createError[status] || createError[codeClass(status)]

if (!err) {
    // create error
    err = HttpError
      ? new HttpError(msg)
      : new Error(msg || statuses.message[status])
    Error.captureStackTrace(err, createError)
  }

if (!HttpError || !(err instanceof HttpError) || err.status !== status) {
    // add properties to generic error
    err.expose = status < 500
    err.status = err.statusCode = status
  }

for (var key in props) {
    if (key !== 'status' && key !== 'statusCode') {
      err[key] = props[key]
    }
  }

return err
}

/**
 * Create HTTP error abstract base class.
 * @private
 */

function createHttpErrorConstructor () {
  function HttpError () {
    throw new TypeError('cannot construct abstract class')
  }

inherits(HttpError, Error)

return HttpError
}

/**
 * Create a constructor for a client error.
 * @private
 */

function createClientErrorConstructor (HttpError, name, code) {
  var className = toClassName(name)

function ClientError (message) {
    // create the error object
    var msg = message != null ? message : statuses.message[code]
    var err = new Error(msg)

// capture a stack trace to the construction point
    Error.captureStackTrace(err, ClientError)

// adjust the [[Prototype]]
    setPrototypeOf(err, ClientError.prototype)

// redefine the error message
    Object.defineProperty(err, 'message', {
      enumerable: true,
      configurable: true,
      value: msg,
      writable: true
    })

// redefine the error name
    Object.defineProperty(err, 'name', {
      enumerable: false,
      configurable: true,
      value: className,
      writable: true
    })

return err
  }

inherits(ClientError, HttpError)
  nameFunc(ClientError, className)

ClientError.prototype.status = code
  ClientError.prototype.statusCode = code
  ClientError.prototype.expose = true

return ClientError
}

/**
 * Create function to test is a value is a HttpError.
 * @private
 */

function createIsHttpErrorFunction (HttpError) {
  return function isHttpError (val) {
    if (!val || typeof val !== 'object') {
      return false
    }

if (val instanceof HttpError) {
      return true
    }

return val instanceof Error &&
      typeof val.expose === 'boolean' &&
      typeof val.statusCode === 'number' && val.status === val.statusCode
  }
}

/**
 * Create a constructor for a server error.
 * @private
 */

function createServerErrorConstructor (HttpError, name, code) {
  var className = toClassName(name)

function ServerError (message) {
    // create the error object
    var msg = message != null ? message : statuses.message[code]
    var err = new Error(msg)

// capture a stack trace to the construction point
    Error.captureStackTrace(err, ServerError)

// adjust the [[Prototype]]
    setPrototypeOf(err, ServerError.prototype)

// redefine the error message
    Object.defineProperty(err, 'message', {
      enumerable: true,
      configurable: true,
      value: msg,
      writable: true
    })

// redefine the error name
    Object.defineProperty(err, 'name', {
      enumerable: false,
      configurable: true,
      value: className,
      writable: true
    })

return err
  }

inherits(ServerError, HttpError)
  nameFunc(ServerError, className)

ServerError.prototype.status = code
  ServerError.prototype.statusCode = code
  ServerError.prototype.expose = false

return ServerError
}

/**
 * Set the name of a function, if possible.
 * @private
 */

function nameFunc (func, name) {
  var desc = Object.getOwnPropertyDescriptor(func, 'name')

if (desc && desc.configurable) {
    desc.value = name
    Object.defineProperty(func, 'name', desc)
  }
}

/**
 * Populate the exports object with constructors for every error class.
 * @private
 */

function populateConstructorExports (exports, codes, HttpError) {
  codes.forEach(function forEachCode (code) {
    var CodeError
    var name = toIdentifier(statuses.message[code])

switch (codeClass(code)) {
      case 400:
        CodeError = createClientErrorConstructor(HttpError, name, code)
        break
      case 500:
        CodeError = createServerErrorConstructor(HttpError, name, code)
        break
    }

if (CodeError) {
      // export the constructor
      exports[code] = CodeError
      exports[name] = CodeError
    }
  })
}

/**
 * Get a class name from a name identifier.
 * @private
 */

function toClassName (name) {
  return name.substr(-5) !== 'Error'
    ? name + 'Error'
    : name
}

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