diff options
Diffstat (limited to 'node_modules/http-errors/index.js')
| -rw-r--r-- | node_modules/http-errors/index.js | 260 |
1 files changed, 0 insertions, 260 deletions
diff --git a/node_modules/http-errors/index.js b/node_modules/http-errors/index.js deleted file mode 100644 index 9509303..0000000 --- a/node_modules/http-errors/index.js +++ /dev/null @@ -1,260 +0,0 @@ -/*! - * 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') - -/** - * Module exports. - * @public - */ - -module.exports = createError -module.exports.HttpError = createHttpErrorConstructor() - -// 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] - if (arg instanceof Error) { - err = arg - status = err.status || err.statusCode || status - continue - } - switch (typeof arg) { - case 'string': - msg = arg - break - case 'number': - status = arg - if (i !== 0) { - deprecate('non-first-argument status code; replace with createError(' + arg + ', ...)') - } - break - case 'object': - props = arg - break - } - } - - 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[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[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 = name.match(/Error$/) ? name : name + 'Error' - - function ClientError (message) { - // create the error object - var msg = message != null ? message : statuses[code] - var err = new Error(msg) - - // capture a stack trace to the construction point - Error.captureStackTrace(err, ClientError) - - // adjust the [[Prototype]] - setPrototypeOf(err, ClientError.prototype) - - // redefine the error message - Object.defineProperty(err, 'message', { - enumerable: true, - configurable: true, - value: msg, - writable: true - }) - - // redefine the error name - Object.defineProperty(err, 'name', { - enumerable: false, - configurable: true, - value: className, - writable: true - }) - - return err - } - - inherits(ClientError, HttpError) - - ClientError.prototype.status = code - ClientError.prototype.statusCode = code - ClientError.prototype.expose = true - - return ClientError -} - -/** - * Create a constructor for a server error. - * @private - */ - -function createServerErrorConstructor (HttpError, name, code) { - var className = name.match(/Error$/) ? name : name + 'Error' - - function ServerError (message) { - // create the error object - var msg = message != null ? message : statuses[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) - - ServerError.prototype.status = code - ServerError.prototype.statusCode = code - ServerError.prototype.expose = false - - return ServerError -} - -/** - * 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[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 - } - }) - - // backwards-compatibility - exports["I'mateapot"] = deprecate.function(exports.ImATeapot, - '"I\'mateapot"; use "ImATeapot" instead') -} - -/** - * Convert a string of words to a JavaScript identifier. - * @private - */ - -function toIdentifier (str) { - return str.split(' ').map(function (token) { - return token.slice(0, 1).toUpperCase() + token.slice(1) - }).join('').replace(/[^ _0-9a-z]/gi, '') -} |