1 | // Type definitions for Express 4.17
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2 | // Project: http://expressjs.com
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3 | // Definitions by: Boris Yankov <https://github.com/borisyankov>
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4 | // Michał Lytek <https://github.com/19majkel94>
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5 | // Kacper Polak <https://github.com/kacepe>
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6 | // Satana Charuwichitratana <https://github.com/micksatana>
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7 | // Sami Jaber <https://github.com/samijaber>
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8 | // Jose Luis Leon <https://github.com/JoseLion>
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9 | // David Stephens <https://github.com/dwrss>
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10 | // Shin Ando <https://github.com/andoshin11>
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11 | // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
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12 | // TypeScript Version: 2.3
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13 |
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14 | // This extracts the core definitions from express to prevent a circular dependency between express and serve-static
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15 | /// <reference types="node" />
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16 |
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17 | declare global {
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18 | namespace Express {
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19 | // These open interfaces may be extended in an application-specific manner via declaration merging.
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20 | // See for example method-override.d.ts (https://github.com/DefinitelyTyped/DefinitelyTyped/blob/master/types/method-override/index.d.ts)
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21 | interface Request {}
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22 | interface Response {}
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23 | interface Application {}
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24 | }
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25 | }
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26 |
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27 | import * as http from 'http';
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28 | import { EventEmitter } from 'events';
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29 | import { Options as RangeParserOptions, Result as RangeParserResult, Ranges as RangeParserRanges } from 'range-parser';
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30 | import { ParsedQs } from 'qs';
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31 |
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32 | export {};
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33 |
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34 | export type Query = ParsedQs;
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35 |
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36 | export interface NextFunction {
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37 | (err?: any): void;
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38 | /**
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39 | * "Break-out" of a router by calling {next('router')};
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40 | * @see {https://expressjs.com/en/guide/using-middleware.html#middleware.router}
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41 | */
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42 | (deferToNext: 'router'): void;
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43 | /**
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44 | * "Break-out" of a route by calling {next('route')};
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45 | * @see {https://expressjs.com/en/guide/using-middleware.html#middleware.application}
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46 | */
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47 | (deferToNext: 'route'): void;
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48 | }
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49 |
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50 | export interface Dictionary<T> {
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51 | [key: string]: T;
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52 | }
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53 |
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54 | export interface ParamsDictionary {
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55 | [key: string]: string;
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56 | }
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57 | export type ParamsArray = string[];
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58 | export type Params = ParamsDictionary | ParamsArray;
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59 |
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60 | export interface RequestHandler<
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61 | P = ParamsDictionary,
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62 | ResBody = any,
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63 | ReqBody = any,
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64 | ReqQuery = ParsedQs,
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65 | Locals extends Record<string, any> = Record<string, any>
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66 | > {
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67 | // tslint:disable-next-line callable-types (This is extended from and can't extend from a type alias in ts<2.2)
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68 | (
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69 | req: Request<P, ResBody, ReqBody, ReqQuery, Locals>,
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70 | res: Response<ResBody, Locals>,
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71 | next: NextFunction,
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72 | ): void;
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73 | }
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74 |
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75 | export type ErrorRequestHandler<
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76 | P = ParamsDictionary,
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77 | ResBody = any,
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78 | ReqBody = any,
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79 | ReqQuery = ParsedQs,
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80 | Locals extends Record<string, any> = Record<string, any>
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81 | > = (
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82 | err: any,
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83 | req: Request<P, ResBody, ReqBody, ReqQuery, Locals>,
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84 | res: Response<ResBody, Locals>,
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85 | next: NextFunction,
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86 | ) => void;
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87 |
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88 | export type PathParams = string | RegExp | Array<string | RegExp>;
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89 |
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90 | export type RequestHandlerParams<
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91 | P = ParamsDictionary,
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92 | ResBody = any,
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93 | ReqBody = any,
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94 | ReqQuery = ParsedQs,
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95 | Locals extends Record<string, any> = Record<string, any>
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96 | > =
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97 | | RequestHandler<P, ResBody, ReqBody, ReqQuery, Locals>
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98 | | ErrorRequestHandler<P, ResBody, ReqBody, ReqQuery, Locals>
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99 | | Array<RequestHandler<P> | ErrorRequestHandler<P>>;
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100 |
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101 | type RemoveTail<S extends string, Tail extends string> = S extends `${infer P}${Tail}` ? P : S;
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102 | type GetRouteParameter<S extends string> = RemoveTail<
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103 | RemoveTail<RemoveTail<S, `/${string}`>, `-${string}`>,
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104 | `.${string}`
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105 | >;
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106 |
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107 | // prettier-ignore
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108 | export type RouteParameters<Route extends string> = string extends Route
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109 | ? ParamsDictionary
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110 | : Route extends `${string}(${string}`
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111 | ? ParamsDictionary //TODO: handling for regex parameters
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112 | : Route extends `${string}:${infer Rest}`
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113 | ? (
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114 | GetRouteParameter<Rest> extends never
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115 | ? ParamsDictionary
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116 | : GetRouteParameter<Rest> extends `${infer ParamName}?`
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117 | ? { [P in ParamName]?: string }
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118 | : { [P in GetRouteParameter<Rest>]: string }
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119 | ) &
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120 | (Rest extends `${GetRouteParameter<Rest>}${infer Next}`
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121 | ? RouteParameters<Next> : unknown)
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122 | : {};
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123 |
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124 | export interface IRouterMatcher<
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125 | T,
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126 | Method extends 'all' | 'get' | 'post' | 'put' | 'delete' | 'patch' | 'options' | 'head' = any
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127 | > {
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128 | <
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129 | Route extends string,
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130 | P = RouteParameters<Route>,
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131 | ResBody = any,
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132 | ReqBody = any,
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133 | ReqQuery = ParsedQs,
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134 | Locals extends Record<string, any> = Record<string, any>
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135 | >(
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136 | // tslint:disable-next-line no-unnecessary-generics (it's used as the default type parameter for P)
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137 | path: Route,
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138 | // tslint:disable-next-line no-unnecessary-generics (This generic is meant to be passed explicitly.)
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139 | ...handlers: Array<RequestHandler<P, ResBody, ReqBody, ReqQuery, Locals>>
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140 | ): T;
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141 | <
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142 | Path extends string,
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143 | P = RouteParameters<Path>,
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144 | ResBody = any,
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145 | ReqBody = any,
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146 | ReqQuery = ParsedQs,
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147 | Locals extends Record<string, any> = Record<string, any>
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148 | >(
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149 | // tslint:disable-next-line no-unnecessary-generics (it's used as the default type parameter for P)
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150 | path: Path,
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151 | // tslint:disable-next-line no-unnecessary-generics (This generic is meant to be passed explicitly.)
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152 | ...handlers: Array<RequestHandlerParams<P, ResBody, ReqBody, ReqQuery, Locals>>
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153 | ): T;
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154 | <
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155 | P = ParamsDictionary,
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156 | ResBody = any,
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157 | ReqBody = any,
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158 | ReqQuery = ParsedQs,
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159 | Locals extends Record<string, any> = Record<string, any>
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160 | >(
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161 | path: PathParams,
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162 | // tslint:disable-next-line no-unnecessary-generics (This generic is meant to be passed explicitly.)
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163 | ...handlers: Array<RequestHandler<P, ResBody, ReqBody, ReqQuery, Locals>>
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164 | ): T;
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165 | <
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166 | P = ParamsDictionary,
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167 | ResBody = any,
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168 | ReqBody = any,
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169 | ReqQuery = ParsedQs,
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170 | Locals extends Record<string, any> = Record<string, any>
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171 | >(
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172 | path: PathParams,
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173 | // tslint:disable-next-line no-unnecessary-generics (This generic is meant to be passed explicitly.)
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174 | ...handlers: Array<RequestHandlerParams<P, ResBody, ReqBody, ReqQuery, Locals>>
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175 | ): T;
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176 | (path: PathParams, subApplication: Application): T;
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177 | }
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178 |
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179 | export interface IRouterHandler<T, Route extends string = string> {
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180 | (...handlers: Array<RequestHandler<RouteParameters<Route>>>): T;
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181 | (...handlers: Array<RequestHandlerParams<RouteParameters<Route>>>): T;
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182 | <
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183 | P = RouteParameters<Route>,
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184 | ResBody = any,
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185 | ReqBody = any,
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186 | ReqQuery = ParsedQs,
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187 | Locals extends Record<string, any> = Record<string, any>
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188 | >(
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189 | // tslint:disable-next-line no-unnecessary-generics (This generic is meant to be passed explicitly.)
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190 | ...handlers: Array<RequestHandler<P, ResBody, ReqBody, ReqQuery, Locals>>
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191 | ): T;
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192 | <
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193 | P = RouteParameters<Route>,
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194 | ResBody = any,
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195 | ReqBody = any,
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196 | ReqQuery = ParsedQs,
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197 | Locals extends Record<string, any> = Record<string, any>
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198 | >(
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199 | // tslint:disable-next-line no-unnecessary-generics (This generic is meant to be passed explicitly.)
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200 | ...handlers: Array<RequestHandlerParams<P, ResBody, ReqBody, ReqQuery, Locals>>
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201 | ): T;
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202 | <
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203 | P = ParamsDictionary,
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204 | ResBody = any,
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205 | ReqBody = any,
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206 | ReqQuery = ParsedQs,
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207 | Locals extends Record<string, any> = Record<string, any>
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208 | >(
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209 | // tslint:disable-next-line no-unnecessary-generics (This generic is meant to be passed explicitly.)
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210 | ...handlers: Array<RequestHandler<P, ResBody, ReqBody, ReqQuery, Locals>>
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211 | ): T;
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212 | <
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213 | P = ParamsDictionary,
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214 | ResBody = any,
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215 | ReqBody = any,
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216 | ReqQuery = ParsedQs,
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217 | Locals extends Record<string, any> = Record<string, any>
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218 | >(
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219 | // tslint:disable-next-line no-unnecessary-generics (This generic is meant to be passed explicitly.)
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220 | ...handlers: Array<RequestHandlerParams<P, ResBody, ReqBody, ReqQuery, Locals>>
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221 | ): T;
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222 | }
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223 |
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224 | export interface IRouter extends RequestHandler {
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225 | /**
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226 | * Map the given param placeholder `name`(s) to the given callback(s).
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227 | *
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228 | * Parameter mapping is used to provide pre-conditions to routes
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229 | * which use normalized placeholders. For example a _:user_id_ parameter
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230 | * could automatically load a user's information from the database without
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231 | * any additional code,
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232 | *
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233 | * The callback uses the samesignature as middleware, the only differencing
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234 | * being that the value of the placeholder is passed, in this case the _id_
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235 | * of the user. Once the `next()` function is invoked, just like middleware
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236 | * it will continue on to execute the route, or subsequent parameter functions.
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237 | *
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238 | * app.param('user_id', function(req, res, next, id){
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239 | * User.find(id, function(err, user){
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240 | * if (err) {
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241 | * next(err);
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242 | * } else if (user) {
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243 | * req.user = user;
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244 | * next();
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245 | * } else {
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246 | * next(new Error('failed to load user'));
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247 | * }
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248 | * });
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249 | * });
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250 | */
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251 | param(name: string, handler: RequestParamHandler): this;
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252 |
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253 | /**
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254 | * Alternatively, you can pass only a callback, in which case you have the opportunity to alter the app.param()
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255 | *
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256 | * @deprecated since version 4.11
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257 | */
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258 | param(callback: (name: string, matcher: RegExp) => RequestParamHandler): this;
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259 |
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260 | /**
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261 | * Special-cased "all" method, applying the given route `path`,
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262 | * middleware, and callback to _every_ HTTP method.
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263 | */
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264 | all: IRouterMatcher<this, 'all'>;
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265 | get: IRouterMatcher<this, 'get'>;
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266 | post: IRouterMatcher<this, 'post'>;
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267 | put: IRouterMatcher<this, 'put'>;
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268 | delete: IRouterMatcher<this, 'delete'>;
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269 | patch: IRouterMatcher<this, 'patch'>;
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270 | options: IRouterMatcher<this, 'options'>;
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271 | head: IRouterMatcher<this, 'head'>;
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272 |
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273 | checkout: IRouterMatcher<this>;
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274 | connect: IRouterMatcher<this>;
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275 | copy: IRouterMatcher<this>;
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276 | lock: IRouterMatcher<this>;
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277 | merge: IRouterMatcher<this>;
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278 | mkactivity: IRouterMatcher<this>;
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279 | mkcol: IRouterMatcher<this>;
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280 | move: IRouterMatcher<this>;
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281 | 'm-search': IRouterMatcher<this>;
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282 | notify: IRouterMatcher<this>;
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283 | propfind: IRouterMatcher<this>;
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284 | proppatch: IRouterMatcher<this>;
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285 | purge: IRouterMatcher<this>;
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286 | report: IRouterMatcher<this>;
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287 | search: IRouterMatcher<this>;
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288 | subscribe: IRouterMatcher<this>;
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289 | trace: IRouterMatcher<this>;
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290 | unlock: IRouterMatcher<this>;
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291 | unsubscribe: IRouterMatcher<this>;
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292 |
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293 | use: IRouterHandler<this> & IRouterMatcher<this>;
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294 |
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295 | route<T extends string>(prefix: T): IRoute<T>;
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296 | route(prefix: PathParams): IRoute;
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297 | /**
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298 | * Stack of configured routes
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299 | */
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300 | stack: any[];
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301 | }
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302 |
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303 | export interface IRoute<Route extends string = string> {
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304 | path: string;
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305 | stack: any;
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306 | all: IRouterHandler<this, Route>;
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307 | get: IRouterHandler<this, Route>;
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308 | post: IRouterHandler<this, Route>;
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309 | put: IRouterHandler<this, Route>;
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310 | delete: IRouterHandler<this, Route>;
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311 | patch: IRouterHandler<this, Route>;
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312 | options: IRouterHandler<this, Route>;
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313 | head: IRouterHandler<this, Route>;
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314 |
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315 | checkout: IRouterHandler<this, Route>;
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316 | copy: IRouterHandler<this, Route>;
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317 | lock: IRouterHandler<this, Route>;
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318 | merge: IRouterHandler<this, Route>;
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319 | mkactivity: IRouterHandler<this, Route>;
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320 | mkcol: IRouterHandler<this, Route>;
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321 | move: IRouterHandler<this, Route>;
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322 | 'm-search': IRouterHandler<this, Route>;
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323 | notify: IRouterHandler<this, Route>;
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324 | purge: IRouterHandler<this, Route>;
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325 | report: IRouterHandler<this, Route>;
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326 | search: IRouterHandler<this, Route>;
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327 | subscribe: IRouterHandler<this, Route>;
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328 | trace: IRouterHandler<this, Route>;
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329 | unlock: IRouterHandler<this, Route>;
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330 | unsubscribe: IRouterHandler<this, Route>;
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331 | }
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332 |
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333 | export interface Router extends IRouter {}
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334 |
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335 | export interface CookieOptions {
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336 | maxAge?: number | undefined;
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337 | signed?: boolean | undefined;
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338 | expires?: Date | undefined;
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339 | httpOnly?: boolean | undefined;
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340 | path?: string | undefined;
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341 | domain?: string | undefined;
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342 | secure?: boolean | undefined;
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343 | encode?: ((val: string) => string) | undefined;
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344 | sameSite?: boolean | 'lax' | 'strict' | 'none' | undefined;
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345 | }
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346 |
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347 | export interface ByteRange {
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348 | start: number;
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349 | end: number;
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350 | }
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351 |
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352 | export interface RequestRanges extends RangeParserRanges {}
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353 |
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354 | export type Errback = (err: Error) => void;
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355 |
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356 | /**
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357 | * @param P For most requests, this should be `ParamsDictionary`, but if you're
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358 | * using this in a route handler for a route that uses a `RegExp` or a wildcard
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359 | * `string` path (e.g. `'/user/*'`), then `req.params` will be an array, in
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360 | * which case you should use `ParamsArray` instead.
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361 | *
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362 | * @see https://expressjs.com/en/api.html#req.params
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363 | *
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364 | * @example
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365 | * app.get('/user/:id', (req, res) => res.send(req.params.id)); // implicitly `ParamsDictionary`
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366 | * app.get<ParamsArray>(/user\/(.*)/, (req, res) => res.send(req.params[0]));
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367 | * app.get<ParamsArray>('/user/*', (req, res) => res.send(req.params[0]));
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368 | */
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369 | export interface Request<
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370 | P = ParamsDictionary,
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371 | ResBody = any,
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372 | ReqBody = any,
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373 | ReqQuery = ParsedQs,
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374 | Locals extends Record<string, any> = Record<string, any>
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375 | > extends http.IncomingMessage,
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376 | Express.Request {
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377 | /**
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378 | * Return request header.
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379 | *
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380 | * The `Referrer` header field is special-cased,
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381 | * both `Referrer` and `Referer` are interchangeable.
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382 | *
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383 | * Examples:
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384 | *
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385 | * req.get('Content-Type');
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386 | * // => "text/plain"
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387 | *
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388 | * req.get('content-type');
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389 | * // => "text/plain"
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390 | *
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391 | * req.get('Something');
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392 | * // => undefined
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393 | *
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394 | * Aliased as `req.header()`.
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395 | */
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396 | get(name: 'set-cookie'): string[] | undefined;
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397 | get(name: string): string | undefined;
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398 |
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399 | header(name: 'set-cookie'): string[] | undefined;
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400 | header(name: string): string | undefined;
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401 |
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402 | /**
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403 | * Check if the given `type(s)` is acceptable, returning
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404 | * the best match when true, otherwise `undefined`, in which
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405 | * case you should respond with 406 "Not Acceptable".
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406 | *
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407 | * The `type` value may be a single mime type string
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408 | * such as "application/json", the extension name
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409 | * such as "json", a comma-delimted list such as "json, html, text/plain",
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410 | * or an array `["json", "html", "text/plain"]`. When a list
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411 | * or array is given the _best_ match, if any is returned.
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412 | *
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413 | * Examples:
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414 | *
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415 | * // Accept: text/html
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416 | * req.accepts('html');
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417 | * // => "html"
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418 | *
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419 | * // Accept: text/*, application/json
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420 | * req.accepts('html');
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421 | * // => "html"
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422 | * req.accepts('text/html');
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423 | * // => "text/html"
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424 | * req.accepts('json, text');
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425 | * // => "json"
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426 | * req.accepts('application/json');
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427 | * // => "application/json"
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428 | *
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429 | * // Accept: text/*, application/json
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430 | * req.accepts('image/png');
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431 | * req.accepts('png');
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432 | * // => undefined
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433 | *
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434 | * // Accept: text/*;q=.5, application/json
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435 | * req.accepts(['html', 'json']);
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436 | * req.accepts('html, json');
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437 | * // => "json"
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438 | */
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439 | accepts(): string[];
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440 | accepts(type: string): string | false;
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441 | accepts(type: string[]): string | false;
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442 | accepts(...type: string[]): string | false;
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443 |
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444 | /**
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445 | * Returns the first accepted charset of the specified character sets,
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446 | * based on the request's Accept-Charset HTTP header field.
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447 | * If none of the specified charsets is accepted, returns false.
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448 | *
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449 | * For more information, or if you have issues or concerns, see accepts.
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450 | */
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451 | acceptsCharsets(): string[];
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452 | acceptsCharsets(charset: string): string | false;
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453 | acceptsCharsets(charset: string[]): string | false;
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454 | acceptsCharsets(...charset: string[]): string | false;
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455 |
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456 | /**
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457 | * Returns the first accepted encoding of the specified encodings,
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458 | * based on the request's Accept-Encoding HTTP header field.
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459 | * If none of the specified encodings is accepted, returns false.
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460 | *
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461 | * For more information, or if you have issues or concerns, see accepts.
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462 | */
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463 | acceptsEncodings(): string[];
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464 | acceptsEncodings(encoding: string): string | false;
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465 | acceptsEncodings(encoding: string[]): string | false;
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466 | acceptsEncodings(...encoding: string[]): string | false;
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467 |
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468 | /**
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469 | * Returns the first accepted language of the specified languages,
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470 | * based on the request's Accept-Language HTTP header field.
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471 | * If none of the specified languages is accepted, returns false.
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472 | *
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473 | * For more information, or if you have issues or concerns, see accepts.
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474 | */
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475 | acceptsLanguages(): string[];
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476 | acceptsLanguages(lang: string): string | false;
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477 | acceptsLanguages(lang: string[]): string | false;
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478 | acceptsLanguages(...lang: string[]): string | false;
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479 |
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480 | /**
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481 | * Parse Range header field, capping to the given `size`.
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482 | *
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483 | * Unspecified ranges such as "0-" require knowledge of your resource length. In
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484 | * the case of a byte range this is of course the total number of bytes.
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485 | * If the Range header field is not given `undefined` is returned.
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486 | * If the Range header field is given, return value is a result of range-parser.
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487 | * See more ./types/range-parser/index.d.ts
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488 | *
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489 | * NOTE: remember that ranges are inclusive, so for example "Range: users=0-3"
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490 | * should respond with 4 users when available, not 3.
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491 | *
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492 | */
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493 | range(size: number, options?: RangeParserOptions): RangeParserRanges | RangeParserResult | undefined;
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494 |
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495 | /**
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496 | * Return an array of Accepted media types
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497 | * ordered from highest quality to lowest.
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498 | */
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499 | accepted: MediaType[];
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500 |
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501 | /**
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502 | * @deprecated since 4.11 Use either req.params, req.body or req.query, as applicable.
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503 | *
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504 | * Return the value of param `name` when present or `defaultValue`.
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505 | *
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506 | * - Checks route placeholders, ex: _/user/:id_
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507 | * - Checks body params, ex: id=12, {"id":12}
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508 | * - Checks query string params, ex: ?id=12
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509 | *
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510 | * To utilize request bodies, `req.body`
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511 | * should be an object. This can be done by using
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512 | * the `connect.bodyParser()` middleware.
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513 | */
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514 | param(name: string, defaultValue?: any): string;
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515 |
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516 | /**
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517 | * Check if the incoming request contains the "Content-Type"
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518 | * header field, and it contains the give mime `type`.
|
519 | *
|
520 | * Examples:
|
521 | *
|
522 | * // With Content-Type: text/html; charset=utf-8
|
523 | * req.is('html');
|
524 | * req.is('text/html');
|
525 | * req.is('text/*');
|
526 | * // => true
|
527 | *
|
528 | * // When Content-Type is application/json
|
529 | * req.is('json');
|
530 | * req.is('application/json');
|
531 | * req.is('application/*');
|
532 | * // => true
|
533 | *
|
534 | * req.is('html');
|
535 | * // => false
|
536 | */
|
537 | is(type: string | string[]): string | false | null;
|
538 |
|
539 | /**
|
540 | * Return the protocol string "http" or "https"
|
541 | * when requested with TLS. When the "trust proxy"
|
542 | * setting is enabled the "X-Forwarded-Proto" header
|
543 | * field will be trusted. If you're running behind
|
544 | * a reverse proxy that supplies https for you this
|
545 | * may be enabled.
|
546 | */
|
547 | protocol: string;
|
548 |
|
549 | /**
|
550 | * Short-hand for:
|
551 | *
|
552 | * req.protocol == 'https'
|
553 | */
|
554 | secure: boolean;
|
555 |
|
556 | /**
|
557 | * Return the remote address, or when
|
558 | * "trust proxy" is `true` return
|
559 | * the upstream addr.
|
560 | */
|
561 | ip: string;
|
562 |
|
563 | /**
|
564 | * When "trust proxy" is `true`, parse
|
565 | * the "X-Forwarded-For" ip address list.
|
566 | *
|
567 | * For example if the value were "client, proxy1, proxy2"
|
568 | * you would receive the array `["client", "proxy1", "proxy2"]`
|
569 | * where "proxy2" is the furthest down-stream.
|
570 | */
|
571 | ips: string[];
|
572 |
|
573 | /**
|
574 | * Return subdomains as an array.
|
575 | *
|
576 | * Subdomains are the dot-separated parts of the host before the main domain of
|
577 | * the app. By default, the domain of the app is assumed to be the last two
|
578 | * parts of the host. This can be changed by setting "subdomain offset".
|
579 | *
|
580 | * For example, if the domain is "tobi.ferrets.example.com":
|
581 | * If "subdomain offset" is not set, req.subdomains is `["ferrets", "tobi"]`.
|
582 | * If "subdomain offset" is 3, req.subdomains is `["tobi"]`.
|
583 | */
|
584 | subdomains: string[];
|
585 |
|
586 | /**
|
587 | * Short-hand for `url.parse(req.url).pathname`.
|
588 | */
|
589 | path: string;
|
590 |
|
591 | /**
|
592 | * Parse the "Host" header field hostname.
|
593 | */
|
594 | hostname: string;
|
595 |
|
596 | /**
|
597 | * @deprecated Use hostname instead.
|
598 | */
|
599 | host: string;
|
600 |
|
601 | /**
|
602 | * Check if the request is fresh, aka
|
603 | * Last-Modified and/or the ETag
|
604 | * still match.
|
605 | */
|
606 | fresh: boolean;
|
607 |
|
608 | /**
|
609 | * Check if the request is stale, aka
|
610 | * "Last-Modified" and / or the "ETag" for the
|
611 | * resource has changed.
|
612 | */
|
613 | stale: boolean;
|
614 |
|
615 | /**
|
616 | * Check if the request was an _XMLHttpRequest_.
|
617 | */
|
618 | xhr: boolean;
|
619 |
|
620 | //body: { username: string; password: string; remember: boolean; title: string; };
|
621 | body: ReqBody;
|
622 |
|
623 | //cookies: { string; remember: boolean; };
|
624 | cookies: any;
|
625 |
|
626 | method: string;
|
627 |
|
628 | params: P;
|
629 |
|
630 | query: ReqQuery;
|
631 |
|
632 | route: any;
|
633 |
|
634 | signedCookies: any;
|
635 |
|
636 | originalUrl: string;
|
637 |
|
638 | url: string;
|
639 |
|
640 | baseUrl: string;
|
641 |
|
642 | app: Application;
|
643 |
|
644 | /**
|
645 | * After middleware.init executed, Request will contain res and next properties
|
646 | * See: express/lib/middleware/init.js
|
647 | */
|
648 | res?: Response<ResBody, Locals> | undefined;
|
649 | next?: NextFunction | undefined;
|
650 | }
|
651 |
|
652 | export interface MediaType {
|
653 | value: string;
|
654 | quality: number;
|
655 | type: string;
|
656 | subtype: string;
|
657 | }
|
658 |
|
659 | export type Send<ResBody = any, T = Response<ResBody>> = (body?: ResBody) => T;
|
660 |
|
661 | export interface Response<
|
662 | ResBody = any,
|
663 | Locals extends Record<string, any> = Record<string, any>,
|
664 | StatusCode extends number = number
|
665 | > extends http.ServerResponse,
|
666 | Express.Response {
|
667 | /**
|
668 | * Set status `code`.
|
669 | */
|
670 | status(code: StatusCode): this;
|
671 |
|
672 | /**
|
673 | * Set the response HTTP status code to `statusCode` and send its string representation as the response body.
|
674 | * @link http://expressjs.com/4x/api.html#res.sendStatus
|
675 | *
|
676 | * Examples:
|
677 | *
|
678 | * res.sendStatus(200); // equivalent to res.status(200).send('OK')
|
679 | * res.sendStatus(403); // equivalent to res.status(403).send('Forbidden')
|
680 | * res.sendStatus(404); // equivalent to res.status(404).send('Not Found')
|
681 | * res.sendStatus(500); // equivalent to res.status(500).send('Internal Server Error')
|
682 | */
|
683 | sendStatus(code: StatusCode): this;
|
684 |
|
685 | /**
|
686 | * Set Link header field with the given `links`.
|
687 | *
|
688 | * Examples:
|
689 | *
|
690 | * res.links({
|
691 | * next: 'http://api.example.com/users?page=2',
|
692 | * last: 'http://api.example.com/users?page=5'
|
693 | * });
|
694 | */
|
695 | links(links: any): this;
|
696 |
|
697 | /**
|
698 | * Send a response.
|
699 | *
|
700 | * Examples:
|
701 | *
|
702 | * res.send(new Buffer('wahoo'));
|
703 | * res.send({ some: 'json' });
|
704 | * res.send('<p>some html</p>');
|
705 | * res.status(404).send('Sorry, cant find that');
|
706 | */
|
707 | send: Send<ResBody, this>;
|
708 |
|
709 | /**
|
710 | * Send JSON response.
|
711 | *
|
712 | * Examples:
|
713 | *
|
714 | * res.json(null);
|
715 | * res.json({ user: 'tj' });
|
716 | * res.status(500).json('oh noes!');
|
717 | * res.status(404).json('I dont have that');
|
718 | */
|
719 | json: Send<ResBody, this>;
|
720 |
|
721 | /**
|
722 | * Send JSON response with JSONP callback support.
|
723 | *
|
724 | * Examples:
|
725 | *
|
726 | * res.jsonp(null);
|
727 | * res.jsonp({ user: 'tj' });
|
728 | * res.status(500).jsonp('oh noes!');
|
729 | * res.status(404).jsonp('I dont have that');
|
730 | */
|
731 | jsonp: Send<ResBody, this>;
|
732 |
|
733 | /**
|
734 | * Transfer the file at the given `path`.
|
735 | *
|
736 | * Automatically sets the _Content-Type_ response header field.
|
737 | * The callback `fn(err)` is invoked when the transfer is complete
|
738 | * or when an error occurs. Be sure to check `res.headersSent`
|
739 | * if you wish to attempt responding, as the header and some data
|
740 | * may have already been transferred.
|
741 | *
|
742 | * Options:
|
743 | *
|
744 | * - `maxAge` defaulting to 0 (can be string converted by `ms`)
|
745 | * - `root` root directory for relative filenames
|
746 | * - `headers` object of headers to serve with file
|
747 | * - `dotfiles` serve dotfiles, defaulting to false; can be `"allow"` to send them
|
748 | *
|
749 | * Other options are passed along to `send`.
|
750 | *
|
751 | * Examples:
|
752 | *
|
753 | * The following example illustrates how `res.sendFile()` may
|
754 | * be used as an alternative for the `static()` middleware for
|
755 | * dynamic situations. The code backing `res.sendFile()` is actually
|
756 | * the same code, so HTTP cache support etc is identical.
|
757 | *
|
758 | * app.get('/user/:uid/photos/:file', function(req, res){
|
759 | * var uid = req.params.uid
|
760 | * , file = req.params.file;
|
761 | *
|
762 | * req.user.mayViewFilesFrom(uid, function(yes){
|
763 | * if (yes) {
|
764 | * res.sendFile('/uploads/' + uid + '/' + file);
|
765 | * } else {
|
766 | * res.send(403, 'Sorry! you cant see that.');
|
767 | * }
|
768 | * });
|
769 | * });
|
770 | *
|
771 | * @api public
|
772 | */
|
773 | sendFile(path: string, fn?: Errback): void;
|
774 | sendFile(path: string, options: any, fn?: Errback): void;
|
775 |
|
776 | /**
|
777 | * @deprecated Use sendFile instead.
|
778 | */
|
779 | sendfile(path: string): void;
|
780 | /**
|
781 | * @deprecated Use sendFile instead.
|
782 | */
|
783 | sendfile(path: string, options: any): void;
|
784 | /**
|
785 | * @deprecated Use sendFile instead.
|
786 | */
|
787 | sendfile(path: string, fn: Errback): void;
|
788 | /**
|
789 | * @deprecated Use sendFile instead.
|
790 | */
|
791 | sendfile(path: string, options: any, fn: Errback): void;
|
792 |
|
793 | /**
|
794 | * Transfer the file at the given `path` as an attachment.
|
795 | *
|
796 | * Optionally providing an alternate attachment `filename`,
|
797 | * and optional callback `fn(err)`. The callback is invoked
|
798 | * when the data transfer is complete, or when an error has
|
799 | * ocurred. Be sure to check `res.headersSent` if you plan to respond.
|
800 | *
|
801 | * The optional options argument passes through to the underlying
|
802 | * res.sendFile() call, and takes the exact same parameters.
|
803 | *
|
804 | * This method uses `res.sendfile()`.
|
805 | */
|
806 | download(path: string, fn?: Errback): void;
|
807 | download(path: string, filename: string, fn?: Errback): void;
|
808 | download(path: string, filename: string, options: any, fn?: Errback): void;
|
809 |
|
810 | /**
|
811 | * Set _Content-Type_ response header with `type` through `mime.lookup()`
|
812 | * when it does not contain "/", or set the Content-Type to `type` otherwise.
|
813 | *
|
814 | * Examples:
|
815 | *
|
816 | * res.type('.html');
|
817 | * res.type('html');
|
818 | * res.type('json');
|
819 | * res.type('application/json');
|
820 | * res.type('png');
|
821 | */
|
822 | contentType(type: string): this;
|
823 |
|
824 | /**
|
825 | * Set _Content-Type_ response header with `type` through `mime.lookup()`
|
826 | * when it does not contain "/", or set the Content-Type to `type` otherwise.
|
827 | *
|
828 | * Examples:
|
829 | *
|
830 | * res.type('.html');
|
831 | * res.type('html');
|
832 | * res.type('json');
|
833 | * res.type('application/json');
|
834 | * res.type('png');
|
835 | */
|
836 | type(type: string): this;
|
837 |
|
838 | /**
|
839 | * Respond to the Acceptable formats using an `obj`
|
840 | * of mime-type callbacks.
|
841 | *
|
842 | * This method uses `req.accepted`, an array of
|
843 | * acceptable types ordered by their quality values.
|
844 | * When "Accept" is not present the _first_ callback
|
845 | * is invoked, otherwise the first match is used. When
|
846 | * no match is performed the server responds with
|
847 | * 406 "Not Acceptable".
|
848 | *
|
849 | * Content-Type is set for you, however if you choose
|
850 | * you may alter this within the callback using `res.type()`
|
851 | * or `res.set('Content-Type', ...)`.
|
852 | *
|
853 | * res.format({
|
854 | * 'text/plain': function(){
|
855 | * res.send('hey');
|
856 | * },
|
857 | *
|
858 | * 'text/html': function(){
|
859 | * res.send('<p>hey</p>');
|
860 | * },
|
861 | *
|
862 | * 'appliation/json': function(){
|
863 | * res.send({ message: 'hey' });
|
864 | * }
|
865 | * });
|
866 | *
|
867 | * In addition to canonicalized MIME types you may
|
868 | * also use extnames mapped to these types:
|
869 | *
|
870 | * res.format({
|
871 | * text: function(){
|
872 | * res.send('hey');
|
873 | * },
|
874 | *
|
875 | * html: function(){
|
876 | * res.send('<p>hey</p>');
|
877 | * },
|
878 | *
|
879 | * json: function(){
|
880 | * res.send({ message: 'hey' });
|
881 | * }
|
882 | * });
|
883 | *
|
884 | * By default Express passes an `Error`
|
885 | * with a `.status` of 406 to `next(err)`
|
886 | * if a match is not made. If you provide
|
887 | * a `.default` callback it will be invoked
|
888 | * instead.
|
889 | */
|
890 | format(obj: any): this;
|
891 |
|
892 | /**
|
893 | * Set _Content-Disposition_ header to _attachment_ with optional `filename`.
|
894 | */
|
895 | attachment(filename?: string): this;
|
896 |
|
897 | /**
|
898 | * Set header `field` to `val`, or pass
|
899 | * an object of header fields.
|
900 | *
|
901 | * Examples:
|
902 | *
|
903 | * res.set('Foo', ['bar', 'baz']);
|
904 | * res.set('Accept', 'application/json');
|
905 | * res.set({ Accept: 'text/plain', 'X-API-Key': 'tobi' });
|
906 | *
|
907 | * Aliased as `res.header()`.
|
908 | */
|
909 | set(field: any): this;
|
910 | set(field: string, value?: string | string[]): this;
|
911 |
|
912 | header(field: any): this;
|
913 | header(field: string, value?: string | string[]): this;
|
914 |
|
915 | // Property indicating if HTTP headers has been sent for the response.
|
916 | headersSent: boolean;
|
917 |
|
918 | /** Get value for header `field`. */
|
919 | get(field: string): string;
|
920 |
|
921 | /** Clear cookie `name`. */
|
922 | clearCookie(name: string, options?: any): this;
|
923 |
|
924 | /**
|
925 | * Set cookie `name` to `val`, with the given `options`.
|
926 | *
|
927 | * Options:
|
928 | *
|
929 | * - `maxAge` max-age in milliseconds, converted to `expires`
|
930 | * - `signed` sign the cookie
|
931 | * - `path` defaults to "/"
|
932 | *
|
933 | * Examples:
|
934 | *
|
935 | * // "Remember Me" for 15 minutes
|
936 | * res.cookie('rememberme', '1', { expires: new Date(Date.now() + 900000), httpOnly: true });
|
937 | *
|
938 | * // save as above
|
939 | * res.cookie('rememberme', '1', { maxAge: 900000, httpOnly: true })
|
940 | */
|
941 | cookie(name: string, val: string, options: CookieOptions): this;
|
942 | cookie(name: string, val: any, options: CookieOptions): this;
|
943 | cookie(name: string, val: any): this;
|
944 |
|
945 | /**
|
946 | * Set the location header to `url`.
|
947 | *
|
948 | * The given `url` can also be the name of a mapped url, for
|
949 | * example by default express supports "back" which redirects
|
950 | * to the _Referrer_ or _Referer_ headers or "/".
|
951 | *
|
952 | * Examples:
|
953 | *
|
954 | * res.location('/foo/bar').;
|
955 | * res.location('http://example.com');
|
956 | * res.location('../login'); // /blog/post/1 -> /blog/login
|
957 | *
|
958 | * Mounting:
|
959 | *
|
960 | * When an application is mounted and `res.location()`
|
961 | * is given a path that does _not_ lead with "/" it becomes
|
962 | * relative to the mount-point. For example if the application
|
963 | * is mounted at "/blog", the following would become "/blog/login".
|
964 | *
|
965 | * res.location('login');
|
966 | *
|
967 | * While the leading slash would result in a location of "/login":
|
968 | *
|
969 | * res.location('/login');
|
970 | */
|
971 | location(url: string): this;
|
972 |
|
973 | /**
|
974 | * Redirect to the given `url` with optional response `status`
|
975 | * defaulting to 302.
|
976 | *
|
977 | * The resulting `url` is determined by `res.location()`, so
|
978 | * it will play nicely with mounted apps, relative paths,
|
979 | * `"back"` etc.
|
980 | *
|
981 | * Examples:
|
982 | *
|
983 | * res.redirect('/foo/bar');
|
984 | * res.redirect('http://example.com');
|
985 | * res.redirect(301, 'http://example.com');
|
986 | * res.redirect('http://example.com', 301);
|
987 | * res.redirect('../login'); // /blog/post/1 -> /blog/login
|
988 | */
|
989 | redirect(url: string): void;
|
990 | redirect(status: number, url: string): void;
|
991 | redirect(url: string, status: number): void;
|
992 |
|
993 | /**
|
994 | * Render `view` with the given `options` and optional callback `fn`.
|
995 | * When a callback function is given a response will _not_ be made
|
996 | * automatically, otherwise a response of _200_ and _text/html_ is given.
|
997 | *
|
998 | * Options:
|
999 | *
|
1000 | * - `cache` boolean hinting to the engine it should cache
|
1001 | * - `filename` filename of the view being rendered
|
1002 | */
|
1003 | render(view: string, options?: object, callback?: (err: Error, html: string) => void): void;
|
1004 | render(view: string, callback?: (err: Error, html: string) => void): void;
|
1005 |
|
1006 | locals: Locals;
|
1007 |
|
1008 | charset: string;
|
1009 |
|
1010 | /**
|
1011 | * Adds the field to the Vary response header, if it is not there already.
|
1012 | * Examples:
|
1013 | *
|
1014 | * res.vary('User-Agent').render('docs');
|
1015 | *
|
1016 | */
|
1017 | vary(field: string): this;
|
1018 |
|
1019 | app: Application;
|
1020 |
|
1021 | /**
|
1022 | * Appends the specified value to the HTTP response header field.
|
1023 | * If the header is not already set, it creates the header with the specified value.
|
1024 | * The value parameter can be a string or an array.
|
1025 | *
|
1026 | * Note: calling res.set() after res.append() will reset the previously-set header value.
|
1027 | *
|
1028 | * @since 4.11.0
|
1029 | */
|
1030 | append(field: string, value?: string[] | string): this;
|
1031 |
|
1032 | /**
|
1033 | * After middleware.init executed, Response will contain req property
|
1034 | * See: express/lib/middleware/init.js
|
1035 | */
|
1036 | req: Request;
|
1037 | }
|
1038 |
|
1039 | export interface Handler extends RequestHandler {}
|
1040 |
|
1041 | export type RequestParamHandler = (req: Request, res: Response, next: NextFunction, value: any, name: string) => any;
|
1042 |
|
1043 | export type ApplicationRequestHandler<T> = IRouterHandler<T> &
|
1044 | IRouterMatcher<T> &
|
1045 | ((...handlers: RequestHandlerParams[]) => T);
|
1046 |
|
1047 | export interface Application extends EventEmitter, IRouter, Express.Application {
|
1048 | /**
|
1049 | * Express instance itself is a request handler, which could be invoked without
|
1050 | * third argument.
|
1051 | */
|
1052 | (req: Request | http.IncomingMessage, res: Response | http.ServerResponse): any;
|
1053 |
|
1054 | /**
|
1055 | * Initialize the server.
|
1056 | *
|
1057 | * - setup default configuration
|
1058 | * - setup default middleware
|
1059 | * - setup route reflection methods
|
1060 | */
|
1061 | init(): void;
|
1062 |
|
1063 | /**
|
1064 | * Initialize application configuration.
|
1065 | */
|
1066 | defaultConfiguration(): void;
|
1067 |
|
1068 | /**
|
1069 | * Register the given template engine callback `fn`
|
1070 | * as `ext`.
|
1071 | *
|
1072 | * By default will `require()` the engine based on the
|
1073 | * file extension. For example if you try to render
|
1074 | * a "foo.jade" file Express will invoke the following internally:
|
1075 | *
|
1076 | * app.engine('jade', require('jade').__express);
|
1077 | *
|
1078 | * For engines that do not provide `.__express` out of the box,
|
1079 | * or if you wish to "map" a different extension to the template engine
|
1080 | * you may use this method. For example mapping the EJS template engine to
|
1081 | * ".html" files:
|
1082 | *
|
1083 | * app.engine('html', require('ejs').renderFile);
|
1084 | *
|
1085 | * In this case EJS provides a `.renderFile()` method with
|
1086 | * the same signature that Express expects: `(path, options, callback)`,
|
1087 | * though note that it aliases this method as `ejs.__express` internally
|
1088 | * so if you're using ".ejs" extensions you dont need to do anything.
|
1089 | *
|
1090 | * Some template engines do not follow this convention, the
|
1091 | * [Consolidate.js](https://github.com/visionmedia/consolidate.js)
|
1092 | * library was created to map all of node's popular template
|
1093 | * engines to follow this convention, thus allowing them to
|
1094 | * work seamlessly within Express.
|
1095 | */
|
1096 | engine(
|
1097 | ext: string,
|
1098 | fn: (path: string, options: object, callback: (e: any, rendered?: string) => void) => void,
|
1099 | ): this;
|
1100 |
|
1101 | /**
|
1102 | * Assign `setting` to `val`, or return `setting`'s value.
|
1103 | *
|
1104 | * app.set('foo', 'bar');
|
1105 | * app.get('foo');
|
1106 | * // => "bar"
|
1107 | * app.set('foo', ['bar', 'baz']);
|
1108 | * app.get('foo');
|
1109 | * // => ["bar", "baz"]
|
1110 | *
|
1111 | * Mounted servers inherit their parent server's settings.
|
1112 | */
|
1113 | set(setting: string, val: any): this;
|
1114 | get: ((name: string) => any) & IRouterMatcher<this>;
|
1115 |
|
1116 | param(name: string | string[], handler: RequestParamHandler): this;
|
1117 |
|
1118 | /**
|
1119 | * Alternatively, you can pass only a callback, in which case you have the opportunity to alter the app.param()
|
1120 | *
|
1121 | * @deprecated since version 4.11
|
1122 | */
|
1123 | param(callback: (name: string, matcher: RegExp) => RequestParamHandler): this;
|
1124 |
|
1125 | /**
|
1126 | * Return the app's absolute pathname
|
1127 | * based on the parent(s) that have
|
1128 | * mounted it.
|
1129 | *
|
1130 | * For example if the application was
|
1131 | * mounted as "/admin", which itself
|
1132 | * was mounted as "/blog" then the
|
1133 | * return value would be "/blog/admin".
|
1134 | */
|
1135 | path(): string;
|
1136 |
|
1137 | /**
|
1138 | * Check if `setting` is enabled (truthy).
|
1139 | *
|
1140 | * app.enabled('foo')
|
1141 | * // => false
|
1142 | *
|
1143 | * app.enable('foo')
|
1144 | * app.enabled('foo')
|
1145 | * // => true
|
1146 | */
|
1147 | enabled(setting: string): boolean;
|
1148 |
|
1149 | /**
|
1150 | * Check if `setting` is disabled.
|
1151 | *
|
1152 | * app.disabled('foo')
|
1153 | * // => true
|
1154 | *
|
1155 | * app.enable('foo')
|
1156 | * app.disabled('foo')
|
1157 | * // => false
|
1158 | */
|
1159 | disabled(setting: string): boolean;
|
1160 |
|
1161 | /** Enable `setting`. */
|
1162 | enable(setting: string): this;
|
1163 |
|
1164 | /** Disable `setting`. */
|
1165 | disable(setting: string): this;
|
1166 |
|
1167 | /**
|
1168 | * Render the given view `name` name with `options`
|
1169 | * and a callback accepting an error and the
|
1170 | * rendered template string.
|
1171 | *
|
1172 | * Example:
|
1173 | *
|
1174 | * app.render('email', { name: 'Tobi' }, function(err, html){
|
1175 | * // ...
|
1176 | * })
|
1177 | */
|
1178 | render(name: string, options?: object, callback?: (err: Error, html: string) => void): void;
|
1179 | render(name: string, callback: (err: Error, html: string) => void): void;
|
1180 |
|
1181 | /**
|
1182 | * Listen for connections.
|
1183 | *
|
1184 | * A node `http.Server` is returned, with this
|
1185 | * application (which is a `Function`) as its
|
1186 | * callback. If you wish to create both an HTTP
|
1187 | * and HTTPS server you may do so with the "http"
|
1188 | * and "https" modules as shown here:
|
1189 | *
|
1190 | * var http = require('http')
|
1191 | * , https = require('https')
|
1192 | * , express = require('express')
|
1193 | * , app = express();
|
1194 | *
|
1195 | * http.createServer(app).listen(80);
|
1196 | * https.createServer({ ... }, app).listen(443);
|
1197 | */
|
1198 | listen(port: number, hostname: string, backlog: number, callback?: () => void): http.Server;
|
1199 | listen(port: number, hostname: string, callback?: () => void): http.Server;
|
1200 | listen(port: number, callback?: () => void): http.Server;
|
1201 | listen(callback?: () => void): http.Server;
|
1202 | listen(path: string, callback?: () => void): http.Server;
|
1203 | listen(handle: any, listeningListener?: () => void): http.Server;
|
1204 |
|
1205 | router: string;
|
1206 |
|
1207 | settings: any;
|
1208 |
|
1209 | resource: any;
|
1210 |
|
1211 | map: any;
|
1212 |
|
1213 | locals: Record<string, any>;
|
1214 |
|
1215 | /**
|
1216 | * The app.routes object houses all of the routes defined mapped by the
|
1217 | * associated HTTP verb. This object may be used for introspection
|
1218 | * capabilities, for example Express uses this internally not only for
|
1219 | * routing but to provide default OPTIONS behaviour unless app.options()
|
1220 | * is used. Your application or framework may also remove routes by
|
1221 | * simply by removing them from this object.
|
1222 | */
|
1223 | routes: any;
|
1224 |
|
1225 | /**
|
1226 | * Used to get all registered routes in Express Application
|
1227 | */
|
1228 | _router: any;
|
1229 |
|
1230 | use: ApplicationRequestHandler<this>;
|
1231 |
|
1232 | /**
|
1233 | * The mount event is fired on a sub-app, when it is mounted on a parent app.
|
1234 | * The parent app is passed to the callback function.
|
1235 | *
|
1236 | * NOTE:
|
1237 | * Sub-apps will:
|
1238 | * - Not inherit the value of settings that have a default value. You must set the value in the sub-app.
|
1239 | * - Inherit the value of settings with no default value.
|
1240 | */
|
1241 | on: (event: string, callback: (parent: Application) => void) => this;
|
1242 |
|
1243 | /**
|
1244 | * The app.mountpath property contains one or more path patterns on which a sub-app was mounted.
|
1245 | */
|
1246 | mountpath: string | string[];
|
1247 | }
|
1248 |
|
1249 | export interface Express extends Application {
|
1250 | request: Request;
|
1251 | response: Response;
|
1252 | }
|