1 | // Project: https://github.com/wheresrhys/fetch-mock, http://www.wheresrhys.co.uk/fetch-mock
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2 | // Definitions by: Alexey Svetliakov <https://github.com/asvetliakov>
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3 | // Tamir Duberstein <https://github.com/tamird>
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4 | // Risto Keravuori <https://github.com/merrywhether>
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5 | // Chris Sinclair <https://github.com/chrissinclair>
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6 | // Matt Tennison <https://github.com/matttennison>
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7 | // Quentin Bouygues <https://github.com/quentinbouygues>
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8 | // Fumiaki Matsushima <https://github.com/mtsmfm>
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9 | // Colin Doig <https://github.com/captain-igloo>
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10 | // Felix Chen <https://github.com/ChenNima>
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11 | // Katsuya Hino <https://github.com/dobogo>
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12 | //
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13 | // Please note that I - wheresrys - don't use Typescript
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14 | // These types have ben copied in here as a convenience for (some of)
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15 | // fetch-mock's users
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16 | // If you are a Typescript user and find a problem in these types, please
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17 | // submit a PR
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18 | //
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19 | // TypeScript Version: 2.2
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20 |
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21 | declare namespace fetchMock {
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22 | type MockRequest = Request | RequestInit;
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23 |
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24 | /**
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25 | * Mock matcher function
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26 | */
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27 | type MockMatcherFunction = (url: string, opts: MockRequest) => boolean;
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28 |
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29 |
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30 | type MockMatcherUrl = string | RegExp;
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31 |
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32 |
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33 | /**
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34 | * Mock matcher. Can be one of following:
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35 | * string: Either
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36 | * * an exact url to match e.g. 'http://www.site.com/page.html'
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37 | * * if the string begins with a `^`, the string following the `^` must
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38 | * begin the url e.g. '^http://www.site.com' would match
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39 | * 'http://www.site.com' or 'http://www.site.com/page.html'
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40 | * * '*' to match any url
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41 | * RegExp: A regular expression to test the url against
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42 | * Function(url, opts): A function (returning a Boolean) that is passed the
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43 | * url and opts fetch() is called with (or, if fetch() was called with one,
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44 | * the Request instance)
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45 | */
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46 | type MockMatcher = MockMatcherUrl | MockMatcherFunction;
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47 |
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48 | /**
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49 | * Inspection filter. Can be one of the following:
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50 | * boolean:
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51 | * * true retrieves all calls matched by fetch.
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52 | * fetchMock.MATCHED is an alias for true and may be used to make tests
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53 | * more readable.
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54 | * * false retrieves all calls not matched by fetch (i.e. those handled
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55 | * by catch() or spy(). fetchMock.UNMATCHED is an alias for false and
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56 | * may be used to make tests more readable.
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57 | * MockMatcher (routeIdentifier):
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58 | * All routes have an identifier:
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59 | * * If it’s a named route, the identifier is the route’s name
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60 | * * If the route is unnamed, the identifier is the matcher passed in to
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61 | * .mock()
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62 | * All calls that were handled by the route with the given identifier
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63 | * will be retrieved
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64 | * MockMatcher (matcher):
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65 | * Any matcher compatible with the mocking api can be passed in to filter
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66 | * the calls arbitrarily.
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67 | */
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68 | type InspectionFilter = MockMatcher | boolean;
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69 |
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70 | /**
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71 | * Either an object compatible with the mocking api or a string specifying
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72 | * a http method to filter by. This will be used to filter the list of
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73 | * calls further.
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74 | */
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75 | type InspectionOptions = MockOptions | string;
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76 |
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77 | /**
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78 | * Mock response object
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79 | */
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80 | interface MockResponseObject {
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81 | /**
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82 | * Set the response body
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83 | */
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84 | body?: string | {};
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85 |
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86 | /**
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87 | * Set the response status
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88 | * @default 200
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89 | */
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90 | status?: number;
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91 |
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92 | /**
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93 | * Set the response headers.
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94 | */
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95 | headers?: { [key: string]: string };
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96 |
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97 | /**
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98 | * If this property is present then a Promise rejected with the value
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99 | * of throws is returned
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100 | */
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101 | throws?: Error;
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102 |
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103 | /**
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104 | * The URL the response should be from (to imitate followed redirects
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105 | * - will set redirected: true on the response)
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106 | */
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107 | redirectUrl?: string;
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108 | }
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109 |
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110 | /**
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111 | * Response: A Response instance - will be used unaltered
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112 | * number: Creates a response with this status
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113 | * string: Creates a 200 response with the string as the response body
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114 | * object: As long as the object is not a MockResponseObject it is
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115 | * converted into a json string and returned as the body of a 200 response
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116 | * If MockResponseObject was given then it's used to configure response
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117 | * Function(url, opts): A function that is passed the url and opts fetch()
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118 | * is called with and that returns any of the responses listed above
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119 | */
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120 | type MockResponse = Response | Promise<Response>
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121 | | number | Promise<number>
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122 | | string | Promise<string>
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123 | | {} | Promise<{}>
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124 | | MockResponseObject | Promise<MockResponseObject>;
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125 |
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126 | /**
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127 | * Mock response function
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128 | */
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129 | type MockResponseFunction = (url: string, opts: MockRequest) => MockResponse;
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130 |
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131 |
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132 | /**
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133 | * Mock options object
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134 | */
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135 | interface MockOptions {
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136 | /**
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137 | * A unique string naming the route. Used to subsequently retrieve
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138 | * references to the calls, grouped by name.
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139 | * @default matcher.toString()
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140 | *
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141 | * Note: If a non-unique name is provided no error will be thrown
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142 | * (because names are optional, auto-generated ones may legitimately
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143 | * clash)
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144 | */
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145 | name?: string;
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146 |
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147 | /**
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148 | * http method to match
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149 | */
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150 | method?: string;
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151 |
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152 | /**
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153 | * key/value map of headers to match
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154 | */
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155 | headers?: { [key: string]: string | number };
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156 |
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157 | /**
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158 | * key/value map of query strings to match, in any order
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159 | */
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160 | query?: { [key: string]: string };
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161 |
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162 | /**
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163 | * key/value map of express style path params to match
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164 | */
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165 | params?: { [key: string]: string };
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166 |
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167 | /**
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168 | * JSON serialisable object literal. Allowing any object for now
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169 | * But in typescript 3.7 will change to JSON
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170 | */
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171 | body?: object;
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172 |
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173 | /**
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174 | * A function for arbitrary matching
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175 | */
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176 | functionMatcher?: MockMatcherFunction;
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177 |
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178 | /**
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179 | * as specified above
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180 | */
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181 | matcher?: MockMatcher;
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182 |
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183 | url?: MockMatcherUrl;
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184 |
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185 | /**
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186 | * This option allows for existing routes in a mock to be overwritten.
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187 | * It’s also possible to define multiple routes with ‘the same’ matcher.
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188 | * Default behaviour is to error
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189 | */
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190 | overwriteRoutes?: boolean;
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191 |
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192 | /**
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193 | * as specified above
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194 | */
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195 | response?: MockResponse | MockResponseFunction;
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196 |
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197 | /**
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198 | * integer, n, limiting the number of times the matcher can be used.
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199 | * If the route has already been called n times the route will be
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200 | * ignored and the call to fetch() will fall through to be handled by
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201 | * any other routes defined (which may eventually result in an error
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202 | * if nothing matches it).
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203 | */
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204 | repeat?: number;
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205 |
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206 | /**
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207 | * integer, n, delays responding for the number of milliseconds
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208 | * specified.
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209 | */
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210 | delay?: number;
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211 |
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212 | /**
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213 | * Convert objects into JSON before delivering as stub responses. Can
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214 | * be useful to set to false globally if e.g. dealing with a lot of
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215 | * array buffers. If true, will also add content-type: application/json
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216 | * header.
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217 | * @default true
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218 | */
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219 | sendAsJson?: boolean;
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220 |
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221 | /**
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222 | * Automatically sets a content-length header on each response.
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223 | * @default true
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224 | */
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225 | includeContentLength?: boolean;
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226 | }
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227 |
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228 | interface MockCall extends Array<string | RequestInit | undefined> {
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229 | 0: string;
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230 | 1: RequestInit | undefined;
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231 | identifier: string;
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232 | isUnmatched: boolean | undefined;
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233 | request: Request | undefined;
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234 | }
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235 |
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236 | interface MockOptionsMethodGet extends MockOptions {
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237 | method?: 'GET';
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238 | }
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239 |
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240 | interface MockOptionsMethodPost extends MockOptions {
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241 | method?: 'POST';
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242 | }
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243 |
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244 | interface MockOptionsMethodPut extends MockOptions {
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245 | method?: 'PUT';
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246 | }
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247 |
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248 | interface MockOptionsMethodDelete extends MockOptions {
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249 | method?: 'DELETE';
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250 | }
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251 |
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252 | interface MockOptionsMethodHead extends MockOptions {
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253 | method?: 'HEAD';
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254 | }
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255 |
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256 | interface FetchMockStatic {
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257 | MATCHED: true;
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258 | UNMATCHED: false;
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259 |
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260 | /**
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261 | * Replaces fetch() with a stub which records its calls, grouped by
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262 | * route, and optionally returns a mocked Response object or passes the
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263 | * call through to fetch(). Calls to .mock() can be chained.
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264 | * @param matcher Condition for selecting which requests to mock
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265 | * @param response Configures the http response returned by the mock
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266 | * @param [options] Additional properties defining the route to mock
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267 | */
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268 | mock(matcher: MockMatcher | MockOptions, response: MockResponse | MockResponseFunction, options?: MockOptions): this;
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269 |
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270 | /**
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271 | * Replaces fetch() with a stub which records its calls, grouped by
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272 | * route, and optionally returns a mocked Response object or passes the
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273 | * call through to fetch(). Calls to .mock() can be chained.
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274 | * @param options The route to mock
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275 | */
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276 | mock(options: MockOptions): this;
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277 |
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278 | /**
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279 | * Replaces fetch() with a stub which records its calls, grouped by
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280 | * route, and optionally returns a mocked Response object or passes the
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281 | * call through to fetch(). Calls to .mock() can be chained.
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282 | * @param options The route to mock
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283 | */
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284 | mock(): this;
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285 |
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286 | /**
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287 | * Returns a drop-in mock for fetch which can be passed to other mocking
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288 | * libraries. It implements the full fetch-mock api and maintains its
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289 | * own state independent of other instances, so tests can be run in
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290 | * parallel.
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291 | */
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292 | sandbox(): FetchMockSandbox;
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293 |
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294 | /**
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295 | * Replaces fetch() with a stub which records its calls, grouped by
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296 | * route, and optionally returns a mocked Response object or passes the
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297 | * call through to fetch(). Shorthand for mock() limited to being
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298 | * called one time only. Calls to .once() can be chained.
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299 | * @param matcher Condition for selecting which requests to mock
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300 | * @param response Configures the http response returned by the mock
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301 | * @param [options] Optional additional properties defining the route to mock
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302 | */
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303 | once(matcher: MockMatcher, response: MockResponse | MockResponseFunction, options?: MockOptions): this;
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304 |
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305 | /**
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306 | * Replaces fetch() with a stub which records its calls, grouped by
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307 | * route, and optionally returns a mocked Response object or passes the
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308 | * call through to fetch(). Shorthand for mock() restricted to the GET
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309 | * method. Calls to .get() can be chained.
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310 | * @param matcher Condition for selecting which requests to mock
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311 | * @param response Configures the http response returned by the mock
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312 | * @param [options] Additional properties defining the route to mock
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313 | */
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314 | get(matcher: MockMatcher, response: MockResponse | MockResponseFunction, options?: MockOptionsMethodGet): this;
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315 |
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316 | /**
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317 | * Replaces fetch() with a stub which records its calls, grouped by
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318 | * route, and optionally returns a mocked Response object or passes the
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319 | * call through to fetch(). Shorthand for mock() restricted to the GET
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320 | * method and limited to being called one time only. Calls to .getOnce()
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321 | * can be chained.
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322 | * @param matcher Condition for selecting which requests to mock
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323 | * @param response Configures the http response returned by the mock
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324 | * @param [options] Additional properties defining the route to mock
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325 | */
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326 | getOnce(matcher: MockMatcher, response: MockResponse | MockResponseFunction, options?: MockOptionsMethodGet): this;
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327 |
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328 | /**
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329 | * Replaces fetch() with a stub which records its calls, grouped by
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330 | * route, and optionally returns a mocked Response object or passes the
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331 | * call through to fetch(). Shorthand for mock() restricted to the POST
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332 | * method. Calls to .post() can be chained.
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333 | * @param matcher Condition for selecting which requests to mock
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334 | * @param response Configures the http response returned by the mock
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335 | * @param [options] Additional properties defining the route to mock
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336 | */
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337 | post(matcher: MockMatcher, response: MockResponse | MockResponseFunction, options?: MockOptionsMethodPost): this;
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338 |
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339 | /**
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340 | * Replaces fetch() with a stub which records its calls, grouped by
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341 | * route, and optionally returns a mocked Response object or passes the
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342 | * call through to fetch(). Shorthand for mock() restricted to the POST
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343 | * method and limited to being called one time only. Calls to .postOnce()
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344 | * can be chained.
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345 | * @param matcher Condition for selecting which requests to mock
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346 | * @param response Configures the http response returned by the mock
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347 | * @param [options] Additional properties defining the route to mock
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348 | */
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349 | postOnce(matcher: MockMatcher, response: MockResponse | MockResponseFunction, options?: MockOptionsMethodPost): this;
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350 |
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351 | /**
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352 | * Replaces fetch() with a stub which records its calls, grouped by
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353 | * route, and optionally returns a mocked Response object or passes the
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354 | * call through to fetch(). Shorthand for mock() restricted to the PUT
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355 | * method. Calls to .put() can be chained.
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356 | * @param matcher Condition for selecting which requests to mock
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357 | * @param response Configures the http response returned by the mock
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358 | * @param [options] Additional properties defining the route to mock
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359 | */
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360 | put(matcher: MockMatcher, response: MockResponse | MockResponseFunction, options?: MockOptionsMethodPut): this;
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361 |
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362 | /**
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363 | * Replaces fetch() with a stub which records its calls, grouped by
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364 | * route, and optionally returns a mocked Response object or passes the
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365 | * call through to fetch(). Shorthand for mock() restricted to the PUT
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366 | * method and limited to being called one time only. Calls to .putOnce()
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367 | * can be chained.
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368 | * @param matcher Condition for selecting which requests to mock
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369 | * @param response Configures the http response returned by the mock
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370 | * @param [options] Additional properties defining the route to mock
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371 | */
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372 | putOnce(matcher: MockMatcher, response: MockResponse | MockResponseFunction, options?: MockOptionsMethodPut): this;
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373 |
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374 | /**
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375 | * Replaces fetch() with a stub which records its calls, grouped by
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376 | * route, and optionally returns a mocked Response object or passes the
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377 | * call through to fetch(). Shorthand for mock() restricted to the
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378 | * DELETE method. Calls to .delete() can be chained.
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379 | * @param matcher Condition for selecting which requests to mock
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380 | * @param response Configures the http response returned by the mock
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381 | * @param [options] Additional properties defining the route to mock
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382 | */
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383 | delete(matcher: MockMatcher, response: MockResponse | MockResponseFunction, options?: MockOptionsMethodDelete): this;
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384 |
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385 | /**
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386 | * Replaces fetch() with a stub which records its calls, grouped by
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387 | * route, and optionally returns a mocked Response object or passes the
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388 | * call through to fetch(). Shorthand for mock() restricted to the
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389 | * DELETE method and limited to being called one time only. Calls to
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390 | * .deleteOnce() can be chained.
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391 | * @param matcher Condition for selecting which requests to mock
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392 | * @param response Configures the http response returned by the mock
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393 | * @param [options] Additional properties defining the route to mock
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394 | */
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395 | deleteOnce(matcher: MockMatcher, response: MockResponse | MockResponseFunction, options?: MockOptionsMethodDelete): this;
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396 |
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397 | /**
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398 | * Replaces fetch() with a stub which records its calls, grouped by
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399 | * route, and optionally returns a mocked Response object or passes the
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400 | * call through to fetch(). Shorthand for mock() restricted to the HEAD
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401 | * method. Calls to .head() can be chained.
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402 | * @param matcher Condition for selecting which requests to mock
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403 | * @param response Configures the http response returned by the mock
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404 | * @param [options] Additional properties defining the route to mock
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405 | */
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406 | head(matcher: MockMatcher, response: MockResponse | MockResponseFunction, options?: MockOptionsMethodHead): this;
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407 |
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408 | /**
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409 | * Replaces fetch() with a stub which records its calls, grouped by
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410 | * route, and optionally returns a mocked Response object or passes the
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411 | * call through to fetch(). Shorthand for mock() restricted to the HEAD
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412 | * method and limited to being called one time only. Calls to .headOnce()
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413 | * can be chained.
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414 | * @param matcher Condition for selecting which requests to mock
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415 | * @param response Configures the http response returned by the mock
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416 | * @param [options] Additional properties defining the route to mock
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417 | */
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418 | headOnce(matcher: MockMatcher, response: MockResponse | MockResponseFunction, options?: MockOptionsMethodHead): this;
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419 |
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420 | /**
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421 | * Replaces fetch() with a stub which records its calls, grouped by
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422 | * route, and optionally returns a mocked Response object or passes the
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423 | * call through to fetch(). Shorthand for mock() restricted to the PATCH
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424 | * method. Calls to .patch() can be chained.
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425 | * @param matcher Condition for selecting which requests to mock
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426 | * @param response Configures the http response returned by the mock
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427 | * @param [options] Additional properties defining the route to mock
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428 | */
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429 | patch(matcher: MockMatcher, response: MockResponse | MockResponseFunction, options?: MockOptionsMethodHead): this;
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430 |
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431 | /**
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432 | * Replaces fetch() with a stub which records its calls, grouped by
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433 | * route, and optionally returns a mocked Response object or passes the
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434 | * call through to fetch(). Shorthand for mock() restricted to the PATCH
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435 | * method and limited to being called one time only. Calls to .patchOnce()
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436 | * can be chained.
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437 | * @param matcher Condition for selecting which requests to mock
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438 | * @param response Configures the http response returned by the mock
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439 | * @param [options] Additional properties defining the route to mock
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440 | */
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441 | patchOnce(matcher: MockMatcher, response: MockResponse | MockResponseFunction, options?: MockOptionsMethodHead): this;
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442 |
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443 | /**
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444 | * Chainable method that defines how to respond to calls to fetch that
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445 | * don't match any of the defined mocks. It accepts the same types of
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446 | * response as a normal call to .mock(matcher, response). It can also
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447 | * take an arbitrary function to completely customise behaviour of
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448 | * unmatched calls. If .catch() is called without any parameters then
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449 | * every unmatched call will receive a 200 response.
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450 | * @param [response] Configures the http response returned by the mock
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451 | */
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452 | catch(response?: MockResponse | MockResponseFunction): this;
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453 |
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454 | /**
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455 | * Chainable method that records the call history of unmatched calls,
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456 | * but instead of responding with a stubbed response, the request is
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457 | * passed through to native fetch() and is allowed to communicate
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458 | * over the network. Similar to catch().
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459 | */
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460 | spy(response?: MockResponse | MockResponseFunction): this;
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461 |
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462 | /**
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463 | * Restores fetch() to its unstubbed state and clears all data recorded
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464 | * for its calls. reset() is an alias for restore().
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465 | */
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466 | restore(): this;
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467 |
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468 | /**
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469 | * Restores fetch() to its unstubbed state and clears all data recorded
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470 | * for its calls. reset() is an alias for restore().
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471 | */
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472 | reset(): this;
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473 |
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474 | /**
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475 | * Clears all data recorded for fetch()’s calls. It will not restore
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476 | * fetch to its default implementation.
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477 | */
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478 | resetHistory(): this;
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479 |
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480 | /**
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481 | * Removes mocking behaviour without resetting call history.
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482 | */
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483 | resetBehavior(): this;
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484 |
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485 | /**
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486 | * Returns a promise that resolves once all fetches handled by fetch-mock
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487 | * have resolved.
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488 | * @param [waitForBody] Wait for all body parsing methods(res.json(),
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489 | * res.text(), etc.) to resolve too.
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490 | */
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491 | flush(waitForBody?: boolean): Promise<MockResponse[]>;
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492 |
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493 | /**
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494 | * Returns an array of all calls to fetch matching the given filters.
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495 | * Each call is returned as a [url, options] array. If fetch was called
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496 | * using a Request instance, this will be available as a request
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497 | * property on this array.
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498 | * @param [filter] Allows filtering of calls to fetch based on various
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499 | * criteria
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500 | * @param [options] Either an object compatible with the mocking api or
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501 | * a string specifying a http method to filter by. This will be used to
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502 | * filter the list of calls further.
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503 | */
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504 | calls(filter?: InspectionFilter, options?: InspectionOptions): MockCall[];
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505 |
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506 | /**
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507 | * Returns a Boolean indicating whether any calls to fetch matched the
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508 | * given filter.
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509 | * @param [filter] Allows filtering of calls to fetch based on various
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510 | * criteria
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511 | * @param [options] Either an object compatible with the mocking api or
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512 | * a string specifying a http method to filter by. This will be used to
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513 | * filter the list of calls further.
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514 | */
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515 | called(filter?: InspectionFilter, options?: InspectionOptions): boolean;
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516 |
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517 | /**
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518 | * Returns a Boolean indicating whether fetch was called the expected
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519 | * number of times (or has been called at least once if repeat is
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520 | * undefined for the route).
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521 | * @param [filter] Rule for matching calls to fetch.
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522 | */
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523 | done(filter?: InspectionFilter): boolean;
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524 |
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525 | /**
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526 | * Returns the arguments for the last call to fetch matching the given
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527 | * filter.
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528 | * @param [filter] Allows filtering of calls to fetch based on various
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529 | * criteria
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530 | * @param [options] Either an object compatible with the mocking api or
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531 | * a string specifying a http method to filter by. This will be used to
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532 | * filter the list of calls further.
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533 | */
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534 | lastCall(
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535 | filter?: InspectionFilter,
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536 | options?: InspectionOptions,
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537 | ): MockCall | undefined;
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538 |
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539 | /**
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540 | * Returns the url for the last call to fetch matching the given
|
541 | * filter. If fetch was last called using a Request instance, the url
|
542 | * will be extracted from this.
|
543 | * @param [filter] Allows filtering of calls to fetch based on various
|
544 | * criteria
|
545 | * @param [options] Either an object compatible with the mocking api or
|
546 | * a string specifying a http method to filter by. This will be used to
|
547 | * filter the list of calls further.
|
548 | */
|
549 | lastUrl(
|
550 | filter?: InspectionFilter,
|
551 | options?: InspectionOptions,
|
552 | ): string | undefined;
|
553 |
|
554 | /**
|
555 | * Returns the options for the call to fetch matching the given filter.
|
556 | * If fetch was last called using a Request instance, a set of options
|
557 | * inferred from the Request will be returned.
|
558 | * @param [filter] Allows filtering of calls to fetch based on various
|
559 | * criteria
|
560 | * @param [options] Either an object compatible with the mocking api or
|
561 | * a string specifying a http method to filter by. This will be used to
|
562 | * filter the list of calls further.
|
563 | */
|
564 | lastOptions(
|
565 | filter?: InspectionFilter,
|
566 | options?: InspectionOptions,
|
567 | ): MockOptions | undefined;
|
568 |
|
569 | config: {
|
570 | /**
|
571 | * Convert objects into JSON before delivering as stub responses.
|
572 | * Can be useful to set to false globally if e.g. dealing with a
|
573 | * lot of array buffers. If true, will also add
|
574 | * content-type: application/json header.
|
575 | * @default true
|
576 | */
|
577 | sendAsJson?: boolean;
|
578 |
|
579 | /**
|
580 | * Automatically sets a content-length header on each response.
|
581 | * @default true
|
582 | */
|
583 | includeContentLength?: boolean;
|
584 |
|
585 | /**
|
586 | * - true: Unhandled calls fall through to the network
|
587 | * - false: Unhandled calls throw an error
|
588 | * - 'always': All calls fall through to the network, effectively
|
589 | * disabling fetch-mock.
|
590 | * @default false
|
591 | */
|
592 | fallbackToNetwork?: boolean | 'always';
|
593 |
|
594 | /**
|
595 | * Determines behaviour if a new route has the same name (or
|
596 | * inferred name) as an existing one
|
597 | * - undefined: An error will be throw when routes clash
|
598 | * - true: Overwrites the existing route
|
599 | * - false: Appends the new route to the list of routes
|
600 | * @default undefined
|
601 | */
|
602 | overwriteRoutes?: boolean;
|
603 |
|
604 | /**
|
605 | * Print a warning if any call is caught by a fallback handler (set
|
606 | * using the fallbackToNetwork option or catch())
|
607 | * @default true
|
608 | */
|
609 | warnOnFallback?: boolean;
|
610 |
|
611 | /**
|
612 | * Reference to the Promise constructor of a custom Promise
|
613 | * implementation.
|
614 | */
|
615 | Promise?: new (executor: (
|
616 | resolve: () => void,
|
617 | reject: () => void,
|
618 | ) => void) => Promise<Response>;
|
619 |
|
620 | /**
|
621 | * Reference to a custom fetch implementation.
|
622 | */
|
623 | fetch?: (
|
624 | input?: string | Request,
|
625 | init?: RequestInit,
|
626 | ) => Promise<Response>;
|
627 |
|
628 | /**
|
629 | * Reference to the Headers constructor of a custom fetch
|
630 | * implementation.
|
631 | */
|
632 | Headers?: new () => Headers;
|
633 |
|
634 | /**
|
635 | * Reference to the Request constructor of a custom fetch
|
636 | * implementation.
|
637 | */
|
638 | Request?: new (input: string | Request, init?: RequestInit) => Request;
|
639 |
|
640 | /**
|
641 | * Reference to the Response constructor of a custom fetch
|
642 | * implementation.
|
643 | */
|
644 | Response?: new () => Response;
|
645 | };
|
646 | }
|
647 |
|
648 | interface FetchMockSandbox extends FetchMockStatic {
|
649 | /**
|
650 | * Also callable as fetch(). Use `typeof fetch` in your code to define
|
651 | * a field that accepts both `fetch()` and a fetch-mock sandbox.
|
652 | */
|
653 | (input?: string | Request , init?: RequestInit): Promise<Response>;
|
654 | }
|
655 | }
|
656 |
|
657 | declare var fetchMock: fetchMock.FetchMockStatic;
|
658 | export = fetchMock;
|