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| 1 | +thislessFunctionsNotContextSensitive1.ts(25,3): error TS2345: Argument of type 'false' is not assignable to parameter of type 'true'. |
| 2 | +thislessFunctionsNotContextSensitive1.ts(143,13): error TS2345: Argument of type '"value"' is not assignable to parameter of type 'never'. |
| 3 | +thislessFunctionsNotContextSensitive1.ts(176,3): error TS2820: Type '"$test6"' is not assignable to type 'ExtractFields<{ target: "$test6"; data1: { $test1: number; $test2: null; }; data2: { $test3: {}; $test4: () => void; $test5(): void; }; }> | undefined'. Did you mean '"$test4"'? |
| 4 | + |
| 5 | + |
| 6 | +==== thislessFunctionsNotContextSensitive1.ts (3 errors) ==== |
| 7 | + // https://github.com/microsoft/TypeScript/issues/62204 |
| 8 | + |
| 9 | + declare function TestConfig<const TConfig extends { a?: any; b?: any; c?: any }>( |
| 10 | + config: TConfig, |
| 11 | + test: keyof Omit<TConfig, "a" | "b"> extends never ? true : false, |
| 12 | + ): void; |
| 13 | + |
| 14 | + TestConfig( |
| 15 | + { |
| 16 | + a: "hello", |
| 17 | + b: function () { |
| 18 | + return 123; |
| 19 | + }, |
| 20 | + }, |
| 21 | + true, |
| 22 | + ); |
| 23 | + |
| 24 | + TestConfig( |
| 25 | + { |
| 26 | + a: "hello", |
| 27 | + b: function () { |
| 28 | + return 123; |
| 29 | + }, |
| 30 | + }, |
| 31 | + false, // error |
| 32 | + ~~~~~ |
| 33 | +!!! error TS2345: Argument of type 'false' is not assignable to parameter of type 'true'. |
| 34 | + ); |
| 35 | + |
| 36 | + // https://github.com/microsoft/TypeScript/issues/60986 |
| 37 | + interface SubscribeFieldOptions<Event> { |
| 38 | + subscribe: () => Event; |
| 39 | + resolve: (event: Event) => number; |
| 40 | + } |
| 41 | + |
| 42 | + declare function defineOptions<Event>( |
| 43 | + options: SubscribeFieldOptions<Event>, |
| 44 | + ): void; |
| 45 | + |
| 46 | + defineOptions({ |
| 47 | + resolve: (event) => event, // number |
| 48 | + subscribe() { |
| 49 | + return 123; |
| 50 | + }, |
| 51 | + }); |
| 52 | + |
| 53 | + defineOptions({ |
| 54 | + resolve: (event) => event, // number |
| 55 | + subscribe: function () { |
| 56 | + return 123; |
| 57 | + }, |
| 58 | + }); |
| 59 | + |
| 60 | + // https://github.com/microsoft/TypeScript/issues/58630 |
| 61 | + |
| 62 | + export type StateFunction<State> = (s: State, ...args: any[]) => any; |
| 63 | + |
| 64 | + export type VuexStoreOptions<State, Modules> = { |
| 65 | + state?: State | (() => State) | { (): State }; |
| 66 | + mutations?: Record<string, StateFunction<State>>; |
| 67 | + modules?: { |
| 68 | + [k in keyof Modules]: VuexStoreOptions<Modules[k], never>; |
| 69 | + }; |
| 70 | + }; |
| 71 | + |
| 72 | + export function createStore< |
| 73 | + State extends Record<string, unknown>, |
| 74 | + Modules extends Record<string, Record<string, unknown>>, |
| 75 | + >(options: VuexStoreOptions<State, Modules>) {} |
| 76 | + |
| 77 | + const store = createStore({ |
| 78 | + state() { |
| 79 | + return { bar2: 1 }; |
| 80 | + }, |
| 81 | + mutations: { inc: (state123) => state123.bar2++ }, |
| 82 | + modules: { |
| 83 | + foo: { |
| 84 | + state() { |
| 85 | + return { bar2: 1 }; |
| 86 | + }, |
| 87 | + mutations: { inc: (state) => state.bar2++ }, |
| 88 | + }, |
| 89 | + }, |
| 90 | + }); |
| 91 | + |
| 92 | + // https://github.com/microsoft/TypeScript/issues/57572 |
| 93 | + |
| 94 | + type C = <Methods, Attached = (methods: Methods) => void>(options: { |
| 95 | + methods: Methods; |
| 96 | + attached: Attached; |
| 97 | + }) => any; |
| 98 | + |
| 99 | + var Component: C = () => {}; |
| 100 | + |
| 101 | + Component({ |
| 102 | + attached(methods) { |
| 103 | + methods.bbb(); // ok |
| 104 | + }, |
| 105 | + methods: { |
| 106 | + bbb() {}, |
| 107 | + }, |
| 108 | + }); |
| 109 | + |
| 110 | + Component({ |
| 111 | + attached(methods) { |
| 112 | + methods.bbb(); // ok |
| 113 | + }, |
| 114 | + methods: { |
| 115 | + bbb: () => {}, |
| 116 | + }, |
| 117 | + }); |
| 118 | + |
| 119 | + // https://github.com/microsoft/TypeScript/issues/56067 |
| 120 | + |
| 121 | + declare function create56067< |
| 122 | + State extends Record<string, any>, |
| 123 | + Data extends Record<string, any>, |
| 124 | + Actions extends (state: State, data: Data) => Record<string, any>, |
| 125 | + >(args: { getState: () => State; actions: Actions; getData: () => Data }): void; |
| 126 | + |
| 127 | + create56067({ |
| 128 | + getState() { |
| 129 | + return { a: 1 }; |
| 130 | + }, |
| 131 | + getData: () => { |
| 132 | + return { b: 2 }; |
| 133 | + }, |
| 134 | + actions(state, data) { |
| 135 | + state // { a: number } |
| 136 | + data; // { b: number } |
| 137 | + return { |
| 138 | + z: 1, |
| 139 | + }; |
| 140 | + }, |
| 141 | + }); |
| 142 | + |
| 143 | + // https://github.com/microsoft/TypeScript/issues/55489 |
| 144 | + type NonStringIterable<T> = |
| 145 | + T extends string ? never : T extends Iterable<any> ? T : never; |
| 146 | + |
| 147 | + declare function doSomething<T>(value: NonStringIterable<T>): T; |
| 148 | + |
| 149 | + const o = { foo() {} }; |
| 150 | + |
| 151 | + doSomething('value'); // error |
| 152 | + ~~~~~~~ |
| 153 | +!!! error TS2345: Argument of type '"value"' is not assignable to parameter of type 'never'. |
| 154 | + doSomething(['v']); // ok |
| 155 | + doSomething([o]); // ok |
| 156 | + doSomething([{ foo() {} }]); // ok |
| 157 | + |
| 158 | + // https://github.com/microsoft/TypeScript/issues/55124 |
| 159 | + type Values<T> = T[keyof T]; |
| 160 | + type ExtractFields<Options> = Values<{ |
| 161 | + [K in keyof Options]: Options[K] extends object ? keyof Options[K] : never; |
| 162 | + }>; |
| 163 | + type SetType<Options> = { |
| 164 | + [key: string]: any; |
| 165 | + target?: ExtractFields<Options>; |
| 166 | + }; |
| 167 | + |
| 168 | + declare function test55124<OptionsData extends SetType<OptionsData>>( |
| 169 | + options: OptionsData, |
| 170 | + ): void; |
| 171 | + |
| 172 | + test55124({ |
| 173 | + target: "$test4", // ok |
| 174 | + data1: { |
| 175 | + $test1: 111, |
| 176 | + $test2: null, |
| 177 | + }, |
| 178 | + data2: { |
| 179 | + $test3: {}, |
| 180 | + $test4: () => {}, |
| 181 | + $test5() {}, |
| 182 | + }, |
| 183 | + }); |
| 184 | + |
| 185 | + test55124({ |
| 186 | + target: "$test6", // error |
| 187 | + ~~~~~~ |
| 188 | +!!! error TS2820: Type '"$test6"' is not assignable to type 'ExtractFields<{ target: "$test6"; data1: { $test1: number; $test2: null; }; data2: { $test3: {}; $test4: () => void; $test5(): void; }; }> | undefined'. Did you mean '"$test4"'? |
| 189 | +!!! related TS6500 thislessFunctionsNotContextSensitive1.ts:155:3: The expected type comes from property 'target' which is declared here on type 'SetType<{ target: "$test6"; data1: { $test1: number; $test2: null; }; data2: { $test3: {}; $test4: () => void; $test5(): void; }; }>' |
| 190 | + data1: { |
| 191 | + $test1: 111, |
| 192 | + $test2: null, |
| 193 | + }, |
| 194 | + data2: { |
| 195 | + $test3: {}, |
| 196 | + $test4: () => {}, |
| 197 | + $test5() {}, |
| 198 | + }, |
| 199 | + }); |
| 200 | + |
| 201 | + // https://github.com/microsoft/TypeScript/issues/53924 |
| 202 | + function test53924<T = unknown>(options: { a: (c: T) => void; b: () => T }) {} |
| 203 | + |
| 204 | + test53924({ |
| 205 | + a: (c) => { |
| 206 | + c; // number; |
| 207 | + }, |
| 208 | + b: () => 123, |
| 209 | + }); |
| 210 | + |
| 211 | + test53924({ |
| 212 | + b: () => 123, |
| 213 | + a: (c) => { |
| 214 | + return c; // number |
| 215 | + }, |
| 216 | + }); |
| 217 | + |
| 218 | + test53924({ |
| 219 | + b() { |
| 220 | + return 123; |
| 221 | + }, |
| 222 | + a(c) { |
| 223 | + return c; // number |
| 224 | + }, |
| 225 | + }); |
| 226 | + |
| 227 | + test53924({ |
| 228 | + a(c) { |
| 229 | + return c; // number |
| 230 | + }, |
| 231 | + b() { |
| 232 | + return 123; |
| 233 | + }, |
| 234 | + }); |
| 235 | + |
| 236 | + // https://github.com/microsoft/TypeScript/issues/50258 |
| 237 | + declare function monitor<T extends (...args: any) => any>( |
| 238 | + extractor: (...args: Parameters<T>) => Record<string, unknown>, |
| 239 | + executor: T, |
| 240 | + ): (...args: Parameters<T>) => ReturnType<T>; |
| 241 | + |
| 242 | + monitor( |
| 243 | + (p) => ({ p }), // { p: number } |
| 244 | + (p: number) => p, |
| 245 | + ); |
| 246 | + monitor( |
| 247 | + (p) => ({ p }), // { p: number } |
| 248 | + function (p: number) { |
| 249 | + return p; |
| 250 | + }, |
| 251 | + ); |
| 252 | + |
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