9.chunk.js:113347 src/data/combineReducers.ts
TypeScript error in src/data/combineReducers.ts(3,47):
Type 'R[K]' does not satisfy the constraint '(...args: any) => any'.
Type 'R[keyof R]' is not assignable to type '(...args: any) => any'.
Type 'R[string] | R[number] | R[symbol]' is not assignable to type '(...args: any) => any'.
Type 'R[string]' is not assignable to type '(...args: any) => any'. TS2344
1 | export function combineReducers<R extends any>(reducers: R) {
2 | type keys = keyof typeof reducers;
> 3 | type returnType = { [K in keys]: ReturnType<typeof reducers[K]> }
| ^
4 | const combinedReducer = (state: any, action: any) => {
5 | const newState: returnType = {} as any;
6 | const keys = Object.keys(reducers);
console.<computed> @ 9.chunk.js:113347
9.chunk.js:113347 src/data/combineReducers.ts
TypeScript error in src/data/combineReducers.ts(6,30):
No overload matches this call.
Overload 1 of 2, '(o: {}): string[]', gave the following error.
Argument of type 'R' is not assignable to parameter of type '{}'.
Type 'unknown' is not assignable to type '{}'.
Overload 2 of 2, '(o: object): string[]', gave the following error.
Argument of type 'R' is not assignable to parameter of type 'object'.
Type 'unknown' is not assignable to type 'object'. TS2769
4 | const combinedReducer = (state: any, action: any) => {
5 | const newState: returnType = {} as any;
> 6 | const keys = Object.keys(reducers);
| ^
7 | keys.forEach(key => {
8 | const result = reducers[key](state[key], action);
9 | newState[key as keys] = result || state[key];
console.<computed> @ 9.chunk.js:113347
9.chunk.js:113347 src/data/combineReducers.ts
TypeScript error in src/data/combineReducers.ts(8,22):
Element implicitly has an 'any' type because expression of type 'string' can't be used to index type 'unknown'.
No index signature with a parameter of type 'string' was found on type 'unknown'. TS7053
6 | const keys = Object.keys(reducers);
7 | keys.forEach(key => {
> 8 | const result = reducers[key](state[key], action);
| ^
9 | newState[key as keys] = result || state[key];
10 | });
11 | return newState;
console.<computed> @ 9.chunk.js:113347
9.chunk.js:113347 src/pages/About.tsx
TypeScript error in src/pages/About.tsx(15,21):
Argument of type 'MouseEvent' is not assignable to parameter of type 'SetStateAction<undefined>'.
Type 'MouseEvent' provides no match for the signature '(prevState: undefined): undefined'. TS2345
13 |
14 | const presentPopover = (e: React.MouseEvent) => {
> 15 | setPopoverEvent(e.nativeEvent);
| ^
16 | setShowPopover(true);
17 | };
18 | const conferenceDate = '2047-05-17';
React
Typescript
Django
Laravel
Facebook
Microsoft
Google
Alibaba
D3
Tencent
