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Feat: add some overloads for StoreSetter
Summary
At the moment typescript only allow the following signatures for SetStoreFunction interface;
(setter): void;
(k1, setter): void;
(k1, k2, setter): void;
(k1, k2, k3, setter): void;
(k1, k2, k3, k4, setter): void;
(k1, k2, k3, k4, k5, setter): void;
(k1, k2, k3, k4, k5, k6, setter): void;
(k1, k2, k3, k4, k5, k6, k7, setter): void;
(k1, k2, k3, k4, k5, k6, k7, ...rest): void;
I'm hidding the type because it's not relevant for the discussion. Said another way, at the moment, the interface only allow for:
- exactly 1 arg
- exactly 2 args
- exactly 3 args
- exactly 4 args
- exactly 5 args
- exactly 6 args
- exactly 7 args
- exactly 8 args
- 8 or more args.
My proposition is to add overload for the cases:
- 1 or more args
- 2 or more args
- 3 or more args
- ...
- 7 or more args
So that it would be legal to write :
const [, setUsers1] = createStore(
[] as { id: number; firstName: string; lastName: Date; nickName: string; adresse: string }[]
);
const setUser1 = (id: number, ...rest: any) => setUsers1(user => user.id === id, ...rest);
Breaking change:
Adding support for those cases means that this does not error anymore
const [, setStore] = createStore({ data: ["a", 1] as [string, number] });
// Does Not Error anymore
setStore("data", 0, 3);
// Does Not Error anymore
setStore("data", 1, "world");
The reason for that is that the rest of the overload 1+ typing is not smart enough to inspect the second argument so it thinks that he is looking at a (string | number)[]. I say it is not a big deal to lose this safety and it was a safety we didn't provide for case 8+ before my change anyway.
How did you test this change?
Commented the 2 failing tests Added some test for the new signatures pnpm test
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Details
- 0 of 0 changed or added relevant lines in 0 files are covered.
- No unchanged relevant lines lost coverage.
- Overall coverage remained the same at 88.248%
| Totals | |
|---|---|
| Change from base Build 4172941315: | 0.0% |
| Covered Lines: | 1300 |
| Relevant Lines: | 1397 |