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Add type signatures to asyncReactive

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This commit is contained in:
Henrik Giesel 2021-03-22 15:30:35 +01:00
parent 6ec721d550
commit a418d36c7f
1 changed files with 6 additions and 6 deletions
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12
ts/sveltelib/asyncReactive.ts
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@ -12,14 +12,14 @@ function useAsyncReactive<T, E>(
): AsyncReativeData<T, E> { ): AsyncReativeData<T, E> {
const promise = derived( const promise = derived(
dependencies, dependencies,
(_, set: (value: Promise<T> | null) => void) => set(asyncFunction()), (_, set: (value: Promise<T> | null) => void): void => set(asyncFunction()),
// initialize with null to avoid duplicate fetch on init // initialize with null to avoid duplicate fetch on init
null null
); );
const value = derived( const value = derived(
promise, promise,
($promise, set: (value: T) => void) => { ($promise, set: (value: T) => void): void => {
$promise?.then((value: T) => set(value)); $promise?.then((value: T) => set(value));
}, },
null null
@ -27,18 +27,18 @@ function useAsyncReactive<T, E>(
const error = derived( const error = derived(
promise, promise,
($promise, set: (error: E | null) => void) => { ($promise, set: (error: E | null) => void): (() => void) => {
$promise?.catch((error: E) => set(error)); $promise?.catch((error: E) => set(error));
return () => set(null); return (): void => set(null);
}, },
null null
); );
const loading = derived( const loading = derived(
promise, promise,
($promise, set: (value: boolean) => void) => { ($promise, set: (value: boolean) => void): (() => void) => {
$promise?.finally(() => set(false)); $promise?.finally(() => set(false));
return () => set(true); return (): void => set(true);
}, },
true true
); );