Jon Staab
21 lines
592 B
TypeScript
21 lines
592 B
TypeScript
import {Readable, Writable} from "svelte/store"
|
|
|
|
export const getter = <T>(store: Readable<T>) => {
|
|
let value: T
|
|
|
|
store.subscribe((newValue: T) => {
|
|
value = newValue
|
|
})
|
|
|
|
return () => value
|
|
}
|
|
|
|
export type WritableWithGetter<T> = Writable<T> & {get: () => T}
|
|
export type ReadableWithGetter<T> = Readable<T> & {get: () => T}
|
|
|
|
export function withGetter<T>(store: Writable<T>): WritableWithGetter<T>
|
|
export function withGetter<T>(store: Readable<T>): ReadableWithGetter<T>
|
|
export function withGetter<T>(store: Readable<T> | Writable<T>) {
|
|
return {...store, get: getter<T>(store)}
|
|
}
|