33 lines
809 B
TypeScript
33 lines
809 B
TypeScript
/**
|
|
* Resettable state storage.
|
|
* @example
|
|
* ```
|
|
* const state = new ImperativeState(() => {
|
|
* foo: undefined as string | undefined,
|
|
* bar: [] as number[],
|
|
* baz: 1 as number | undefined,
|
|
* });
|
|
*
|
|
* state.records.foo = "hi";
|
|
* console.log(state.records.foo); // prints "hi";
|
|
* state.reset();
|
|
* console.log(state.records.foo); // prints "default";
|
|
*
|
|
* // typeof state.records:
|
|
* // {
|
|
* // foo: string | undefined, // actual: undefined
|
|
* // bar: number[], // actual: []
|
|
* // baz: number | undefined, // actual: 1
|
|
* // }
|
|
* ```
|
|
*/
|
|
export declare class ImperativeState<S extends Record<string, unknown>> {
|
|
private init;
|
|
records: S;
|
|
/**
|
|
* @param init - Function that creates the default state.
|
|
*/
|
|
constructor(init: () => S);
|
|
reset(): void;
|
|
}
|