26 lines
943 B
TypeScript
26 lines
943 B
TypeScript
import { type Atom } from 'jotai/vanilla';
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/**
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* in milliseconds
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*/
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type CreatedAt = number;
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type ShouldRemove<Param> = (createdAt: CreatedAt, param: Param) => boolean;
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type Cleanup = () => void;
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type Callback<Param, AtomType> = (event: {
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type: 'CREATE' | 'REMOVE';
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param: Param;
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atom: AtomType;
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}) => void;
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export interface AtomFamily<Param, AtomType> {
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(param: Param): AtomType;
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getParams(): Iterable<Param>;
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remove(param: Param): void;
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setShouldRemove(shouldRemove: ShouldRemove<Param> | null): void;
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/**
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* fires when a atom is created or removed
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* This API is for advanced use cases, and can change without notice.
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*/
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unstable_listen(callback: Callback<Param, AtomType>): Cleanup;
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}
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export declare function atomFamily<Param, AtomType extends Atom<unknown>>(initializeAtom: (param: Param) => AtomType, areEqual?: (a: Param, b: Param) => boolean): AtomFamily<Param, AtomType>;
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export {};
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