55 lines
1.3 KiB
TypeScript
55 lines
1.3 KiB
TypeScript
import { createContext, useContext } from 'react';
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export type MoreComponentsKey =
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'PhotosRoot' |
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'PhotosGrid';
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export interface MoreComponentsStateForKey {
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indexToView: number
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indexLoaded: number
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isLoading: boolean
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lastIndexToLoad?: number
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haveAttemptsPerRequestBeenExceeded: boolean
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components: JSX.Element[]
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}
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export const createInitialStateForKey =
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(): MoreComponentsStateForKey => ({
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indexToView: 0,
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indexLoaded: 0,
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isLoading: false,
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haveAttemptsPerRequestBeenExceeded: false,
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components: [],
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});
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export type MoreComponentsState = Record<
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MoreComponentsKey,
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MoreComponentsStateForKey
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>;
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export type MoreComponentsStateForKeyArgument =
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Partial<MoreComponentsStateForKey> |
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((existingValue: MoreComponentsStateForKey) => MoreComponentsStateForKey);
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export interface MoreComponentsContext {
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state: MoreComponentsState
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setStateForKey: (
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key: MoreComponentsKey,
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state: MoreComponentsStateForKeyArgument,
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) => void
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}
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export const MORE_COMPONENTS_INITIAL_STATE: MoreComponentsState = {
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PhotosRoot: createInitialStateForKey(),
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PhotosGrid: createInitialStateForKey(),
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};
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export const MoreComponentsContext =
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createContext<MoreComponentsContext>({
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state: MORE_COMPONENTS_INITIAL_STATE,
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setStateForKey: () => {},
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});
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export const useMoreComponentsState = () =>
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useContext(MoreComponentsContext);
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