50 lines
1.3 KiB
TypeScript
50 lines
1.3 KiB
TypeScript
// Copyright 2017-2025 @polkadot/app-coretime authors & contributors
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// SPDX-License-Identifier: Apache-2.0
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import type { ReactNode } from 'react';
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import type { ApiPromise } from '@polkadot/api';
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import type { CoretimeInformation } from '@polkadot/react-hooks/types';
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import React, { createContext, useContext, useMemo } from 'react';
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import { useCoretimeInformation } from '@polkadot/react-hooks';
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import { createGet } from './utils/index.js';
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interface CoretimeContextProps {
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coretimeInfo: CoretimeInformation | null;
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get: ReturnType<typeof createGet> | null;
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}
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const CoretimeContext = createContext<CoretimeContextProps>({
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coretimeInfo: null,
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get: null
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});
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export const CoretimeProvider = ({ api,
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children,
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isApiReady }: {
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children: ReactNode;
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api: ApiPromise;
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isApiReady: boolean;
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}) => {
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const coretimeInfo = useCoretimeInformation(api, isApiReady);
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const get = useMemo(() => {
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if (coretimeInfo?.constants) {
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return createGet(coretimeInfo.constants);
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}
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return null;
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}, [coretimeInfo?.constants]);
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const value = useMemo(() => ({ coretimeInfo: coretimeInfo ?? null, get }), [coretimeInfo, get]);
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return (
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<CoretimeContext.Provider value={value}>
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{children}
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</CoretimeContext.Provider>
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);
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};
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export const useCoretimeContext = () => useContext(CoretimeContext);
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