19 lines
620 B
TypeScript
19 lines
620 B
TypeScript
import * as React from 'react';
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export interface ServerTime {
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setOffset: (v: number) => void;
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now: () => number;
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}
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const Context = React.createContext<ServerTime>(Object.seal({ setOffset: () => {}, now: Date.now }));
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export function ServerTimeProvider<P>(props: React.PropsWithChildren<P>) {
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const [offset, setOffset] = React.useState(0);
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const value = React.useMemo(() => Object.seal({ setOffset, now: () => Date.now() + offset }), [offset]);
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return <Context.Provider value={value}>{props.children}</Context.Provider>;
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}
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export function useServerTime() {
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return React.useContext(Context);
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}
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