Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 | 3x 3x 3x 43x 43x 43x 43x 43x 43x 43x 6x 6x 43x 35x 6x 29x 29x 29x 2x 29x 43x 35x 29x 6x 5x 4x 6x 6x 1x | import { useEffect, useReducer, useRef } from 'react';
import { useMomentContext } from '../MomentContext';
import type { MomentProps, PoolEntry } from '../types';
/**
* Drives periodic re-renders for Moment formatting, mirroring the `<Moment>`
* component's interval and pooled-timer lifecycle.
*/
export function useMomentUpdate(
props: MomentProps,
onTick?: (currentProps: MomentProps) => void
): void {
const { pool } = useMomentContext();
const propsRef = useRef<MomentProps>(props);
propsRef.current = props;
const onTickRef = useRef(onTick);
onTickRef.current = onTick;
const [, bump] = useReducer((n: number) => n + 1, 0);
const triggerUpdate = useRef(() => {
bump();
onTickRef.current?.(propsRef.current);
});
useEffect(() => {
if (pool) {
return undefined;
}
Iif (props.interval === 0) {
return undefined;
}
const intervalMs = props.interval ?? 60000;
const timer = setInterval(() => {
triggerUpdate.current();
}, intervalMs);
return () => {
clearInterval(timer);
};
}, [pool, props.interval]);
useEffect(() => {
if (!pool) {
return undefined;
}
const entry: PoolEntry = {
getProps: () => propsRef.current,
update: () => triggerUpdate.current()
};
pool.add(entry);
return () => {
pool.remove(entry);
};
// eslint-disable-next-line react-hooks/exhaustive-deps
}, [pool]);
}
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