PresenceChild.mjs
2.36 KB
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"use client";
import { jsx } from 'react/jsx-runtime';
import * as React from 'react';
import { useId, useMemo } from 'react';
import { PresenceContext } from '../../context/PresenceContext.mjs';
import { useConstant } from '../../utils/use-constant.mjs';
import { PopChild } from './PopChild.mjs';
const PresenceChild = ({ children, initial, isPresent, onExitComplete, custom, presenceAffectsLayout, mode, anchorX, anchorY, root }) => {
const presenceChildren = useConstant(newChildrenMap);
const id = useId();
let isReusedContext = true;
let context = useMemo(() => {
isReusedContext = false;
return {
id,
initial,
isPresent,
custom,
onExitComplete: (childId) => {
presenceChildren.set(childId, true);
for (const isComplete of presenceChildren.values()) {
if (!isComplete)
return; // can stop searching when any is incomplete
}
onExitComplete && onExitComplete();
},
register: (childId) => {
presenceChildren.set(childId, false);
return () => presenceChildren.delete(childId);
},
};
}, [isPresent, presenceChildren, onExitComplete]);
/**
* If the presence of a child affects the layout of the components around it,
* we want to make a new context value to ensure they get re-rendered
* so they can detect that layout change.
*/
if (presenceAffectsLayout && isReusedContext) {
context = { ...context };
}
useMemo(() => {
presenceChildren.forEach((_, key) => presenceChildren.set(key, false));
}, [isPresent]);
/**
* If there's no `motion` components to fire exit animations, we want to remove this
* component immediately.
*/
React.useEffect(() => {
!isPresent &&
!presenceChildren.size &&
onExitComplete &&
onExitComplete();
}, [isPresent]);
children = (jsx(PopChild, { pop: mode === "popLayout", isPresent: isPresent, anchorX: anchorX, anchorY: anchorY, root: root, children: children }));
return (jsx(PresenceContext.Provider, { value: context, children: children }));
};
function newChildrenMap() {
return new Map();
}
export { PresenceChild };
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