wehub-resource-sync
59 lines
1.9 KiB
TypeScript
59 lines
1.9 KiB
TypeScript
import { useLayoutEffect, useMemo, useRef, useState } from 'react';
|
||
import { useDraggableSheet } from './useDraggableSheet';
|
||
import { computeMapTabSheetSnaps } from '../utils/mapSheetSnaps';
|
||
|
||
/**
|
||
* 「我 / 贡献」Tab Sheet：peek / **中间档 50% 屏高** / full 顶满；进入时吸附第三档（盖住搜索栏）。
|
||
* 中间档与「本地生活脉搏」（约 20%）不同。
|
||
*
|
||
* 须在**同一次** layout 回调里根据实测容器高度写入 snaps 并 setHeight(full)。
|
||
* 若拆成两个 useLayoutEffect，会先按默认 full=700 执行 setHeight 并打标「已初始化」，
|
||
* 实测 full（如 h-48）到来后只会 Math.min 卡在 700，导致默认高度低于「顶满」吸附点。
|
||
*/
|
||
export function useMapTabBottomSheet(containerRef: React.RefObject<HTMLElement | null>) {
|
||
const [snaps, setSnaps] = useState({ peek: 72, middle: 160, full: 700 });
|
||
|
||
const snapArray = useMemo(
|
||
() => [snaps.peek, snaps.middle, snaps.full],
|
||
[snaps.peek, snaps.middle, snaps.full],
|
||
);
|
||
|
||
const { height, setHeight, isDragging, pointerHandlers } = useDraggableSheet({
|
||
snapPoints: snapArray,
|
||
initialHeight: snaps.full,
|
||
minHeight: 56,
|
||
maxHeight: snaps.full,
|
||
});
|
||
|
||
const initialFullAppliedRef = useRef(false);
|
||
|
||
useLayoutEffect(() => {
|
||
const el = containerRef.current;
|
||
if (!el) return;
|
||
const update = () => {
|
||
const h = el.clientHeight;
|
||
if (h <= 0) return;
|
||
const next = computeMapTabSheetSnaps(h);
|
||
setSnaps(next);
|
||
if (!initialFullAppliedRef.current) {
|
||
setHeight(next.full);
|
||
initialFullAppliedRef.current = true;
|
||
} else {
|
||
setHeight((cur) => Math.min(cur, next.full));
|
||
}
|
||
};
|
||
update();
|
||
const ro = new ResizeObserver(update);
|
||
ro.observe(el);
|
||
return () => ro.disconnect();
|
||
}, [setHeight]);
|
||
|
||
return {
|
||
snaps,
|
||
sheetHeight: height,
|
||
setSheetHeight: setHeight,
|
||
isDragging,
|
||
pointerHandlers,
|
||
};
|
||
}
|