35 lines
1.8 KiB
Plaintext
35 lines
1.8 KiB
Plaintext
"use client";
|
|
import { jsx } from 'react/jsx-runtime';
|
|
import { isMotionValue } from 'motion-dom';
|
|
import { invariant } from 'motion-utils';
|
|
import { forwardRef, useContext } from 'react';
|
|
import { ReorderContext } from '../../context/ReorderContext.mjs';
|
|
import { motion } from '../../render/components/motion/proxy.mjs';
|
|
import { useConstant } from '../../utils/use-constant.mjs';
|
|
import { useMotionValue } from '../../value/use-motion-value.mjs';
|
|
import { useTransform } from '../../value/use-transform.mjs';
|
|
|
|
function useDefaultMotionValue(value, defaultValue = 0) {
|
|
return isMotionValue(value) ? value : useMotionValue(defaultValue);
|
|
}
|
|
function ReorderItemComponent({ children, style = {}, value, as = "li", onDrag, layout = true, ...props }, externalRef) {
|
|
const Component = useConstant(() => motion[as]);
|
|
const context = useContext(ReorderContext);
|
|
const point = {
|
|
x: useDefaultMotionValue(style.x),
|
|
y: useDefaultMotionValue(style.y),
|
|
};
|
|
const zIndex = useTransform([point.x, point.y], ([latestX, latestY]) => latestX || latestY ? 1 : "unset");
|
|
invariant(Boolean(context), "Reorder.Item must be a child of Reorder.Group", "reorder-item-child");
|
|
const { axis, registerItem, updateOrder } = context;
|
|
return (jsx(Component, { drag: axis, ...props, dragSnapToOrigin: true, style: { ...style, x: point.x, y: point.y, zIndex }, layout: layout, onDrag: (event, gesturePoint) => {
|
|
const { velocity } = gesturePoint;
|
|
velocity[axis] &&
|
|
updateOrder(value, point[axis].get(), velocity[axis]);
|
|
onDrag && onDrag(event, gesturePoint);
|
|
}, onLayoutMeasure: (measured) => registerItem(value, measured), ref: externalRef, ignoreStrict: true, children: children }));
|
|
}
|
|
const ReorderItem = /*@__PURE__*/ forwardRef(ReorderItemComponent);
|
|
|
|
export { ReorderItem, ReorderItemComponent };
|