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43 lines
2.0 KiB
43 lines
2.0 KiB
function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest(); }
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function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance"); }
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function _iterableToArrayLimit(arr, i) { if (!(Symbol.iterator in Object(arr) || Object.prototype.toString.call(arr) === "[object Arguments]")) { return; } var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
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function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
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import { useRef, useMemo } from 'react';
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import { invariant } from '@react-dnd/invariant';
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import { useMonitorOutput } from './internal/useMonitorOutput';
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import { useIsomorphicLayoutEffect } from './internal/useIsomorphicLayoutEffect';
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import { useDropHandler, useDropTargetMonitor } from './internal/drop';
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/**
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* useDropTarget Hook
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* @param spec The drop target specification
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*/
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export function useDrop(spec) {
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var specRef = useRef(spec);
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specRef.current = spec;
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invariant(spec.accept != null, 'accept must be defined');
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var _useDropTargetMonitor = useDropTargetMonitor(),
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_useDropTargetMonitor2 = _slicedToArray(_useDropTargetMonitor, 2),
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monitor = _useDropTargetMonitor2[0],
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connector = _useDropTargetMonitor2[1];
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useDropHandler(specRef, monitor, connector);
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var result = useMonitorOutput(monitor, specRef.current.collect || function () {
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return {};
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}, function () {
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return connector.reconnect();
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});
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var connectDropTarget = useMemo(function () {
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return connector.hooks.dropTarget();
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}, [connector]);
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useIsomorphicLayoutEffect(function () {
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connector.dropTargetOptions = spec.options || null;
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connector.reconnect();
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}, [spec.options]);
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return [result, connectDropTarget];
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} |