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34 lines
1.2 KiB
34 lines
1.2 KiB
const _excluded = ["renderComponent", "onPositionChange"];
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function _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; }
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import useCallbackRef from '@restart/hooks/useCallbackRef';
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import * as React from 'react';
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import useWaypoint, { Position } from './useWaypoint';
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import { jsx as _jsx } from "react/jsx-runtime";
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export { Position };
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const defaultRenderComponent = ref => /*#__PURE__*/_jsx("span", {
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ref: ref,
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style: {
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fontSize: 0
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}
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});
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/**
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* A component that tracks when it enters or leaves the viewport. Implemented
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* using IntersectionObserver, polyfill may be required for older browsers.
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*/
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function Waypoint(_ref) {
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let {
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renderComponent = defaultRenderComponent,
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onPositionChange
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} = _ref,
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options = _objectWithoutPropertiesLoose(_ref, _excluded);
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const [element, setElement] = useCallbackRef();
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useWaypoint(element, onPositionChange, options);
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return renderComponent(setElement);
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}
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export default Waypoint; |