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Waypoint.js
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Wed, Feb 19, 01:18

Waypoint.js

const _excluded = ["renderComponent", "onPositionChange"];
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; }
import useCallbackRef from '@restart/hooks/useCallbackRef';
import * as React from 'react';
import useWaypoint, { Position } from './useWaypoint';
import { jsx as _jsx } from "react/jsx-runtime";
export { Position };
const defaultRenderComponent = ref => /*#__PURE__*/_jsx("span", {
ref: ref,
style: {
fontSize: 0
}
});
/**
* A component that tracks when it enters or leaves the viewport. Implemented
* using IntersectionObserver, polyfill may be required for older browsers.
*/
function Waypoint(_ref) {
let {
renderComponent = defaultRenderComponent,
onPositionChange
} = _ref,
options = _objectWithoutPropertiesLoose(_ref, _excluded);
const [element, setElement] = useCallbackRef();
useWaypoint(element, onPositionChange, options);
return renderComponent(setElement);
}
export default Waypoint;

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