UNPKG

react-scroll-to-bottom-updated

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import _toConsumableArray from "@babel/runtime-corejs3/helpers/toConsumableArray"; import _Array$isArray from "@babel/runtime-corejs3/core-js-stable/array/is-array"; import _concatInstanceProperty from "@babel/runtime-corejs3/core-js-stable/instance/concat"; import { useEffect } from 'react'; import useInternalContext from './internal/useInternalContext'; export default function useObserveScrollPosition(observer) { var _context; var deps = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : []; if (observer && typeof observer !== 'function') { console.error('react-scroll-to-bottom: First argument passed to "useObserveScrollPosition" must be a function.'); } else if (!_Array$isArray(deps)) { console.error('react-scroll-to-bottom: Second argument passed to "useObserveScrollPosition" must be an array if specified.'); } var _useInternalContext = useInternalContext(), observeScrollPosition = _useInternalContext.observeScrollPosition; /* eslint-disable-next-line react-hooks/exhaustive-deps */ useEffect(function () { return observer && observeScrollPosition(observer); }, _concatInstanceProperty(_context = []).call(_context, _toConsumableArray(deps), [!observer, observeScrollPosition])); } //# sourceMappingURL=data:application/json;charset=utf-8;base64,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