react-scroll-to-bottom-updated/lib/esm/hooks/useObserveScrollPosition.js

React container that will auto scroll to bottom

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]));
}
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