@enact/sandstone/useScroll/useSpotlight.js

Large-screen/TV support library for Enact, containing a variety of UI components.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.useSpotlightRestore = void 0;
var _react = require("react");
var _SharedStateDecorator = require("../internal/SharedStateDecorator/SharedStateDecorator");
var useSpotlightRestore = exports.useSpotlightRestore = function useSpotlightRestore(props, instances) {
  var scrollContainerHandle = instances.scrollContainerHandle;
  var context = (0, _react.useContext)(_SharedStateDecorator.SharedState);

  // Hooks

  (0, _react.useEffect)(function () {
    // Only intended to be used within componentDidMount, this method will fetch the last stored
    // scroll position from SharedState and scroll (without animation) to that position
    function restoreScrollPosition() {
      var id = props.id;
      if (id && context && context.get) {
        var scrollPosition = context.get("".concat(id, ".scrollPosition"));
        if (scrollPosition) {
          scrollContainerHandle.current.scrollTo({
            position: scrollPosition,
            animate: false
          });
        }
      }
    }
    restoreScrollPosition();
  }, []); // eslint-disable-line react-hooks/exhaustive-deps
};