@atlaskit/editor-plugin-media-insert/dist/cjs/ui/hooks/use-unholy-autofocus.js

Media Insert plugin for @atlaskit/editor-core

"use strict";

var _typeof = require("@babel/runtime/helpers/typeof");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.useUnholyAutofocus = void 0;
var _react = _interopRequireWildcard(require("react"));
function _interopRequireWildcard(e, t) { if ("function" == typeof WeakMap) var r = new WeakMap(), n = new WeakMap(); return (_interopRequireWildcard = function _interopRequireWildcard(e, t) { if (!t && e && e.__esModule) return e; var o, i, f = { __proto__: null, default: e }; if (null === e || "object" != _typeof(e) && "function" != typeof e) return f; if (o = t ? n : r) { if (o.has(e)) return o.get(e); o.set(e, f); } for (var _t in e) "default" !== _t && {}.hasOwnProperty.call(e, _t) && ((i = (o = Object.defineProperty) && Object.getOwnPropertyDescriptor(e, _t)) && (i.get || i.set) ? o(f, _t, i) : f[_t] = e[_t]); return f; })(e, t); }
/**
 * Autofocuses the first interactive element in the first tab panel
 * when the media picker is opened.
 *
 * This is to mitigate the issue where the PopupWithListeners component
 * renders initially at the top of the editor and then repositioned.
 *
 * We want to autofocus after the repositioning to ensure we don't scroll
 * to the top of the editor when the media picker is opened.
 */
var useUnholyAutofocus = exports.useUnholyAutofocus = function useUnholyAutofocus() {
  var autofocusRef = _react.default.useRef(null);
  var positionRef = _react.default.useRef(null);
  var onPositionCalculated = _react.default.useCallback(function (position) {
    if (positionRef.current === null) {
      // Initial position is _always incorrect, so the first time this is set
      // we're going to ignore it.
      positionRef.current = position;
    } else if (positionRef.current !== position) {
      var _autofocusRef$current;
      // If it isn't the first position and it has changed, we're likely in
      // the actual position we want. We'll call focus and update the position.
      (_autofocusRef$current = autofocusRef.current) === null || _autofocusRef$current === void 0 || _autofocusRef$current.focus();
      positionRef.current = position;
    }

    // Important to return this as the popup uses the returned position
    return position;
  }, [autofocusRef]);

  /**
   * If we don't clear the ref, then reopening the media picker will
   * not correctly focus the button.
   *
   * WARNING: If the component re-renders the ref will be cleared and
   * the button will be focused again.
   *
   * This is a trade-off, we prefer that the button is correctly focused
   * if the media picker is re-opened, rather than re-focusing the button
   * if the component re-renders/ the browser window is resized.
   *
   * This is a temporary solution until we can find a better way to do it.
   */
  (0, _react.useEffect)(function () {
    return function () {
      positionRef.current = null;
    };
  });
  return {
    autofocusRef: autofocusRef,
    onPositionCalculated: onPositionCalculated
  };
};