@renderlesskit/react/dist/cjs/dialog/helpers/useFocusOnBlur.js

Collection of headless components/hooks that are accessible, composable, customizable from low level to build your own UI & Design System powered by Reakit

"use strict";

function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.useFocusOnBlur = useFocusOnBlur;

var React = _interopRequireWildcard(require("react"));

var _reakitUtils = require("reakit-utils");

var _reakitWarning = require("reakit-warning");

var _hooks = require("@chakra-ui/hooks");

function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }

function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || _typeof(obj) !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }

function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }

function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }

function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }

function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }

function _iterableToArrayLimit(arr, i) { var _i = arr == null ? null : typeof Symbol !== "undefined" && arr[Symbol.iterator] || arr["@@iterator"]; if (_i == null) return; var _arr = []; var _n = true; var _d = false; var _s, _e; try { for (_i = _i.call(arr); !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }

function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }

function isActualElement(element) {
  return element && element.tagName && element.tagName !== "HTML" && element !== (0, _reakitUtils.getDocument)(element).body;
}

function useFocusOnBlur(dialogRef, options) {
  var _React$useReducer = React.useReducer(function (n) {
    return n + 1;
  }, 0),
      _React$useReducer2 = _slicedToArray(_React$useReducer, 2),
      blurred = _React$useReducer2[0],
      scheduleFocus = _React$useReducer2[1];

  (0, _hooks.useSafeLayoutEffect)(function () {
    var dialog = dialogRef.current;
    if (!options.visible) return;
    if (!blurred) return; // After blur, if the active element isn't an actual element, this probably
    // means that element.blur() was called on an element inside the dialog.
    // In this case, the browser will automatically focus the body element.
    // So we move focus back to the dialog.

    if (!isActualElement((0, _reakitUtils.getActiveElement)(dialog))) {
      (0, _reakitWarning.warning)(!dialog, "Can't focus dialog after a nested element got blurred because `ref` wasn't passed to the component");
      dialog === null || dialog === void 0 ? void 0 : dialog.focus();
    }
  }, [blurred, dialogRef]);
  var onBlur = React.useCallback(function (event) {
    if (!options.visible) return;
    var nextActiveElement = (0, _reakitUtils.getNextActiveElementOnBlur)(event);

    if (!isActualElement(nextActiveElement)) {
      scheduleFocus();
    }
  }, [options.visible]);
  return onBlur;
}
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