@boomerang-io/utils/lib/hooks/useIsModalOpen/useIsModalOpen.js

A library of reusable utilities and hooks for React webapps on the Boomerang platform.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _react = require("react");

var _useMutationObserver = _interopRequireDefault(require("../useMutationObserver"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

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; }

var htmlElem = document.getElementsByTagName("html")[0];
var HTML_MODAL_CLASS = "bx--bmrg-html-modal-is-open";

function useIsModalOpen() {
  var _useState = (0, _react.useState)(false),
      _useState2 = _slicedToArray(_useState, 2),
      isModalOpen = _useState2[0],
      setIsModalOpen = _useState2[1];

  var htmlRef = (0, _react.useRef)(htmlElem);
  (0, _useMutationObserver.default)(htmlRef, function (mutationRecords) {
    var record = mutationRecords.find(function (record) {
      return record.type === "attributes";
    });

    if ((record === null || record === void 0 ? void 0 : record.target.className) === HTML_MODAL_CLASS) {
      setIsModalOpen(true);
    } else {
      setIsModalOpen(false);
    }
  }, {
    attributes: true,
    characterData: false,
    subtree: false,
    childList: false
  });
  return isModalOpen;
}

var _default = useIsModalOpen;
exports.default = _default;