@drieam/common/es/utils/dom/resizeObserver.js

Default Drieam api wrapper

function _createForOfIteratorHelper(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = o[Symbol.iterator](); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it.return != null) it.return(); } finally { if (didErr) throw err; } } }; }

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; }

import ResizeObserver from "resize-observer-polyfill";
import { postLtiFrameResize } from "./broadcaster";
var iframeResizeObserver = new ResizeObserver(function (entries) {
  // eslint-disable-next-line no-restricted-syntax
  var _iterator = _createForOfIteratorHelper(entries),
      _step;

  try {
    for (_iterator.s(); !(_step = _iterator.n()).done;) {
      var entry = _step.value;
      var height = entry.contentRect.height;
      postLtiFrameResize(height);
    }
  } catch (err) {
    _iterator.e(err);
  } finally {
    _iterator.f();
  }
});

function observeIframeResize() {
  var selector = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : "[data-react-class]";
  document.querySelectorAll(selector).forEach(function (element) {
    return iframeResizeObserver.observe(element);
  });
}

export { iframeResizeObserver, observeIframeResize };