element-nice-ui/lib/utils/resize-event.js

A Component Library for Vue.js.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.removeResizeListener = exports.addResizeListener = void 0;
var _resizeObserverPolyfill = _interopRequireDefault(require("resize-observer-polyfill"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
const isServer = typeof window === 'undefined';

/* istanbul ignore next */
const resizeHandler = function resizeHandler(entries) {
  for (let entry of entries) {
    const listeners = entry.target.__resizeListeners__ || [];
    listeners.forEach(fn => fn());
  }
};
const addResizeListener = exports.addResizeListener = function addResizeListener(element, fn) {
  if (isServer) return;
  if (!element.__resizeListeners__) {
    element.__resizeListeners__ = [];
    element.__ro__ = new _resizeObserverPolyfill.default(resizeHandler);
    element.__ro__.observe(element);
  }
  element.__resizeListeners__.push(fn);
};
const removeResizeListener = exports.removeResizeListener = function removeResizeListener(element, fn) {
  if (!element || !element.__resizeListeners__) return;
  element.__resizeListeners__.splice(element.__resizeListeners__.indexOf(fn), 1);
  if (!element.__resizeListeners__.length) {
    element.__ro__.disconnect();
  }
};