media-chrome/dist/cjs/utils/resize-observer.js

Custom elements (web components) for making audio and video player controls that look great in your website or app.

var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
var resize_observer_exports = {};
__export(resize_observer_exports, {
  observeResize: () => observeResize,
  unobserveResize: () => unobserveResize
});
module.exports = __toCommonJS(resize_observer_exports);
var import_server_safe_globals = require("./server-safe-globals.js");
const callbacksMap = /* @__PURE__ */ new WeakMap();
const getCallbacks = (element) => {
  let callbacks = callbacksMap.get(element);
  if (!callbacks)
    callbacksMap.set(element, callbacks = /* @__PURE__ */ new Set());
  return callbacks;
};
const observer = new import_server_safe_globals.globalThis.ResizeObserver(
  (entries) => {
    for (const entry of entries) {
      for (const callback of getCallbacks(entry.target)) {
        callback(entry);
      }
    }
  }
);
function observeResize(element, callback) {
  getCallbacks(element).add(callback);
  observer.observe(element);
}
function unobserveResize(element, callback) {
  const callbacks = getCallbacks(element);
  callbacks.delete(callback);
  if (!callbacks.size) {
    observer.unobserve(element);
  }
}