@enact/i18n/I18nDecorator/windowFocus.js

Internationalization support for Enact using iLib

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.onWindowFocus = void 0;
var _dispatcher = require("@enact/core/dispatcher");
var _snapshot = require("@enact/core/snapshot");
var focused = false;
var queue = new Set();
var invoke = function invoke(fn) {
  try {
    fn();
  } catch (e) {
    // failing silently
  }
};
var flush = function flush() {
  return queue.forEach(invoke);
};
var onWindowFocus = exports.onWindowFocus = function onWindowFocus(handler) {
  if (focused) {
    handler();
  } else {
    queue.add(handler);
  }
};
(0, _snapshot.onWindowReady)(function () {
  focused = true; // Treat window as initially focused once ready
  flush();
  (0, _dispatcher.on)('focus', function () {
    focused = true;
    flush();
  }, window);
  (0, _dispatcher.on)('blur', function () {
    focused = false;
  }, window);
});