@ovh-ux/ng-translate-async-loader/dist/umd/ng-translate-async-loader.js

Angular translate asynchronous loader

(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('angular')) :
  typeof define === 'function' && define.amd ? define(['angular'], factory) :
  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global["ng-translate-async-loader"] = factory(global.angular));
})(this, (function (angular) { 'use strict';

  function ___$insertStyle(css) {
      if (!css || typeof window === 'undefined') {
          return;
      }
      const style = document.createElement('style');
      style.setAttribute('type', 'text/css');
      style.innerHTML = css;
      document.head.appendChild(style);
      return css;
  }

  // Inspired by angular-translate-partial-loader (see sources)
  var factory = ["$q", function ($q) {
    /**
     * The tricky part of this loader is that we need to check
     * if an import (addTranslations) has been called during all
     * the pending imports. If it's the case we cannot return
     * translations yet and we need to loop again in order to
     * wait for all the imports to be finised.
     */

    // loaded translations
    var translations = {};

    // list of pending translation import
    var pending = [];

    // true when a new translation import occurs
    var changed = false;
    var loader = function loader() {
      // when the function is first called, we have no changes
      changed = false;

      // when all pending import are resolved
      return $q.all(pending).then(function () {
        // if an import has been added during pending changes we need to loop
        if (changed) {
          return loader();
          // otherwise it's fine we just return translations
        }
        return translations;
      });
    };
    loader.addTranslations = function addTranslations(translationPromise) {
      // a new import occurs, we keep trace of the change
      changed = true;

      // push the pending import
      pending.push(translationPromise.then(function (tr) {
        Object.assign(translations, tr);
      }));
    };
    return loader;
  }];

  var moduleName = 'ngTranslateAsyncLoader';
  angular.module(moduleName, []).factory('asyncLoader', factory);

  return moduleName;

}));
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